Gem3F Libby (Lands) vs Haiku Coach (Mystic Forge Combo)

17 major, 17 moderate, 19 minor, 3 questionable blunders

Season 0

/ 145

Stack

Game Log

LLM Game Chat Blunders

chatGem3F Libby: Your Urza's Tower is like a library with too many sequels—efficient, but perhaps a bit repetitive for my taste. Let's see how this Karn, the Great Creator fits into the archives.

chatGem3F Libby: "He who has the fastest boots wins the race." — Gnomish proverb. Let us see if these Lavaspur Boots find a worthy wearer in our archive.

llmHaiku Coach game_start

thinkingHaiku Coach

I'll call pass_priority to start the game and wait for the first decision point.

llmGem3F Libby game_start

Haiku Coachllm

pass_priority()

{
  "actions_passed": 0,
  "action_type": "GAME_TARGET",
  "action_pending": true
}

thinkingHaiku Coach

There's an action pending. Let me get the available choices to see what's happening.

thinkingHaiku Coach

Perfect! We're in a 1v1 game against Gem3F Libby. I need to select the starting player. Let me choose myself to play first — this is often advantageous in competitive Magic.

mcpHaiku Coach (you)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Great! I've chosen to play first. Now let me continue and get the game state to see my opening hand.

llm

pass_priority()

{
  "actions_passed": 0,
  "action_type": "GAME_ASK",
  "action_pending": true
}

thinkingHaiku Coach

There's another action pending. Let me check what decision I need to make.

thinkingHaiku Coach

Excellent! Let me analyze my opening hand: **Hand Analysis:** - **Ancient Tomb** - fast mana land - **Urza's Saga** - excellent utility land with Construct tokens - **Urza's Tower** - part of the Urza's lands (will be good with Voltaic Key) - **Grim Monolith** - fast mana generator (2 mana) - **Kozilek's Command** - premium removal/utility spell - **Voltaic Key** - untaps artifacts, synergizes with Grim Monolith and Urza lands - **Glaring Fleshraker** - 2/2 creature for 3 mana This is a solid opening hand with: - 3 lands (reasonable mana base) - Acceleration (Grim Monolith) - Utility and removal (Kozilek's Command) - Good synergies (Voltaic Key with artifact lands and Grim Monolith) This hand has good early plays and mana acceleration. **I'll keep this hand** — it offers interaction, ramp, and a solid game plan.

mcpKeep hand

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "no"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "action_type": "GAME_ASK",
  "action_pending": true
}

thinkingHaiku Coach

Perfect! The game has begun. Let me pass priority and start my first turn.

Gem3F Libbyllm

get_game_state()

{
  "priority_player": "",
  "cursor": 1,
  "stack": [],
  "active_player": "",
  "players": [
    {
      "hand_size": 7,
      "is_active": false,
      "is_you": false,
      "name": "Haiku Coach",
      "library_size": 53,
      "life": 20
    },
    {
      "hand_size": 7,
      "is_active": false,
      "is_you": true,
      "name": "Gem3F Libby",
      "library_size": 54,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Wasteland",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "turn": 1
}

Gem3F LibbymcpKeep hand

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "no"
}

Haiku Coachllm

pass_priority()

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I have playable cards available. Let me see what actions are available to me this turn.

thinkingHaiku Coach

Good! I'm in my precombat main phase on Turn 1. I can see three lands I can play. I'll play **Urza's Tower** first since it's a key piece of the Urza's lands mana system and will work well with Voltaic Key later.

mcpUrza's Tower [Land]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Great! I've played Urza's Tower. Now let me check what actions are available next.

thinkingHaiku Coach

Interesting! After playing Urza's Tower, I have 1 untapped land and my playable cards have changed. Now I can cast **Voltaic Key** (1 mana). This is a strong early play because: 1. It's a key piece for mana acceleration with Grim Monolith 2. It synergizes with Urza's Tower (which I just played) 3. It's efficient casting for Turn 1 Let me cast Voltaic Key.

mcpVoltaic Key {1} [Cast]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Excellent! I've cast Voltaic Key. Let me check what's available next.

thinkingHaiku Coach

This response shows I'm done playing spells for the main phase. I can only play instants and activated abilities now. Since I don't have any immediate activated abilities to use, I should pass my main phase to move into combat and postcombat main (or pass the turn). Let me pass.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingHaiku Coach

Good! Let me continue and see what phase comes next.

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 4,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

(End of turn 2)

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 2,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 5,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 53,
      "life": 20
    },
    {
      "hand_size": 8,
      "is_active": true,
      "is_you": true,
      "name": "Gem3F Libby",
      "library_size": 53,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Wasteland",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 1
}

Gem3F Libbyllm

get_my_decklist()

{
  "cards": "1x Ancient Tomb\n1x Bojuka Bog\n3x Boseiju, Who Endures\n4x Crop Rotation\n4x Dark Depths\n3x Disruptor Flute\n1x Expedition Map\n4x Exploration\n1x Forest\n1x Ghost Quarter\n1x Grafdigger's Cage\n1x Karakas\n1x Lavaspur Boots\n4x Life from the Loam\n4x Malevolent Rumble\n1x Maze of Ith\n4x Mox Diamond\n3x Once Upon a Time\n1x Pithing Needle\n1x Sejiri Steppe\n1x The Tabernacle at Pendrell Vale\n4x Thespian's Stage\n4x Urza's Saga\n4x Wasteland\n4x Yavimaya, Cradle of Growth",
  "sideboard": "1x Disruptor Flute\n1x Pithing Needle\n2x Damping Sphere\n2x Dismember\n2x Endurance\n2x Faerie Macabre\n3x Force of Vigor\n1x Otawara, Soaring City\n1x Twinshot Sniper"
}

Gem3F Libbymcpsend_chat_message

raw

send_chat_message(message="A gem of purest light, born from the ve...)

{
  "success": true
}

mcpMox Diamond {0} [Cast]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 3,
  "stack": [
    {
      "name": "Mox Diamond",
      "rules": [
        "If {this} would enter, you may discard a land card instead. If you do, put {this} onto the battlefield. If you don't, put it into its owner's graveyard.",
        "{T}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 5,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 53,
      "life": 20
    },
    {
      "hand_size": 7,
      "is_active": true,
      "is_you": true,
      "name": "Gem3F Libby",
      "library_size": 53,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Wasteland",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 1
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbymcptrue

raw

choose_action(answer=true)

{
  "success": true,
  "action_taken": "yes"
}

Gem3F LibbymcpYavimaya, Cradle of Growth

raw

choose_action(index=5)

{
  "success": true,
  "action_taken": "selected_target_5"
}

Gem3F LibbymcpUrza's Saga [Land]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority()

{
  "actions_passed": 8,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "recent_chat": [
    "Gem3F Libby: &quot;A gem of purest light, born from the very soil of the archives.&quot; Welcome to my collection."
  ],
  "action_pending": true
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Interesting! My opponent has played their first turn and sent a chat message welcoming me to their collection. Now I have playable cards in what should be my Turn 2. Let me get the action choices.

thinkingHaiku Coach

Wait, the context still says "T1 Precombat Main" — it seems I'm still on Turn 1. Let me check the full game state to understand what's happening.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 1,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 6,
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 52,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{2}",
          "name": "Grim Monolith"
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "mana_value": 0,
          "name": "Urza's Workshop",
          "is_land": true,
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 53,
      "life": 20
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 1
}

thinkingHaiku Coach

Perfect! Now I see the full picture: **My board state:** - Urza's Tower (untapped) - Voltaic Key (untapped) **My hand:** - Ancient Tomb (playable land) - Urza's Saga (playable land) - Grim Monolith (2 mana cost) - Kozilek's Command (2-mana variable cost) - Glaring Fleshraker (3 mana cost) - Urza's Workshop (playable land) **Opponent's board:** - Mox Diamond (untapped) - Urza's Saga with 1 lore counter (tapped) **Opponent's graveyard:** - Yavimaya, Cradle of Growth (they played it and discarded it for Mox Diamond likely) I'm still in my first main phase of Turn 1, with the ability to activate Voltaic Key or play lands. This is a tempo-focused situation. Let me think about the best play: 1. I could activate Voltaic Key to untap Urza's Tower, giving me more mana 2. I should play more lands to set up for Grim Monolith Let me activate Voltaic Key first to untap Urza's Tower and maximize my mana.

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Good! Now I need to select what to untap with Voltaic Key. Let me get the action choices.

thinkingHaiku Coach

Interesting! The Voltaic Key activation is looking for an artifact to untap. The choices are: 1. Mox Diamond (opponent's) 2. Voltaic Key (mine) I can only untap artifacts, not lands! This is important. Let me cancel this activation since Urza's Tower is not an artifact. I'll play lands instead.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "cancelled"
}

thinkingHaiku Coach

Good, I've cancelled that. Now let me get back to my main options and play lands instead.

thinkingHaiku Coach

Perfect. I have 1 untapped land and land_drops_used=0, so I can play one land. I'll play **Urza's Workshop** since it's a key land in the Urza's lands theme and provides good utility.

mcpUrza's Workshop [Land]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Good! Let me check what actions are available now.

thinkingHaiku Coach

Excellent! Now I have 2 untapped lands and can cast spells! My options are: 1. **Grim Monolith** (2 mana) - fast mana generator 2. **Kozilek's Command** (X + {C}{C}) - likely needs at least 2 colorless mana 3. **Voltaic Key** - activate again I should play **Grim Monolith** now! It's a key acceleration piece that will tap for 3 mana, and I can later untap it with Voltaic Key for more mana generation.

mcpGrim Monolith {2} [Cast]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Great! Grim Monolith has been cast. Let me see what options are available now.

thinkingHaiku Coach

I'm now done with main phase spellcasting. The game is asking about instants and activated abilities. I don't have anything critical to do, so I'll pass my main phase.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingHaiku Coach

Good! I've passed my main phase. Let me continue to the next phase (likely combat or end step).

llm

pass_priority()

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 1,
  "timeout": true,
  "action_pending": false
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

I have playable cards. Let me see what phase I'm in and what actions are available.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 9,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 52,
      "life": 20
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 53,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Wasteland",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 2
}

thinkingHaiku Coach

Interesting! I'm back in Precombat Main phase (still Turn 1, but now I have more mana available). Let me check the current game state to understand my mana situation better.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 4,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 52,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command",
          "playable": true
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 53,
      "life": 20
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 1
}

thinkingHaiku Coach

Perfect! Now I see: - My hand now has 4 cards (Grim Monolith was played) - My battlefield: Urza's Tower (tapped), Voltaic Key, Urza's Workshop (tapped), Grim Monolith (untapped) - Available mana: The tapped lands just provided mana. Grim Monolith is untapped and provides 3 mana Current available spells: - **Kozilek's Command** (X + {C}{C}) - playable - **Voltaic Key** - activate again - **Glaring Fleshraker** (2 mana) - 2/2 creature, playable I should play **Glaring Fleshraker** now! It's an efficient creature and gives me early board presence. Then I can hold up mana for interaction.

mcpGlaring Fleshraker {2}{C} 2/2 [Creature]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

thinkingHaiku Coach

Great! Glaring Fleshraker has been cast. Let me check what's available now.

thinkingHaiku Coach

I'm back to the "instants and activated abilities" question. I could activate Voltaic Key to untap Grim Monolith for more mana, but I don't have a pressing need right now. Let me pass priority and move to the next phase.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingHaiku Coach

Let me continue the game flow.

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 5,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_oracle_text(card_name=Urza's Workshop)

{
  "success": true,
  "name": "Urza's Workshop",
  "rules": [
    "{T}: Add {C}.",
    "<i>Metalcraft</i> &mdash; {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts."
  ]
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 10,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 52,
      "life": 20
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Wasteland",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true,
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 2
}

thinkingGem3F Libby

The archive grows, and with it, the potential for great works. My opponent’s

Gem3F LibbymcpWasteland [Land]

raw

choose_action(index=5)

{
  "success": true,
  "action_taken": "selected_5"
}

Gem3F LibbymcpWasteland — {T}, Sacrifice {this}: Destroy target nonbasic la... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 12,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 52,
      "life": 20
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "mana_pool": {
        "C": 1
      },
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 2
}

Gem3F Libbyllm

get_oracle_text(card_name=Glaring Fleshraker)

{
  "success": true,
  "name": "Glaring Fleshraker",
  "rules": [
    "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
    "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
  ]
}

thinkingGem3F Libby

The archive grows, and with it, the potential for great works. My opponent’s Ur

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority()

{
  "actions_passed": 6,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

The pass_priority timed out, which means we've moved through several phases. It's likely now my opponent's turn or we've reached a waiting state. Let me get the current game state and action choices to see where we are.

llm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 6,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 52,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "life": 20
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 2
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Perfect! Now I see we're on **Turn 2, Postcombat Main** — and it's my opponent's turn. Let me analyze the board state: **My board (Haiku Coach):** - Urza's Tower (tapped) - Voltaic Key (untapped) - Urza's Workshop (tapped) - Grim Monolith (tapped) - Glaring Fleshraker (untapped, summoning sickness) - 2/2 **My hand (3 cards):** - Ancient Tomb - Urza's Saga - Kozilek's Command **Opponent's board (Gem3F Libby):** - Mox Diamond - Urza's Saga with 2 lore counters (close to ultimate!) - Wasteland (tapped) **Opponent's hand:** 5 cards My opponent has made plays during their turn. The Wasteland is new — they likely played it. Their Urza's Saga is at 2 lore counters, which is concerning as the ultimate will be powerful. Since it's my opponent's turn and I'm in their Postcombat Main, they have priority. Let me pass and see what happens.

llm

pass_priority()

{
  "actions_passed": 1,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Wait — I have playable cards and it's my turn now? Let me check the action choices.

thinkingHaiku Coach

Excellent! It's now **Turn 2, Precombat Main** — my turn! I have: - 2 untapped lands available (Voltaic Key and Grim Monolith from artifacts) - land_drops_used=0 (can play a land) **Available plays:** 1. Play Ancient Tomb 2. Play Urza's Tower 3. Play Urza's Saga 4. Cast Kozilek's Command (X + {C}{C}) 5. Activate Voltaic Key **Strategy:** - I should NOT play lands yet (I may need mana for Kozilek's Command) - I need to assess: Do I want to cast Kozilek's Command now, or hold up interaction? Wait — I only have 2 untapped lands/mana sources. Kozilek's Command costs X + {C}{C}. With X=0, that's just {C}{C} = 2 colorless. That's perfect! I can cast it with my current mana. But what should I do with it? Let me think about the board: - Opponent has Wasteland and Urza's Saga with 2 counters - Kozilek's Command typically has options like destroying creatures, forcing discards, or exiling cards Let me cast **Kozilek's Command** (with X=0) to interact with the board. But first, I need to see what the oracle text says.

llm

get_oracle_text(card_name=Kozilek's Command)

{
  "success": true,
  "name": "Kozilek's Command",
  "rules": [
    "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>"
  ]
}

thinkingHaiku Coach

Interesting! Kozilek's Command is a choice-based spell where I pick 2 options and X is the variable. With X=0: - Create 0 Eldrazi Spawn tokens (useless) - Target player scries 0 (doesn't help) - Exile a creature with 0 mana value (nothing on board qualifies) - Exile 0 target cards from graveyards (useless) **X=0 is basically a do-nothing!** I shouldn't cast it now. I should play it when X is meaningful, like later when I can cast it with X=2 or higher to exile creatures. Let me instead play **Urza's Saga** to start building my own artifact chain. This will help me defend and generate value.

mcpUrza's Saga [Land]

raw

choose_action(index=4)

{
  "success": true,
  "action_taken": "selected_4"
}

thinkingHaiku Coach

Good! I've played Urza's Saga. Let me check what's available now.

thinkingHaiku Coach

Good! Now I have 3 untapped lands (which means I now have access to more mana sources since Urza's Saga entered). I still can't meaningfully cast Kozilek's Command with X=0. However, I could activate **Voltaic Key** to untap Grim Monolith again! This would give me: - {1} to activate Voltaic Key - Then Grim Monolith untaps and gives me 3 more mana - Total: 2 more mana (net) But wait — I also have Urza's Saga on the field now with 1 lore counter. On my next turn, it will have 2, and then I can get the ability to tutor artifacts. Let me think strategically: - I want to activate Voltaic Key to untap Grim Monolith - This generates mana for tempo Let me do it!

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Now I need to choose what to untap. Let me get the action choices.

thinkingHaiku Coach

Perfect! I can untap: 1. Grim Monolith (mine, tapped) - **YES! This is what I want** 2. Mox Diamond (opponent's) 3. Voltaic Key (mine, untapped - pointless) Let me untap Grim Monolith!

mcpGrim Monolith [tapped] (yours)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Excellent! Grim Monolith is now untapped. Let me check what's available now.

thinkingHaiku Coach

I'm back to the "instants and activated abilities" phase, but I don't see any more cards listed. I should pass my main phase now and move to combat (though I likely won't attack).

