MstLg Tinker (Faeries + Smashing) vs GPT5 Gramps (Lightning + Predatory)
4 moderate, 6 minor, 4 questionable blunders
Season 1
/ 249
Stack
Game Log
gameGPT5 Gramps's library is shuffled
gameMstLg Tinker's library is shuffled
MstLg TinkermcpMstLg Tinker
raw
choose_action(choice=p2)
{
"next_action_pending": true,
"next_action_type": "GAME_ASK",
"game_seq": 5,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_0",
"next_action_message": "Mulligan down to 6 cards?"
}MstLg Tinkerllm
pass_priority(board_cursor=1)
{
"game_seq": 7,
"action_type": "GAME_ASK",
"context": "T1 ()",
"stop_reason": "non_priority_action",
"response_type": "boolean",
"respond_with": "choice=yes or choice=no",
"message": "Mulligan down to 6 cards?",
"board_cursor": 2,
"your_hand": [
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"toughness": "2"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
]
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
]
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
]
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top."
]
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"toughness": "4"
},
{
"name": "Thriving Bluff",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color."
]
}
],
"board": [
{
"hand_size": 7,
"is_active": false,
"is_you": true,
"name": "MstLg Tinker",
"library_size": 33,
"life": 20,
"hand": [
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top."
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"name": "Thriving Bluff",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color."
],
"id": "p16"
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"name": "GPT5 Gramps",
"library_size": 33,
"life": 20
}
],
"action_pending": true
}gameMstLg Tinker chooses that they take the first turn
thinkingMstLg Tinker
I have a **keepable but not stellar** hand. Here's the breakdown:
- **Goblin Warchief**: Strong 2-drop for a Goblin deck, reduces costs and gives haste.
- **Tectonic Giant**: Solid 4-drop with upside, but slow.
- **Soul Read**: Flexible counter/draw spell, but expensive.
- **Synchronized Eviction**: Conditional cost reduction, but situational.
- **2x Island, Thriving Bluff**: Solid mana base, but I’m light on early plays.
**Problems**:
- No 1-drop or 3-drop, which is awkward for curve.
- Only 2 lands (3 if I count Thriving Bluff, but it enters tapped).
- Soul Read and Synchronized Eviction are expensive and situational.
**Upside**:
- Goblin Warchief is a great card for a Goblin deck.
- Tectonic Giant is a strong finisher.
- Thriving Bluff is a solid land.
**Mulligan Decision**:
- I’m on the play, so I can afford to be a little greedy.
- The hand is **keepable**, but it’s **slow** and **light on early interaction**.
- If I mulligan, I risk missing land drops or getting stuck with worse cards.
**Verdict**: I’ll **keep** this hand. It’s not perfect, but it has a reasonable curve and strong payoffs. I’ll hope to draw a 1-drop or another land to smooth things out.
GPT5 Grampsllm
pass_priority(until=my_turn, board_cursor=0)
{
"game_seq": 8,
"action_type": "GAME_ASK",
"context": "T1 ()",
"stop_reason": "non_priority_action",
"response_type": "boolean",
"respond_with": "choice=yes or choice=no",
"message": "Mulligan down to 6 cards?",
"board_cursor": 1,
"your_hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
]
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
]
},
{
"mana_cost": "{2}{R}",
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{2}",
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
]
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
]
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
]
},
{
"name": "Thriving Grove",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color."
]
}
],
"board": [
{
"hand_size": 7,
"is_active": false,
"is_you": true,
"name": "GPT5 Gramps",
"library_size": 33,
"life": 20,
"hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{2}{R}",
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"power": "2",
"id": "p5",
"toughness": "2"
},
{
"mana_cost": "{2}",
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"name": "Thriving Grove",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color."
],
"id": "p9"
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"name": "MstLg Tinker",
"library_size": 33,
"life": 20
}
],
"action_pending": true
}MstLg TinkermcpKeep hand
raw
choose_action(choice=no)
{
"game_seq": 7,
"success": true,
"action_taken": "no"
}GPT5 GrampsmcpKeep hand
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 8,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "no",
"next_action_message": "Play instants and activated abilities"
}GPT5 Grampsllm
pass_priority(until=precombat_main, board_cursor=1)
{
"game_seq": 12,
"action_type": "GAME_SELECT",
"context": "T1 Precombat Main/Precombat Main (MstLg Tinker)",
"stop_reason": "reached_step",
"response_type": "boolean",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"message": "Play instants and activated abilities",
"board_cursor": 2,
"board": [
{
"hand_size": 7,
"is_active": false,
"is_you": true,
"name": "GPT5 Gramps",
"library_size": 33,
"life": 20,
"hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{2}{R}",
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"power": "2",
"id": "p5",
"toughness": "2"
},
{
"mana_cost": "{2}",
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"name": "Thriving Grove",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color."
],
"id": "p9"
}
]
},
{
"hand_size": 7,
"is_active": true,
"is_you": false,
"name": "MstLg Tinker",
"library_size": 33,
"life": 20
}
],
"action_pending": true,
"current_step": "Precombat Main"
}gameMstLg Tinker skips Draw step
— Precombat Main —
GPT5 GrampsmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 12,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}— Declare Attackers —
— Postcombat Main —
MstLg Tinkerllm
pass_priority(board_cursor=2)
{
"game_seq": 17,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T1 Postcombat Main/Postcombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 3,
"choices": [
{
"name": "Island",
"index": 0,
"action": "land",
"id": "p11"
},
{
"name": "Island",
"index": 1,
"action": "land",
"id": "p12"
},
{
"name": "Thriving Bluff",
"index": 2,
"action": "land",
"id": "p16"
}
],
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"name": "MstLg Tinker",
"library_size": 33,
"life": 20,
"hand": [
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p11",
"playable": true
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p12",
"playable": true
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"name": "Thriving Bluff",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color."
],
"id": "p16",
"playable": true
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"name": "GPT5 Gramps",
"library_size": 33,
"life": 20
}
]
}thinkingMstLg Tinker
I’ll play **Thriving Bluff** first since it enters tapped, and I want to maximize my mana development for future turns. This also gives me access to two colors of mana, which is important for my deck.
mcpPlay Thriving Bluffraw
choose_action(choice=p16)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_CHOICE",
"game_seq": 17,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_2",
"next_action_message": "Choose replacement effect to resolve first"
}MstLg Tinkerllm
pass_priority(board_cursor=3)
{
"land_drops_used": 0,
"game_seq": 18,
"action_type": "GAME_CHOOSE_CHOICE",
"board_unchanged": true,
"context": "T1 Postcombat Main/Postcombat Main (MstLg Tinker) YOUR_MAIN",
"stop_reason": "non_priority_action",
"response_type": "index",
"respond_with": "choice=0, choice=1, etc. or text=Name (not yes/no)",
"message": "Choose replacement effect to resolve first",
"board_cursor": 3,
"choices": [
{
"index": 0,
"description": "Thriving Bluff: Thriving Bluff enters tapped."
},
{
"index": 1,
"description": "Thriving Bluff: As Thriving Bluff enters, choose a color other than red."
}
],
"action_pending": true
}thinkingMstLg Tinker
I need to choose a color for **Thriving Bluff** *before* it enters tapped. This is a replacement effect ordering question. The correct order is:
1. **Choose a color** (so I can use the mana ability immediately if needed).
2. **Enters tapped**.
I’ll choose the color first. Since my deck is primarily red with blue splash, I’ll pick **blue** for the second mana ability.
mcpThriving Bluff: As Thriving Bluff enters, choose a color other than red.raw
choose_action(text=As Thriving Bluff enters, choose a color...)
{
"retryable": true,
"game_seq": 18,
"success": false,
"error_code": "invalid_choice",
"error": "'As Thriving Bluff enters, choose a color other than red.' is not a valid choice",
"choices": [
{
"index": 0,
"description": "Thriving Bluff: Thriving Bluff enters tapped."
},
{
"index": 1,
"description": "Thriving Bluff: As Thriving Bluff enters, choose a color other than red."
}
]
}thinkingMstLg Tinker
Apologies for the confusion. I need to select the choice by **index**. I’ll choose the second option (index **1**) to pick a color for **Thriving Bluff** first.
mcpThriving Bluff: As Thriving Bluff enters, choose a color other than red.raw
choose_action(choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_CHOICE",
"game_seq": 18,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_choice_1",
"next_action_message": "Choose color"
}MstLg Tinkerllm
pass_priority(board_cursor=3)
{
"land_drops_used": 0,
"game_seq": 19,
"action_type": "GAME_CHOOSE_CHOICE",
"board_unchanged": true,
"context": "T1 Postcombat Main/Postcombat Main (MstLg Tinker) YOUR_MAIN",
"stop_reason": "non_priority_action",
"response_type": "index",
"respond_with": "choice=0, choice=1, etc. or text=Name (not yes/no)",
"message": "Choose color",
"board_cursor": 3,
"choices": [
{
"index": 0,
"description": "White"
},
{
"index": 1,
"description": "Blue"
},
{
"index": 2,
"description": "Black"
},
{
"index": 3,
"description": "Green"
}
],
"action_pending": true
}thinkingMstLg Tinker
I’ll choose **Blue** (index **1**) as the color for **Thriving Bluff** to align with my blue splash cards like **Soul Read** and **Synchronized Eviction**.
mcpBlueraw
choose_action(choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 19,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_choice_1",
"next_action_message": "Play spells and abilities"
}gameThriving Bluff: MstLg Tinker has chosen Blue
gameMstLg Tinker puts Thriving Bluff from hand onto the Battlefield
— GPT5 Gramps's Turn 1 —
GPT5 Grampsllm
pass_priority(until=my_turn, board_cursor=2)
{
"game_seq": 25,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T1 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 3,
"choices": [
{
"name": "Mountain",
"index": 0,
"action": "land",
"id": "p7"
},
{
"name": "Mountain",
"index": 1,
"action": "land",
"id": "p8"
},
{
"name": "Thriving Grove",
"index": 2,
"action": "land",
"id": "p9"
}
],
"board": [
{
"hand_size": 8,
"is_active": true,
"is_you": true,
"name": "GPT5 Gramps",
"library_size": 32,
"life": 20,
"hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{2}{R}",
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"power": "2",
"id": "p5",
"toughness": "2"
},
{
"mana_cost": "{2}",
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p7",
"playable": true
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p8",
"playable": true
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"name": "Thriving Grove",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color."
],
"id": "p9",
"playable": true
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 33,
"life": 20
}
]
}GPT5 GrampsmcpPlay Thriving Grove
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p9)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_CHOICE",
"game_seq": 25,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_2",
"next_action_message": "Choose replacement effect to resolve first"
}GPT5 GrampsmcpThriving Grove: As Thriving Grove enters, choose a color other than green.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_CHOICE",
"game_seq": 26,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_choice_1",
"next_action_message": "Choose color"
}GPT5 GrampsmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=Red, choice=)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 27,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_choice_text_Red",
"next_action_message": "Play spells and abilities"
}GPT5 Grampsllm
pass_priority(until=precombat_main, board_cursor=3)
{
"land_drops_used": 1,
"game_seq": 32,
"action_type": "GAME_SELECT",
"context": "T1 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"stop_reason": "reached_step",
"response_type": "boolean",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"message": "Play spells and abilities",
"board_cursor": 4,
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 32,
"life": 20,
"hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{2}{R}",
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"power": "2",
"id": "p5",
"toughness": "2"
},
{
"mana_cost": "{2}",
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 33,
"life": 20
}
],
"action_pending": true,
"current_step": "Precombat Main"
}gameThriving Grove: GPT5 Gramps has chosen Red
gameGPT5 Gramps puts Thriving Grove from hand onto the Battlefield
GPT5 GrampsmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 32,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}— Declare Attackers —
— Postcombat Main —
— MstLg Tinker's Turn 2 —
chatMstLg Tinker: Nice start! Thriving Bluff and Thriving Grove—looks like we’re both ramping. Let’s see who can break the symmetry first.
MstLg Tinkerllm
pass_priority(board_cursor=3)
{
"game_seq": 40,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 1,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T2 Precombat Main/Precombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 4,
"choices": [
{
"name": "Island",
"index": 0,
"action": "land",
"id": "p11"
},
{
"name": "Island",
"index": 1,
"action": "land",
"id": "p12"
}
],
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 32,
"life": 20,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p11",
"playable": true
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p12",
"playable": true
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 32,
"life": 20
}
]
}thinkingMstLg Tinker
I’ll play an **Island** to ensure I have access to blue mana for **Soul Read** or **Synchronized Eviction** later. This also keeps my mana base flexible.
Also, sending a chat message to my opponent:
*"Nice start! Thriving Bluff and Thriving Grove—looks like we’re both ramping. Let’s see who can break the symmetry first."*
mcpPlay Islandraw
choose_action(choice=p11)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 40,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Play spells and abilities"
}MstLg Tinkermcpsend_chat_message
raw
send_chat_message(message=Nice start! Thriving Bluff and Thriving ...)
{
"success": true
}gameMstLg Tinker puts Island from hand onto the Battlefield
— Declare Attackers —
— Postcombat Main —
— GPT5 Gramps's Turn 2 —
chatGPT5 Gramps: Ah, the digital shuffle... back in my day we riffle-shuffled with our own two hands, young whippersnapper. Good luck, have fun — and keep that newfangled nonsense away from my life total!
GPT5 Grampsllm
pass_priority(until=my_turn, board_cursor=4)
{
"game_seq": 52,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 1,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T2 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"recent_chat": [
"MstLg Tinker: Nice start! Thriving Bluff and Thriving Grove—looks like we’re both ramping. Let’s see who can break the symmetry first."
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 5,
"choices": [
{
"name": "Mountain",
"index": 0,
"action": "land",
"id": "p7"
},
{
"name": "Mountain",
"index": 1,
"action": "land",
"id": "p8"
}
],
"board": [
{
"hand_size": 8,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{2}{R}",
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"power": "2",
"id": "p5",
"toughness": "2"
},
{
"mana_cost": "{2}",
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p7",
"playable": true
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p8",
"playable": true
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{R}",
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"power": "1",
"id": "p25",
"toughness": "4"
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 32,
"life": 20
}
]
}GPT5 Grampsmcpsend_chat_message
raw
send_chat_message(message=Ah, the digital shuffle... back in my da...)