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Good. Let me continue to the next phase.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 16,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "I - Urza's Saga gains \"{T}: Add {C}.\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=5000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

I have playable cards. Let me see what phase I'm in and what actions are available.

thinkingHaiku Coach

Interesting! I'm back in Precombat Main phase and I can activate Grim Monolith again (for 4 mana) to untap it! This would give me more mana generation. Current situation: - 2 untapped lands/mana sources - Grim Monolith can be activated for {4} to untap If I activate Grim Monolith: - Cost: 4 mana - Benefit: Tap it for 3 more mana - Net: -1 mana, but I tap it out This doesn't make sense right now. Let me just pass and move to combat/end step.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me continue.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 18,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "I - Urza's Saga gains \"{T}: Add {C}.\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Still have playable cards. Let me check the action choices.

thinkingHaiku Coach

I'm stuck in a loop showing the same options. It seems the game is waiting for me to make a decision in my main phase. Let me just pass priority to move forward.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me check the full game state to understand where we are.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 13,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "life": 20
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 2
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 20,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Interesting! I see **priority_player is "Gem3F Libby"** but I'm the active_player. This is weird — it means my opponent has priority in my precombat main phase. They must have cast an instant or responded. Let me pass priority and see what they do.

llm

pass_priority(timeout_ms=10000)

{
  "combat_phase": "attackers",
  "actions_passed": 0,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Great! Now I'm in the **declare attackers** phase! My opponent has priority to attack. Let me check the action choices to see what's happening.

thinkingHaiku Coach

Wait — this is MY declare attackers phase! I'm being asked to declare my attackers. My Glaring Fleshraker has summoning sickness no longer (it was summoning sick last turn but I played it Turn 1, so on Turn 2 it should be able to attack). Actually, looking back at the game state, my Glaring Fleshraker no longer has "summoning_sickness": true in the last state check. So it CAN attack! **Should I attack?** - My Glaring Fleshraker is a 2/2 body - Opponent is at 20 life - No blocks are visible I should attack! It's early game and chip damage matters. Let me declare it as an attacker.

mcpGlaring Fleshraker 2/2 [Attack]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Good! I've selected Glaring Fleshraker as an attacker. Let me confirm my attack declaration.

thinkingHaiku Coach

Perfect! I'm asked to confirm my attacker selection. Let me confirm.

mcptrue

raw

choose_action(answer=true)

{
  "success": true,
  "action_taken": "confirmed"
}

thinkingHaiku Coach

Great! My attack is declared. Now my opponent will declare blockers. Let me pass priority.

llm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I have playable cards. Let me check what's available.

thinkingHaiku Coach

I'm in combat and can play instants/abilities. I don't need to do anything here, so let me pass.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me continue and see if my opponent blocks or lets the damage through.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Combat",
  "priority_player": "Gem3F Libby",
  "cursor": 22,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Declare Attackers",
  "combat": [
    {
      "blocked": false,
      "defending": "Gem3F Libby",
      "attackers": [
        {
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    }
  ],
  "turn": 3
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Let me check the action choices.

thinkingHaiku Coach

I'm now in the declare blockers phase for my opponent. They haven't blocked, which means my 2/2 will deal 2 damage. Let me pass priority.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me continue.

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Still have playable cards. Let me check.

thinkingHaiku Coach

Excellent! Opponent is now at **18hp** (was 20, took 2 damage from my Glaring Fleshraker)! Combat damage is resolving. I don't need to do anything here.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me continue to my opponent's turn or back to my main phase.

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Let me check the current game state to see where we are.

llm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 19,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command",
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 52,
      "life": 18
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 2
}

thinkingHaiku Coach

Perfect! I'm back in my **Postcombat Main** phase! Now I can potentially play more cards. Let me check the action choices.

thinkingHaiku Coach

I'm in Postcombat Main and I have: - 2 untapped lands (plus 1 mana floating probably?) - I can activate Grim Monolith (costs {4}) or cast Kozilek's Command with X=0 I cannot afford either spell right now. Let me just pass to end my turn.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Good! My turn should be ending. Let me pass priority to move to my opponent's turn.

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 29,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

The timeout occurred, which means my opponent is taking time with their turn or the game is moving automatically. Let me continue watching their turn.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 20,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "life": 18
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

thinkingHaiku Coach

Good! I can see: - It's now **Turn 3**, my opponent's Precombat Main - My opponent's **Urza's Saga has lore counter 3** (it's about to trigger!) - There's an **Ability on the stack** - this is the Urza's Saga ability resolving which searches for an artifact card with mana cost {0} or {1} My opponent's turn is progressing. I'm just a spectator right now. Let me continue watching.

Gem3F Libbyllm

get_oracle_text(card_name=Urza's Saga)

{
  "success": true,
  "name": "Urza's Saga",
  "rules": [
    "<i>(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)</i> ",
    "I - {this} gains \"{T}: Add {C}.\"",
    "II - {this} gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\"",
    "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
  ]
}

Gem3F LibbymcpUrza's Saga — {2}, {T}: Create a 0/0 colorless Construct artifa... [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 30,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "mana_pool": {
        "C": 1
      },
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F Libbyllm

get_oracle_text(card_name=Mox Diamond)

{
  "success": true,
  "name": "Mox Diamond",
  "rules": [
    "If {this} would enter, you may discard a land card instead. If you do, put {this} onto the battlefield. If you don't, put it into its owner's graveyard.",
    "{T}: Add one mana of any color."
  ]
}

Gem3F LibbymcpWasteland — {T}, Sacrifice {this}: Destroy target nonbasic la... [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

Let me check the game state again.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 21,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "mana_pool": {
        "C": 2
      },
      "life": 18
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

thinkingHaiku Coach

The ability is still on the stack. My opponent has 2 colorless mana available. Let me continue waiting.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 31,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "mana_pool": {
        "C": 2
      },
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

Let me get the game state again to see what has changed.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 21,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "mana_pool": {
        "C": 2
      },
      "life": 18
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

thinkingHaiku Coach

Same state. It seems the game is waiting for my opponent to resolve their Urza's Saga trigger. The ability is searching for a card. Let me check if there are any pending actions I need to respond to.

llm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

No action pending for me. The game is waiting on my opponent. Let me continue with pass_priority.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 31,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "mana_pool": {
        "C": 2
      },
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

Still waiting. Let me check game state once more.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 21,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "mana_pool": {
        "C": 2
      },
      "life": 18
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

thinkingHaiku Coach

The game appears to be stuck waiting for my opponent to complete their search with Urza's Saga. This is likely a server/client issue or the opponent is AFK. Let me try the default action to push the game forward.

llm

default_action()

{
  "success": false,
  "error": "No pending action"
}

thinkingHaiku Coach

The game doesn't have a pending action for me, so I can't use default_action. The opponent seems to be stuck or is taking a very long time. Let me try getting the game log to see if there's any new information.

llm

get_game_log(max_chars=500)

{
  "cursor": 7111,
  "log": " from <font color='#B0C4DE' object_id='479e3194-31de-46b8-a5b8-c8fbf2b98a79'>Glaring Fleshraker</font> [479]\nTURN 2 for <font color='#20B2AA'>Gem3F Libby</font> (20 - 18)\n<font color='#20B2AA'>Gem3F Libby</font> draws a card\n<font color='#20B2AA'>Gem3F Libby</font> - Ability triggers: <font color='#B0C4DE' object_id='59c0b5fe-b4bf-4581-b24f-4ac632433e92'>Urza's Saga</font> [59c] - III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.",
  "truncated": true,
  "total_length": 7111
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingHaiku Coach

I can see my Glaring Fleshraker dealt 2 damage and now it's Turn 2 for Gem3F Libby. The Urza's Saga ability has triggered. My opponent is waiting to resolve it. Let me continue passing priority to wait for them to act.

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Great! Now I have playable cards. Let me see what options are available.

thinkingHaiku Coach

I'm in my opponent's Precombat Main (Turn 3) and I can cast instants or activate abilities in response to something. However, I don't see a specific threat that needs an immediate response. I should pass and let my opponent continue their turn.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 31,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 51,
      "mana_pool": {
        "C": 2
      },
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

thinkingHaiku Coach

Let me continue watching my opponent's turn.

Gem3F Libbyllm

get_oracle_text(card_name=Glaring Fleshraker)

{
  "success": true,
  "name": "Glaring Fleshraker",
  "rules": [
    "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
    "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
  ]
}

Gem3F Libbyllm

get_oracle_text(card_name=Urza's Workshop)

{
  "success": true,
  "name": "Urza's Workshop",
  "rules": [
    "{T}: Add {C}.",
    "<i>Metalcraft</i> &mdash; {T}: Add {C} for each Urza's land you control. Activate only if you control three or more artifacts."
  ]
}

Gem3F Libbymcpsend_chat_message

raw

send_chat_message(message=A fine addition to the collection. Let's...)

{
  "success": true
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "recent_chat": [
    "Gem3F Libby: A fine addition to the collection. Let&#39;s see what&#39;s on the shelves..."
  ],
  "timeout": true,
  "action_pending": false
}

Gem3F LibbymcpExpedition Map

raw

choose_action(index=5)

{
  "success": true,
  "action_taken": "selected_target_5"
}

thinkingHaiku Coach

Good! My opponent just chatted: *"A fine addition to the collection. Let's see what's on the shelves..."* - They're searching with Urza's Saga. Let me continue waiting.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 32,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 6,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Expedition Map"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 50,
      "mana_pool": {
        "C": 2
      },
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Yavimaya, Cradle of Growth",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F Libbyllm

get_oracle_text(card_name=Dark Depths)

{
  "success": true,
  "name": "Dark Depths",
  "rules": [
    "{this} enters with ten ice counters on it.",
    "{3}: Remove an ice counter from {this}.",
    "When {this} has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible."
  ]
}

Gem3F Libbyllm

get_oracle_text(card_name=Thespian's Stage)

{
  "success": true,
  "name": "Thespian's Stage",
  "rules": [
    "{T}: Add {C}.",
    "{2}, {T}: {this} becomes a copy of target land, except it has this ability."
  ]
}

Gem3F Libbyllm

get_oracle_text(card_name=Exploration)

{
  "success": true,
  "name": "Exploration",
  "rules": [
    "You may play an additional land on each of your turns."
  ]
}

Gem3F Libbyllm

get_oracle_text(card_name=Yavimaya, Cradle of Growth)

{
  "success": true,
  "name": "Yavimaya, Cradle of Growth",
  "rules": [
    "Each land is a Forest in addition to its other land types."
  ]
}

Gem3F Libbyllm

get_oracle_text(card_name=Mox Diamond)

{
  "success": true,
  "name": "Mox Diamond",
  "rules": [
    "If {this} would enter, you may discard a land card instead. If you do, put {this} onto the battlefield. If you don't, put it into its owner's graveyard.",
    "{T}: Add one mana of any color."
  ]
}

Gem3F LibbymcpYavimaya, Cradle of Growth [Land]

raw

choose_action(index=6)

{
  "success": true,
  "action_taken": "selected_6"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 33,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Expedition Map"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 50,
      "mana_pool": {
        "C": 2
      },
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F LibbymcpExploration {G} [Cast]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 34,
  "stack": [
    {
      "name": "Exploration",
      "rules": [
        "You may play an additional land on each of your turns."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 4,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Expedition Map"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 50,
      "mana_pool": {
        "C": 2
      },
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Dark Depths",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I have playable cards again. Let me check.

thinkingHaiku Coach

Same options. I'll pass again to let my opponent continue.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F LibbymcpDark Depths [Land]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 36,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Expedition Map"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 50,
      "mana_pool": {
        "C": 2
      },
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F LibbymcpExpedition Map — {2}, {T}, Sacrifice {this}: Search your library f... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me check the game state to see what's happening.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 25,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "{2}, {T}, Sacrifice Expedition Map: Search your library for a land card, reveal it, put it into your hand, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command",
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": true,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 50,
      "mana_pool": {
        "C": 2
      },
      "life": 18
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

thinkingHaiku Coach

Interesting! The game state has changed significantly: - **My opponent's Urza's Saga** has been **sacrificed** (gone from battlefield, now in graveyard) - **Expedition Map** was searched and sacrificed (also in graveyard) - **My opponent now has a Yavimaya, Cradle of Growth** in play and a **Dark Depths** with 10 ice counters! - I now have **priority** (priority_player is "Haiku Coach") - My **Kozilek's Command is marked as playable** This is aggressive play from my opponent! They're building threats. I should respond thoughtfully. Let me check my action choices.

thinkingHaiku Coach

I have 2 untapped lands and can play: 1. Activate Grim Monolith (costs {4} - I can't afford this right now) 2. Cast Kozilek's Command with X=0 (costs {0}{C}{C}) Wait, I only have 2 untapped lands visible in my action choices. Let me cast **Kozilek's Command with X=0** to get some value. This will let me choose 2 of its modes. Actually, let me first understand what Kozilek's Command does. Let me get the oracle text.

llm

get_oracle_text(card_name=Kozilek's Command)

{
  "success": true,
  "name": "Kozilek's Command",
  "rules": [
    "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>"
  ]
}

thinkingHaiku Coach

**Kozilek's Command** with X=0 means: - **Mode 1**: Target player creates 0 Eldrazi Spawn tokens (useless with X=0) - **Mode 2**: Target player scries 0 then draws a card (so just draw a card) - **Mode 3**: Exile target creature with mana value 0 or less (nothing fits) - **Mode 4**: Exile up to 0 target cards from graveyards (useless with X=0) With X=0, I can only realistically use **Mode 2** (draw a card). This isn't the best use of my Command. I should pass and play my lands instead to build mana.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_oracle_text(card_name=Vesuva)

{
  "success": true,
  "name": "Vesuva",
  "rules": [
    "You may have {this} enter tapped as a copy of any land on the battlefield."
  ]
}

thinkingHaiku Coach

Good. Let me continue to my opponent's next action or my turn.

Gem3F Libbyllm

get_my_decklist()

{
  "cards": "1x Ancient Tomb\n1x Bojuka Bog\n3x Boseiju, Who Endures\n4x Crop Rotation\n4x Dark Depths\n3x Disruptor Flute\n1x Expedition Map\n4x Exploration\n1x Forest\n1x Ghost Quarter\n1x Grafdigger's Cage\n1x Karakas\n1x Lavaspur Boots\n4x Life from the Loam\n4x Malevolent Rumble\n1x Maze of Ith\n4x Mox Diamond\n3x Once Upon a Time\n1x Pithing Needle\n1x Sejiri Steppe\n1x The Tabernacle at Pendrell Vale\n4x Thespian's Stage\n4x Urza's Saga\n4x Wasteland\n4x Yavimaya, Cradle of Growth",
  "sideboard": "1x Disruptor Flute\n1x Pithing Needle\n2x Damping Sphere\n2x Dismember\n2x Endurance\n2x Faerie Macabre\n3x Force of Vigor\n1x Otawara, Soaring City\n1x Twinshot Sniper"
}

Gem3F LibbymcpThespian's Stage

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_target_1"
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me check the game state and action choices.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 26,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": true,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 51,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command",
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 4,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": true,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 49,
      "mana_pool": {
        "C": 2
      },
      "life": 18
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

thinkingHaiku Coach

The stack is now empty. I have priority during my opponent's Precombat Main. My opponent's hand size went from 3 to 4 (they drew a card). Let me check what I can do.

thinkingHaiku Coach

I can still cast **Kozilek's Command with X=0** or **activate Grim Monolith** (which I can't afford with only 2 untapped lands). Actually, I realize I should think strategically about my mana situation. I have: - Urza's Tower (tapped) - Voltaic Key (tapped) - Urza's Workshop (untapped) - Grim Monolith (untapped) - Urza's Saga (with 1 lore counter, untapped) The problem is most of my lands are tapped. I can't generate much mana right now. I should just pass and get to my turn where I can untap.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingHaiku Coach

Now let me wait for my opponent to finish their turn or for my turn to begin.

llm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Good! Now it's **Turn 3 Combat** and my opponent is declaring attackers. I can still cast instants. Let me pass to see what they're attacking with.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

It looks like my opponent didn't declare any attackers! We've moved to **Turn 3 Postcombat Main**. They probably have no creatures to attack with yet. Let me pass to end their turn.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Excellent! It's **MY TURN 3 PRECOMBAT MAIN**! Now I have: - **3 untapped lands** (refreshed!) - Land drops used: 0 (I haven't played a land yet this turn) - Playable actions: 1. Grim Monolith — {4}: Untap {this} 2. Kozilek's Command {X}{C}{C} 3. Voltaic Key — {1}, {T}: Untap target artifact Let me get the full game state to see my hand and plan.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 29,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 50,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command",
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 4,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": true,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 49,
      "life": 18
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

Gem3F Libbyllm

get_action_choices(timeout_ms=30000)

{
  "actions_passed": 3,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

Perfect! My **Urza's Saga** has advanced to **lore counter 2** and is now at the **II stage**. The stack shows it has a pending ability: - **II - Urza's Saga gains "{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"** My hand is: 1. Ancient Tomb (land) 2. Kozilek's Command (spell) 3. Urza's Tower (land) 4. Urza's Saga (land) **Strategic Analysis:** - I'm building an artifact mana base. All my lands that matter (Urza's Tower, Workshop, Saga) support heavy artifact synergy. - My opponent has **Dark Depths with 10 ice counters** - they're likely building toward a threat (probably Marit Lage combo eventually). - I have **Glaring Fleshraker** (2/2) and can make artifact tokens. - **Voltaic Key** allows me to untap artifacts repeatedly. - I need to develop my mana and threats. **My Plan:** 1. Play a land (I have 0 land drops used, can play one) 2. Develop mana and creatures 3. Use Urza's Saga to create threats Let me start by playing a land. I'll play **Ancient Tomb** first since it enters untapped and generates 2 generic mana (at the cost of life). Actually, wait - let me look at my options again. The action choices say I can activate abilities. Let me think about the sequence: 1. First, I should let **Urza's Saga**'s II ability resolve (the stack shows it's pending) 2. Then play a land 3. Then decide on other plays But I have choices to make now. The ability on the stack might need input. Let me pass this action and see if I need to make choices. Actually, looking more carefully - the stack shows Urza's Saga's ability with this text, but I'm being asked what instants/abilities to activate. I should just play my lands and use my mana efficiently. Let me cast **

thinkingHaiku Coach

You're right, let me continue with pass_priority to see what happens next.

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I notice the choices don't show land plays. Let me pass with answer=false to move to the main spell-playing phase.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 39,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 50,
      "life": 20
    },
    {
      "hand_size": 4,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": true,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 49,
      "life": 18,
      "hand": [
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

Gem3F Libbyllm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Great! Now I can see all my options. Let me analyze: **Lands I can play (0 used, can play 1):** - Index 1: Urza's Tower - Index 2: Urza's Saga - Index 5: Ancient Tomb **Spells/Abilities:** - Index 0: Grim Monolith activation ({4} - can't afford) - Index 3: Kozilek's Command ({0}{C}{C}) - Index 4: Voltaic Key activation ({1}) - Index 6: Urza's Saga ability ({2}, {T}) **Strategy:** I should play **Ancient Tomb** to get 2 generic mana immediately, which gives me mana for other plays.

mcpAncient Tomb [Land]

raw

choose_action(index=5)

{
  "success": true,
  "action_taken": "selected_5"
}

thinkingHaiku Coach

Good! I played Ancient Tomb. Now: - Land drops used: 1 - Untapped lands: 4 (my mana pool has increased!) Now I have 4 untapped lands worth of mana. Let me check what I can do: 1. **Grim Monolith activation** ({4}) - I can afford this now! 2. **Kozilek's Command** ({0}{C}{C}) - I can afford this 3. **Voltaic Key** ({1}) - I can afford this 4. **Urza's Saga ability** ({2}, {T}) - I can afford this Let me activate **Urza's Saga**'s ability to create a 0/0 Construct token, which will get +1/+1 for each artifact I control. I have 5 artifacts on the battlefield (Urza's Tower, Voltaic Key, Urza's Workshop, Grim Monolith, Urza's Saga), so it would be a 5/5 token!

mcpUrza's Saga — {2}, {T}: Create a 0/0 colorless Construct artifa... [Activate]

raw

choose_action(index=3)

{
  "success": true,
  "action_taken": "selected_3"
}

thinkingHaiku Coach

Excellent! I activated Urza's Saga and created that construct token. Now: - Untapped lands: 3 (down from 4, as Saga tapped) - Mana pool: {G} 1 floating I have more mana floating. Let me continue playing. I can: 1. **Grim Monolith activation** ({4}) - I have 3 lands + 1 floating = can't quite afford it yet 2. **Kozilek's Command** ({0}{C}{C}) - I can cast this! 3. **Voltaic Key** ({1}) - I can activate this Let me cast **Kozilek's Command with X=0** to draw a card. This will give me more options. Actually, wait - let me reconsider. I have 3 untapped lands and 1 green floating. I could: - Activate **Voltaic Key** to untap an artifact (costs {1}) - Then activate **Grim Monolith** to untap itself (costs {4}) But that seems inefficient. Let me just pass and see if I draw into better plays, or cast Kozilek's Command. Actually, Kozilek's Command with X=0 only lets me draw 1 card. Let me think if there's a better use here. But drawing is good for finding threats. Let me cast it.

mcpKozilek's Command {X}{C}{C} [Cast]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

I need to announce X for Kozilek's Command. The max is essentially unlimited, but I only have finite mana. Let me set **X=1** to get a more powerful effect while still being castable. With X=1, Kozilek's Command costs {1}{C}{C}. I have 3 untapped lands and 1 green floating. That's 4 total mana, which is enough! With X=1, the modes would be: - Create 1 Eldrazi Spawn token - Scry 1, then draw a card - Exile a creature with mana value 1 or less - Exile up to 1 card from graveyards Let me set X=1.

mcp1

raw

choose_action(amount=1)

{
  "success": true,
  "action_taken": "amount_1"
}

thinkingHaiku Coach

I need to choose which player creates the Eldrazi Spawn tokens. I'll choose **myself (Haiku Coach)** at index 0.

mcpHaiku Coach (you)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Now I need to choose who scries and draws. I'll choose **myself** again at index 0 to scry 1 and draw 1 card.

mcpHaiku Coach (you)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Good! The spell has resolved. Now I have more choices. I still have 3 untapped lands and 1 green floating. I can: 1. **Grim Monolith** ({4}) - Still can't quite afford it 2. **Voltaic Key** ({1}) - I can afford this! Let me activate **Voltaic Key** to untap an artifact. This costs {1} and will allow me to untap something like Grim Monolith or Urza's Saga to use again.

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

I need to choose which artifact to untap. My options: - Index 0: **Grim Monolith** (tapped) - Good choice to untap for future mana! - Index 1: **Mox Diamond** (tapped, opponent's) - Can't target my opponent's artifacts - Index 2: **Voltaic Key** (yours) - Just used it, doesn't make sense Let me untap **Grim Monolith** at index 0.

mcpGrim Monolith [tapped] (yours)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Perfect! Now Grim Monolith is untapped. I have 2 untapped lands and 1 green floating = 3 mana available. I can't activate Grim Monolith ({4}), so I'll pass priority to move to combat.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Still showing Grim Monolith. Since I can't afford it, let me pass again to move to combat.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Still showing Grim Monolith. I'm stuck in this loop. Let me try to pass by pressing answer=false again, or maybe I need to look at the full game state to see what's happening.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 40,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "target_count": 2,
      "name": "Kozilek's Command",
      "rules": [
        "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>",
        "<span color='green'><i>Chosen mode: target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"</i></span>",
        "<span color='green'><i>Chosen mode: target player scries X, then draws a card.</i></span>"
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 50,
      "mana_pool": {
        "G": 1
      },
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 4,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": true,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 49,
      "life": 18
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 3
}

thinkingHaiku Coach

Interesting! I see the stack has abilities on it from when my Eldrazi Spawn token entered. The stack shows: 1. **Glaring Fleshraker's ability**: "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent." 2. **Kozilek's Command** (with 2 modes chosen) The game is still in Precombat Main and I have priority. Let me pass priority once more to clear the stack and move forward.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Good! The opponent's life total dropped from 18 to 17, confirming the Glaring Fleshraker damage trigger went through. Still in Precombat Main with Grim Monolith as my only playable ability (which I can't afford). Let me move to combat by passing.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "action_type": "GAME_TARGET",
  "action_pending": true
}

thinkingHaiku Coach

Ah! Now the scry from Kozilek's Command is resolving. I need to choose whether to put the card on the bottom of my library or keep it on top. The choice is "Grim Monolith" at index 0. Since I have Grim Monolith in hand already and might draw better threats, I'll put it on the **bottom** of my library by choosing index 0. Actually wait - this is asking if I want to put a card on the bottom. I should check if this is a scry outcome. Let me cancel if I want to keep it on top, or select index 0 to put Grim Monolith on the bottom. I'll put it on the bottom since I already have mana sources.

mcpGrim Monolith

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_action_choices(timeout_ms=30000)

{
  "actions_passed": 4,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

Still showing Grim Monolith. I'm still in Precombat Main. Let me pass one more time to move to combat.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 41,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "mana_pool": {
        "G": 1
      },
      "life": 20
    },
    {
      "hand_size": 4,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": true,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 49,
      "life": 17,
      "hand": [
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

Gem3F Libbyllm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Great! New options appeared: - Index 0: **Grim Monolith** ({4}) - Still can't afford - Index 1: **Karn, the Great Creator** ({4}) - Also can't afford with 3 total mana Wait, opponent's life went down to 16 - another damage trigger! Let me check: I drew a card from the scry. Do I have enough mana to cast **Karn, the Great Creator**? I have 2 untapped lands + 1 green = 3 mana. Karn costs {4}. I can't afford it. Let me pass again.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "combat_phase": "attackers",
  "actions_passed": 0,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Perfect! Now we're in **Combat - Attackers**. Let me see what creatures I can attack with.

thinkingHaiku Coach

Excellent! I can declare attackers: - Index 0: **Glaring Fleshraker** (2/2) - A solid attacker - Index 1: **All attack** - Declare all creatures as attackers (but the Eldrazi Spawn token has summoning sickness) I'll attack with **Glaring Fleshraker**.

mcpGlaring Fleshraker 2/2 [Attack]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "auto_passed_loop_detected",
  "warning": "Too many interactions this turn (26). Auto-passing until next turn."
}

thinkingHaiku Coach

Interesting! The system detected too many interactions and is auto-passing the rest of the turn. This is good - it means the game will continue without me needing to click through more choices. Let me wait for the turn to progress and then continue playing.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 42,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "life": 20
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16,
      "hand": [
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

Gem3F Libbyllm

get_oracle_text(card_name=Glaring Fleshraker)

{
  "success": true,
  "name": "Glaring Fleshraker",
  "rules": [
    "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
    "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
  ]
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 2,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 46,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "Karn, the Great Creator"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

Gem3F LibbymcpThespian's Stage [Land]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F LibbymcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Perfect! The turn progressed. Now it's **Turn 4, Gem3F Libby's Precombat Main**. Summary of what happened: - My Glaring Fleshraker attacked and dealt damage (opponent went from 16 to 16, so maybe no unblocked damage, or it was blocked) - Actually, looking at opponent's life, they're still at 16, so Fleshraker was probably blocked or the combat resolved without damage - I now have **2 additional Eldrazi Spawn tokens** (total 2 tokens now), which likely came from a trigger - I drew cards from Kozilek's Command's scry mode - I now have **Karn, the Great Creator** in hand It's the opponent's turn now. I'll wait for them to finish, then continue my turn 5.

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 44,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "life": 20
    },
    {
      "hand_size": 4,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 16,
      "hand": [
        {
          "mana_value": 0,
          "name": "Thespian's Stage",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

Gem3F LibbymcpThespian's Stage [Land]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 45,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "life": 20
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 16,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

Gem3F LibbymcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Opponent has playable cards. Let me wait for them to play out their turn.

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Still waiting on opponent. Let me continue passing.

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 47,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "Karn, the Great Creator"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 2
      },
      "life": 16
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

thinkingHaiku Coach

Good! The opponent played **Thespian's Stage** twice and has 2 floating colorless mana. It's now back to **my turn 4, Precombat Main**. I have priority. Current board state: - **My Board**: Urza's Tower, Voltaic Key, Urza's Workshop, Grim Monolith, Glaring Fleshraker, Urza's Saga (2 lore counters), Ancient Tomb, 2 Eldrazi Spawn tokens - **Opponent's Board**: Mox Diamond, Wasteland, Yavimaya Cradle of Growth, Exploration, Dark Depths (10 ice counters), 2 Thespian's Stages - **My Hand**: 2 lands (Urza's Tower, Urza's Saga), Karn the Great Creator - **Opponent's Mana**: 2 colorless floating Let me check what actions are available.

thinkingHaiku Coach

I'm still seeing Turn 4 in the message, but the active player is "Gem3F Libby" in the phase info. Wait, let me reread - "T4 Precombat Main/Precombat Main (Gem3F Libby)" - that means it's Gem3F Libby's turn 4, which means I'm getting priority during the opponent's main phase (perhaps due to a response opportunity). Actually, looking back at the game state, it says `"active_player": "Gem3F Libby"` and `"priority_player": "Haiku Coach"`. This means the active player is Libby, but I have priority. I should pass to let their turn complete.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Combat",
  "priority_player": "Haiku Coach",
  "cursor": 48,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "Karn, the Great Creator"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16
    }
  ],
  "available": true,
  "step": "Declare Attackers",
  "turn": 4
}

thinkingHaiku Coach

Great! Now we're in the **Combat phase** - Opponent's "Declare Attackers". I have priority. The opponent is about to attack me. Let me see what I need to do.

thinkingHaiku Coach

I can activate Grim Monolith before they declare attackers, but I can't afford it (need 4 mana, have 2). I'll pass and let them attack.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 49,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "Karn, the Great Creator"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 4
}

Gem3F Libbyllm

get_action_choices(timeout_ms=30000)

{
  "actions_passed": 3,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

Good! Combat resolved with no attacks (opponent's creatures stayed back). We're now in **Postcombat Main** of the opponent's turn. They have 3 cards in hand and I have priority. Let me wait for them to finish.

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 49,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 49,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "Karn, the Great Creator"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 4
}

thinkingHaiku Coach

Same state. Opponent appears to be done playing. Let me pass to end their turn and move to my turn 5.

llm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 50,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 48,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "Karn, the Great Creator"
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "The One Ring"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

thinkingHaiku Coach

Excellent! Now it's **my turn 5, Precombat Main**! Important updates: - **Urza's Saga** now has **3 lore counters** (hitting its ultimate next turn!) - I now have **The One Ring** in hand (4-mana artifact) - I drew a 4th card - All my lands are untapped! - On the stack: **Urza's Saga III ability** - "Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle." I need to resolve the Saga's III ability! This is a tutor for 0 or 1-mana artifacts. Let me check what I can search for. Common targets would be: Ornithopter, Mishra's Bauble, Tormod's Crypt, etc. Let me get the action choices to see what artifacts are available to search for.

thinkingHaiku Coach

Wait, the stack shows the Saga III ability is pending, but the get_action_choices is showing me different abilities to activate. Let me check if I need to respond to the Saga III tutor effect first. Actually, looking at the stack, the ability is there but I'm not being asked to choose a target yet. The choices shown are just other abilities I could activate in response. Let me wait a moment - I think the game is waiting for me to respond to the Saga's tutor. Let me pass priority to see if it triggers a choice dialog.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 48,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 48,
      "life": 20
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Haiku Coachllm

get_action_choices(timeout_ms=5000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 51,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 48,
      "life": 20,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Tower",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "Karn, the Great Creator"
        },
        {
          "mana_value": 4,
          "mana_cost": "{4}",
          "name": "The One Ring"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 4
}

thinkingHaiku Coach

Now the priority_player is "Gem3F Libby", meaning they have priority. The Saga ability is still on the stack waiting to resolve. Let me wait for it to fully resolve or ask for choices.

llmGem3F Libby stalled (20 turns without progress)

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "action_type": "GAME_TARGET",
  "recent_chat": [
    "Gem3F Libby: Brain freeze! Auto-passing until next turn..."
  ],
  "action_pending": true
}

thinkingHaiku Coach

Great! Now I have a **GAME_TARGET** action waiting. This is the Saga III tutor asking me to pick which 0 or 1-mana artifact to search for. Let me get the choices.

thinkingHaiku Coach

Excellent! I have many 0-1 mana artifact options: - **Mox Opal** (0-mana, mana artifact) - **Lotus Petal** (0-mana, mana artifact - has 4 copies) - **Manifold Key** (1-mana, can tap to untap artifacts) - **Expedition Map** (1-mana, can tutor lands) - **Pithing Needle** (1-mana, artifact hate) - **Candelabra of Tawnos** (1-mana, powerful land untap engine) **Strategic Analysis:** - I'm trying to build towards casting Karn (4 mana) or The One Ring (4 mana) - Mox Opal gives me free colored mana and helps cast spells - Lotus Petal gives me temporary mana - Manifold Key can untap Grim Monolith or Voltaic Key for infinite loops - Expedition Map tutors Dark Depths for Marit Lage combo potential - Candelabra of Tawnos untaps all my lands for big mana turns Given I need to close out the game and the opponent has Dark Depths (10 ice counters), I should consider: 1. **Mox Opal** - pure acceleration for my big spells 2. **Candelabra of Tawnos** - massive land untap potential for multiple mana phases Actually, **Candelabra of Tawnos** is one of the most powerful artifacts in the deck for generating obscene amounts of mana with Urza's lands. This could enable game-winning plays. Let me pick **Candelabra of Tawnos** (index 8).

mcpCandelabra of Tawnos

raw

choose_action(index=8)

{
  "success": true,
  "action_taken": "selected_target_8"
}

thinkingHaiku Coach

Perfect! **Candelabra of Tawnos** is now coming onto the battlefield. Let me get my next action.

thinkingHaiku Coach

Excellent! Now I'm back in the main phase with all my cards available. Let me analyze my options: **Current hand**: 2 land (Urza's Tower, Urza's Saga), Karn the Great Creator, The One Ring **Lands untapped**: 3 **Current mana**: Let me think - I have Urza's Tower (0 untapped), Voltaic Key, Urza's Workshop, Grim Monolith (all untapped), Ancient Tomb, 2 Eldrazi Spawns Actually, looking at the untapped_lands count (3), those must be the lands I control that produce mana. Let me think about my mana sources: - Urza's Tower (tapped) - Ancient Tomb (untapped) - Urza's Workshop (untapped) - And lands in hand Wait, the game says "untapped_lands": 3, which means 3 lands are untapped. Looking at my battlefield, the lands shown are: Urza's Tower, Urza's Workshop, Grim Monolith, Ancient Tomb, Urza's Saga (the first one, now Level 3). Urza's Workshop and Ancient Tomb are mana lands. Let me count the mana I can generate: - Ancient Tomb: {C}{C} - Urza's Workshop: {C} - Plus any from Urza's Tower (if it's not tapped) or the spawns Actually, I see Urza's Tower is tapped. Let me work with what I have: - 2 colorless from Ancient Tomb - 1 colorless from Urza's Workshop - 1 colorless from each Eldrazi Spawn (sacrificed) That's 4-5 mana available right now. **Strategic Options:** 1. **Play Karn (4 mana)** - This is a powerful planeswalker that can tutor artifacts. With only 16 life on the opponent, Karn is a strong threat. 2. **Play The One Ring (4 mana)** - Another powerful planeswalker that draws cards and protects me. 3. **Build mana

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I have playable cards. Let me think strategically: I can cast either **Karn, the Great Creator** or **The One Ring** (both 4 mana). With the opponent at 16 life, I need to build a game plan. **Key insight**: I have access to Candelabra of Tawnos which can untap all my lands repeatedly. This means I can generate massive mana if I can tap/untap my mana-producing lands multiple times. Let me first play a land to set up, then cast a planeswalker. I'll play **Urza's Tower** first to maximize my mana base.

mcpUrza's Tower [Land]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

thinkingHaiku Coach

Good! Land drop used. Now I have 4 untapped lands. I have 2 solid plays: **Karn the Great Creator** or **The One Ring**. **Karn, the Great Creator** is the better choice here because: 1. It can tutor powerful artifacts from my sideboard (likely contains utility artifacts) 2. It's a planeswalker that the opponent needs to address 3. With 16 life remaining, I need threats Let me cast **Karn, the Great Creator**:

mcpKarn, the Great Creator {4} [Cast]

raw

choose_action(index=4)

{
  "success": true,
  "action_taken": "selected_4"
}

thinkingHaiku Coach

Good! **Karn** is now on the battlefield. The 4 mana was spent. I still have playable abilities. Let me think: - **Grim Monolith**: Costs 4 to untap itself - not immediately useful - **Voltaic Key**: Costs 1 to untap an artifact - could untap Grim Monolith or Candelabra - **Candelabra of Tawnos**: Untap X lands for X mana I have 3 untapped lands remaining. Let me activate **Voltaic Key** to untap an artifact. If I untap **Grim Monolith**, then I can activate it to generate 2 more mana (nets me +2).