{
"success": true
}GPT5 GrampsmcpPlay Mountain
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p7)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 52,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Play spells and abilities"
}gameGPT5 Gramps puts Mountain from hand onto the Battlefield
GPT5 GrampsmcpCast Marauder's Axe {2}
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p6)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 56,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Choose spell or ability to play: Thriving Grove"
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 58,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play instants and activated abilities"
}GPT5 Grampsllm
pass_priority(until=stack_resolved, board_cursor=7)
{
"land_drops_used": 1,
"game_seq": 64,
"action_type": "GAME_SELECT",
"context": "T2 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"stop_reason": "stack_resolved",
"response_type": "boolean",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"message": "Play spells and abilities",
"board_cursor": 8,
"board": [
{
"hand_size": 6,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{2}{R}",
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"power": "2",
"id": "p5",
"toughness": "2"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{R}",
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"power": "1",
"id": "p25",
"toughness": "4"
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 32,
"life": 20
}
],
"action_pending": true
}gameGPT5 Gramps casts Marauder's Axe from hand
gameGPT5 Gramps puts Marauder's Axe from stack onto the Battlefield
GPT5 GrampsmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 64,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}— Declare Attackers —
— Postcombat Main —
— MstLg Tinker's Turn 3 —
MstLg Tinkerllm
pass_priority(board_cursor=4)
{
"game_seq": 72,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 2,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T3 Precombat Main/Precombat Main (MstLg Tinker) YOUR_MAIN",
"recent_chat": [
"GPT5 Gramps: Ah, the digital shuffle... back in my day we riffle-shuffled with our own two hands, young whippersnapper. Good luck, have fun — and keep that newfangled nonsense away from my life total!"
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 5,
"choices": [
{
"mana_cost": "{1}{U}",
"name": "Brineborn Cutthroat",
"index": 0,
"action": "cast",
"id": "p28",
"power": "2",
"toughness": "1"
},
{
"name": "Island",
"index": 1,
"action": "land",
"id": "p12"
}
],
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{1}{U}",
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"power": "2",
"id": "p28",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p12",
"playable": true
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 31,
"life": 20
}
]
}thinkingMstLg Tinker
I have two untapped lands (**Island** and **Thriving Bluff**), which means I can produce **{U}{R}** this turn. My hand has **Brineborn Cutthroat** ({1}{U}) and **Goblin Warchief** ({1}{R}{R}), but I can only afford one of them this turn.
**Priorities**:
1. **Goblin Warchief** is a **2-drop** that reduces the cost of future Goblin spells and gives them haste. This is a **strong play** for a Goblin deck, as it enables future turns.
2. **Brineborn Cutthroat** is a **1-drop**, but it’s only relevant if I cast spells on my opponent’s turn. It’s weaker in the early game unless I’m planning to play interactively.
**Decision**:
- I’ll play **Goblin Warchief** this turn to enable my future Goblin synergies. I’ll hold **Brineborn Cutthroat** for now, as it’s better suited for a flash-based strategy later in the game.
First, I’ll tap my lands for mana:
- **Island** for {U}
- **Thriving Bluff** for {R} (I’ll avoid using the blue mana ability since I don’t need it yet).
I’ll cast **Goblin Warchief** for {1}{R}{R}.
mcpPlay Islandraw
choose_action(choice=p29, mana_plan=p11:BLUE,p16:RED)
{
"error": "Unknown short ID: p29"
}thinkingMstLg Tinker
Apologies for the mistake. Let me check the correct ID for **Goblin Warchief** in my hand. It should be **p30** based on the previous board state. I’ll cast it with the correct ID.
mcpPlay Islandraw
choose_action(choice=p30, mana_plan=p11:BLUE,p16:RED)
{
"error": "Unknown short ID: p30"
}thinkingMstLg Tinker
Let me double-check the IDs in my hand. From the board state:
- **Brineborn Cutthroat** is **p28**
- **Goblin Warchief** is **p29**
- **Island** is **p12**
I’ll cast **Goblin Warchief (p29)** using **{1}{R}{R}** from **Thriving Bluff** and **Island**.
mcpPlay Islandraw
choose_action(choice=p29, mana_plan=p11:BLUE,p16:RED,p16:RED)
{
"error": "Unknown short ID: p29"
}thinkingMstLg Tinker
I see the issue—**Goblin Warchief** is actually **p30** in my hand. Let me confirm the IDs again:
- **Brineborn Cutthroat**: p28
- **Furious Rise**: p29
- **Goblin Warchief**: p30
I’ll cast **Goblin Warchief (p30)** with **{1}{R}{R}**.
mcpPlay Islandraw
choose_action(choice=p30, mana_plan=p11:BLUE,p16:RED,p16:RED)
{
"error": "Unknown short ID: p30"
}thinkingMstLg Tinker
This is frustrating. Let me re-examine the board state to confirm the IDs:
My hand:
- **Brineborn Cutthroat** [id=p28]
- **Furious Rise** [id=p29]
- **Goblin Warchief** [id=p30]
- **Island** [id=p12]
- **Soul Read** [id=p31]
- **Synchronized Eviction** [id=p32]
- **Tectonic Giant** [id=p33]
I’ll cast **Goblin Warchief (p30)** with **{1}{R}{R}** from **Thriving Bluff (p16)** and **Island (p11)**.
mcpPlay Islandraw
choose_action(choice=p30, mana_plan=p11:BLUE,p16:RED,p16:RED)
{
"error": "Unknown short ID: p30"
}thinkingMstLg Tinker
I must be missing something. Let me try a different approach: I’ll play the **Island (p12)** first to simplify my mana base, then cast **Goblin Warchief** next turn if needed.
mcpPlay Islandraw
choose_action(choice=p12)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 72,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_1",
"next_action_message": "Play spells and abilities"
}MstLg Tinkerllm
pass_priority(board_cursor=5)
{
"game_seq": 80,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play instants and activated abilities",
"action_pending": true,
"has_playable_cards": true,
"context": "T3 Combat/Declare Attackers (MstLg Tinker)",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 6,
"choices": [
{
"mana_cost": "{1}{U}",
"name": "Brineborn Cutthroat",
"index": 0,
"action": "cast",
"id": "p28",
"power": "2",
"toughness": "1"
}
],
"board": [
{
"hand_size": 6,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{1}{U}",
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"power": "2",
"id": "p28",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 31,
"life": 20
}
]
}moderate blunder
Timed out during precombat main phase, missing a critical land drop on turn 5.
Timed out during precombat main phase, missing a critical land drop on turn 5. With expensive cards in hand (Tectonic Giant at 4 mana, Soul Read at 4 mana, Furious Rise at 3 mana), missing this land drop delays the entire game plan by a turn.
Analysis
Action taken: No response (timeout) — passed without playing Island or casting any spell.
Better line: Play Island to go to 3 lands, then pass to hold Brineborn Cutthroat for the opponent's turn (where it gains value from its flash + counter ability). This sets up a turn 6 Tectonic Giant with 4 lands.
gameMstLg Tinker puts Island from hand onto the Battlefield
— Declare Attackers —
thinkingMstLg Tinker
I’m in the **combat phase**, and my opponent has not declared attackers yet. I can play **Brineborn Cutthroat** now with **flash** to potentially get a +1/+1 counter if I cast a spell later this turn.
However, my opponent has not yet declared attackers, and I don’t know if they plan to attack. If I play **Brineborn Cutthroat** now, I’m committing a 2/1 body to the board, which could be a liability if they have removal or a strong attack.
**Strategic Considerations**:
- If I hold **Brineborn Cutthroat**, I can play it after attackers are declared to block or chump block if needed.
- If I play it now, I’m banking on casting another spell later this turn (e.g., an instant or activated ability) to grow it.
**Decision**:
- I’ll **pass** for now and wait to see if my opponent declares attackers. If they do, I can play **Brineborn Cutthroat** in response to block or chump block. If they don’t, I can play it later in the turn to grow it with an instant or end-step spell.
mcpPassraw
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 80,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play spells and abilities"
}— Postcombat Main —
— GPT5 Gramps's Turn 3 —
GPT5 Grampsllm
pass_priority(until=my_turn, board_cursor=8)
{
"game_seq": 84,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 2,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T3 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 9,
"choices": [
{
"name": "Mountain",
"index": 0,
"action": "land",
"id": "p8"
}
],
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 30,
"life": 20,
"hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{2}{R}",
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"power": "2",
"id": "p5",
"toughness": "2"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p8",
"playable": true
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{R}",
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"power": "1",
"id": "p25",
"toughness": "4"
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 31,
"life": 20
}
]
}GPT5 GrampsmcpPlay Mountain
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p8)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 84,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Play spells and abilities"
}gameGPT5 Gramps puts Mountain from hand onto the Battlefield
GPT5 GrampsmcpCast Lightning Phoenix {2}{R}
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p5)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 88,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Choose spell or ability to play: Thriving Grove"
}questionable
Lightning Phoenix provides immediate 2 haste damage but can't block, while Weaver of Lightning (1/4 reach) would better …
Lightning Phoenix provides immediate 2 haste damage but can't block, while Weaver of Lightning (1/4 reach) would better support the slow hand full of expensive cards (Somberwald Stag at 5, Living Lightning at 4, Lightning Diadem at 6) that needs time to deploy. Weaver also synergizes with Irresistible Prey in hand for the ping trigger + card draw.
Analysis
Action taken: Cast Lightning Phoenix (2/2 flying haste, can't block)
Better line: Cast Weaver of Lightning (1/4 reach) to provide a strong defensive body that buys time to deploy expensive threats, with instant/sorcery ping synergy from Irresistible Prey in hand
GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=2)
{
"retryable": true,
"game_seq": 90,
"success": false,
"error_code": "index_out_of_range",
"error": "Index 2 is out of range (valid: 0-1). Call get_action_choices to see current options.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {G}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 90,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps casts Lightning Phoenix from hand
MstLg Tinkerllm
pass_priority(board_cursor=6)
{
"stack": [
{
"name": "Lightning Phoenix"
}
],
"game_seq": 95,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play instants and activated abilities",
"action_pending": true,
"has_playable_cards": true,
"context": "T3 Precombat Main/Precombat Main (GPT5 Gramps)",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 7,
"choices": [
{
"mana_cost": "{1}{U}",
"name": "Brineborn Cutthroat",
"index": 0,
"action": "cast",
"id": "p28",
"power": "2",
"toughness": "1"
}
],
"board": [
{
"hand_size": 6,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{1}{U}",
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"power": "2",
"id": "p28",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 30,
"life": 20
}
]
}thinkingMstLg Tinker
My opponent has cast **Lightning Phoenix** (likely from their graveyard). I can respond by playing **Brineborn Cutthroat** with **flash** to block it if it attacks, or to grow it if I cast another spell later this turn.
**Lightning Phoenix** is a **3/1 flyer** with haste, and it can recur from the graveyard if it dies. If I play **Brineborn Cutthroat** now, I can block it if my opponent attacks, or I can hold up **Soul Read** to counter it if needed.
**Decision**:
- I’ll play **Brineborn Cutthroat** now to have the option to block **Lightning Phoenix** if it attacks. This also sets up future +1/+1 counters if I cast spells later in the turn.
mcpCast Brineborn Cutthroat {1}{U}raw
choose_action(choice=p28)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 95,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Choose spell or ability to play: Thriving Bluff"
}MstLg Tinkerllm
pass_priority(board_cursor=7)
{
"stack": [
{
"name": "Brineborn Cutthroat"
},
{
"name": "Lightning Phoenix"
}
],
"game_seq": 97,
"action_type": "GAME_CHOOSE_ABILITY",
"stop_reason": "non_priority_action",
"response_type": "index",
"untapped_lands": 3,
"message": "Choose spell or ability to play: Thriving Bluff",
"action_pending": true,
"context": "T3 Precombat Main/Precombat Main (GPT5 Gramps)",
"respond_with": "choice=0, choice=1, etc. (not yes/no)",
"board_cursor": 8,
"choices": [
{
"index": 0,
"description": "1. {T}: Add {R}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
],
"board": [
{
"hand_size": 5,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 30,
"life": 20
}
]
}minor blunder
Brineborn Cutthroat was cast on MstLg Tinker's own turn, wasting the flash advantage.
Brineborn Cutthroat was cast on MstLg Tinker's own turn, wasting the flash advantage. Casting it during the opponent's next turn would give it a +1/+1 counter from its own ability (making it 3/2 instead of 2/1). The Cutthroat can't block Lightning Phoenix (a flyer) anyway, so there's no defensive urgency to deploy it now.
Analysis
Action taken: Cast Brineborn Cutthroat on own turn in response to Lightning Phoenix on the stack
Better line: Pass priority here, let Lightning Phoenix resolve, then hold Brineborn Cutthroat to cast during the opponent's turn to get a +1/+1 counter trigger
thinkingMstLg Tinker
I don’t need to activate **Thriving Bluff** right now. I already have enough mana to cast **Brineborn Cutthroat** ({1}{U}), and I don’t need additional mana for anything else on the stack.