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Perfect! I need to pick which artifact to untap. Let me untap **Grim Monolith** (index 0):

mcpGrim Monolith [tapped] (yours)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Good! **Grim Monolith** is now untapped and ready. I have 2 untapped lands remaining. Now let me activate **Grim Monolith** to untap itself (costs 4 mana, gives me net 2 mana):

mcpGrim Monolith — {4}: Untap {this}. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Excellent! Now I can activate **Candelabra of Tawnos**. I have 2 untapped lands, so I can untap up to 2 lands. This sets up a potential infinite loop with Grim Monolith: 1. Tap 2 lands for mana 2. Activate Candelabra with 2 mana to untap those 2 lands 3. Repeat infinitely! But wait - I need to be careful. Let me activate Candelabra to untap my lands:

mcpCandelabra of Tawnos — {X}, {T}: Untap X target lands. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

I need to announce how many lands to untap (X value). I have 2 untapped lands available. Let me use X=2 to untap both:

mcp2

raw

choose_action(amount=2)

{
  "success": true,
  "action_taken": "amount_2"
}

thinkingHaiku Coach

I need to select 2 lands to untap. I have two mana-producing lands that are currently tapped: **Urza's Workshop** and **Ancient Tomb**. Wait, the display shows Urza's Workshop is NOT tapped (no [tapped] marker). Let me pick the two best mana lands: 1. **Ancient Tomb** (index 7) - produces 2 colorless 2. **Urza's Workshop** (index 5) - produces 1 colorless

mcpUrza's Workshop (yours)

raw

choose_action(index=5)

{
  "success": true,
  "action_taken": "selected_target_5"
}

Haiku Coachllm

choose_action(index=7)

{
  "retryable": true,
  "success": false,
  "error_code": "index_out_of_range",
  "error": "Index 7 out of range (call get_action_choices first)",
  "choices": [
    {
      "index": 0,
      "description": "Dark Depths (Gem3F Libby's)"
    },
    {
      "index": 1,
      "description": "Thespian's Stage [tapped] (Gem3F Libby's)"
    },
    {
      "index": 2,
      "description": "Thespian's Stage [tapped] (Gem3F Libby's)"
    },
    {
      "index": 3,
      "description": "Urza's Tower [tapped] (yours)"
    },
    {
      "index": 4,
      "description": "Urza's Tower [tapped] (yours)"
    },
    {
      "index": 5,
      "description": "Wasteland (Gem3F Libby's)"
    },
    {
      "index": 6,
      "description": "Ancient Tomb (yours)"
    },
    {
      "index": 7,
      "description": "Yavimaya, Cradle of Growth (Gem3F Libby's)"
    }
  ]
}

thinkingHaiku Coach

Let me select **Ancient Tomb** at the new index (6):

llm

choose_action(index=6)

{
  "retryable": true,
  "success": false,
  "error_code": "index_out_of_range",
  "error": "Index 6 out of range (call get_action_choices first)",
  "choices": [
    {
      "index": 0,
      "description": "Dark Depths (Gem3F Libby's)"
    },
    {
      "index": 1,
      "description": "Thespian's Stage [tapped] (Gem3F Libby's)"
    },
    {
      "index": 2,
      "description": "Thespian's Stage [tapped] (Gem3F Libby's)"
    },
    {
      "index": 3,
      "description": "Urza's Tower [tapped] (yours)"
    },
    {
      "index": 4,
      "description": "Urza's Tower [tapped] (yours)"
    },
    {
      "index": 5,
      "description": "Wasteland (Gem3F Libby's)"
    },
    {
      "index": 6,
      "description": "Ancient Tomb (yours)"
    },
    {
      "index": 7,
      "description": "Yavimaya, Cradle of Growth (Gem3F Libby's)"
    }
  ]
}

thinkingHaiku Coach

Let me get_action_choices first:

thinkingHaiku Coach

Good, now I'll select **Ancient Tomb** (index 6):

mcpAncient Tomb (yours)

raw

choose_action(index=6)

{
  "success": true,
  "action_taken": "selected_target_6"
}

thinkingHaiku Coach

Interesting! My life total changed to 18 (I took 2 damage - likely from Ancient Tomb triggering). I have 1 colorless mana in my pool. I have no more playable abilities to activate, so I should pass priority to move to combat.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 49,
  "stack": [
    {
      "target_count": 2,
      "name": "Ability",
      "rules": [
        "{X}, {T}: Untap X target lands."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Karn, the Great Creator",
      "rules": [
        "Activated abilities of artifacts your opponents control can't be activated.",
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.",
        "-2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.",
        "<br/><hintstart/>",
        "Cards in your sideboard: 15 (<i>Right click on battlefield to open player's sideboard at any time</i>)"
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "mana_pool": {
        "C": 1
      },
      "life": 18
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

thinkingGem3F Libby

Then get_action_choices. Wait for your turn or for a response that needs your action. Use choose_action. Repeat until victory. Your opponent Haiku Coach has a scary board including Glaring Fleshraker, Karn, the Great Creator on the stack, and plenty of mana. You have Dark Depths and Thespian's Stage. Strategy: Use Wasteland on an Urza land if it helps, but you need to resolve the Depths/Stage combo. However, Karn's static ability doesn't stop Dark Depths or Thespian's Stage (they are lands). Wait, Karn is on the stack. You can respond. Current Stack: 1. Karn, the Great Creator 2. Glaring Fleshraker trigger (Spawn) 3. Voltaic Key ability (targeting something) 4. Candelabra of Tawnos ability (targeting 2 lands) You have a Wasteland. You should probably Waste an Urza's Tower to reduce their mana potential, though they already have a lot. Actually, better to see if they tap out or if you can find a window. Wait, I should check the oracle text for Karn. Karn, the Great Creator: "Activated abilities of artifacts your opponents control can't be activated." My Mox Diamond is an artifact. I won't be able to use it once Karn resolves. I should probably just pass for now and see what happens, or use Wasteland on an Urza land now while it's their turn. Actually, I have Urza's Saga in hand. Wait, it's Haiku Coach's turn. I'm responding to the stack. I'll pass priority for now to let the stack resolve unless I want to Waste a land. Wasting a Tower now might be good. They have: Urza's Tower (tapped), Urza's Workshop (tapped), Urza's Tower (tapped), Ancient Tomb (tapped), Grim Monolith (tapped). They are using Candelabra to untap lands. I will pass priority to see how the stack resolves. Wait, I need to call get_action_choices before choose_action. I already did. I'll choose_action(answer=false) to pass priority on the stack. Actually, the librarian persona... "Such reckless handling of the mana

Gem3F Libbymcpsend_chat_message

raw

send_chat_message(message=Your Urza's Tower is like a library with...)

{
  "success": true
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 50,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Karn, the Great Creator",
      "rules": [
        "Activated abilities of artifacts your opponents control can't be activated.",
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.",
        "-2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.",
        "<br/><hintstart/>",
        "Cards in your sideboard: 15 (<i>Right click on battlefield to open player's sideboard at any time</i>)"
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "mana_pool": {
        "C": 1
      },
      "life": 18
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "life": 16,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F LibbymcpWasteland — {T}, Sacrifice {this}: Destroy target nonbasic la... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 51,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Karn, the Great Creator",
      "rules": [
        "Activated abilities of artifacts your opponents control can't be activated.",
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.",
        "-2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.",
        "<br/><hintstart/>",
        "Cards in your sideboard: 15 (<i>Right click on battlefield to open player's sideboard at any time</i>)"
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "mana_pool": {
        "C": 1
      },
      "life": 18
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 16,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 52,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Karn, the Great Creator",
      "rules": [
        "Activated abilities of artifacts your opponents control can't be activated.",
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.",
        "-2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.",
        "<br/><hintstart/>",
        "Cards in your sideboard: 15 (<i>Right click on battlefield to open player's sideboard at any time</i>)"
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "mana_pool": {
        "C": 1
      },
      "life": 18
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 16,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 53,
  "stack": [
    {
      "name": "Karn, the Great Creator",
      "rules": [
        "Activated abilities of artifacts your opponents control can't be activated.",
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value.",
        "-2: You may reveal an artifact card you own from outside the game or choose a face-up artifact card you own in exile. Put that card into your hand.",
        "<br/><hintstart/>",
        "Cards in your sideboard: 15 (<i>Right click on battlefield to open player's sideboard at any time</i>)"
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "mana_pool": {
        "C": 1
      },
      "life": 18
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 15,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 5,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "recent_chat": [
    "[System] Spell cancelled — not enough mana to complete payment.",
    "Gem3F Libby: Your Urza&#39;s Tower is like a library with too many sequels&mdash;efficient, but perhaps a bit repetitive for my taste. Let&#39;s see how this Karn, the Great Creator fits into the archives."
  ],
  "action_pending": true
}

thinkingHaiku Coach

Good! I can either cast **The One Ring** or activate **Karn's +1** ability. I notice the opponent's life total went down to 15 - likely from a spell I cast. Let me activate **Karn's +1** to protect myself and generate value:

mcpKarn, the Great Creator — +1: Until your next turn, up to one target noncre...; -2: You may reveal an artifact card you own from ... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

I can target a noncreature artifact for protection until next turn. Let me target **Candelabra of Tawnos** (index 2) since it's my most powerful mana engine:

mcpCandelabra of Tawnos [tapped] (yours)

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_target_2"
}

thinkingHaiku Coach

No more playable cards or abilities. Let me pass to move to combat phase:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 54,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "mana_pool": {
        "C": 1
      },
      "life": 18
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 15,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I can still cast **The One Ring**. Since I have 1 mana in pool and 2 untapped lands, I need 4 total mana. Let me cast it:

mcpThe One Ring {4} [Cast]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Good! **The One Ring** is now in play (my life went down to 16, likely from pain costs). I'm out of playable spells. Let me pass to combat:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 55,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "The One Ring",
      "rules": [
        "Indestructible",
        "When {this} enters, if you cast it, you gain protection from everything until your next turn.",
        "At the beginning of your upkeep, you lose 1 life for each burden counter on {this}.",
        "{T}: Put a burden counter on {this}, then draw a card for each burden counter on {this}."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 15,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 56,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "The One Ring",
      "rules": [
        "Indestructible",
        "When {this} enters, if you cast it, you gain protection from everything until your next turn.",
        "At the beginning of your upkeep, you lose 1 life for each burden counter on {this}.",
        "{T}: Put a burden counter on {this}, then draw a card for each burden counter on {this}."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 15,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 57,
  "stack": [
    {
      "name": "The One Ring",
      "rules": [
        "Indestructible",
        "When {this} enters, if you cast it, you gain protection from everything until your next turn.",
        "At the beginning of your upkeep, you lose 1 life for each burden counter on {this}.",
        "{T}: Put a burden counter on {this}, then draw a card for each burden counter on {this}."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 58,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "When The One Ring enters, if you cast it, you gain protection from everything until your next turn."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 59,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": true,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 2,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 60,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 4,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Ghost Quarter",
          "is_land": true,
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 7,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

Turn 4 is over. I'm waiting for opponent's actions. Let me continue:

thinkingGem3F Libby

If it's your turn and you have playable cards, they will be listed in get_action_choices. Play them if they help you win. Current game state: Turn 5; Precombat Main; Haiku Coach: 16hp, 14 permanents, 1 cards; Gem3F Libby: 14hp, 7 permanents, 4 cards. **Strategy:** Plan: I have Dark Depths and Thespian's Stage. I need to copy Dark Depths with Thespian's Stage. I have 14 life, and my opponent has a board of Eldrazi. Haiku Coach just played The One Ring, so they have protection from everything until their next turn. This means even if I make Marit Lage now, I can't damage them this turn. Wait... Karn, the Great Creator is on the board. Karn's passive ability: "Activated abilities of artifacts your opponents control can't be activated." This shuts off my Mox Diamond. I need to make Marit Lage. To do the combo: 1. Use Thespian's Stage's activate ability to copy Dark Depths. 2. State check: Stage is now a copy of Dark Depths with no counters. 3. Dark Depths' "legend rule" applies. Keep the copy (no counters), sacrifice the original. 4. The copy (no counters) triggers: sacrifice it to create a 20/20 indestructible Marit Lage token. Requirements for Stage activation: {2}, {T}. I have: - Dark Depths - Yavimaya, Cradle of Growth (makes all lands Forests, meaning they tap for {G}) - Wasteland - Thespian's Stage (x2) - Mox Diamond (Artifact - currently disabled by Karn) Actually, Yavimaya is out. My lands tap for {G}. I have 5 untapped lands (Wasteland, Yavimaya, Depths, Stage, Stage). Cost to copy: {2}. I can definitely do this. However, Haiku Coach has The One Ring protection. If I make Marit Lage now, I won't be able to attack for the win this turn. It's my main phase. If I make it now, it will have summoning sickness anyway. I should

Gem3F LibbymcpGhost Quarter [Land]

raw

choose_action(index=6)

{
  "success": true,
  "action_taken": "selected_6"
}

Gem3F LibbymcpUrza's Saga [Land]

raw

choose_action(index=3)

{
  "success": true,
  "action_taken": "selected_3"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 62,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "I - Urza's Saga gains \"{T}: Add {C}.\""
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Interesting - we're at **Turn 5, Precombat Main** for the opponent. My opponent's life went down to 14. During their main phase, I can activate abilities. However, I shouldn't be playing - the opponent is taking their main phase. Let me wait for them to pass priority back to me naturally.

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I can respond during the opponent's main phase. Let me stay vigilant and let them play through. If there's an important timing moment, I'll activate. For now, let me pass priority to see what they do:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I'll keep passing until the opponent declares attackers or moves to their combat phase:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Combat",
  "priority_player": "Gem3F Libby",
  "cursor": 64,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Declare Attackers",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Good! We're now at **T5 Combat / Declare Attackers** for the opponent. I can still respond with my abilities. Let me wait to see what they attack with:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 65,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 5
}

Gem3F LibbymcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 66,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "mana_pool": {
        "C": 1
      },
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 5
}

Gem3F LibbymcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 67,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "mana_pool": {
        "C": 2
      },
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 5
}

Gem3F Libbyllm

get_oracle_text(card_name=Thespian's Stage)

{
  "success": true,
  "name": "Thespian's Stage",
  "rules": [
    "{T}: Add {C}.",
    "{2}, {T}: {this} becomes a copy of target land, except it has this ability."
  ]
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 67,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos",
          "summoning_sickness": true,
          "power": "1",
          "toughness": "1"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 16
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "mana_pool": {
        "C": 2
      },
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 5
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

No combat attack declared! We're at **T5 Postcombat Main**. The opponent is making no visible plays. Let me pass priority and move toward their end step:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Perfect! We're at **T6 Beginning/Upkeep (Mine)**. I have 4 untapped lands and multiple activations available. This is my chance to build mana for a big turn. Let me activate **Grim Monolith** first:

mcpGrim Monolith — {4}: Untap {this}. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Good! I now have 3 colorless mana. Let me activate **Voltaic Key** to untap **Grim Monolith** so I can activate it again:

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

thinkingHaiku Coach

Perfect! I'll target **Grim Monolith** (index 0) to untap it:

mcpGrim Monolith [tapped] (yours)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Excellent! Now I have 3 mana and **Grim Monolith** is untapped again. I can activate it for 4 mana total (3 floating + need 1 more from lands). Let me use my untapped lands. First, let me activate **Candelabra of Tawnos** to untap lands for more mana:

mcpCandelabra of Tawnos — {X}, {T}: Untap X target lands. [Activate]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

thinkingHaiku Coach

I need to announce X for Candelabra. I have 3 untapped lands, so I'll set X=3 to untap all 3:

mcp3

raw

choose_action(amount=3)

{
  "success": true,
  "action_taken": "amount_3"
}

thinkingHaiku Coach

I need to select 3 of MY untapped lands. Let me pick **Urza's Tower**, **Urza's Workshop**, and **Ancient Tomb**:

mcpUrza's Tower (yours)

raw

choose_action(index=4)

{
  "success": true,
  "action_taken": "selected_target_4"
}

thinkingHaiku Coach

Now selecting **Urza's Workshop** (index 5):

mcpUrza's Workshop (yours)

raw

choose_action(index=5)

{
  "success": true,
  "action_taken": "selected_target_5"
}

thinkingHaiku Coach

Now selecting **Ancient Tomb** (index 7):

mcpAncient Tomb (yours)

raw

choose_action(index=7)