I’ll **pass priority** and let **Brineborn Cutthroat** resolve. If my opponent attacks with **Lightning Phoenix**, I can block it with **Brineborn Cutthroat** (2/1).
mcp1. {T}: Add {R}.raw
choose_action(choice=no)
{
"retryable": true,
"game_seq": 97,
"success": false,
"error_code": "missing_param",
"error": "GAME_CHOOSE_ABILITY requires index=N. Call get_action_choices first to see the available abilities, then choose_action with the index of the one you want.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {R}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}thinkingMstLg Tinker
I need to select an ability for **Thriving Bluff**, but I don’t want to activate it right now. Since I’m forced to choose, I’ll select the first ability (**{T}: Add {R}**) and **not activate it** by passing priority immediately after.
mcp1. {T}: Add {R}.raw
choose_action(choice=0)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 97,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_0",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 100,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}gameMstLg Tinker casts Brineborn Cutthroat from hand
gameMstLg Tinker puts Brineborn Cutthroat from stack onto the Battlefield
gameGPT5 Gramps puts Lightning Phoenix from stack onto the Battlefield
— Declare Attackers —
GPT5 Grampsllm
pass_priority(until=begin_combat, board_cursor=11)
{
"combat_phase": "attackers",
"game_seq": 108,
"action_type": "GAME_SELECT",
"context": "T3 Combat/Declare Attackers (GPT5 Gramps)",
"stop_reason": "combat",
"response_type": "select",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"message": "Select attackers",
"board_cursor": 12,
"choices": [
{
"name": "Lightning Phoenix",
"index": 0,
"choice_type": "attacker",
"id": "p5",
"power": "2",
"toughness": "2"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 5,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 30,
"life": 20,
"hand": [
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{R}",
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"power": "1",
"id": "p25",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 31,
"life": 20
}
],
"action_pending": true
}GPT5 GrampsmcpAttack with Lightning Phoenix 2/2
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=p5, blockers=, text=, choice=)
{
"declared": [
"p5"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 108,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_attack",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps attacks MstLg Tinker with 1 creature
— Declare Blockers —
MstLg Tinkerllm
pass_priority(board_cursor=8)
{
"combat_phase": "blockers",
"game_seq": 114,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 1,
"combat": [
{
"blocked": false,
"defending": "MstLg Tinker",
"attackers": [
{
"name": "Lightning Phoenix",
"id": "p5",
"power": "2",
"toughness": "2"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T3 Combat/Declare Blockers (GPT5 Gramps)",
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 9,
"choices": [
{
"name": "Brineborn Cutthroat",
"index": 0,
"choice_type": "blocker",
"id": "p28",
"power": "2",
"toughness": "1"
}
],
"board": [
{
"hand_size": 5,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Brineborn Cutthroat",
"modified": true,
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 30,
"life": 20
}
],
"incoming_attackers": [
{
"name": "Lightning Phoenix",
"id": "p5",
"power": "2",
"toughness": "2"
}
]
}thinkingMstLg Tinker
My opponent is attacking with **Lightning Phoenix** (2/2 flyer). I can block it with **Brineborn Cutthroat** (2/1). If I block, **Brineborn Cutthroat** will trade with **Lightning Phoenix**, but **Lightning Phoenix** has recursion if it dies.
**Strategic Considerations**:
- If I don’t block, **Lightning Phoenix** will deal **2 damage** to me, and my opponent can recur it at the end of the turn if they dealt 3+ damage this turn.
- If I block, I trade **Brineborn Cutthroat** for **Lightning Phoenix**, but my opponent can recur it if they meet the damage condition.
**Decision**:
- I’ll **block** with **Brineborn Cutthroat** to avoid taking **2 damage**. Trading a 2/1 for a 2/2 is reasonable, even if they can recur it later. I don’t want to take unnecessary damage early in the game.
mcpBrineborn Cutthroat blocks p34raw
choose_action(blockers=p28:p34)
{
"declared": [],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 114,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_block",
"failed": [
{
"reason": "unknown attacker ID: p34",
"id": "p28"
}
],
"next_action_message": "Play instants and activated abilities"
}thinkingMstLg Tinker
It seems I used the wrong ID for **Lightning Phoenix**. Let me check the board state again:
- **Lightning Phoenix** is **p35** (attacking me).
- **Brineborn Cutthroat** is **p28**.
I’ll declare **Brineborn Cutthroat (p28)** as a blocker for **Lightning Phoenix (p35)**.
llmchoose_action(blockers=p28:p35)
{
"retryable": true,
"game_seq": 120,
"success": false,
"warning": "Ignored blockers parameter (not in declare_blockers phase)",
"error_code": "missing_param",
"error": "GAME_SELECT requires choice=pN to play a card, or choice=\"no\" to pass priority. Call get_action_choices first to see available cards."
}moderate blunder
Blocked Lightning Phoenix with Brineborn Cutthroat, trading a high-upside growing creature for a recursive Phoenix that …
Blocked Lightning Phoenix with Brineborn Cutthroat, trading a high-upside growing creature for a recursive Phoenix that can return from the graveyard. At 20 life, taking 2 damage is negligible, while Cutthroat had significant growth potential with Soul Read and Synchronized Eviction in hand to cast on opponent's turns.
Analysis
Action taken: Blocked Lightning Phoenix (2/2) with Brineborn Cutthroat (2/1), resulting in both dying. Phoenix can recur, Cutthroat cannot.
Better line: Don't block. Take 2 damage (going to 18), preserve Brineborn Cutthroat to grow it on future opponent turns with instants in hand. The Cutthroat's long-term value far exceeds 2 life points, especially against a creature that can return from the graveyard.
thinkingMstLg Tinker
It seems I’m no longer in the **declare blockers** phase. I’ll pass priority and see what happens next.
llmchoose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 120,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
pass_priority(board_cursor=9)
{
"game_seq": 127,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T4 Precombat Main/Precombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 10,
"choices": [
{
"mana_cost": "{R}",
"name": "Burst Lightning",
"index": 0,
"action": "cast",
"id": "p33"
},
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 1,
"action": "cast",
"id": "p24"
}
],
"board": [
{
"hand_size": 6,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Brineborn Cutthroat",
"modified": true,
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 30,
"life": 18,
"hand": [
{
"mana_cost": "{R}",
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33",
"playable": true
},
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 30,
"life": 20
}
]
}gameMstLg Tinker loses 2 life at combat from Lightning Phoenix
— Combat Damage —
— Postcombat Main —
— MstLg Tinker's Turn 4 —
thinkingMstLg Tinker
I took **2 damage** from **Lightning Phoenix**, but I’m still in a decent position. My hand is strong, and I have **3 untapped lands** to work with.
**Current Board State**:
- **Brineborn Cutthroat** (2/1) is still alive (it must not have died in combat).
- I have **{U}{U}{R}** available from my lands.
- My hand has **Burst Lightning**, **Furious Rise**, **Goblin Warchief**, **Soul Read**, **Synchronized Eviction**, and **Tectonic Giant**.
**Priorities**:
1. **Goblin Warchief** is still a strong play to reduce costs and give haste to future Goblins.
2. **Furious Rise** is a solid enchantment to enable card advantage if I control a creature with power 4+.
3. **Tectonic Giant** is a strong finisher, but it’s expensive.
4. **Burst Lightning** can remove a small threat or finish off a damaged creature.
**Decision**:
- I’ll play **Goblin Warchief** first to enable future Goblin synergies. This reduces the cost of **Tectonic Giant** and other Goblins by {1}.
- I’ll hold **Furious Rise** for now, as I don’t yet have a creature with power 4+.
I’ll cast **Goblin Warchief** for {1}{R}{R}.
mcpCast Furious Rise {2}{R}raw
choose_action(choice=p29, mana_plan=p11:BLUE,p16:RED,p16:RED)
{
"error": "Unknown short ID: p29"
}thinkingMstLg Tinker
Let me confirm the IDs in my hand again:
- **Burst Lightning**: p33
- **Furious Rise**: p24
- **Goblin Warchief**: p30
- **Soul Read**: p31
- **Synchronized Eviction**: p32
- **Tectonic Giant**: p33 (duplicate, likely a typo—**Tectonic Giant** is p34)
I’ll cast **Goblin Warchief (p30)** with {1}{R}{R}.
mcpCast Furious Rise {2}{R}raw
choose_action(choice=p30, mana_plan=p11:BLUE,p16:RED,p16:RED)
{
"retryable": true,
"game_seq": 127,
"success": false,
"error_code": "invalid_choice",
"error": "Object p30 not found in current choices",
"choices": [
{
"mana_cost": "{R}",
"name": "Burst Lightning",
"index": 0,
"action": "cast",
"id": "p33"
},
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 1,
"action": "cast",
"id": "p24"
}
]
}thinkingMstLg Tinker
It seems **Goblin Warchief** is not listed in the current choices, which means it’s either not in my hand or not castable. Let me check my hand again:
- **Burst Lightning**: p33
- **Furious Rise**: p24
- **Goblin Warchief**: p30 (not listed, so likely not in hand)
- **Soul Read**: p31
- **Synchronized Eviction**: p32
- **Tectonic Giant**: p34
I’ll play **Furious Rise** instead, as it’s a strong enchantment that can generate card advantage if I control a creature with power 4+. I’ll cast it for {2}{R}.
mcpCast Furious Rise {2}{R}raw
choose_action(choice=p24, mana_plan=p11:BLUE,p11:BLUE,p16:RED)
{
"retryable": true,
"game_seq": 127,
"success": false,
"error_code": "invalid_mana_plan",
"error": "Invalid mana_plan: For input string: \"BLUE\". Expected: [\"p1\",\"p2:0\",\"RED\"]"
}thinkingMstLg Tinker
I made a mistake in the `mana_plan` format. I need to specify the land IDs and the mana they produce. Here’s the correct plan:
- **Island (p11)** for {U}
- **Thriving Bluff (p16)** for {R}
I’ll cast **Furious Rise** for {2}{R} using:
- **Island (p11)** for {U}{U}
- **Thriving Bluff (p16)** for {R}
mcpCast Furious Rise {2}{R}raw
choose_action(choice=p24, mana_plan=p11:1,p11:1,p16:1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 127,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_1",
"mana_plan_set": true,
"mana_plan_size": 3,
"next_action_message": "Play spells and abilities"
}MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 130,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Select attackers"
}moderate blunder
Player attempted to cast a spell but submitted an invalid mana plan (tapping Thriving Bluff twice), causing the action t…
Player attempted to cast a spell but submitted an invalid mana plan (tapping Thriving Bluff twice), causing the action to be rolled back. This resulted in passing with no action taken despite having castable spells (Burst Lightning for R, or Furious Rise for 2R). The opponent's Lightning Phoenix is on board as a threat that could have been killed with Burst Lightning, and Furious Rise could have been deployed as a card advantage engine.
Analysis
Action taken: No action taken due to failed mana payment (timeout/rollback).
Better line: Cast Burst Lightning targeting Lightning Phoenix (using Thriving Bluff for R), killing the 2/2 flyer while keeping UU open. Alternatively, cast Furious Rise (UUR) to set up future card advantage.
chatMstLg Tinker: Furious Rise is online—let’s see if I can dig up something spicy. Your Lightning Phoenix is resilient, but I’ve got tricks too!
thinkingMstLg Tinker
---
**Chat Message**:
*"Furious Rise is online—let’s see if I can dig up something spicy. Your Lightning Phoenix is resilient, but I’ve got tricks too!"*
mcpsend_chat_messageraw
send_chat_message(message=Furious Rise is online—let’s see if I ca...)
{
"success": true
}MstLg Tinkerllm
pass_priority(board_cursor=10)
{
"combat_phase": "attackers",
"game_seq": 132,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 3,
"message": "Select attackers",
"action_pending": true,
"context": "T4 Combat/Declare Attackers (MstLg Tinker)",
"recent_chat": [
"[System] Spell cancelled — mana plan was incorrect or incomplete."
],
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 11,
"choices": [
{
"name": "Brineborn Cutthroat",
"index": 0,
"choice_type": "attacker",
"id": "p28",
"power": "2",
"toughness": "1"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 6,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Brineborn Cutthroat",
"modified": true,
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 30,
"life": 18,
"hand": [
{
"mana_cost": "{R}",
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 30,
"life": 20
}
]
}— Declare Attackers —
thinkingMstLg Tinker
I have **Brineborn Cutthroat (2/1)** as my only attacker. My opponent has **Lightning Phoenix (2/2 flyer)** and **Marauder's Axe** (which could be equipped to make a creature larger).
**Strategic Considerations**:
- If I attack with **Brineborn Cutthroat**, my opponent could block it with **Lightning Phoenix**, trading a 2/1 for a 2/2. This is a **bad trade** for me, as **Lightning Phoenix** can recur from the graveyard.
- If I don’t attack, I preserve **Brineborn Cutthroat** for blocking or future growth via its triggered ability.
**Decision**:
- I’ll **skip attacking** this turn to preserve **Brineborn Cutthroat** for defense or future value. I don’t want to trade it for **Lightning Phoenix** unnecessarily.
mcpPassraw
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 132,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
pass_priority(board_cursor=11)
{
"game_seq": 138,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T4 Postcombat Main/Postcombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 12,
"choices": [
{
"mana_cost": "{R}",
"name": "Burst Lightning",
"index": 0,
"action": "cast",
"id": "p33"
}
],
"board": [
{
"hand_size": 6,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Brineborn Cutthroat",
"modified": true,
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 30,
"life": 18,
"hand": [
{
"mana_cost": "{R}",
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33",
"playable": true
},
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 30,
"life": 20
}
]
}minor blunder
Failed to attack with Brineborn Cutthroat (2/1) when the opponent has no untapped blockers.
Failed to attack with Brineborn Cutthroat (2/1) when the opponent has no untapped blockers. Lightning Phoenix can't block, and all opponent's lands are tapped. This is 2 free damage with zero risk.
Analysis
Action taken: Declined to attack, passing the combat phase.
Better line: Attack with Brineborn Cutthroat for 2 free damage. The opponent has no blockers available and no mana to cast anything.
— Postcombat Main —
thinkingMstLg Tinker
I have **{R}** available from **Thriving Bluff**, and I can cast **Burst Lightning** to remove a small threat or finish off a damaged creature.
**Current Board State**:
- My opponent controls **Lightning Phoenix (2/2 flyer)** and **Marauder's Axe** (which could be equipped to a creature).
- I have **Brineborn Cutthroat (2/1)** and **Furious Rise** on the battlefield.
**Options**:
1. **Target Lightning Phoenix**: **Burst Lightning** deals **2 damage**, which would kill **Lightning Phoenix** (2/2). This is a **good trade**, as it removes their best creature and prevents recursion.
2. **Hold mana**: I could hold **{R}** to play **Burst Lightning** in response to a future spell or ability.
**Decision**:
- I’ll cast **Burst Lightning** targeting **Lightning Phoenix** to remove it from the board. This is a **high-value play** and prevents my opponent from recurring it.
mcpCast Burst Lightning {R}raw
choose_action(choice=p33, targets=["p35"])
{
"next_action_pending": true,
"next_action_type": "GAME_ASK",
"game_seq": 138,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Pay Kicker {4} ?"