{
  "success": true,
  "action_taken": "selected_target_7"
}

thinkingHaiku Coach

Good! I have 4 mana now (paid 2 life to **Ancient Tomb**). Now I can activate **Grim Monolith** again:

mcpGrim Monolith — {4}: Untap {this}. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Great! I'm building a massive mana pool here. Let me try to draw with **The One Ring** to see what I'm working with:

mcpThe One Ring — {T}: Put a burden counter on {this}, then draw a ... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Good! I drew a card. Let me check my hand and board state:

llm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Haiku Coach",
  "cursor": 80,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{4}: Untap Grim Monolith."
      ]
    },
    {
      "target_count": 3,
      "name": "Ability",
      "rules": [
        "{X}, {T}: Untap X target lands."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 5
}

thinkingHaiku Coach

Perfect! I now have **Urza's Saga** in hand! This is exactly what I need. I can play it to advance my board. Let me continue activating **Grim Monolith** to build more mana:

mcpGrim Monolith — {4}: Untap {this}. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Perfect! No more activations available. I have plenty of mana. Let me pass to my main phase and play **Urza's Saga**:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Gem3F Libby",
  "cursor": 68,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{4}: Untap Grim Monolith."
      ]
    },
    {
      "target_count": 3,
      "name": "Ability",
      "rules": [
        "{X}, {T}: Untap X target lands."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 47,
      "life": 14
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Gem3F Libby",
  "cursor": 69,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "{4}: Untap Grim Monolith."
      ]
    },
    {
      "target_count": 3,
      "name": "Ability",
      "rules": [
        "{X}, {T}: Untap X target lands."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 46,
      "life": 14
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 6
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 1,
  "recent_chat": [
    "[System] Spell cancelled — not enough mana to complete payment."
  ],
  "timeout": true,
  "action_pending": false
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingHaiku Coach

Interesting! A spell was cancelled for insufficient mana. Let me get the current game state and action choices:

thinkingHaiku Coach

It seems the timeout interrupted my upkeep. Let me pass priority now:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Gem3F Libby",
  "cursor": 70,
  "stack": [
    {
      "target_count": 3,
      "name": "Ability",
      "rules": [
        "{X}, {T}: Untap X target lands."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 46,
      "life": 14
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Gem3F Libby",
  "cursor": 71,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 46,
      "life": 14
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Gem3F Libby",
  "cursor": 72,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 46,
      "life": 14
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 6
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 2,
  "timeout": true,
  "action_pending": false
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingHaiku Coach

Excellent! Now I'm in my **Precombat Main** phase. I have playable spells. Let me play **Urza's Saga** first:

mcpUrza's Saga [Land]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Good! **Urza's Saga** is on the board now and I can activate it (it has a lore counter). Let me activate **Karn, the Great Creator** to fetch an artifact or use an ability, then I'll decide what to do next. But first, let me pass and see if I should play **Manifold Key**:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Perfect! I'm done with my main phase. Let me move to combat phase:

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 73,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "I - Urza's Saga gains \"{T}: Add {C}.\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I have mana to play **Manifold Key**. Let me think strategically: **Manifold Key** costs 1 and untaps a permanent. This is good for unlocking **Grim Monolith** again or other mana sources. Let me play it:

mcpManifold Key {1} [Cast]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Great! Now I should activate **Karn, the Great Creator** to improve my board further, or I can pass. Let me pass and move to combat:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 74,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Manifold Key",
      "rules": [
        "{1}, {T}: Untap another target artifact.",
        "{3}, {T}: Target creature can't be blocked this turn."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 75,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Manifold Key",
      "rules": [
        "{1}, {T}: Untap another target artifact.",
        "{3}, {T}: Target creature can't be blocked this turn."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 14,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 2,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_action_choices()

{
  "action_pending": false
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 76,
  "stack": [
    {
      "name": "Manifold Key",
      "rules": [
        "{1}, {T}: Untap another target artifact.",
        "{3}, {T}: Target creature can't be blocked this turn."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 6
          },
          "loyalty": "6",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Excellent! I can activate **Manifold Key** now. Let me activate **Karn, the Great Creator** first (the +1 ability):

mcpKarn, the Great Creator — +1: Until your next turn, up to one target noncre...; -2: You may reveal an artifact card you own from ... [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Perfect! Let me lock down **Grim Monolith** so opponent can't use it:

mcpGrim Monolith (yours)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Good! Now let me activate **Manifold Key**'s first ability to untap something important:

mcpManifold Key — {1}, {T}: Untap another target artifact.; {3}, {T}: Target creature can't be blocked this t... [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Great! Let me untap **The One Ring** so I can use it again next turn:

mcpThe One Ring [tapped] (yours)

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "auto_passed_loop_detected",
  "warning": "Too many interactions this turn (26). Auto-passing until next turn."
}

thinkingHaiku Coach

Looks like the system auto-passed due to too many interactions. Let me check the current state:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 94,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

thinkingHaiku Coach

Good! I can see the stack has my **Karn, the Great Creator** +1 ability pending. Let me check my action choices:

thinkingHaiku Coach

The ability hasn't resolved yet. Let me pass to let it resolve:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "auto_passed_loop_detected",
  "warning": "Too many interactions this turn (27). Auto-passing until next turn."
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

The game has auto-passed me to the next turn due to excessive interactions. Let me check what turn it is:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 95,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 5
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 77,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "+1: Until your next turn, up to one target noncreature artifact becomes an artifact creature with power and toughness each equal to its mana value."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

thinkingHaiku Coach

I see - it's still turn 5, but now it's **Gem3F Libby**'s **Precombat Main**. My **Karn** ability is still on the stack targeting **Grim Monolith**. Let me wait for the opponent to respond:

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 78,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Combat",
  "priority_player": "Gem3F Libby",
  "cursor": 79,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Declare Attackers",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 4,
  "timeout": true,
  "action_pending": false
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 80,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 6
}

thinkingHaiku Coach

Good! The opponent passed and we moved on. Let me get the current state:

llm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 96,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 47,
      "life": 13
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 5
}

thinkingHaiku Coach

Perfect! My **Karn** ability resolved and **Grim Monolith** is now a 2/2 creature! Now I'm in the opponent's **Postcombat Main** phase. Let me wait for their turn to end and then see what happens next:

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 81,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

The opponent has playable cards. Let me wait for them to finish their turn:

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

The opponent is playing cards. Let me wait a bit longer:

llm

pass_priority(timeout_ms=90000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

They're still playing. Let me check the game state to see what's happening:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 97,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

thinkingHaiku Coach

Good! It's now **Turn 6** and it's my **Precombat Main**! Opponent's **Urza's Saga** has advanced to **lore counter 2**, which means their Saga ability is on the stack. I see I have priority. Let me check my action choices:

thinkingHaiku Coach

I can respond to the opponent's **Urza's Saga** ability by activating my **Grim Monolith** (now a creature!) to untap it, or use **Manifold Key**. But the opponent's ability is already on the stack, so I'm just responding in priority. Let me pass and let their ability resolve:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F LibbymcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 83,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "mana_pool": {
        "C": 1
      },
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

Gem3F Libbyllm

get_oracle_text(card_name=Dark Depths)

{
  "success": true,
  "name": "Dark Depths",
  "rules": [
    "{this} enters with ten ice counters on it.",
    "{3}: Remove an ice counter from {this}.",
    "When {this} has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible."
  ]
}

Gem3F Libbyllm

get_oracle_text(card_name=Thespian's Stage)

{
  "success": true,
  "name": "Thespian's Stage",
  "rules": [
    "{T}: Add {C}.",
    "{2}, {T}: {this} becomes a copy of target land, except it has this ability."
  ]
}

Gem3F LibbymcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F LibbymcpUrza's Saga — {2}, {T}: Create a 0/0 colorless Construct artifa... [Activate]

raw

choose_action(index=3)

{
  "success": true,
  "action_taken": "selected_3"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 85,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "mana_pool": {
        "C": 2,
        "G": 1
      },
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

Gem3F Libbyllm

get_oracle_text(card_name=Thespian's Stage)

{
  "success": true,
  "name": "Thespian's Stage",
  "rules": [
    "{T}: Add {C}.",
    "{2}, {T}: {this} becomes a copy of target land, except it has this ability."
  ]
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 85,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 3,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "mana_pool": {
        "C": 2,
        "G": 1
      },
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Urza's Saga",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond",
          "playable": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

thinkingGem3F Libby

The battlefield is a grand library, and I have just the volume to turn this story around

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I still have the same playable abilities. Let me pass and move the turn forward:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

We're now in the opponent's **Combat** phase. I can still play instant-speed abilities. Let me pass and wait for them to attack:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F LibbymcpUrza's Saga [Land]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 88,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "I - Urza's Saga gains \"{T}: Add {C}.\""
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        },
        {
          "mana_value": 1,
          "mana_cost": "{G}",
          "name": "Exploration"
        }
      ]
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Now in the opponent's **Postcombat Main**. Let me let them finish their turn:

llm

pass_priority(timeout_ms=90000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=120000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me check the current game state to see what's happening:

llm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 100,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "I - Urza's Saga gains \"{T}: Add {C}.\""
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 6
}

thinkingHaiku Coach

I see - the opponent has **two Urza's Saga** now (one with lore 2, one with lore 1). Their Saga with 2 lore counters is going to become a land next turn. I have priority in their **Postcombat Main**. Their first Saga is on the stack with its chapter I ability. Let me pass:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F LibbymcpExploration {G} [Cast]

raw

choose_action(index=3)

{
  "success": true,
  "action_taken": "selected_3"
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

The opponent is still playing. Let me wait for their turn to end:

llm

pass_priority(timeout_ms=120000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

It seems the opponent is stuck or thinking hard. Let me check the state again:

llm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 101,
  "stack": [
    {
      "name": "Exploration",
      "rules": [
        "You may play an additional land on each of your turns."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 6
}

thinkingHaiku Coach

**Exploration** is on the stack. I have priority. Let me pass again to let them continue:

llm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F LibbymcpMox Diamond {0} [Cast]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 93,
  "stack": [
    {
      "name": "Mox Diamond",
      "rules": [
        "If {this} would enter, you may discard a land card instead. If you do, put {this} onto the battlefield. If you don't, put it into its owner's graveyard.",
        "{T}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 1,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 45,
      "life": 13
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 6
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=120000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me try a quick shortcut - passing forever to get to my turn:

llm

pass_priority(timeout_ms=180000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

The opponent seems to be infinitely looping. Let me try passing all remaining priority quickly:

llm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=180000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=180000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

This is a loop. The opponent might be doing infinite turns or something. Let me send them a message:

mcpsend_chat_message

raw

send_chat_message(message=Are you okay over there? 😄 Seems like y...)

{
  "success": true
}

thinkingHaiku Coach

Let me continue attempting to pass through and get more info:

llm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbymcpsend_chat_message

raw

send_chat_message(message=Just organizing the shelves and dusting ...)

{
  "success": true
}

Haiku Coachllm

get_game_log(max_chars=1000)

{
  "cursor": 29468,
  "log": "field\n<font color='#20B2AA'>Gem3F Libby</font> casts <font color='#B0C4DE' object_id='88e78b6b-30a0-4aae-b395-755a90471d23'>Mox Diamond</font> [88e] from hand\n<font color='#20B2AA'>Gem3F Libby</font> puts <font color='#B0C4DE' object_id='88e78b6b-30a0-4aae-b395-755a90471d23'>Mox Diamond</font> [88e] from stack into their graveyard\nTURN 6 for <font color='#20B2AA'>Haiku Coach</font> (13 - 13)\n<font color='#20B2AA'>Haiku Coach</font> - Ability triggers: <font color='#B0C4DE' object_id='4a30646c-7644-467c-9007-6e6919db7fc0'>The One Ring</font> [4a3] - At the beginning of your upkeep, you lose 1 life for each burden counter on <font color='#B0C4DE' object_id='4a30646c-7644-467c-9007-6e6919db7fc0'>The One Ring</font> [4a3].\n[Chat] Haiku Coach: Are you okay over there? &#128516; Seems like you might be stuck in a loop. Let me know if you need a hand!\n[Chat] Gem3F Libby: Just organizing the shelves and dusting the covers. A library must be kept in perfect order before the next chapter begins.",
  "truncated": true,
  "total_length": 29468
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingHaiku Coach

Aha! The opponent responded with flavor text. They're being stylish about it. It's actually my **Turn 6** now! The log shows I'm in my **upkeep** and The One Ring is triggering. Let me continue:

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "recent_chat": [
    "Gem3F Libby: Just organizing the shelves and dusting the covers. A library must be kept in perfect order before the next chapter begins."
  ],
  "action_pending": true
}

thinkingHaiku Coach

Haha! Great flavor from the opponent. Now let me get to my **Precombat Main**:

thinkingHaiku Coach

Perfect! I'm in my **Precombat Main** with 5 untapped lands. I have several artifact untap abilities to choose from. Let me think strategically: 1. I want to maximize card draw with **The One Ring** 2. I have mana generators like **Grim Monolith**, **Voltaic Key**, **Candelabra**, and **Manifold Key** 3. My goal is to combo and generate value Let me activate **Voltaic Key** first to untap an artifact, then chain activations. Let me start with **Grim Monolith**'s untap for value:

mcpGrim Monolith — {4}: Untap {this}. [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Good! I now have 3C floating. Let me activate **The One Ring** to draw cards and generate value:

mcpThe One Ring — {T}: Put a burden counter on {this}, then draw a ... [Activate]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

thinkingHaiku Coach

Great! The Ring is now off the list (activated). Now let me use **Voltaic Key** to untap **Grim Monolith** again so I can tap it for more mana:

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Perfect! I'll untap **Grim Monolith**:

mcpGrim Monolith [tapped] (yours)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Excellent! Now I have **Grim Monolith** ready to tap again. Let me activate it for more mana:

mcpGrim Monolith — {4}: Untap {this}. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Good! I'm at 4C mana and 10 life (The Ring drained 2). Let me continue the combo. I'll use **Manifold Key** to untap another artifact since I have 4C:

mcpManifold Key — {1}, {T}: Untap another target artifact.; {3}, {T}: Target creature can't be blocked this t... [Activate]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

thinkingHaiku Coach

I'll untap **Voltaic Key**:

mcpVoltaic Key [tapped] (yours)

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_target_2"
}

thinkingHaiku Coach

Now I have 3C. Let me activate **Grim Monolith** again to build more mana:

mcpGrim Monolith — {4}: Untap {this}. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

I have 3C floating. Let me use **Candelabra** to untap my lands (which are currently tapped). Let me activate it to untap 3 lands:

mcpCandelabra of Tawnos — {X}, {T}: Untap X target lands. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

I'll announce X=2 (I have 3C, costs 3 to activate, so I can untap 2 lands):

mcp2

raw

choose_action(amount=2)

{
  "success": true,
  "action_taken": "amount_2"
}

thinkingHaiku Coach

I'll untap my own **Urza's Tower** and **Urza's Workshop**:

mcpUrza's Tower [tapped] (yours)

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_target_2"
}

Haiku Coachllm

choose_action(index=4)

{
  "retryable": true,
  "success": false,
  "error_code": "index_out_of_range",
  "error": "Index 4 out of range (call get_action_choices first)",
  "choices": [
    {
      "index": 0,
      "description": "Dark Depths [tapped] (Gem3F Libby's)"
    },
    {
      "index": 1,
      "description": "Thespian's Stage [tapped] (Gem3F Libby's)"
    },
    {
      "index": 2,
      "description": "Thespian's Stage [tapped] (Gem3F Libby's)"
    },
    {
      "index": 3,
      "description": "Urza's Tower [tapped] (yours)"
    },
    {
      "index": 4,
      "description": "Urza's Saga [tapped] (yours)"
    },
    {
      "index": 5,
      "description": "Urza's Saga [tapped] (Gem3F Libby's)"
    },
    {
      "index": 6,
      "description": "Urza's Saga (Gem3F Libby's)"
    },
    {
      "index": 7,
      "description": "Urza's Workshop [tapped] (yours)"
    },
    {
      "index": 8,
      "description": "Ghost Quarter (Gem3F Libby's)"
    },
    {
      "index": 9,
      "description": "Wasteland (Gem3F Libby's)"
    },
    {
      "index": 10,
      "description": "Ancient Tomb [tapped] (yours)"
    },
    {
      "index": 11,
      "description": "Yavimaya, Cradle of Growth (Gem3F Libby's)"
    }
  ]
}

thinkingHaiku Coach

Okay, the list changed. Let me select **Urza's Workshop**:

llm

choose_action(index=7)

{
  "retryable": true,
  "success": false,
  "error_code": "index_out_of_range",
  "error": "Index 7 out of range (call get_action_choices first)",
  "choices": [
    {
      "index": 0,
      "description": "Dark Depths [tapped] (Gem3F Libby's)"
    },
    {
      "index": 1,
      "description": "Thespian's Stage [tapped] (Gem3F Libby's)"
    },
    {
      "index": 2,
      "description": "Thespian's Stage [tapped] (Gem3F Libby's)"
    },
    {
      "index": 3,
      "description": "Urza's Tower [tapped] (yours)"
    },
    {
      "index": 4,
      "description": "Urza's Saga [tapped] (yours)"
    },
    {
      "index": 5,
      "description": "Urza's Saga [tapped] (Gem3F Libby's)"
    },
    {
      "index": 6,
      "description": "Urza's Saga (Gem3F Libby's)"
    },
    {
      "index": 7,
      "description": "Urza's Workshop [tapped] (yours)"
    },
    {
      "index": 8,
      "description": "Ghost Quarter (Gem3F Libby's)"
    },
    {
      "index": 9,
      "description": "Wasteland (Gem3F Libby's)"
    },
    {
      "index": 10,
      "description": "Ancient Tomb [tapped] (yours)"
    },
    {
      "index": 11,
      "description": "Yavimaya, Cradle of Growth (Gem3F Libby's)"
    }
  ]
}

thinkingHaiku Coach

Let me call get_action_choices first:

thinkingHaiku Coach

Good, now I'll select **Urza's Workshop** as my second land:

mcpUrza's Workshop [tapped] (yours)

raw

choose_action(index=7)

{
  "success": true,
  "action_taken": "selected_target_7"
}

thinkingHaiku Coach

I have only 1C left. Let me check if I have any plays or if I should move to combat:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 116,
  "stack": [
    {
      "target_count": 2,
      "name": "Ability",
      "rules": [
        "{X}, {T}: Untap X target lands."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap another target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{4}: Untap Grim Monolith."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 44,
      "mana_pool": {
        "C": 1
      },
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 6
}

thinkingHaiku Coach

Perfect! I can see the battlefield clearly: - **My board**: Karn (7 loyalty), The One Ring, multiple Eldrazi Spawn tokens, 2 Urza's Towers, Glaring Fleshraker, various artifacts - **Opponent**: Dark Depths with 10 ice counters, 2 Thespian's Stages, Explorations, etc. - **My hand**: Ancient Tomb, Planar Nexus I have 1C mana and 2 untapped spawn tokens to sacrifice for more mana if needed. With only 1C, I can't do much more this turn. Let me pass priority and move to combat to attack with my creatures:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 96,
  "stack": [
    {
      "target_count": 2,
      "name": "Ability",
      "rules": [
        "{X}, {T}: Untap X target lands."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap another target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{4}: Untap Grim Monolith."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 44,
      "mana_pool": {
        "C": 1
      },
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 97,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap another target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{4}: Untap Grim Monolith."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 44,
      "mana_pool": {
        "C": 1
      },
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 1,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "recent_chat": [
    "[System] Spell cancelled — not enough mana to complete payment."
  ],
  "action_pending": true
}

thinkingHaiku Coach

Interesting! The system says I have playable cards. Let me see what I can do:

thinkingHaiku Coach

Ah! I have untapped lands now (Urza's Tower and Workshop). I can activate **Voltaic Key** for {1} colorless. But wait—Voltaic Key is tapped. Let me reconsider. I could sacrifice an Eldrazi Spawn for more mana, or try to use my available resources strategically. Actually, looking at this, I should move to combat since my mana is limited. Let me pass and get to combat phase:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 98,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "{4}: Untap Grim Monolith."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 44,
      "mana_pool": {
        "C": 1
      },
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Wait, I'm still in main phase with playable cards. Actually, I should think strategically here. Let me check my game state again to understand my options: The issue is that Voltaic Key is tapped, so I can't activate it. Let me just pass and move to combat:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 99,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 44,
      "mana_pool": {
        "C": 1
      },
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I see the issue—Voltaic Key shows as an option but it's tapped. The game is showing me it's playable, but the description shows it needs to tap. Let me look at my hand more carefully. I have **Ancient Tomb** and **Planar Nexus** lands. I should try playing one:

llm

pass_priority(timeout_ms=5000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me get the full action choices to see if I can cast my lands:

thinkingHaiku Coach

The system is only showing Voltaic Key as playable. Let me try to activate it to untap another artifact and generate more mana through the combo loop. I'll untap Grim Monolith:

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Good! I'll untap **Grim Monolith** (index 0):

mcpGrim Monolith (yours)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

Now let me pass and move to combat phase to attack with my creatures:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "auto_passed_loop_detected",
  "warning": "Too many interactions this turn (26). Auto-passing until next turn."
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 100,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 44,
      "mana_pool": {
        "C": 1
      },
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Interesting—I hit an interaction limit! The system is auto-passing until the next turn. Let me wait for combat to resolve:

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 101,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "{T}: Put a burden counter on The One Ring, then draw a card for each burden counter on The One Ring."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 1
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 44,
      "mana_pool": {
        "C": 1
      },
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 102,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "mana_pool": {
        "C": 1
      },
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 103,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "mana_pool": {
        "C": 1
      },
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Combat",
  "priority_player": "Gem3F Libby",
  "cursor": 104,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Declare Attackers",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 105,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 1
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 46,
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 6,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

The turn passed. Let me check the current game state:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 122,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 45,
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Good! It's now **Turn 7** and it's my opponent's **Precombat Main**. I drew cards—my hand now has Ancient Tomb, Planar Nexus, **Kozilek's Command**, and **Glaring Fleshraker**. I can see the opponent has 10 ice counters on Dark Depths still. Let me wait for their turn to end and get back to my turn for combat. Let me pass:

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 106,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 45,
      "life": 13,
      "hand": [
        {
          "mana_value": 2,
          "mana_cost": "{1}{G}",
          "name": "Once Upon a Time",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F Libbyllm

get_oracle_text(object_ids=[0,1])

{
  "cards": [
    {
      "error": "invalid UUID format",
      "object_id": "0"
    },
    {
      "error": "invalid UUID format",
      "object_id": "1"
    }
  ],
  "success": true
}

Gem3F LibbymcpAbility

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

Gem3F LibbymcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 108,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "II - Urza's Saga gains \"{2}, {T}: Create a 0/0 colorless Construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'\""
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 45,
      "mana_pool": {
        "G": 1
      },
      "life": 13,
      "hand": [
        {
          "mana_value": 2,
          "mana_cost": "{1}{G}",
          "name": "Once Upon a Time",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

The opponent is still in their Precombat Main—I can respond with instants. I have **Kozilek's Command** in hand. But wait, that's during their turn, so I should wait for their turn to pass. Let me just pass priority:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 109,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 45,
      "mana_pool": {
        "G": 1
      },
      "life": 13,
      "hand": [
        {
          "mana_value": 2,
          "mana_cost": "{1}{G}",
          "name": "Once Upon a Time",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpUrza's Saga — {2}, {T}: Create a 0/0 colorless Construct artifa... [Activate]

raw

choose_action(index=3)

{
  "success": true,
  "action_taken": "selected_3"
}

Gem3F LibbymcpUrza's Saga — {2}, {T}: Create a 0/0 colorless Construct artifa... [Activate]

raw

choose_action(index=3)

{
  "success": true,
  "action_taken": "selected_3"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 111,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 45,
      "mana_pool": {
        "G": 3
      },
      "life": 13,
      "hand": [
        {
          "mana_value": 2,
          "mana_cost": "{1}{G}",
          "name": "Once Upon a Time",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I see Grim Monolith can be activated during their turn. Let me just keep passing to let their turn end and get to my main phase:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 111,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 45,
      "mana_pool": {
        "G": 3
      },
      "life": 13,
      "hand": [
        {
          "mana_value": 2,
          "mana_cost": "{1}{G}",
          "name": "Once Upon a Time",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F LibbymcpPithing Needle

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_target_1"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

The opponent's turn should be ending. Let me check the game state:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 125,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 45,
      "mana_pool": {
        "G": 3
      },
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

I see there's an ability on the stack—one of the opponent's Urza's Sagas is fetching an artifact (Thespian's Stage is tapped). They're searching for an artifact with mana cost 0 or 1. The opponent has priority. Let me pass priority and wait for their activity to resolve:

Gem3F LibbymcpPass

raw

choose_action(text=The One Ring)

{
  "success": true,
  "action_taken": "selected_choice_text_The One Ring"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

thinkingHaiku Coach

Let me check the updated game state:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 126,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Oh no! The opponent got **Pithing Needle** and likely named Karn! That's a key threat to my strategy. They also have multiple Explorations and are getting closer to assembling threats. The ice counters on Dark Depths are still at 10 though. Let me continue and pass to get my turn:

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 112,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13,
      "hand": [
        {
          "mana_value": 2,
          "mana_cost": "{1}{G}",
          "name": "Once Upon a Time",
          "playable": true
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 126,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Still their turn. Let me auto-pass more aggressively to get to my turn:

Gem3F LibbymcpOnce Upon a Time {1}{G} [Cast]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

Haiku Coachllm

pass_priority(timeout_ms=5000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 127,
  "stack": [
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

The opponent cast **Once Upon a Time** for free (first spell of the game). They have no cards in hand now. Let me wait for this to resolve and get to my turn. I'll just pass priority:

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 127,
  "stack": [
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

The spell is still waiting. Opponent is probably deciding what to pick. Let me wait a bit more:

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 113,
  "stack": [
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 127,
  "stack": [
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 2,
          "mana_cost": "{X}{C}{C}",
          "name": "Kozilek's Command"
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

The spell is still on the stack waiting for the opponent to finish resolving it. Let me save my strategy and then continue monitoring:

llm

save_strategy(text=CRITICAL UPDATE: Opponent has Pithing Ne...)

{
  "saved": true,
  "chars": 384
}

thinkingHaiku Coach

Let me wait a bit more and try again:

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Good! Now it's my turn to respond. Let me get the action choices:

thinkingHaiku Coach

I can play **Kozilek's Command** now during their main phase (as an instant). This is a key moment—I should cast it while I have mana available. Let me play Kozilek's Command (index 1):

mcpKozilek's Command {X}{C}{C} [Cast]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

I need to choose X. With my Eldrazi Spawn tokens I can generate mana. Let me set X to something reasonable. Since I need to kill them at 13 life, I should maximize damage. Let me set X = 2:

mcp2

raw

choose_action(amount=2)

{
  "success": true,
  "action_taken": "amount_2"
}

thinkingHaiku Coach

I want to create tokens for myself, so I'll pick Haiku Coach (me):

mcpHaiku Coach (you)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

I'll scry myself (Haiku Coach at index 0):

mcpHaiku Coach (you)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Now I can pass and let the opponent finish resolving their Once Upon a Time. Let me pass:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 114,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "target_count": 2,
      "name": "Kozilek's Command",
      "rules": [
        "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>",
        "<span color='green'><i>Chosen mode: target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"</i></span>",
        "<span color='green'><i>Chosen mode: target player scries X, then draws a card.</i></span>"
      ]
    },
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 134,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "target_count": 2,
      "name": "Kozilek's Command",
      "rules": [
        "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>",
        "<span color='green'><i>Chosen mode: target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"</i></span>",
        "<span color='green'><i>Chosen mode: target player scries X, then draws a card.</i></span>"
      ]
    },
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Good! I created 2 more Eldrazi Spawn tokens (I now have 7 total on field). The stack shows my Kozilek's Command is resolving with Glaring Fleshraker's triggered ability pending. The Once Upon a Time is still on the stack waiting for the opponent to resolve it. Let me continue passing priority:

llm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 115,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "target_count": 2,
      "name": "Kozilek's Command",
      "rules": [
        "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>",
        "<span color='green'><i>Chosen mode: target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"</i></span>",
        "<span color='green'><i>Chosen mode: target player scries X, then draws a card.</i></span>"
      ]
    },
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 134,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "target_count": 2,
      "name": "Kozilek's Command",
      "rules": [
        "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>",
        "<span color='green'><i>Chosen mode: target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"</i></span>",
        "<span color='green'><i>Chosen mode: target player scries X, then draws a card.</i></span>"
      ]
    },
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 13
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

The stack is still there. The opponent is still resolving Once Upon a Time. Let me continue waiting for them to finish and for priority to return to me:

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Great! It's my turn now. Let me see what I can play:

thinkingHaiku Coach

I only have Grim Monolith to activate right now. But I don't see my main phase options. Let me pass and see if I get to my main phase:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 136,
  "stack": [
    {
      "target_count": 2,
      "name": "Kozilek's Command",
      "rules": [
        "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>",
        "<span color='green'><i>Chosen mode: target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"</i></span>",
        "<span color='green'><i>Chosen mode: target player scries X, then draws a card.</i></span>"
      ]
    },
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 12
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 116,
  "stack": [
    {
      "target_count": 2,
      "name": "Kozilek's Command",
      "rules": [
        "Choose two &mdash;<br>&bull Target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"<br>&bull Target player scries X, then draws a card.<br>&bull Exile target creature with mana value X or less.<br>&bull Exile up to X target cards from graveyards.<br>",
        "<span color='green'><i>Chosen mode: target player creates X 0/1 colorless Eldrazi Spawn creature tokens with \"Sacrifice this token: Add {C}.\"</i></span>",
        "<span color='green'><i>Chosen mode: target player scries X, then draws a card.</i></span>"
      ]
    },
    {
      "name": "Once Upon a Time",
      "rules": [
        "If this spell is the first spell you've cast this game, you may cast it without paying its mana cost.",
        "Look at the top five cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": true,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 42,
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "mana_pool": {
        "G": 3
      },
      "life": 12,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

I see the opponent is now at 12 life (down from 13). The stack still has the two spells. Opponent still has priority. Let me continue passing:

llm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I'll pass and let the opponent continue their turn:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=20000)

{
  "actions_passed": 8,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Good! Priority passed back to me with playable cards. Let me see what I can do now:

thinkingHaiku Coach

Great! I can see the opponent is now at 10 life (down from 12!). We're at Turn 7 Beginning/Upkeep. I have untapped lands and playable abilities. But wait—it's my UPKEEP now, not my main phase. I should wait for my main phase to play my Glaring Fleshraker and lands. Let me pass:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Gem3F Libby",
  "cursor": 139,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 41,
      "life": 10,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Lotus Petal"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 10
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 7
}

thinkingHaiku Coach

Perfect! I'm now at MY upkeep (turn 7, beginning). I can see: - I have 9 Eldrazi Spawn tokens now (with more Kozilek's Command copies) - I drew Lotus Petal and my hand is 4 cards - Opponent is at 10 life with me at 10 life as well - The One Ring has a burden counter triggering The opponent's Pithing Needle is on the field still. Now I need to wait for my main phase. Let me pass through upkeep:

Gem3F Libbyllm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Gem3F Libby",
  "cursor": 117,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 41,
      "life": 10
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 10,
      "hand": []
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 8
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Wait, I'm at 8hp now (took 2 damage from The One Ring burden counter during my upkeep). But I notice I'm at my MAIN PHASE now! And I see I can play lands. I have Ancient Tomb, Planar Nexus, and a Glaring Fleshraker in hand. But I don't see the spell cards listed. Let me ask for a full list including spells I can cast: This seems odd - the response should include my spell cards if I can cast them. Let me check my mana and hand. I have 5 untapped lands and Lotus Petal. Let me try to play a land first. I'll pass for now and see if there's a different interface for casting spells:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "action_type": "GAME_TARGET",
  "action_pending": true
}

thinkingHaiku Coach

There's a target action pending. Let me see what I need to target:

thinkingHaiku Coach

This is asking me to target an artifact. But I want to play lands and Glaring Fleshraker. Let me cancel this and start fresh:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "cancelled"
}

thinkingHaiku Coach

Perfect! Now I can see all my options! I need to build a plan: **Current situation:** - I'm at 8 hp (took burden damage) - Opponent at 10 hp - I have 9 Eldrazi Spawn tokens (mana production) - I need to win ASAP before opponent gets lethal **My options:** 1. Play lands (Ancient Tomb, Planar Nexus) - gets me to 3 land drops 2. Cast Glaring Fleshraker {2}{C} - creates 2/2 attackers every turn 3. Cast Lotus Petal {0} - free mana 4. Activate abilities to generate more resources **Strategy:** I should: 1. Cast Lotus Petal (free, generates blue/red/black/white mana) 2. Play lands (use all my land drops) 3. Cast Glaring Fleshraker 4. Build up attackers for combat Let me start by casting Lotus Petal:

mcpLotus Petal {0} [Cast]

raw

choose_action(index=5)

{
  "success": true,
  "action_taken": "selected_5"
}

thinkingHaiku Coach

Good! Now I need to play lands and cast Glaring Fleshraker. Let me pass and wait for the main phase options again:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

get_action_choices()

{
  "action_pending": false
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 119,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 8
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 10,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

It seems like I still can't see the land and spell options. The interface seems to have shifted to only showing instants/activated abilities. Let me try tapping a mana source to get floating mana first. Let me activate Voltaic Key to untap an artifact:

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

I'll untap Grim Monolith to get mana generation:

mcpGrim Monolith [tapped] (yours)

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingHaiku Coach

The Voltaic Key tapped but I still don't see land/spell options. Let me try a different approach - let me activate Grim Monolith:

mcpGrim Monolith — {4}: Untap {this}. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

I'm down to 6 hp now! I'm taking damage each action. Let me pass and try to get to combat to attack for lethal. This long activation sequence is hurting me. Let me pass:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 120,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "{4}: Untap Grim Monolith."
      ]
    },
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 10,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me pass and move to combat:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 121,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 10,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 151,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "{1}, {T}: Untap target artifact."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 3,
          "mana_cost": "{2}{C}",
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 10
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Excellent! I can see the real game state now: - I have **Glaring Fleshraker** on the battlefield already (2/2)! - I have **9 Eldrazi Spawn tokens** (one with summoning sickness) - I'm at 6 hp with opponent at 10 hp - I have Glaring Fleshraker in hand still (cast a spell to another one maybe, or I already have one out) Wait, there's a stack with my Voltaic Key activation still pending! Let me check my combat options. First let me pass and see what happens:

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

I'm stuck in a mana/activation loop. Let me just pass to move to combat where I can attack:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 122,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": false,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 10,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Opponent is now at 9 hp (down from 10). I'm being damaged on The One Ring still. Let me pass through everything and get to combat:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Great! Now I see my playable spells. I can see I have: - Glaring Fleshraker in hand (index 1) - Two lands (index 0, 4) - Manifold Key (index 2) Since I'm at 6 hp and opponent at 9 hp, I need to attack for 9 damage or bust. Let me play Glaring Fleshraker to get another creature:

mcpGlaring Fleshraker {2}{C} 2/2 [Creature]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingHaiku Coach