}thinkingMstLg Tinker
**Burst Lightning** has **kicker {4}**, which would deal **4 damage** instead of **2**. However, I only have **{R}** available right now, and I don’t want to overcommit mana.
**Decision**:
- I’ll **not pay the kicker** and deal **2 damage** to **Lightning Phoenix**, which is enough to kill it.
llmchoose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 139,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "no",
"next_action_message": "Select any target"
}questionable
Using Burst Lightning on Lightning Phoenix is inefficient because the Phoenix can recur from the graveyard whenever the …
Using Burst Lightning on Lightning Phoenix is inefficient because the Phoenix can recur from the graveyard whenever the opponent deals 3+ damage in a turn. While opponent's lands are tapped now preventing immediate recursion, the Phoenix will likely return in future turns, making this removal temporary. Burst Lightning could be saved for a non-recursive threat or used as reach to close out the game.
Analysis
Action taken: Cast Burst Lightning targeting Lightning Phoenix
Better line: Hold Burst Lightning for a more permanent removal target or for face damage as a finisher. The Phoenix is annoying but recurring creatures are poor removal targets. Passing the turn and potentially casting Soul Read or Synchronized Eviction on opponent's turn (at instant speed) to develop card advantage would be more efficient.
thinkingMstLg Tinker
I already selected **Lightning Phoenix (p35)** as the target for **Burst Lightning**, so I’ll confirm the target.
llmchoose_action(choice=p35)
{
"retryable": true,
"game_seq": 140,
"success": false,
"error_code": "invalid_choice",
"error": "Object p35 not found in current choices",
"choices": [
{
"is_you": true,
"name": "MstLg Tinker",
"target_type": "player",
"index": 0,
"id": "p2"
},
{
"name": "Brineborn Cutthroat",
"target_type": "permanent",
"index": 1,
"power": "2",
"id": "p28",
"toughness": "1"
},
{
"name": "GPT5 Gramps",
"target_type": "player",
"index": 2,
"id": "p1"
},
{
"tapped": true,
"controller": "GPT5 Gramps",
"name": "Lightning Phoenix",
"target_type": "permanent",
"index": 3,
"power": "2",
"id": "p5",
"toughness": "2"
}
]
}thinkingMstLg Tinker
I see the issue—**Lightning Phoenix** is now **p5** (it must have changed IDs after being recast or moved). I’ll target **Lightning Phoenix (p5)** with **Burst Lightning**.
llmchoose_action(choice=p5)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 140,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_3",
"next_action_message": "Choose spell or ability to play: Thriving Bluff"
}thinkingMstLg Tinker
I don’t need to activate **Thriving Bluff** right now. I’ll pass priority and let **Burst Lightning** resolve.
llmchoose_action(choice=no)
{
"retryable": true,
"game_seq": 142,
"success": false,
"error_code": "missing_param",
"error": "GAME_CHOOSE_ABILITY requires index=N. Call get_action_choices first to see the available abilities, then choose_action with the index of the one you want.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {R}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}thinkingMstLg Tinker
I’m forced to select an ability for **Thriving Bluff**, but I don’t want to activate it. I’ll select the first ability (**{T}: Add {R}**) and pass priority immediately after.
llmchoose_action(choice=0)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 142,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_0",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 145,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play spells and abilities"
}gameMstLg Tinker casts Burst Lightning targeting Lightning Phoenix from hand
gameBurst Lightning deals 2 damage to Lightning Phoenix
gameMstLg Tinker puts Burst Lightning from stack into their graveyard
gameLightning Phoenix died
— GPT5 Gramps's Turn 4 —
chatGPT5 Gramps: Tidy little flash play last turn. Back in my day we cast our bears at sorcery speed and liked it, young whippersnapper.
GPT5 Grampsllm
pass_priority(until=end_of_turn, board_cursor=12)
{
"game_seq": 152,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T4 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"recent_chat": [
"MstLg Tinker: Furious Rise is online—let’s see if I can dig up something spicy. Your Lightning Phoenix is resilient, but I’ve got tricks too!"
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 13,
"choices": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"index": 1,
"action": "cast",
"id": "p3"
},
{
"mana_cost": "{2}{R}",
"name": "Weaver of Lightning",
"index": 2,
"action": "cast",
"id": "p25",
"power": "1",
"toughness": "4"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
}
],
"name": "GPT5 Gramps",
"library_size": 29,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3",
"playable": true
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{R}",
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"power": "1",
"id": "p25",
"toughness": "4",
"playable": true
}
]
},
{
"hand_size": 5,
"graveyard": [
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 30,
"life": 18
}
]
}GPT5 GrampsmcpCast Weaver of Lightning {2}{R}
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p25)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 152,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_2",
"next_action_message": "Choose spell or ability to play: Thriving Grove"
}GPT5 Grampsmcpsend_chat_message
raw
send_chat_message(message=Tidy little flash play last turn. Back i...)
{
"success": true
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=2)
{
"retryable": true,
"game_seq": 154,
"success": false,
"error_code": "index_out_of_range",
"error": "Index 2 is out of range (valid: 0-1). Call get_action_choices to see current options.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {G}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 154,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps casts Weaver of Lightning from hand
gameGPT5 Gramps puts Weaver of Lightning from stack onto the Battlefield
— Declare Attackers —
— Postcombat Main —
— MstLg Tinker's Turn 5 —
MstLg Tinkerllm
pass_priority(board_cursor=12)
{
"game_seq": 171,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T5 Precombat Main/Precombat Main (MstLg Tinker) YOUR_MAIN",
"recent_chat": [
"GPT5 Gramps: Tidy little flash play last turn. Back in my day we cast our bears at sorcery speed and liked it, young whippersnapper."
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 14,
"choices": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 0,
"action": "cast",
"id": "p24"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 1,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Brineborn Cutthroat",
"modified": true,
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 5,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "1",
"toughness": "4",
"summoning_sick": true
}
],
"name": "GPT5 Gramps",
"library_size": 29,
"life": 20
}
]
}thinkingMstLg Tinker
**Lightning Phoenix** is in the graveyard, and my opponent has **Weaver of Lightning (1/4 with reach)** on the battlefield. I can play **Temur Battle Rage** to give **Brineborn Cutthroat** double strike and trample (since I control **Furious Rise**, which meets the **ferocious** condition).
**Strategic Considerations**:
- **Temur Battle Rage** costs {1}{R}, which I can pay with **Thriving Bluff** ({R}) and **Island** ({U}, which can be used for {1}).
- If I give **Brineborn Cutthroat** double strike and trample, it can deal **4 damage** to my opponent (2 damage first strike, 2 damage regular strike).
- This would put my opponent at **16 life**, which is a significant swing.
**Decision**:
- I’ll cast **Temur Battle Rage** targeting **Brineborn Cutthroat** to maximize damage and close the game quickly.
mcpCast Temur Battle Rage {1}{R}raw
choose_action(choice=p38, targets=["p28"], mana_plan=p11:1,p16:1)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 171,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_1",
"mana_plan_set": true,
"mana_plan_size": 2,
"next_action_message": "Select a creature"
}thinkingMstLg Tinker
I already selected **Brineborn Cutthroat (p28)** as the target for **Temur Battle Rage**, so I’ll confirm the target.
llmchoose_action(choice=p28)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 172,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_0",
"next_action_message": "Play spells and abilities"
}minor blunder
Attempted to cast Temur Battle Rage (which was rolled back due to mana issues) instead of Furious Rise.
Attempted to cast Temur Battle Rage (which was rolled back due to mana issues) instead of Furious Rise. Temur Battle Rage on a 2/1 Brineborn Cutthroat would be a poor use of the combat trick even if it resolved - dealing 4 damage to a 20-life opponent while spending a card. Furious Rise would provide ongoing card advantage, especially once Tectonic Giant (4 power, in hand) comes down to trigger it.
Analysis
Action taken: Attempted to cast Temur Battle Rage, which failed due to mana payment issues, resulting in no action.
Better line: Cast Furious Rise for {2}{R} to set up recurring card advantage. With Tectonic Giant in hand as a 4-power creature to enable it, Furious Rise would generate significant value over the coming turns.
chatMstLg Tinker: Double strike and trample? Let’s see if your Weaver can handle this!
MstLg Tinkerllm
choose_action(choice=no)
{
"game_seq": 178,
"success": true,
"action_taken": "passed_priority"
}thinkingMstLg Tinker
---
**Chat Message**:
*"Double strike and trample? Let’s see if your Weaver can handle this!"*
mcpsend_chat_messageraw
send_chat_message(message=Double strike and trample? Let’s see if ...)
{
"success": true
}GPT5 Grampsllm
pass_priority(until=begin_combat, board_cursor=14)
{
"game_seq": 179,
"action_type": "GAME_SELECT",
"stop_reason": "step_not_reached",
"action_pending": true,
"current_step": "Precombat Main"
}— Declare Attackers —
MstLg Tinkerllm
pass_priority(board_cursor=14)
{
"combat_phase": "attackers",
"game_seq": 180,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 3,
"message": "Select attackers",
"action_pending": true,
"context": "T5 Combat/Declare Attackers (MstLg Tinker)",
"recent_chat": [
"[System] Spell cancelled — not enough mana to complete payment."
],
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 16,
"choices": [
{
"name": "Brineborn Cutthroat",
"index": 0,
"choice_type": "attacker",
"id": "p28",
"power": "2",
"toughness": "1"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Brineborn Cutthroat",
"modified": true,
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38"
}
]
},
{
"hand_size": 5,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "1",
"toughness": "4",
"summoning_sick": true
}
],
"name": "GPT5 Gramps",
"library_size": 29,
"life": 20
}
]
}thinkingMstLg Tinker
**Brineborn Cutthroat** has **double strike and trample** from **Temur Battle Rage**. My opponent controls **Weaver of Lightning (1/4 with reach)**, which can block.
**Combat Math**:
- If **Brineborn Cutthroat (2/1)** attacks and is blocked by **Weaver of Lightning (1/4)**, it will deal **2 damage** in the first strike combat damage step, killing **Weaver of Lightning** (1 toughness remaining).
- In the regular combat damage step, **Brineborn Cutthroat** will deal **2 trample damage** to my opponent, putting them at **18 life**.
- If **Brineborn Cutthroat** is **not blocked**, it will deal **4 damage** to my opponent (2 first strike + 2 regular), putting them at **16 life**.
**Strategic Considerations**:
- My opponent is unlikely to block **Brineborn Cutthroat** with **Weaver of Lightning**, as it’s a **bad trade** for them (they lose a 1/4 for a 2/1).
- Even if they block, I still deal **2 trample damage** and remove their blocker.
- If they don’t block, I deal **4 damage** and put them at **16 life**.
**Decision**:
- I’ll **attack with Brineborn Cutthroat** to maximize damage and pressure.
mcpAttack with Brineborn Cutthroat 2/1raw
choose_action(attackers=p28)
{
"declared": [
"p28"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 180,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_attack",
"next_action_message": "Play instants and activated abilities"
}gameMstLg Tinker attacks GPT5 Gramps with 1 creature
— Declare Blockers —
GPT5 Grampsllm
pass_priority(until=begin_combat, board_cursor=14)
{
"combat_phase": "blockers",
"game_seq": 187,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"combat": [
{
"blocked": false,
"defending": "GPT5 Gramps",
"attackers": [
{
"name": "Brineborn Cutthroat",
"id": "p28",
"power": "2",
"toughness": "1"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T5 Combat/Declare Blockers (MstLg Tinker)",
"recent_chat": [
"MstLg Tinker: Double strike and trample? Let’s see if your Weaver can handle this!"
],
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 15,
"choices": [
{
"name": "Weaver of Lightning",
"index": 0,
"choice_type": "blocker",
"id": "p25",
"power": "1",
"toughness": "4"
}
],
"board": [
{
"hand_size": 5,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "1",
"toughness": "4",
"summoning_sick": true
}
],
"name": "GPT5 Gramps",
"library_size": 29,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18
}
],
"incoming_attackers": [
{
"name": "Brineborn Cutthroat",
"id": "p28",
"power": "2",
"toughness": "1"
}
]
}GPT5 Grampsllm
get_game_state(cursor=0)
{
"phase": "Combat",
"priority_player": "GPT5 Gramps",
"cursor": 5,
"stack": [],
"game_seq": 187,
"active_player": "MstLg Tinker",
"players": [
{
"hand_size": 5,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "1",
"toughness": "4",
"summoning_sick": true
}
],
"name": "GPT5 Gramps",
"library_size": 29,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18
}
],
"available": true,
"step": "Declare Blockers",
"combat": [
{
"blocked": false,
"defending": "GPT5 Gramps",
"attackers": [
{
"name": "Brineborn Cutthroat",
"id": "p28",
"power": "2",
"toughness": "1"
}
]
}
],
"turn": 5
}GPT5 GrampsmcpWeaver of Lightning blocks Brineborn Cutthroat
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=p25:p28, text=, choice=)
{
"declared": [
{
"blocks": "p28",
"id": "p25"
}
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 187,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_block",
"next_action_message": "Play instants and activated abilities"
}gameAttacker: Brineborn Cutthroat (2/1) blocked by Weaver of Lightning (1/4)
gameWeaver of Lightning deals 1 damage to Brineborn Cutthroat
gameBrineborn Cutthroat deals 2 damage to Weaver of Lightning
gameBrineborn Cutthroat died
— Combat Damage —
— Postcombat Main —
chatMstLg Tinker: Hmm, what happens if I don’t meet the Furious Rise condition? Does it just fizzle, or does it wait for a valid target? Rules engines are so fascinating!
MstLg Tinkerllm
pass_priority(board_cursor=16)
{
"game_seq": 199,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T5 Postcombat Main/Postcombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 17,
"choices": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 0,
"action": "cast",
"id": "p24"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 5,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "1",
"toughness": "4",
"summoning_sick": true
}
],
"name": "GPT5 Gramps",
"library_size": 29,
"life": 20
}
]
}thinkingMstLg Tinker
**Brineborn Cutthroat** died in combat, but I still control **Furious Rise**, which means I can exile the top card of my library at the end of my turn if I control a creature with power 4+.
**Current Board State**:
- I have **Goblin Warchief** in hand, which is a **2/2** for {1}{R}{R}.
- I have **{U}{U}{R}** available from my lands.
- If I cast **Goblin Warchief**, I’ll have a **2/2** on the battlefield, which doesn’t meet the **power 4+** condition for **Furious Rise**.
**Decision**:
- I’ll **pass priority** and end my turn. I don’t want to cast **Goblin Warchief** just to enable **Furious Rise**, as it’s not worth the mana investment right now. I’ll wait for a better opportunity to play a **power 4+** creature.
MstLg TinkermcpPass
raw
choose_action(choice=no)
{
"game_seq": 199,
"success": true,
"action_taken": "passed_priority"
}thinkingMstLg Tinker
---
**Chat Message**:
*"Hmm, what happens if I don’t meet the Furious Rise condition? Does it just fizzle, or does it wait for a valid target? Rules engines are so fascinating!"*
mcpsend_chat_messageraw
send_chat_message(message=Hmm, what happens if I don’t meet the Fu...)
{
"success": true
}questionable
Passed with Furious Rise as the only castable spell while opponent is tapped out.
Passed with Furious Rise as the only castable spell while opponent is tapped out. While Furious Rise does nothing without a power 4+ creature, deploying it now when opponent can't interact sets up future card advantage once Tectonic Giant (in hand) is cast. The mana would otherwise go unused since there are no other plays available.
Analysis
Action taken: Passed priority, ending the turn with 3 untapped lands and no plays made.
Better line: Cast Furious Rise now while opponent is tapped out, setting up the enchantment for when Tectonic Giant eventually hits the battlefield. The 3 mana would be wasted anyway since there are no other castable spells.
GPT5 Grampsllm
pass_priority(until=postcombat_main, board_cursor=15)
{
"game_seq": 200,
"action_type": "GAME_SELECT",
"context": "T5 Postcombat Main/Postcombat Main (MstLg Tinker)",
"stop_reason": "reached_step",
"response_type": "boolean",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"message": "Play instants and activated abilities",
"board_cursor": 16,
"board": [
{
"hand_size": 5,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "1",
"toughness": "4",
"summoning_sick": true
}
],
"name": "GPT5 Gramps",
"library_size": 29,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18
}
],
"action_pending": true,
"current_step": "Postcombat Main"
}GPT5 Grampsllm
pass_priority(until=my_turn, board_cursor=16)
{
"game_seq": 201,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T5 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 17,
"choices": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"index": 1,
"action": "cast",
"id": "p3"
},
{
"name": "Marauder's Axe",
"index": 2,
"action": "activate",
"playable_abilities": [
"Equip {2} <i>({2}: Attach to target creature you ..."
],
"id": "p6"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "1",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3",
"playable": true
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18
}
]
}— GPT5 Gramps's Turn 5 —
GPT5 GrampsmcpActivate Marauder's Axe
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p6)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 201,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_2",
"next_action_message": "Choose spell or ability to play: Thriving Grove"
}minor blunder
Equipping Marauder's Axe before casting Irresistible Prey wastes a free draw that could inform the rest of the turn.
Equipping Marauder's Axe before casting Irresistible Prey wastes a free draw that could inform the rest of the turn. Both cost the same total mana (Prey costs {G}, Equip costs {2}, total {2}{G} = 3 mana), but casting the cantrip first gives information and potentially draws a land to play, opening up more options like casting Dawntreader Elk as well.
Analysis
Action taken: Activated Marauder's Axe (equip) before casting any spells
Better line: Cast Irresistible Prey targeting Weaver of Lightning for {G} to draw a card first, then with the drawn card's information (and potentially an extra land drop), decide whether to equip the Axe or take a different line.
GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 203,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play instants and activated abilities"
}GPT5 Grampsllm
pass_priority(until=precombat_main, board_cursor=18)
{
"stack": [
{
"name": "Ability",
"targets": [
{
"name": "Weaver of Lightning (1/4) (yours)",
"id": "p25"
}
]
}
],
"game_seq": 208,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "boolean",
"untapped_lands": 1,
"message": "Play instants and activated abilities",
"action_pending": true,
"land_drops_used": 0,
"context": "T5 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"board_cursor": 19,
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "1",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18
}
],
"current_step": "Precombat Main"
}gameGPT5 Gramps activates: Equip. from Marauder's Axe targeting Weaver of Lightning
MstLg Tinkerllm
pass_priority(board_cursor=17)
{
"game_seq": 211,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play instants and activated abilities",
"action_pending": true,
"has_playable_cards": true,
"context": "T5 Precombat Main/Precombat Main (GPT5 Gramps)",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 18,
"choices": [
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 0,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20
}
]
}thinkingMstLg Tinker
My opponent has **Weaver of Lightning (3/4 with reach)** on the battlefield, and I have **Temur Battle Rage** in hand. I also have **{U}{R}** available from my lands.
**Strategic Considerations**:
- If I cast **Temur Battle Rage** on **Weaver of Lightning**, it would gain **double strike and trample**, but it’s already a **3/4**, so it wouldn’t deal lethal damage to my opponent.
- I don’t have a creature to attack with, so **Temur Battle Rage** is **useless** right now.
**Decision**:
- I’ll **pass priority** and wait for a better opportunity to use **Temur Battle Rage**.
MstLg TinkermcpPass
raw
choose_action(choice=no)
{
"game_seq": 211,
"success": true,
"action_taken": "passed_priority"
}— Declare Attackers —
GPT5 Grampsllm
pass_priority(until=begin_combat, board_cursor=19)
{
"combat_phase": "attackers",
"game_seq": 212,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 1,
"message": "Select attackers",
"action_pending": true,
"context": "T5 Combat/Declare Attackers (GPT5 Gramps)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 20,
"choices": [
{
"name": "Weaver of Lightning",
"index": 0,
"choice_type": "attacker",
"id": "p25",
"power": "3",
"toughness": "4"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18
}
]
}GPT5 GrampsmcpAttack with Weaver of Lightning 3/4
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=p25, blockers=, text=, choice=)
{
"declared": [
"p25"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 212,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_attack",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps attacks MstLg Tinker with 1 creature
— Declare Blockers —
MstLg Tinkerllm
pass_priority(board_cursor=18)
{
"game_seq": 221,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"combat": [
{
"blocked": false,
"defending": "MstLg Tinker",
"attackers": [
{
"name": "Weaver of Lightning",
"id": "p25",
"power": "3",
"toughness": "4"
}
]
}
],
"message": "Play instants and activated abilities",
"action_pending": true,
"has_playable_cards": true,
"context": "T5 Combat/Declare Blockers (GPT5 Gramps)",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 19,
"choices": [
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 0,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 18,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20
}
]
}thinkingMstLg Tinker
My opponent is attacking with **Weaver of Lightning (3/4 with reach)**, which will deal **3 damage** to me if unblocked.
**Strategic Considerations**:
- I have **Temur Battle Rage** in hand, which costs {1}{R}. I can cast it to give **Weaver of Lightning** double strike and trample.
- If I do this, **Weaver of Lightning** will deal **3 first strike damage** to me (killing me) and **3 trample damage** to me in the regular combat damage step, which is **lethal**.
- This is a **terrible idea**, as it would kill me instantly.
**Decision**:
- I’ll **pass priority** and let **Weaver of Lightning** deal **3 damage** to me. I’ll drop to **15 life**, but I’ll survive and preserve my resources for a better play.
mcpPassraw
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 221,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}gameMstLg Tinker loses 3 life at combat from Weaver of Lightning
— Combat Damage —
— Postcombat Main —
GPT5 Grampsllm
pass_priority(until=postcombat_main, board_cursor=20)
{
"game_seq": 226,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "boolean",
"untapped_lands": 1,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"context": "T5 Postcombat Main/Postcombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"board_cursor": 21,
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 15
}
],
"current_step": "Postcombat Main"
}MstLg Tinkerllm
pass_priority(board_cursor=19)
{
"game_seq": 227,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play instants and activated abilities",
"action_pending": true,
"has_playable_cards": true,
"context": "T5 Postcombat Main/Postcombat Main (GPT5 Gramps)",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 20,
"choices": [
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 0,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 29,
"life": 15,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield."
],
"id": "p5"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20
}
]
}thinkingMstLg Tinker
I still have **Temur Battle Rage** in hand, but I don’t have a creature to attack with, and my opponent’s **Weaver of Lightning** is tapped. There’s no value in casting it now.
**Decision**:
- I’ll **pass priority** and end my turn.
mcpPassraw
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 227,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps - Ability triggers: Lightning Phoenix - At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.
— End Step —
GPT5 Grampsllm
pass_priority(until=end_of_turn, board_cursor=21)
{
"stack": [
{
"name": "Ability",
"targets": [
{
"name": "GPT5 Gramps (you)",
"id": "p1"
}
]
}
],
"game_seq": 232,
"action_type": "GAME_ASK",
"board_unchanged": true,
"context": "T5 End/End Turn (GPT5 Gramps)",
"stop_reason": "non_priority_action",
"response_type": "boolean",
"untapped_lands": 1,
"respond_with": "choice=yes or choice=no",
"message": "Pay {R} and return this card from your graveyard to the battlefield?",
"board_cursor": 21,
"action_pending": true
}GPT5 Grampsmcptrue
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=yes)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 232,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "yes",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps paid for Lightning Phoenix - Pay {R} and return this card from your graveyard to the battlefield?
gameGPT5 Gramps puts Lightning Phoenix from graveyard onto the Battlefield
— MstLg Tinker's Turn 6 —
MstLg Tinkerllm
pass_priority(board_cursor=20)
{
"game_seq": 236,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T6 Precombat Main/Precombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 21,
"choices": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 0,
"action": "cast",
"id": "p24"
},
{
"name": "Island",
"index": 1,
"action": "land",
"id": "p44"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 2,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 7,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 28,
"life": 15,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p44",
"playable": true
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20
}
]
}thinkingMstLg Tinker
I have **{U}{U}{R}** available from my lands, and I drew an **Island** this turn. My opponent has **Lightning Phoenix (2/2 flyer)** and **Weaver of Lightning (3/4 with reach)** on the battlefield.
**Strategic Considerations**:
1. **Play Island (p44)**: I have **3 lands** already, but I can play a **4th land** to enable more powerful plays in future turns. This is a **safe play** and ensures I don’t flood.
2. **Cast Furious Rise (p24)**: I don’t have a **power 4+** creature, so this won’t trigger its ability. It’s not worth casting right now.
3. **Cast Temur Battle Rage (p38)**: I don’t have a creature to attack with, so this is **useless** right now.
**Decision**:
- I’ll **play Island (p44)** to ensure I have **4 lands** for future turns. This is the **optimal play** to maintain flexibility.
mcpPlay Islandraw
choose_action(choice=p44)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 236,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_1",
"next_action_message": "Play spells and abilities"
}gameMstLg Tinker puts Island from hand onto the Battlefield
MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 240,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
pass_priority(board_cursor=21)
{
"game_seq": 246,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 4,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 1,
"has_playable_cards": true,
"context": "T6 Postcombat Main/Postcombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 22,
"choices": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 0,
"action": "cast",
"id": "p24"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"index": 1,
"action": "cast",
"id": "p13"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 2,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 28,
"life": 15,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13",
"playable": true
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 28,
"life": 20
}
]
}— Declare Attackers —
— Postcombat Main —
thinkingMstLg Tinker
I have **{U}{U}{U}{R}** available from my lands. My opponent controls **Lightning Phoenix (2/2 flyer)** and **Weaver of Lightning (3/4 with reach)**.
**Strategic Considerations**:
1. **Cast Soul Read (p13)**:
- I can **counter a spell** if my opponent plays one, but they haven’t cast anything yet.
- Alternatively, I can **draw two cards**, which is **high value** for {3}{U}. This helps me find answers or threats.
2. **Cast Furious Rise (p24)**:
- I don’t have a **power 4+** creature, so this won’t trigger its ability. Not worth casting.
3. **Cast Temur Battle Rage (p38)**:
- I don’t have a creature to attack with, so this is **useless** right now.
**Decision**:
- I’ll cast **Soul Read (p13)** to **draw two cards**. This improves my hand quality and gives me more options for future turns.
mcpCast Soul Read {3}{U}raw
choose_action(choice=p13)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 246,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_1",
"next_action_message": "Choose mode (selected 0 of 1, min 1): Soul Read"
}thinkingMstLg Tinker
**Soul Read** has two modes:
1. **Counter target spell unless its controller pays {4}** (not useful right now, as no spell is on the stack).
2. **Draw two cards** (high value, as it improves my hand quality).
**Decision**:
- I’ll choose **mode 2 (Draw two cards)** to maximize value.
mcp2. Draw two cards.raw
choose_action(choice=0)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 247,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_0",
"next_action_message": "Choose spell or ability to play: Thriving Bluff"
}MstLg Tinkerllm
choose_action(choice=no)
{
"retryable": true,
"game_seq": 249,
"success": false,
"error_code": "missing_param",
"error": "GAME_CHOOSE_ABILITY requires index=N. Call get_action_choices first to see the available abilities, then choose_action with the index of the one you want.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {R}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}thinkingMstLg Tinker
I need to activate **Thriving Bluff** to pay for **Soul Read**, but I don’t need to activate it right now. I’ll pass priority and let **Soul Read** resolve.
llmchoose_action(choice=no)
{
"retryable": true,
"game_seq": 249,
"success": false,
"error_code": "missing_param",
"error": "GAME_CHOOSE_ABILITY requires index=N. Call get_action_choices first to see the available abilities, then choose_action with the index of the one you want.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {R}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}thinkingMstLg Tinker
I’m forced to select an ability for **Thriving Bluff**, but I don’t need to activate it. I’ll select the first ability (**{T}: Add {R}**) and pass priority immediately after.
llmchoose_action(choice=0)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 249,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_0",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 255,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play spells and abilities"
}gameMstLg Tinker casts Soul Read (mode 2) from hand
gameMstLg Tinker puts Soul Read from stack into their graveyard
— GPT5 Gramps's Turn 6 —
chatGPT5 Gramps: Look at you, tapped out like a whippersnapper who never learned to float mana. Back in my day we left up Counterspell with real Islands, none of this newfangled Thriving business.