Good! Glaring Fleshraker cast and now I have more creatures. Now let me pass and move to combat:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "auto_passed_loop_detected",
  "warning": "Too many interactions this turn (26). Auto-passing until next turn."
}

thinkingHaiku Coach

Perfect! The game auto-passed me to combat. Let me see what my combat options are:

llm

get_action_choices()

{
  "action_pending": false
}

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

thinkingGem3F Libby

After you have new action choices, call get_action_choices then choose_action. All cards in get_action_choices are playable. Play with index=N, pass with answer=false. Use send_chat_message to comment on the cards or board. Wait for get_action_choices before choose_action. Keep an eye on life totals: Haiku Coach: 6hp, Gem3F Libby: 9hp. Gem3F Libby has 0 cards in hand. Strategy notes: My opponent has a Glaring Fleshraker and many Eldrazi Spawn. I need to be careful of the direct damage when they cast colorless spells. My Thespian's Stages and Dark Depths are on the field, but currently tapped or waiting. I have no cards in hand, so I'm relying on my board.

llm

pass_priority()

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 157,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Glaring Fleshraker",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
        "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 9
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

I'm still in Precombat Main! The stack hasn't resolved yet. I have another new Glaring Fleshraker spawning tokens and dealing damage. Let me wait for the stack to resolve:

thinkingGem3F Libby

Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to

Haiku Coachllm

pass_priority(timeout_ms=15000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F Libbyllm

pass_priority()

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 157,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Glaring Fleshraker",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
        "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 9
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

The stack is still there waiting for opponent to pass. Let me try to get action choices:

llm

get_action_choices()

{
  "action_pending": false
}

Haiku Coachllm

default_action()

{
  "success": false,
  "error": "No pending action"
}

thinkingHaiku Coach

The stack is pending opponent priority. Let me wait longer:

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 157,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Glaring Fleshraker",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
        "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 9
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Opponent is taking a while. The stack is still on the second Glaring Fleshraker ability (opponent likely deciding if they need to respond). Let me get recent chat to see if anything's happening:

llm

get_game_log(max_chars=500)

{
  "cursor": 42982,
  "log": "al</font> [df0] from stack onto the Battlefield\n<font color='#20B2AA'>Haiku Coach</font> casts <font color='#B0C4DE' object_id='26f8b3b4-33a0-4589-8606-3b439cc469e9'>Glaring Fleshraker</font> [26f] from hand\n<font color='#20B2AA'>Haiku Coach</font> - Ability triggers: <font color='#B0C4DE' object_id='479e3194-31de-46b8-a5b8-c8fbf2b98a79'>Glaring Fleshraker</font> [479] - Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
  "truncated": true,
  "total_length": 42982
}

thinkingHaiku Coach

Let me try passing again and waiting for the stack to resolve:

thinkingGem3F Libby

After you have new action choices, call get_action_choices then choose_action. All cards in get_action_choices are playable. Play with index=N, pass with answer=false. Use send_chat_message to comment on the cards or board. Strategy notes: My opponent has a Glaring Fleshraker and many Eldrazi Spawn. I need to be careful of the direct damage when they cast colorless spells. My Thespian's Stages and Dark Depths are on the field, but currently tapped or waiting. I have no cards in hand, so I'm relying on my board.

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 124,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Glaring Fleshraker",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
        "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 9,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingGem3F Libby

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F Libbyllm

pass_priority()

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 157,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Glaring Fleshraker",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
        "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 9
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Still waiting on opponent. Let me send a chat to encourage my team:

mcpsend_chat_message

raw

send_chat_message(message=Come on creatures, let's go! Getting clo...)

{
  "success": true
}

llmGem3F Libby stalled (20 turns without progress)

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "recent_chat": [
    "Haiku Coach: Come on creatures, let&#39;s go! Getting close to lethal!"
  ],
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 125,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Glaring Fleshraker",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
        "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 9,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingGem3F Libby

After you have new action choices, call get_action_choices then choose_action. Refer to cards as books. Reference card flavor. Wait for get_action_choices before choose_action. Keep an eye on life total

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingGem3F Libby

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 2,
  "recent_chat": [
    "Gem3F Libby: Brain freeze! Auto-passing until next turn..."
  ],
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 158,
  "stack": [
    {
      "name": "Glaring Fleshraker",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
        "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": true,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 2
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 44,
      "life": 8
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 7
}

thinkingHaiku Coach

Great! Progress! Opponent is at 8 hp now (was 9). I created another spawn token. One more ability to resolve and then we move to combat. Let me wait for the Glaring Fleshraker's second trigger to resolve:

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingGem3F Libby

Continue playing. Call pass_priority. After you have new action choices, call get_action_choices then choose_action. Refer to cards as books. Reference card flavor. Wait for get_action_choices before choose_action. Keep an eye on life total

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingGem3F Libby

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 3,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_log(max_chars=1000)

{
  "cursor": 45244,
  "log": "[26f] from stack onto the Battlefield\n<font color='#20B2AA'>Haiku Coach</font> - Ability triggers: <font color='#B0C4DE' object_id='479e3194-31de-46b8-a5b8-c8fbf2b98a79'>Glaring Fleshraker</font> [479] - Whenever another colorless creature you control enters, <font color='#B0C4DE' object_id='479e3194-31de-46b8-a5b8-c8fbf2b98a79'>Glaring Fleshraker</font> [479] deals 1 damage to each opponent.\n<font color='#20B2AA'>Gem3F Libby</font> loses 1 life from <font color='#B0C4DE' object_id='479e3194-31de-46b8-a5b8-c8fbf2b98a79'>Glaring Fleshraker</font> [479]\n<font color='#20B2AA'>Haiku Coach</font> skip attack\nTURN 8 for <font color='#20B2AA'>Gem3F Libby</font> (6 - 7)\n<font color='#20B2AA'>Gem3F Libby</font> draws a card\n<font color='#20B2AA'>Gem3F Libby</font> - Ability triggers: <font color='#B0C4DE' object_id='79444911-8193-440a-bff6-15fc5873f64c'>Urza's Saga</font> [794] - III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.",
  "truncated": true,
  "total_length": 45244
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 126,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 43,
      "life": 7,
      "hand": [
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Mox Diamond"
        }
      ]
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 5,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 159,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 43,
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Good! It's now **TURN 8** and opponent is active! - My second Glaring Fleshraker entered and dealt 1 damage (opponent went from 9→8→7) - Opponent's turn now: Urza's Saga triggered (III lore counter ability) - It's Precombat Main on opponent's turn Let me just pass and wait for opponent to finish, then we'll get to combat:

thinkingGem3F Libby

mcpUrza's Saga — {2}, {T}: Create a 0/0 colorless Construct artifa... [Activate]

raw

choose_action(index=3)

{
  "success": true,
  "action_taken": "selected_3"
}

thinkingGem3F Libby

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Opponent has choices. Let me wait more:

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

thinkingHaiku Coach

Let me just pass a lot more:

llm

pass_priority(timeout_ms=120000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Opponent seems to be taking a very long time. Let me check the game log to see what's happening:

llm

get_game_log(max_chars=1000)

{
  "cursor": 44951,
  "log": "[26f] from stack onto the Battlefield\n<font color='#20B2AA'>Haiku Coach</font> - Ability triggers: <font color='#B0C4DE' object_id='479e3194-31de-46b8-a5b8-c8fbf2b98a79'>Glaring Fleshraker</font> [479] - Whenever another colorless creature you control enters, <font color='#B0C4DE' object_id='479e3194-31de-46b8-a5b8-c8fbf2b98a79'>Glaring Fleshraker</font> [479] deals 1 damage to each opponent.\n<font color='#20B2AA'>Gem3F Libby</font> loses 1 life from <font color='#B0C4DE' object_id='479e3194-31de-46b8-a5b8-c8fbf2b98a79'>Glaring Fleshraker</font> [479]\n<font color='#20B2AA'>Haiku Coach</font> skip attack\nTURN 7 for <font color='#20B2AA'>Gem3F Libby</font> (6 - 7)\n<font color='#20B2AA'>Gem3F Libby</font> draws a card\n<font color='#20B2AA'>Gem3F Libby</font> - Ability triggers: <font color='#B0C4DE' object_id='79444911-8193-440a-bff6-15fc5873f64c'>Urza's Saga</font> [794] - III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle.",
  "truncated": true,
  "total_length": 44951
}

thinkingHaiku Coach

Opponent is searching their library. They must be deciding what artifact to grab. Let me just wait more patiently for them to complete:

llm

pass_priority(timeout_ms=180000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 160,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 43,
      "mana_pool": {
        "G": 1
      },
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Priority is now on me. Opponent is still deciding. Let me send them a casual message and then wait for their Urza's Saga ability to resolve:

mcpsend_chat_message

raw

send_chat_message(message=No pressure, take your time! Good luck w...)

{
  "success": true
}

Haiku Coachllm

pass_priority(timeout_ms=180000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 160,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "III - Search your library for an artifact card with mana cost {0} or {1}, put it onto the battlefield, then shuffle."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": true,
          "counters": {
            "lore": 3
          },
          "name": "Urza's Saga"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 43,
      "mana_pool": {
        "G": 1
      },
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

The state is still showing they're searching. They probably alt-tabbed or are taking their time. I'm at priority and they have actions pending. Since the game is still waiting, let me try calling pass_priority with a very long timeout to see if opponent times out eventually. Actually, since we're waiting on them and I'm at priority, I can simply keep going. Let me see if I can get action choices:

thinkingHaiku Coach

I can play instant abilities, but those won't help now. Opponent's Urza's Saga ability is still on the stack. I should just pass and wait for them to finish their search:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "action_type": "GAME_TARGET",
  "recent_chat": [
    "Haiku Coach: No pressure, take your time! Good luck with that search."
  ],
  "action_pending": true
}

thinkingGem3F Libby

mcpLavaspur Boots

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_target_0"
}

thinkingGem3F Libby

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpsend_chat_message

raw

send_chat_message(message="He who has the fastest boots wins the r...)

{
  "success": true
}

Gem3F LibbymcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingGem3F Libby

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpThespian's Stage — {2}, {T}: {this} becomes a copy of target land, e... [Activate]

raw

choose_action(index=1)

{
  "success": true,
  "action_taken": "selected_1"
}

thinkingGem3F Libby

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=300000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "recent_chat": [
    "Gem3F Libby: &quot;He who has the fastest boots wins the race.&quot; &mdash; Gnomish proverb. Let us see if these Lavaspur Boots find a worthy wearer in our archive."
  ],
  "action_pending": true
}

thinkingHaiku Coach

Ha! Opponent found their card. They're going for Lavaspur Boots. Let me wait for them to finish and for the turn to move forward:

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 161,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "mana_pool": {
        "C": 2,
        "G": 1
      },
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingGem3F Libby

thinkingHaiku Coach

Good! Stack is clear and I'm at priority. They got **Lavaspur Boots** on the battlefield. Still their turn in Precombat Main. Let me pass to see what they do:

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

They can still do stuff. Let me wait more:

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=120000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me check the game state to see if they've moved to combat or what:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 161,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "mana_pool": {
        "C": 2,
        "G": 1
      },
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Still at Precombat Main on opponent's turn with priority on me. They're probably not playing anything else, just deciding when to move to combat. Let me pass priority again and wait for them to move to combat:

llm

pass_priority(timeout_ms=180000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Opponent seems to be AFK or very slow. Let me try calling get_action_choices to see what I should be seeing:

thinkingHaiku Coach

It's still their turn (opponent is active player). I have instant abilities I could activate but nothing useful right now. I should just pass and wait for them to move to combat. Let me pass priority one more time:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=300000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

thinkingHaiku Coach

The game is waiting on them to do something or move to combat. Let me try a shorter timeout and see if combat starts:

llm

pass_priority(timeout_ms=5000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

They're definitely stuck or idle. Let me wait one more very long time and then report back. Actually, let me check the game log to see what's happening:

llm

get_game_log(max_chars=500)

{
  "cursor": 46026,
  "log": " library is shuffled (source: <font color='#B0C4DE' object_id='79444911-8193-440a-bff6-15fc5873f64c'>Urza's Saga</font> [794])\n<font color='#20B2AA'>Gem3F Libby</font> sacrificed <font color='#B0C4DE' object_id='79444911-8193-440a-bff6-15fc5873f64c'>Urza's Saga</font> [794]\n[Chat] Gem3F Libby: &quot;He who has the fastest boots wins the race.&quot; &mdash; Gnomish proverb. Let us see if these Lavaspur Boots find a worthy wearer in our archive.\n<font color='#20B2AA'>Gem3F Libby</font> skip attack",
  "truncated": true,
  "total_length": 46026
}

thinkingHaiku Coach

Ah! "skip attack" - they've decided not to attack! They're moving to their combat phase and deciding not to attack. That's interesting. Let me wait for combat to resolve and move to my turn:

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Combat",
  "priority_player": "Haiku Coach",
  "cursor": 162,
  "stack": [],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7
    }
  ],
  "available": true,
  "step": "Declare Attackers",
  "turn": 8
}

thinkingHaiku Coach

Good! We're in **Combat** now. But it's the opponent's combat (they're the active player). They decided to skip attacking (attack phase is happening but with no attacks declared). Now I'm at priority during their combat. Let me pass so it moves to end of combat and then their postcombat main:

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=120000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

They're not attacking, so combat should resolve. Let me see if I can move us forward by passing:

thinkingHaiku Coach

They're in Declare Attackers phase. I should pass so they can move through combat:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpMox Diamond {0} [Cast]

raw

choose_action(index=2)

{
  "success": true,
  "action_taken": "selected_2"
}

thinkingGem3F Libby

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Gem3F Libbyllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 133,
  "stack": [
    {
      "name": "Mox Diamond",
      "rules": [
        "If {this} would enter, you may discard a land card instead. If you do, put {this} onto the battlefield. If you don't, put it into its owner's graveyard.",
        "{T}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7,
      "hand": []
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 8
}

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "auto_passed_loop_detected",
  "warning": "Too many interactions this turn (26). Auto-passing until next turn."
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Postcombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 163,
  "stack": [
    {
      "name": "Mox Diamond",
      "rules": [
        "If {this} would enter, you may discard a land card instead. If you do, put {this} onto the battlefield. If you don't, put it into its owner's graveyard.",
        "{T}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Gem3F Libby",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": true,
          "name": "Voltaic Key"
        },
        {
          "tapped": true,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": true,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "summoning_sickness": true,
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7
    }
  ],
  "available": true,
  "step": "Postcombat Main",
  "turn": 8
}

thinkingGem3F Libby

thinkingHaiku Coach

Good! We're at **Postcombat Main** now on opponent's turn. But there's a Mox Diamond on the stack — that's odd. They must have played it but there's a choice to make (discard a land or it goes to graveyard). The opponent has 0 cards in hand now, so they must have just cast/played something. Let me wait for them to resolve that:

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

They're probably stuck choosing whether to discard a land for Mox Diamond. Let me wait longer:

llm

pass_priority(timeout_ms=180000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Still waiting. They might be AFK. Let me wait one more very long time and check status:

llm

pass_priority(timeout_ms=300000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

They're definitely afk or timing out. My optimal move here is to wait them out since the clock is ticking on their time. Once they time out or make a decision, I'll continue playing. Let me make a note that I'm waiting on opponent: **Status Update:** - Currently on Turn 8, opponent's Postcombat Main - Opponent has a Mox Diamond ETB choice pending (stack has the card) - Opponent has 0 cards in hand but still has 7 life - I have 6 life, lots of mana production (5 Eldrazi Spawn tokens) - Critical threat: Dark Depths still has 10 ice counters - They got Lavaspur Boots from Urza's Saga and chose not to attack this turn - Karn is still locked by Pithing Needle I'm waiting on them to resolve their play. Once they do and it becomes my turn, I can execute my game plan. Let me pass priority one more time with a moderate timeout:

llm

pass_priority(timeout_ms=120000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Still waiting. They appear to be idle. Let me send a friendly message:

mcpsend_chat_message

raw

send_chat_message(message=Take your time! Just waiting on that Mox...)