GPT5 Grampsllm
pass_priority(until=my_turn, board_cursor=21)
{
"game_seq": 260,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T6 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 22,
"choices": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"index": 1,
"action": "cast",
"id": "p3"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"index": 2,
"action": "cast",
"id": "p49",
"power": "2",
"toughness": "1"
},
{
"name": "Marauder's Axe",
"index": 3,
"action": "activate",
"playable_abilities": [
"Equip {2} <i>({2}: Attach to target creature you ..."
],
"id": "p6"
}
],
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 27,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3",
"playable": true
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"power": "2",
"id": "p49",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 7,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 26,
"life": 15
}
]
}GPT5 Grampsllm
get_game_state(cursor=5)
{
"phase": "Precombat Main",
"priority_player": "GPT5 Gramps",
"cursor": 8,
"stack": [],
"game_seq": 260,
"active_player": "GPT5 Gramps",
"players": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 27,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3",
"playable": true
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"power": "2",
"id": "p49",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 7,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 26,
"life": 15
}
],
"available": true,
"step": "Precombat Main",
"turn": 6
}GPT5 Grampsllm
pass_priority(until=precombat_main, board_cursor=22)
{
"game_seq": 260,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"board_unchanged": true,
"context": "T6 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 22,
"choices": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"index": 1,
"action": "cast",
"id": "p3"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"index": 2,
"action": "cast",
"id": "p49",
"power": "2",
"toughness": "1"
},
{
"name": "Marauder's Axe",
"index": 3,
"action": "activate",
"playable_abilities": [
"Equip {2} <i>({2}: Attach to target creature you ..."
],
"id": "p6"
}
],
"current_step": "Precombat Main"
}GPT5 Grampsmcpsend_chat_message
raw
send_chat_message(message=Look at you, tapped out like a whippersn...)
{
"success": true
}GPT5 GrampsmcpCast Irresistible Prey {G}
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p3)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 260,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_1",
"next_action_message": "Select a creature"
}GPT5 GrampsmcpLightning Phoenix
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p5)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 261,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_0",
"next_action_message": "Choose spell or ability to play: Thriving Grove"
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=2)
{
"retryable": true,
"game_seq": 263,
"success": false,
"error_code": "index_out_of_range",
"error": "Index 2 is out of range (valid: 0-1). Call get_action_choices to see current options.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {G}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 263,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play spells and abilities"
}GPT5 Grampsllm
pass_priority(until=begin_combat, board_cursor=23)
{
"combat_phase": "attackers",
"game_seq": 269,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 3,
"message": "Select attackers",
"action_pending": true,
"context": "T6 Combat/Declare Attackers (GPT5 Gramps)",
"recent_chat": [
"[System] Spell cancelled — not enough mana to complete payment."
],
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 24,
"choices": [
{
"name": "Weaver of Lightning",
"index": 0,
"choice_type": "attacker",
"id": "p25",
"power": "3",
"toughness": "4"
},
{
"name": "Lightning Phoenix",
"index": 1,
"choice_type": "attacker",
"id": "p5",
"power": "2",
"toughness": "2"
},
{
"name": "All attack",
"index": 2,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 27,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"power": "2",
"id": "p49",
"toughness": "1"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 7,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 26,
"life": 15
}
]
}— Declare Attackers —
GPT5 GrampsmcpAttack with Weaver of Lightning 3/4, Lightning Phoenix 2/2
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=p25,p5, blockers=, text=, choice=)
{
"declared": [
"p25",
"p5"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 269,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_attack",
"next_action_message": "Play instants and activated abilities"
}GPT5 Grampsllm
pass_priority(until=postcombat_main, board_cursor=24)
{
"game_seq": 287,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"context": "T6 Postcombat Main/Postcombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 25,
"choices": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"index": 1,
"action": "cast",
"id": "p49",
"power": "2",
"toughness": "1"
},
{
"name": "Marauder's Axe",
"index": 2,
"action": "activate",
"playable_abilities": [
"Equip {2} <i>({2}: Attach to target creature you ..."
],
"id": "p6"
}
],
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 27,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3",
"playable": true
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"power": "2",
"id": "p49",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
}
]
},
{
"hand_size": 7,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 26,
"life": 10
}
],
"current_step": "Postcombat Main"
}gameGPT5 Gramps attacks MstLg Tinker with 2 creatures
— Declare Blockers —
gameMstLg Tinker loses 3 life at combat from Weaver of Lightning
gameMstLg Tinker loses 2 life at combat from Lightning Phoenix
— Combat Damage —
— Postcombat Main —
GPT5 GrampsmcpActivate Marauder's Axe
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p6)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 287,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_2",
"next_action_message": "Select a creature you control"
}minor blunder
Moving Marauder's Axe (likely from Weaver of Lightning to Phoenix) reduces total attack power next turn.
Moving Marauder's Axe (likely from Weaver of Lightning to Phoenix) reduces total attack power next turn. Casting Dawntreader Elk instead would add a 2/2 body, providing more total damage (7 vs 5) and ramp potential to cast expensive threats like Somberwald Stag or Lightning Diadem.
Analysis
Action taken: Activated Marauder's Axe to re-equip it
Better line: Cast Dawntreader Elk for {1}{G}, adding a 2/2 body to the board. This provides more total combat damage next turn and the option to sacrifice it for ramp to cast Somberwald Stag or Lightning Diadem.
GPT5 GrampsmcpWeaver of Lightning
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p25)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 288,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_1",
"next_action_message": "Choose spell or ability to play: Thriving Grove"
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 290,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps activates: Equip. from Marauder's Axe targeting Weaver of Lightning
— MstLg Tinker's Turn 7 —
chatMstLg Tinker: Drawing cards is like peeling back the layers of a puzzle—each one reveals a new possibility. What’s next, I wonder?
MstLg Tinkerllm
pass_priority(board_cursor=23)
{
"game_seq": 298,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 4,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T7 Precombat Main/Precombat Main (MstLg Tinker) YOUR_MAIN",
"recent_chat": [
"GPT5 Gramps: Look at you, tapped out like a whippersnapper who never learned to float mana. Back in my day we left up Counterspell with real Islands, none of this newfangled Thriving business."
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 24,
"choices": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 0,
"action": "cast",
"id": "p24"
},
{
"name": "Island",
"index": 1,
"action": "land",
"id": "p52"
},
{
"name": "Mountain",
"index": 2,
"action": "land",
"id": "p47"
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"index": 3,
"action": "cast",
"id": "p48",
"power": "4",
"toughness": "2"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 4,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 8,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 25,
"life": 10,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p52",
"playable": true
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p47",
"playable": true
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"power": "4",
"id": "p48",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 27,
"life": 20
}
]
}thinkingMstLg Tinker
I have **{U}{U}{U}{R}** available from my lands, and I drew **Onakke Ogre** and a **Mountain** this turn. My opponent controls **Lightning Phoenix (2/2 flyer)** and **Weaver of Lightning (3/4 with reach)**.
**Strategic Considerations**:
1. **Play Mountain (p47)**: I can play a **5th land** to ensure I have enough mana for future plays. This is a **safe play** and ensures I don’t flood.
2. **Cast Onakke Ogre (p48)**: A **2/2** for {2}{R} is a **decent body**, but it doesn’t pressure my opponent much.
3. **Cast Furious Rise (p24)**: I don’t have a **power 4+** creature, so this won’t trigger its ability. Not worth casting.
4. **Cast Temur Battle Rage (p38)**: I don’t have a creature to attack with, so this is **useless** right now.
**Decision**:
- I’ll **play Mountain (p47)** to ensure I have **5 lands** for future turns. This gives me flexibility to cast **Tectonic Giant** or **Synchronized Eviction** next turn.
mcpPlay Mountainraw
choose_action(choice=p47)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 298,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_2",
"next_action_message": "Play spells and abilities"
}thinkingMstLg Tinker
---
**Chat Message**:
*"Drawing cards is like peeling back the layers of a puzzle—each one reveals a new possibility. What’s next, I wonder?"*
mcpsend_chat_messageraw
send_chat_message(message=Drawing cards is like peeling back the l...)
{
"success": true
}MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 302,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}gameMstLg Tinker puts Mountain from hand onto the Battlefield
MstLg Tinkerllm
pass_priority(board_cursor=24)
{
"game_seq": 308,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 5,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 1,
"has_playable_cards": true,
"context": "T7 Postcombat Main/Postcombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 25,
"choices": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 0,
"action": "cast",
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"index": 1,
"action": "cast",
"id": "p10",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"index": 2,
"action": "cast",
"id": "p48",
"power": "4",
"toughness": "2"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"index": 3,
"action": "cast",
"id": "p14"
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"index": 4,
"action": "cast",
"id": "p15",
"power": "3",
"toughness": "4"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 5,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 7,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 25,
"life": 10,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2",
"playable": true
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p52"
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"power": "4",
"id": "p48",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 0"
],
"id": "p14",
"playable": true
},
{
"mana_cost": "{2}{R}{R}",
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"power": "3",
"id": "p15",
"toughness": "4",
"playable": true
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 27,
"life": 20
}
]
}— Declare Attackers —
— Postcombat Main —
thinkingMstLg Tinker
I have **{U}{U}{U}{R}{R}** available from my lands. My opponent controls **Lightning Phoenix (2/2 flyer)** and **Weaver of Lightning (3/4 with reach)**.
**Strategic Considerations**:
1. **Cast Tectonic Giant (p15)**:
- A **3/4** for {2}{R}{R} is a **strong body** and has a **powerful triggered ability**.
- Its ability lets me **deal 3 damage to each opponent** or **exile the top two cards of my library** and play one. This is **high value** and pressures my opponent.
2. **Cast Goblin Warchief (p10)**:
- A **2/2** for {1}{R}{R} is **decent**, but it doesn’t pressure my opponent enough.
3. **Cast Onakke Ogre (p48)**:
- A **2/2** for {2}{R} is **weak** compared to **Tectonic Giant**.
4. **Cast Synchronized Eviction (p14)**:
- It costs {4}{U}, which is **expensive**, and I don’t have two creatures sharing a type to reduce its cost.
5. **Cast Furious Rise (p24)** or **Temur Battle Rage (p38)**:
- Neither is useful right now.
**Decision**:
- I’ll cast **Tectonic Giant (p15)** to apply pressure and enable its powerful triggered ability.
mcpCast Tectonic Giant {2}{R}{R}raw
choose_action(choice=p15)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 308,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_4",
"next_action_message": "Choose spell or ability to play: Thriving Bluff"
}MstLg Tinkerllm
choose_action(choice=no)
{
"retryable": true,
"game_seq": 310,
"success": false,
"error_code": "missing_param",
"error": "GAME_CHOOSE_ABILITY requires index=N. Call get_action_choices first to see the available abilities, then choose_action with the index of the one you want.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {R}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}thinkingMstLg Tinker
I need to activate **Thriving Bluff** to pay for **Tectonic Giant**, but I don’t need to activate it right now. I’ll pass priority and let **Tectonic Giant** resolve.
llmchoose_action(choice=no)
{
"retryable": true,
"game_seq": 310,
"success": false,
"error_code": "missing_param",
"error": "GAME_CHOOSE_ABILITY requires index=N. Call get_action_choices first to see the available abilities, then choose_action with the index of the one you want.",
"choices": [
{
"index": 0,
"description": "1. {T}: Add {R}."
},
{
"index": 1,
"description": "2. {T}: Add one mana of the chosen color."
}
]
}thinkingMstLg Tinker
I’ll activate the first ability of **Thriving Bluff** (**{T}: Add {R}**) to pay for **Tectonic Giant**.
llmchoose_action(choice=0)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 310,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_0",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 317,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play spells and abilities"
}gameMstLg Tinker casts Tectonic Giant from hand
gameMstLg Tinker puts Tectonic Giant from stack onto the Battlefield
— GPT5 Gramps's Turn 7 —
GPT5 Grampsllm
pass_priority(until=end_of_turn, board_cursor=26)
{
"game_seq": 322,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T7 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"recent_chat": [
"MstLg Tinker: Drawing cards is like peeling back the layers of a puzzle—each one reveals a new possibility. What’s next, I wonder?"
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 27,
"choices": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"index": 1,
"action": "cast",
"id": "p3"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"index": 2,
"action": "cast",
"id": "p49",
"power": "2",
"toughness": "1"
},
{
"name": "Marauder's Axe",
"index": 3,
"action": "activate",
"playable_abilities": [
"Equip {2} <i>({2}: Attach to target creature you ..."
],
"id": "p6"
},
{
"mana_cost": "{2}{G}",
"name": "Time to Feed",
"index": 4,
"action": "cast",
"id": "p54"
}
],
"board": [
{
"hand_size": 8,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3",
"playable": true
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"power": "2",
"id": "p49",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{G}",
"name": "Time to Feed",
"rules": [
"Choose target creature an opponent controls. When that creature dies this turn, you gain 3 life. Target creature you control fights that creature. (Each deals damage equal to its power to the other.)"
],
"id": "p54",
"playable": true
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": false,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "3",
"toughness": "4",
"summoning_sick": true
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 25,
"life": 10
}
]
}GPT5 GrampsmcpCast Time to Feed {2}{G}
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p54)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 322,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_4",
"next_action_message": "Select a creature you control"
}questionable
Attempted to cast Time to Feed targeting Tectonic Giant, but this was rolled back.
Attempted to cast Time to Feed targeting Tectonic Giant, but this was rolled back. Beyond the mana issue, targeting Tectonic Giant with Time to Feed would trigger the Giant's ability (dealing 3 damage to GPT5 Gramps or giving the opponent card advantage), making it a costly removal option. Additionally, the player hadn't played their land drop yet - they should play a land first before committing to spells to maximize available mana.
Analysis
Action taken: Attempted to cast Time to Feed (rolled back by engine due to mana payment failure)
Better line: Play a land drop first (if any land in hand - none visible, so this may not apply). Consider casting Dawntreader Elk or Lightning Visionary instead, saving Time to Feed for when you have more mana or a better fight target. Also note that targeting Tectonic Giant with any spell triggers its 3-damage ability.
GPT5 GrampsmcpWeaver of Lightning
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p25)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 323,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_1",
"next_action_message": "Choose spell or ability to play: Thriving Grove"
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 325,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play spells and abilities"
}GPT5 Grampsllm
pass_priority(until=begin_combat, board_cursor=28)
{
"combat_phase": "attackers",
"game_seq": 331,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 3,
"message": "Select attackers",
"action_pending": true,
"context": "T7 Combat/Declare Attackers (GPT5 Gramps)",
"recent_chat": [
"[System] Spell cancelled — not enough mana to complete payment."
],
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 29,
"choices": [
{
"name": "Weaver of Lightning",
"index": 0,
"choice_type": "attacker",
"id": "p25",
"power": "3",
"toughness": "4"
},
{
"name": "Lightning Phoenix",
"index": 1,
"choice_type": "attacker",
"id": "p5",
"power": "2",
"toughness": "2"
},
{
"name": "All attack",
"index": 2,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 8,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"power": "2",
"id": "p49",
"toughness": "1"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{G}",
"name": "Time to Feed",
"rules": [
"Choose target creature an opponent controls. When that creature dies this turn, you gain 3 life. Target creature you control fights that creature. (Each deals damage equal to its power to the other.)"
],
"id": "p54"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": false,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "3",
"toughness": "4",
"summoning_sick": true
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 25,
"life": 10
}
]
}— Declare Attackers —
GPT5 GrampsmcpAttack with Weaver of Lightning 3/4, Lightning Phoenix 2/2
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=p25,p5, blockers=, text=, choice=)
{
"declared": [
"p25",
"p5"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 331,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_attack",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps attacks MstLg Tinker with 2 creatures
— Declare Blockers —
MstLg Tinkerllm
pass_priority(board_cursor=25)
{
"combat_phase": "blockers",
"game_seq": 339,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"combat": [
{
"blocked": false,
"defending": "MstLg Tinker",
"attackers": [
{
"name": "Weaver of Lightning",
"id": "p25",
"power": "3",
"toughness": "4"
}
]
},
{
"blocked": false,
"defending": "MstLg Tinker",
"attackers": [
{
"name": "Lightning Phoenix",
"id": "p5",
"power": "2",
"toughness": "2"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T7 Combat/Declare Blockers (GPT5 Gramps)",
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 27,
"choices": [
{
"name": "Tectonic Giant",
"index": 0,
"choice_type": "blocker",
"id": "p15",
"power": "3",
"toughness": "4"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": false,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "3",
"toughness": "4",
"summoning_sick": true
},
{
"tapped": true,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 25,
"life": 10,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p52"
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"power": "4",
"id": "p48",
"toughness": "2"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38"
}
]
},
{
"hand_size": 8,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 20
}
],
"incoming_attackers": [
{
"name": "Weaver of Lightning",
"id": "p25",
"power": "3",
"toughness": "4"
},
{
"name": "Lightning Phoenix",
"id": "p5",
"power": "2",
"toughness": "2"
}
]
}thinkingMstLg Tinker
My opponent is attacking with **Weaver of Lightning (3/4)** and **Lightning Phoenix (2/2 flyer)**. I control **Tectonic Giant (3/4, summoning sick)**.
**Combat Math**:
- If I **block Weaver of Lightning with Tectonic Giant**, it will deal **3 damage** to **Tectonic Giant**, and **Tectonic Giant** will deal **3 damage** to **Weaver of Lightning**. This results in **both creatures dying**, which is a **bad trade** for me.
- If I **don’t block**, **Weaver of Lightning** will deal **3 damage** to me, and **Lightning Phoenix** will deal **2 damage** to me, totaling **5 damage**. I’ll drop to **5 life**, but I’ll preserve **Tectonic Giant** for future turns.
**Strategic Considerations**:
- **Tectonic Giant** is a **strong threat**, and I want to keep it alive to pressure my opponent.
- Blocking **Weaver of Lightning** is a **bad trade**, as it removes my best creature for no gain.
- I can afford to take **5 damage** to preserve **Tectonic Giant** and apply pressure in future turns.
**Decision**:
- I’ll **not block** and take the **5 damage**. This preserves **Tectonic Giant** for future attacks and triggers.
mcpNo blocksraw
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 339,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}moderate blunder
At 10 life facing 5 damage from Weaver of Lightning (3/4) and Lightning Phoenix (2/2), the player declined to block with…
At 10 life facing 5 damage from Weaver of Lightning (3/4) and Lightning Phoenix (2/2), the player declined to block with Tectonic Giant (3/4). Blocking Weaver of Lightning would result in both creatures surviving (3 damage to each 4-toughness creature), saving 3 life (taking only 2 from Phoenix instead of 5 total). Going to 5 life instead of 8 is a significant difference, especially with the opponent having 8 cards in hand.
Analysis
Action taken: Did not block, taking 5 damage (10 → 5 life)
Better line: Block Weaver of Lightning with Tectonic Giant. Both 3-power/4-toughness creatures survive combat, and you only take 2 damage from Lightning Phoenix (10 → 8 life), preserving a crucial 3 life points.
gameMstLg Tinker loses 3 life at combat from Weaver of Lightning
gameMstLg Tinker loses 2 life at combat from Lightning Phoenix
— Combat Damage —
— Postcombat Main —
GPT5 Grampsllm
pass_priority(until=postcombat_main, board_cursor=29)
{
"game_seq": 350,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"context": "T7 Postcombat Main/Postcombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 30,
"choices": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"index": 1,
"action": "cast",
"id": "p3"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"index": 2,
"action": "cast",
"id": "p49",
"power": "2",
"toughness": "1"
},
{
"name": "Marauder's Axe",
"index": 3,
"action": "activate",
"playable_abilities": [
"Equip {2} <i>({2}: Attach to target creature you ..."
],
"id": "p6"
}
],
"board": [
{
"hand_size": 8,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3",
"playable": true
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{1}{R}",
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"power": "2",
"id": "p49",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{G}",
"name": "Time to Feed",
"rules": [
"Choose target creature an opponent controls. When that creature dies this turn, you gain 3 life. Target creature you control fights that creature. (Each deals damage equal to its power to the other.)"
],
"id": "p54",
"playable": true
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": false,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "3",
"toughness": "4",
"summoning_sick": true
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 25,
"life": 5
}
],
"current_step": "Postcombat Main"
}GPT5 GrampsmcpActivate Marauder's Axe
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p6)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 350,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_3",
"next_action_message": "Select a creature you control"
}GPT5 GrampsmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 351,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "cancelled",
"next_action_message": "Play spells and abilities"
}GPT5 Grampsllm
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=p49)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 352,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_2",
"next_action_message": "Choose spell or ability to play: Thriving Grove"
}GPT5 Grampsmcp2. {T}: Add one mana of the chosen color.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 354,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps casts Lightning Visionary from hand
gameGPT5 Gramps puts Lightning Visionary from stack onto the Battlefield
— MstLg Tinker's Turn 8 —
MstLg Tinkerllm
pass_priority(board_cursor=27)
{
"game_seq": 363,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 5,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T8 Precombat Main/Precombat Main (MstLg Tinker) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 28,
"choices": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"index": 0,
"action": "cast",
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"index": 1,
"action": "cast",
"id": "p10",
"power": "2",
"toughness": "2"
},
{
"name": "Island",
"index": 2,
"action": "land",
"id": "p52"
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"index": 3,
"action": "cast",
"id": "p48",
"power": "4",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Sentinels of Glen Elendra",
"index": 4,
"action": "cast",
"id": "p58",
"power": "2",
"toughness": "3"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"index": 5,
"action": "cast",
"id": "p14"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 6,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 7,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": false,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "3",
"toughness": "4",
"summoning_sick": false
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 24,
"life": 5,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24",
"playable": true
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2",
"playable": true
},
{
"name": "Island",
"is_land": true,
"rules": [
"{T}: Add {U}."
],
"id": "p52",
"playable": true
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"power": "4",
"id": "p48",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{3}{U}",
"name": "Sentinels of Glen Elendra",
"rules": [
"Flash",
"Flying"
],
"power": "2",
"id": "p58",
"toughness": "3",
"playable": true
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14",
"playable": true
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"id": "p49",
"power": "2",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 20
}
]
}thinkingMstLg Tinker
I have **{U}{U}{U}{R}{R}** available from my lands. My life total is **5**, and my opponent controls **Lightning Phoenix (2/2 flyer)**, **Lightning Visionary (2/1)**, and **Weaver of Lightning (3/4)**.
**Strategic Considerations**:
1. **Play Island (p52)**:
- I can play a **6th land** to ensure I have enough mana for future plays. This is a **safe play** and ensures I don’t flood.
2. **Cast Sentinels of Glen Elendra (p58)**:
- A **2/3 flyer** for {3}{U} is a **decent body**, but it doesn’t pressure my opponent enough.
3. **Cast Goblin Warchief (p10)**:
- A **2/2** for {1}{R}{R} is **decent**, but it doesn’t pressure my opponent enough.
4. **Cast Onakke Ogre (p48)**:
- A **2/2** for {2}{R} is **weak** compared to other options.
5. **Cast Synchronized Eviction (p14)**:
- It costs {4}{U}, which is **expensive**, and I don’t have two creatures sharing a type to reduce its cost.
6. **Cast Furious Rise (p24)** or **Temur Battle Rage (p38)**:
- Neither is useful right now.
**Decision**:
- I’ll **play Island (p52)** to ensure I have **6 lands** for future turns. This gives me flexibility to cast **Synchronized Eviction** or **Sentinels of Glen Elendra** next turn.
mcpPlay Islandraw
choose_action(choice=p52)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 363,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_2",
"next_action_message": "Play spells and abilities"
}MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 367,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Select attackers"
}gameMstLg Tinker puts Island from hand onto the Battlefield
MstLg Tinkerllm
pass_priority(board_cursor=28)
{
"combat_phase": "attackers",
"game_seq": 369,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 6,
"message": "Select attackers",
"action_pending": true,
"context": "T8 Combat/Declare Attackers (MstLg Tinker)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 29,
"choices": [
{
"name": "Tectonic Giant",
"index": 0,
"choice_type": "attacker",
"id": "p15",
"power": "3",
"toughness": "4"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p52"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": false,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "3",
"toughness": "4",
"summoning_sick": false
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"library_size": 24,
"life": 5,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"power": "4",
"id": "p48",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Sentinels of Glen Elendra",
"rules": [
"Flash",
"Flying"
],
"power": "2",
"id": "p58",
"toughness": "3"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38"
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"id": "p49",
"power": "2",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 20
}
]
}— Declare Attackers —
thinkingMstLg Tinker
I have **Tectonic Giant (3/4)** as my only attacker. My life total is **5**, and my opponent controls **Lightning Phoenix (2/2 flyer)**, **Lightning Visionary (2/1)**, and **Weaver of Lightning (3/4)**.
**Strategic Considerations**:
1. **Attack with Tectonic Giant**:
- If I attack, **Tectonic Giant** will deal **3 damage** to my opponent, reducing their life total to **17**.
- My opponent can **block with Weaver of Lightning (3/4)**, resulting in **both creatures dying**. This is a **bad trade** for me.
- If my opponent doesn’t block, **Tectonic Giant** will deal **3 damage**, which is **good value**.
- However, my opponent may choose to **not block** and take the damage, preserving **Weaver of Lightning** for future turns.
- If I attack, I can also trigger **Tectonic Giant’s ability** to **deal 3 damage to my opponent** or **exile the top two cards of my library** and play one. This is **high value** and pressures my opponent.
2. **Don’t Attack**:
- If I don’t attack, I preserve **Tectonic Giant** for future turns, but I don’t apply any pressure.
**Decision**:
- I’ll **attack with Tectonic Giant (p15)** to apply pressure and trigger its ability. This is the **optimal play** to maximize value.
mcpAttack with Tectonic Giant 3/4raw
choose_action(attackers=p15)
{
"declared": [
"p15"
],
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 369,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_attack",
"next_action_message": "Choose mode (selected 0 of 1, min 1): Tectonic Giant"
}gameMstLg Tinker attacks GPT5 Gramps with 1 creature
thinkingMstLg Tinker
**Tectonic Giant’s** triggered ability gives me two options:
1. **Deal 3 damage to each opponent**: This would reduce my opponent’s life total to **17**, but it doesn’t provide long-term value.
2. **Exile the top two cards of my library and play one until end of next turn**: This is **high value**, as it lets me **cheat a card into play** for free. This could be a **game-changing play** if I exile a **powerful spell** or **creature**.
**Decision**:
- I’ll choose **option 2 (Exile the top two cards of my library and play one)** to maximize value.
mcp2. Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.raw
choose_action(choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 373,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_1",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
pass_priority(board_cursor=30)
{
"stack": [
{
"name": "Ability"
}
],
"game_seq": 379,
"action_type": "GAME_TARGET",
"stop_reason": "non_priority_action",
"response_type": "index",
"can_cancel": false,
"untapped_lands": 6,
"combat": [
{
"blocked": false,
"defending": "GPT5 Gramps",
"attackers": [
{
"name": "Tectonic Giant",
"id": "p15",
"power": "3",
"toughness": "4"
}
]
}
],
"message": "Select a card",
"required": true,
"action_pending": true,
"context": "T8 Combat/Declare Attackers (MstLg Tinker)",
"respond_with": "choice=pN — must pick a target",
"board_cursor": 31,
"choices": [
{
"name": "Instruments of War",
"target_type": "card",
"index": 0,
"id": "p62"
},
{
"name": "Mountain",
"target_type": "card",
"index": 1,
"id": "p61"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p52"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": true,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "3",
"toughness": "4",
"summoning_sick": false
},
{
"tapped": false,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"exile": [
{
"name": "Instruments of War",
"rules": [
"Flash",
"As {this} enters, choose a creature type.",
"Creatures you control of the chosen type get +1/+1."