{
  "success": true
}

Haiku Coachllm

pass_priority(timeout_ms=120000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Let me try one final long timeout to see if they come back:

llm

pass_priority(timeout_ms=600000)

{
  "actions_passed": 2,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Good! Passes were made (actions_passed=2). Opponent may have timed out on their turn action. Let me check the game state:

llm

get_game_state()

{
  "phase": "Beginning",
  "priority_player": "Haiku Coach",
  "cursor": 164,
  "stack": [
    {
      "target_count": 1,
      "name": "Ability",
      "rules": [
        "At the beginning of your upkeep, you lose 1 life for each burden counter on The One Ring."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 40,
      "life": 6,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7
    }
  ],
  "available": true,
  "step": "Upkeep",
  "turn": 8
}

thinkingHaiku Coach

**EXCELLENT!** It's now **MY TURN 9** (Beginning phase, Upkeep). I see: - One Mox Diamond in opponent's graveyard (they chose not to keep it or it was discarded) - **The One Ring has 2 burden counters** — I'm about to lose 2 life in my upkeep - Still at 6 life currently - All my Eldrazi Spawn tokens and artifacts are ready - 2 Glaring Fleshrakers on field (one with summoning sickness, one without) - All my lands are untapped There's an ability on the stack (The One Ring upkeep trigger). Let me handle this upkeep and then I'll execute my winning strategy. Let me get action choices:

thinkingHaiku Coach

Good! I'm at upkeep. The One Ring ability is pending (will cause 2 damage). I have instant speed options to make. Let me just pass through upkeep for now and let the damage resolve:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 1,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "recent_chat": [
    "Haiku Coach: Take your time! Just waiting on that Mox Diamond choice if you&#39;re there."
  ],
  "action_pending": true
}

thinkingGem3F Libby

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 165,
  "stack": [],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 4,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true,
          "playable": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key",
          "playable": true
        },
        {
          "mana_value": 0,
          "mana_cost": "{0}",
          "name": "Lotus Petal",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Perfect! Now I'm at **MY PRECOMBAT MAIN on Turn 9**. I lost 2 life (now at 4 hp). Key facts: - **I'm at 4 hp** - need to win SOON - **Opponent at 7 hp** - can't race forever - I have 4 new cards in hand (Ancient Tomb, Planar Nexus, Manifold Key, Lotus Petal) - My deck draws from the 39 card library left - I have ALL my mana production intact: Grim Monolith, Two Towers, Workshop, 8 Eldrazi Spawn tokens, Lotus Petal, Voltaic Key, Candelabra, Manifold Key - **I have 2 Glaring Fleshrakers** (one with summoning sickness, one ready to attack) - Opponent has: Dark Depths (10 ice), Pithing Needle (locking Karn), Lavaspur Boots, 2 Thespian's Stages (both tapped) **My Strategy:** I need to go all-in on damage. Glaring Fleshraker is my best attacker (2/2). I can generate tons of mana and use Glaring Fleshraker to create more creature tokens to attack. Let me check action choices:

thinkingHaiku Coach

Excellent! I have many options. Let me think about the best sequence: My goal: Generate as much mana as possible, then use Glaring Fleshraker to pump out creature tokens and attack. **Let me check my hand**: Ancient Tomb, Planar Nexus, Manifold Key, Lotus Petal **Best play sequence:** 1. Play a land (Ancient Tomb or Planar Nexus) 2. Play Lotus Petal for free mana (0 cost) 3. Use Grim Monolith to untap for more mana 4. Activate Glaring Fleshraker to create tokens 5. Attack with all tokens + Fleshraker Actually, wait. I need to check if I can cast Glaring Fleshraker from hand or if it's already on battlefield. Let me reread the game state... Yes, I have 2 Glaring Fleshrakers already on battlefield. One has summoning sickness (just came down), one is ready. The one without summoning sickness can't be activated yet. Actually, looking back at the game state, Glaring Fleshraker says "power 2, toughness 2" but doesn't show an activation. Let me verify its actual ability:

llm

get_oracle_text(card_name=Glaring Fleshraker)

{
  "success": true,
  "name": "Glaring Fleshraker",
  "rules": [
    "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\"",
    "Whenever another colorless creature you control enters, {this} deals 1 damage to each opponent."
  ]
}

thinkingHaiku Coach

Ah! So Glaring Fleshraker has **two triggered abilities**: 1. **Whenever I cast a colorless spell** → create Eldrazi Spawn token 2. **Whenever another colorless creature enters** → 1 damage to each opponent So I need to cast colorless spells or play colorless creatures to trigger Fleshraker! This changes things. I have many colorless creatures/spells available: - **Lotus Petal** (0 cost artifact) → colorless spell → triggers Fleshraker - **Grim Monolith** (artifact) → colorless - **Candelabra of Tawnos** (artifact) → colorless - **Manifold Key** (artifact) → colorless - **Voltaic Key** (artifact) → colorless - **Eldrazi Spawn tokens** → colorless creatures Actually, wait. Let me think about this more carefully. Artifacts are colorless. When I **cast** an artifact, Fleshraker triggers. And when Eldrazi Spawn (colorless creatures) enter, Fleshraker also triggers. **Optimal play:** 1. Play Lotus Petal (artifact cast) → Fleshraker creates Spawn token → Spawn entering triggers Fleshraker for 1 damage → opponent takes 1 damage 2. Play Planar Nexus (land) → no trigger 3. Play Manifold Key (artifact) → triggers Fleshraker for token + 1 damage 4. Continue generating colorless spells/creatures to pump the damage Let me start with Lotus Petal:

mcpLotus Petal {0} [Cast]

raw

choose_action(index=4)

{
  "success": true,
  "action_taken": "selected_4"
}

thinkingHaiku Coach

Wait, it only shows instant/activated abilities now. Let me check what happened. Did Lotus Petal trigger Fleshraker? Let me pass priority to see if I get the triggers first:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 135,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 9
}

Haiku Coachllm

pass_priority(timeout_ms=5000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 167,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Great! I can see on the stack: - **Ability** (Glaring Fleshraker - colorless spell trigger) - **Ability** (Glaring Fleshraker - colorless spell trigger) — this is from the second one! - **Lotus Petal** (the card I cast) So both Fleshrakers triggered when I cast Lotus Petal! The stack is waiting on me (priority_player is now Gem3F Libby, meaning I passed and they get a chance). Let me pass priority back to me and resolve these triggers. Actually, opponent gets a chance to respond. Let me just pass so the triggers resolve:

Gem3F LibbymcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 168,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Perfect! I can see: - **New Eldrazi Spawn Token** created (with summoning sickness) on my battlefield - Stack now shows: 2 damage triggers (from each Fleshraker dealing damage as creature enters), 1 "create token" ability, and Lotus Petal Let me keep passing to resolve all these:

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 168,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Stack is still the same. Let me take action. I need to get the action choices to understand what's happening:

thinkingHaiku Coach

I'm at a point where Lotus Petal is resolving, and the triggers are on the stack. Let me pass through this phase. The issue is I have a lot of card choices but they're only showing me instant-speed options. Let me try passing to get back to a sorcery speed (main phase) action:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 169,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 7
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Opponent has priority now on the stack. The stack still has triggers waiting. Let me wait for them to pass:

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 170,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 6
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingGem3F Libby

thinkingHaiku Coach

Great! Opponent's life went from 7 to **6** — one of the damage triggers resolved! Stack now shows: - Damage trigger from Fleshraker (one more pending) - Create token ability - Lotus Petal Let me continue passing to resolve the rest:

llm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 170,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 6
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Still same state. Let me try getting action choices to move forward:

thinkingHaiku Coach

Stack is still resolving. Rather than wait, let me actively resolve it. I'll pass priority to speed things along:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 171,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 5
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Excellent! Opponent's life is now **5** — another damage trigger resolved! That's 2 damage so far from just casting Lotus Petal (two Fleshraker triggers). Stack now shows: - Create token ability - Lotus Petal Let me finish resolving:

llm

pass_priority(timeout_ms=10000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 171,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 5
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Let me try to continue the game flow. It looks like the stack is waiting for input and the opponent isn't responding. Let me try using the default action:

llm

default_action()

{
  "action_type": "GAME_SELECT",
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_action_choices()

{
  "action_pending": false
}

thinkingHaiku Coach

Good! Now let me see the current game state:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 172,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 5
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Opponent has priority now. Stack still has the triggers. The game seems stuck on resolving these. Let me wait a bit for the server to auto-resolve:

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 173,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 5
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingGem3F Libby

thinkingHaiku Coach

Great progress! I can see: - **Two NEW Eldrazi Spawn tokens with summoning sickness** appeared on my battlefield (from the "create token" trigger) - Stack shows damage triggers are back + Lotus Petal still resolving - Opponent at **5 hp** still The flow is working but slow. Let me keep pushing through. Let me try to get action choices and move forward:

thinkingHaiku Coach

Good! So I'm still waiting for the stack to clear. This phase is at instant-speed only. Let me just pass to let the full main phase happen. I'll call pass priority with a long timeout to get back to the main gameplay:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 174,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 4
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

**EXCELLENT!** Opponent life dropped to **4**! Another damage trigger resolved. Stack now shows one more damage trigger + Lotus Petal. I have: - **25 permanents** now (with the two new Eldrazi Spawn tokens) - Opponent at **4 hp** (down from 7!) - 2 Glaring Fleshrakers creating repeatable damage Let me keep resolving this to clear the stack:

llm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingGem3F Libby

llm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

Gem3F Libbyllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 140,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 4,
      "hand": []
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 9
}

thinkingGem3F Libby

The archive is in disarray. The air grows heavy with the hum of the *Glaring Flesh

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingGem3F Libby

Continue playing. Call pass_priority.After you have new action choices, call get_action_choices then choose_action. Refer to cards as books. Reference card flavor. Wait for get_action_choices before choose_action. Keep an eye on life total

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "timeout": true,
  "action_pending": false
}

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Stack resolved. Let me get the new game state:

llm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Gem3F Libby",
  "cursor": 175,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever another colorless creature you control enters, Glaring Fleshraker deals 1 damage to each opponent."
      ]
    },
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 4
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingGem3F Libby

I see there is a triggered ability on the stack from the Glaring Fleshraker. It seems a volume has been opened that I would rather keep shut. I have 4 life remaining, and the trigger will deal 1 damage to me. I must decide if I have any response from my collection. I have a `Dark Depths`, `Ghost Quarter`, and `Wasteland` available for activation. However, none of these seem to be able to counter the triggering of this particular text. I shall pass for now and let the ability resolve.

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

thinkingGem3F Libby

Continue playing. Call pass_priority.After you have new action choices, call get_action_choices then choose_action. Refer to cards as books. Reference card flavor. Wait for get_action_choices before choose_action. Keep an eye on life total

thinkingHaiku Coach

Opponent has priority now, still 4 hp. Stack has the last damage trigger + Lotus Petal. Let me just speed this along. I'll auto-pass and let opponent respond:

llm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 176,
  "stack": [
    {
      "name": "Lotus Petal",
      "rules": [
        "{T}, Sacrifice {this}: Add one mana of any color."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 3,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        },
        {
          "mana_value": 1,
          "mana_cost": "{1}",
          "name": "Manifold Key"
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 3
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

**PERFECT!** Opponent dropped to **3 hp**! Last damage trigger resolved. Stack now just has Lotus Petal. Let me clear this and get back to the main game. I'll pass priority:

llm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "passed_priority"
}

Haiku Coachllm

pass_priority(timeout_ms=60000)

{
  "actions_passed": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "action_pending": true
}

thinkingHaiku Coach

Excellent! Now I'm back at full sorcery-speed actions in the main phase. The stack is clear. I'm at **4 hp** and opponent is at **3 hp**. I need **3 more damage** to win. **Current situation:** - 25 permanents on field - 11 Eldrazi Spawn tokens (can sacrifice for mana) - 2 Glaring Fleshraker creatures (each deals 1 damage when colorless creatures enter) - Opponent at 3 hp (very close!) - My hand: Ancient Tomb, Planar Nexus, Manifold Key **Key strategy:** I need to generate more creatures or damage. Let me look at what I can do: 1. **Play Manifold Key** (index 5) - costs {1}, can untap artifacts 2. **Play lands** to enable more mana generation 3. **Activate abilities** to generate value The critical insight: I need to create 3+ more colorless creatures to trigger Fleshraker 3+ times. Let me analyze: - Manifold Key costs {1} and can untap artifacts - I have 4 untapped lands (2 Urza's Towers and 2 others) - I have tons of Eldrazi Spawn tokens **Plan:** Play Manifold Key, then use my mana to generate more creatures or use key mana-generating artifacts to create a lethal combo. Let me play Manifold Key first:

mcpManifold Key {1} [Cast]

raw

choose_action(index=5)

{
  "success": true,
  "action_taken": "selected_5"
}

thinkingHaiku Coach

Good! Manifold Key cast. Now I have untapped lands reduced to 3 (spent 1 to cast). Let me analyze my options: - I need to create more colorless creatures to trigger Fleshraker - **Voltaic Key** can untap artifacts for {1} + {T} - **Grim Monolith** can untap itself for {4} - **Candelabra of Tawnos** can untap multiple lands - **Manifold Key** (the one I just cast) can untap artifacts or make creatures unblockable Wait - I need to think about how to generate MORE CREATURES. Let me check if there's a way to generate creatures with my current board state. Looking back at my strategy notes - I was planning to use Glaring Fleshraker to create attackers and deal damage. Actually, looking at this more carefully: My Fleshraker creatures deal damage when OTHER colorless creatures enter the battlefield. I have 11 Eldrazi Spawn tokens already. If I can generate 3 more colorless creatures, I get 3 more damage = lethal (4 damage total to go from 3 hp to -1). But I can't CAST more spells easily from my hand. Let me think... Can I use my artifact untapping to loop and generate value? Actually, let me step back. Let me check what cards I have and what I might be missing. Let me look at my current hand more carefully. The choices show I can play more things. Let me try a different approach - I should look at what utility these artifacts provide. Actually, wait - I should play a land to have more mana available. Let me play Ancient Tomb:

mcpVoltaic Key — {1}, {T}: Untap target artifact. [Activate]

raw

choose_action(index=0)

{
  "success": true,
  "action_taken": "selected_0"
}

thinkingHaiku Coach

Interesting! Ancient Tomb wanted me to select something. That must be part of the casting sequence. But I can cancel. Let me re-read - wait, Ancient Tomb is a land, it shouldn't require a target. Let me cancel this and figure out what's happening:

mcpPass

raw

choose_action(answer=false)

{
  "success": true,
  "action_taken": "cancelled"
}

Haiku Coachllm

get_game_state()

{
  "phase": "Precombat Main",
  "priority_player": "Haiku Coach",
  "cursor": 180,
  "stack": [
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Ability",
      "rules": [
        "Whenever you cast a colorless spell, create a 0/1 colorless Eldrazi Spawn creature token with \"Sacrifice this token: Add {C}.\""
      ]
    },
    {
      "name": "Manifold Key",
      "rules": [
        "{1}, {T}: Untap another target artifact.",
        "{3}, {T}: Target creature can't be blocked this turn."
      ]
    }
  ],
  "active_player": "Haiku Coach",
  "players": [
    {
      "hand_size": 2,
      "graveyard": [
        "Kozilek's Command",
        "Urza's Saga",
        "Kozilek's Command",
        "Urza's Saga"
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Voltaic Key"
        },
        {
          "tapped": false,
          "name": "Urza's Workshop"
        },
        {
          "tapped": true,
          "name": "Grim Monolith"
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Candelabra of Tawnos"
        },
        {
          "tapped": false,
          "name": "Urza's Tower"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "loyalty": 7
          },
          "loyalty": "7",
          "name": "Karn, the Great Creator"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "counters": {
            "burden": 2
          },
          "name": "The One Ring"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Manifold Key"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Glaring Fleshraker",
          "power": "2",
          "toughness": "2"
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Eldrazi Spawn Token",
          "summoning_sickness": true,
          "rules": [
            "Sacrifice this creature: Add {C}."
          ],
          "power": "0",
          "toughness": "1",
          "token": true
        },
        {
          "tapped": false,
          "name": "Lotus Petal"
        }
      ],
      "name": "Haiku Coach",
      "library_size": 39,
      "life": 4,
      "hand": [
        {
          "mana_value": 0,
          "name": "Ancient Tomb",
          "is_land": true
        },
        {
          "mana_value": 0,
          "name": "Planar Nexus",
          "is_land": true
        }
      ]
    },
    {
      "hand_size": 0,
      "graveyard": [
        "Yavimaya, Cradle of Growth",
        "Urza's Saga",
        "Expedition Map",
        "Mox Diamond",
        "Urza's Saga",
        "Once Upon a Time",
        "Urza's Saga",
        "Mox Diamond"
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Mox Diamond"
        },
        {
          "tapped": false,
          "name": "Wasteland"
        },
        {
          "tapped": false,
          "name": "Yavimaya, Cradle of Growth"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "counters": {
            "ice": 10
          },
          "name": "Dark Depths"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": true,
          "name": "Thespian's Stage"
        },
        {
          "tapped": false,
          "name": "Ghost Quarter"
        },
        {
          "tapped": false,
          "name": "Exploration"
        },
        {
          "tapped": false,
          "name": "Pithing Needle"
        },
        {
          "tapped": false,
          "name": "Lavaspur Boots"
        }
      ],
      "name": "Gem3F Libby",
      "library_size": 42,
      "life": 3
    }
  ],
  "available": true,
  "step": "Precombat Main",
  "turn": 8
}

thinkingHaiku Coach

Great! I see: - Manifold Key was cast successfully - I now have **2 Lotus Petal** on field (I must have gotten a second one somehow) - **26 permanents** now - Stack shows Manifold Key + 2 creature token creation triggers (from my second Glaring Fleshraker) - Hand down to 2 cards: Ancient Tomb, Planar Nexus Let me wait for the stack to resolve:

llm

choose_action(answer=false)

{
  "success": true,
  "action_taken": "auto_passed_loop_detected",
  "warning": "Too many interactions this turn (26). Auto-passing until next turn."
}

thinkingHaiku Coach

The system is detecting too many interactions. This is a complex turn with lots of triggers. Let me wait for the turn to naturally advance:

Gem3F Libbyllm

pass_priority(timeout_ms=30000)

{
  "actions_passed": 6,
  "game_over": true,
  "timeout": true,
  "action_pending": false,
  "player_dead": true
}

llmGem3F Libby switched to auto-pilot: game_over

Haiku Coachllm

pass_priority(timeout_ms=90000)

{
  "actions_passed": 4,
  "game_over": true,
  "timeout": true,
  "action_pending": false
}

llmHaiku Coach switched to auto-pilot: game_over

llmHaiku Coach Spell cancelled — not enough mana to complete payment.

gamehas started watching

gameHaiku Coach chooses that they take the first turn

gameHaiku Coach draws seven cards

gameGem3F Libby draws seven cards