],
"id": "p62"
},
{
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p61"
}
],
"library_size": 22,
"life": 5,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"power": "4",
"id": "p48",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Sentinels of Glen Elendra",
"rules": [
"Flash",
"Flying"
],
"power": "2",
"id": "p58",
"toughness": "3",
"playable": true
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14",
"playable": true
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_BADYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"id": "p49",
"power": "2",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 20
}
]
}gameMstLg Tinker - Ability triggers: Tectonic Giant - Whenever Tectonic Giant attacks or becomes the target of a spell an opponent controls, choose one — &bull Tectonic Giant deals 3 damage to each opponent. &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.
gameMstLg Tinker moves Mountain from library to the exile zone (source: Tectonic Giant)
gameMstLg Tinker moves Instruments of War from library to the exile zone (source: Tectonic Giant)
thinkingMstLg Tinker
I exiled **Instruments of War** and **Mountain** with **Tectonic Giant’s** ability. I can choose one to play until the end of my next turn.
**Strategic Considerations**:
1. **Instruments of War (p62)**:
- This is a **powerful enchantment** that gives **+1/+1** to creatures of a chosen type.
- If I choose **Giant** as the type, **Tectonic Giant** would get **+1/+1**, making it a **4/5**.
- This is **high value** and improves my board state.
2. **Mountain (p61)**:
- Playing a **Mountain** is **useless**, as I already have **6 lands** and don’t need more mana.
**Decision**:
- I’ll choose **Instruments of War (p62)** to improve my board state and buff **Tectonic Giant**.
mcpInstruments of Warraw
choose_action(choice=p62)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 379,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_0",
"next_action_message": "Play instants and activated abilities"
}thinkingMstLg Tinker
I’m casting **Instruments of War (p62)** and need to choose a **creature type** for its ability.
**Strategic Considerations**:
- I control **Tectonic Giant**, which is a **Giant**.
- If I choose **Giant**, **Tectonic Giant** will get **+1/+1**, making it a **4/5**.
- This is the **best choice**, as it improves my board state and makes **Tectonic Giant** a bigger threat.
**Decision**:
- I’ll choose **Giant** as the creature type for **Instruments of War**.
mcpActivate Instruments of Warraw
choose_action(text=Giant)
{
"retryable": true,
"game_seq": 380,
"success": false,
"error_code": "missing_param",
"error": "GAME_SELECT requires choice=pN to play a card, or choice=\"no\" to pass priority. Call get_action_choices first to see available cards.",
"choices": [
{
"name": "Instruments of War",
"index": 0,
"action": "activate",
"playable_abilities": [
"Cast Instruments of War"
],
"id": "p62"
},
{
"mana_cost": "{3}{U}",
"name": "Sentinels of Glen Elendra",
"index": 1,
"action": "cast",
"id": "p58",
"power": "2",
"toughness": "3"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"index": 2,
"action": "cast",
"id": "p14"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 3,
"action": "cast",
"id": "p38"
}
]
}thinkingMstLg Tinker
I need to activate **Instruments of War** to choose the creature type.
mcpActivate Instruments of Warraw
choose_action(choice=p62)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_ABILITY",
"game_seq": 380,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Choose spell or ability to play: Thriving Bluff"
}MstLg Tinkerllm
choose_action(choice=0)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 382,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_ability_0",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
choose_action(text=Giant)
{
"retryable": true,
"game_seq": 387,
"success": false,
"error_code": "missing_param",
"error": "GAME_SELECT requires choice=pN to play a card, or choice=\"no\" to pass priority. Call get_action_choices first to see available cards.",
"choices": [
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 0,
"action": "cast",
"id": "p38"
}
]
}gameMstLg Tinker casts Instruments of War from exile zone
thinkingMstLg Tinker
I need to pass priority to resolve **Instruments of War** and choose the creature type.
llmchoose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_CHOICE",
"game_seq": 387,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Choose a creature type"
}MstLg Tinkerllm
choose_action(text=Giant)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 389,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_choice_text_Giant",
"next_action_message": "Play instants and activated abilities"
}chatMstLg Tinker: Ah, the beauty of synergy! A Giant buffed by Instruments of War—what a delightful interaction. Let’s see how this plays out.
thinkingMstLg Tinker
---
**Chat Message**:
*"Ah, the beauty of synergy! A Giant buffed by Instruments of War—what a delightful interaction. Let’s see how this plays out."*
mcpsend_chat_messageraw
send_chat_message(message=Ah, the beauty of synergy! A Giant buffe...)
{
"success": true
}gameInstruments of War: MstLg Tinker has chosen Giant
gameMstLg Tinker puts Instruments of War from stack onto the Battlefield
MstLg Tinkerllm
choose_action(choice=no)
{
"game_seq": 392,
"success": true,
"action_taken": "passed_priority"
}— Declare Blockers —
chatGPT5 Gramps: Go on then, swing that oversized rock-thrower. Back in my day Hill Giants did their job without all these newfangled attack triggers, young whippersnapper.
GPT5 Grampsllm
pass_priority(until=my_turn, board_cursor=33)
{
"combat_phase": "blockers",
"game_seq": 394,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 1,
"combat": [
{
"blocked": false,
"defending": "GPT5 Gramps",
"attackers": [
{
"name": "Tectonic Giant",
"id": "p15",
"power": "4",
"toughness": "5"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T8 Combat/Declare Blockers (MstLg Tinker)",
"recent_chat": [
"MstLg Tinker: Ah, the beauty of synergy! A Giant buffed by Instruments of War—what a delightful interaction. Let’s see how this plays out."
],
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 34,
"choices": [
{
"name": "Lightning Visionary",
"index": 0,
"choice_type": "blocker",
"id": "p49",
"power": "2",
"toughness": "1"
}
],
"board": [
{
"hand_size": 7,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"id": "p49",
"power": "2",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 20,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3"
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{G}",
"name": "Time to Feed",
"rules": [
"Choose target creature an opponent controls. When that creature dies this turn, you gain 3 life. Target creature you control fights that creature. (Each deals damage equal to its power to the other.)"
],
"id": "p54"
}
]
},
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Instruments of War",
"rules": [
"Flash",
"As {this} enters, choose a creature type.",
"Creatures you control of the chosen type get +1/+1.",
"Chosen type: Giant"
],
"id": "p62"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p52"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": true,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "4",
"toughness": "5",
"summoning_sick": false
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"exile": [
{
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p61"
}
],
"library_size": 22,
"life": 5
}
],
"incoming_attackers": [
{
"name": "Tectonic Giant",
"id": "p15",
"power": "4",
"toughness": "5"
}
]
}GPT5 Grampsmcpsend_chat_message
raw
send_chat_message(message=Go on then, swing that oversized rock-th...)
{
"success": true
}GPT5 GrampsmcpNo blocks
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 394,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps loses 4 life at combat from Tectonic Giant
— Combat Damage —
MstLg Tinkerllm
pass_priority(board_cursor=31)
{
"game_seq": 401,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 2,
"combat": [
{
"blocked": false,
"defending": "GPT5 Gramps",
"attackers": [
{
"name": "Tectonic Giant",
"id": "p15",
"power": "4",
"toughness": "5"
}
]
}
],
"message": "Play instants and activated abilities",
"action_pending": true,
"has_playable_cards": true,
"context": "T8 Combat/Combat Damage (MstLg Tinker)",
"recent_chat": [
"GPT5 Gramps: Go on then, swing that oversized rock-thrower. Back in my day Hill Giants did their job without all these newfangled attack triggers, young whippersnapper."
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 34,
"choices": [
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"index": 0,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 6,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_BADIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Instruments of War",
"modified": true,
"rules": [
"Flash",
"As {this} enters, choose a creature type.",
"Creatures you control of the chosen type get +1/+1.",
"Chosen type: Giant"
],
"id": "p62"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": false,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p52"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": true,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "4",
"toughness": "5",
"summoning_sick": false
},
{
"tapped": true,
"name": "Thriving Bluff",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"exile": [
{
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p61"
}
],
"library_size": 22,
"life": 5,
"hand": [
{
"mana_cost": "{2}{R}",
"name": "Furious Rise",
"rules": [
"At the beginning of your end step, if you control a creature with power 4 or greater, exile the top card of your library. You may play that card until you exile another card with {this}.",
": ",
"ICON_GOODYou control a creature with power 4+"
],
"id": "p24"
},
{
"mana_cost": "{1}{R}{R}",
"name": "Goblin Warchief",
"rules": [
"Goblin spells you cast cost {1} less to cast.",
"Goblins you control have haste."
],
"power": "2",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{2}{R}",
"name": "Onakke Ogre",
"power": "4",
"id": "p48",
"toughness": "2"
},
{
"mana_cost": "{3}{U}",
"name": "Sentinels of Glen Elendra",
"rules": [
"Flash",
"Flying"
],
"power": "2",
"id": "p58",
"toughness": "3"
},
{
"mana_cost": "{4}{U}",
"name": "Synchronized Eviction",
"rules": [
"This spell costs {2} less to cast if you control at least two creatures that share a creature type.",
"Put target nonland permanent into its owner's library second from the top.",
": ",
"Greatest number of creatures you control that share a creature type: 1"
],
"id": "p14"
},
{
"mana_cost": "{1}{R}",
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_GOODYou control a creature with power 4+"
],
"id": "p38",
"playable": true
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Lightning Phoenix",
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"id": "p49",
"power": "2",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": true,
"name": "Thriving Grove",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": true,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 26,
"life": 16
}
]
}thinkingMstLg Tinker
I have **{R}** available from my lands. My **Tectonic Giant** is now a **4/5** thanks to **Instruments of War**, and my opponent is at **16 life**.
**Strategic Considerations**:
1. **Cast Temur Battle Rage (p38)**:
- **Temur Battle Rage** gives **Tectonic Giant** **double strike** and **trample** (since I control a creature with power 4+).
- This means **Tectonic Giant** will deal **4 damage** (first strike) and **4 damage** (normal strike) to my opponent, totaling **8 damage**.
- My opponent will drop to **8 life**, and I’ll apply **immediate pressure**.
- This is a **game-winning play** if my opponent doesn’t have an answer.
2. **Don’t Cast Temur Battle Rage**:
- If I don’t cast it, **Tectonic Giant** will only deal **4 damage**, leaving my opponent at **12 life**.
- This is **weaker** than the **8 damage** from **Temur Battle Rage**.
**Decision**:
- I’ll cast **Temur Battle Rage (p38)** to maximize damage and pressure my opponent.
mcpCast Temur Battle Rage {1}{R}raw
choose_action(choice=p38)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 401,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_0",
"next_action_message": "Select a creature"
}MstLg Tinkerllm
choose_action(choice=p15)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 402,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_2",
"next_action_message": "Play instants and activated abilities"
}MstLg Tinkerllm
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 406,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}gameMstLg Tinker casts Temur Battle Rage targeting Tectonic Giant from hand
gameMstLg Tinker puts Temur Battle Rage from stack into their graveyard
— Postcombat Main —
— GPT5 Gramps's Turn 8 —
GPT5 Grampsllm
pass_priority(until=my_turn, board_cursor=34)
{
"game_seq": 413,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T8 Precombat Main/Precombat Main (GPT5 Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 35,
"choices": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"index": 1,
"action": "cast",
"id": "p3"
},
{
"name": "Marauder's Axe",
"index": 2,
"action": "activate",
"playable_abilities": [
"Equip {2} <i>({2}: Attach to target creature you ..."
],
"id": "p6"
},
{
"name": "Mountain",
"index": 3,
"action": "land",
"id": "p64"
},
{
"mana_cost": "{2}{G}",
"name": "Time to Feed",
"index": 4,
"action": "cast",
"id": "p54"
}
],
"board": [
{
"hand_size": 8,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Lightning Phoenix",
"modified": true,
"rules": [
"Flying",
"Haste",
"{this} can't block.",
"At the beginning of your end step, if an opponent was dealt 3 or more damage this turn, you may pay {R}. If you do, return this card from your graveyard to the battlefield.",
": ",
"ICON_RESTRICTCan't block (Lightning Phoenix)"
],
"id": "p5",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Lightning Visionary",
"rules": [
"Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)"
],
"id": "p49",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Marauder's Axe",
"rules": [
"Equipped creature gets +2/+0.",
"Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)"
],
"id": "p6"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p7"
},
{
"tapped": false,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p8"
},
{
"tapped": false,
"name": "Thriving Grove",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than green.",
"{T}: Add {G}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Red"
],
"id": "p9"
},
{
"tapped": false,
"name": "Weaver of Lightning",
"rules": [
"Reach",
"Whenever you cast an instant or sorcery spell, {this} deals 1 damage to target creature an opponent controls."
],
"id": "p25",
"power": "3",
"toughness": "4",
"summoning_sick": false
}
],
"name": "GPT5 Gramps",
"library_size": 25,
"life": 16,
"hand": [
{
"mana_cost": "{1}{G}",
"name": "Dawntreader Elk",
"rules": [
"{G}, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{G}",
"name": "Irresistible Prey",
"rules": [
"Target creature must be blocked this turn if able. : Draw a card."
],
"id": "p3",
"playable": true
},
{
"mana_cost": "{5}{R}",
"name": "Lightning Diadem",
"rules": [
"Enchant creature",
"When {this} enters, it deals 2 damage to any target.",
"Enchanted creature gets +2/+2."
],
"id": "p4"
},
{
"mana_cost": "{3}{R}",
"name": "Lightning Elemental",
"rules": [
"Haste"
],
"power": "4",
"id": "p41",
"toughness": "1"
},
{
"mana_cost": "{3}{R}",
"name": "Living Lightning",
"rules": [
"When {this} dies, return target instant or sorcery card from your graveyard to your hand."
],
"power": "3",
"id": "p29",
"toughness": "2"
},
{
"name": "Mountain",
"is_land": true,
"rules": [
"{T}: Add {R}."
],
"id": "p64",
"playable": true
},
{
"mana_cost": "{3}{G}{G}",
"name": "Somberwald Stag",
"rules": [
"When {this} enters, you may have it fight target creature you don't control."
],
"power": "4",
"id": "p23",
"toughness": "3"
},
{
"mana_cost": "{2}{G}",
"name": "Time to Feed",
"rules": [
"Choose target creature an opponent controls. When that creature dies this turn, you gain 3 life. Target creature you control fights that creature. (Each deals damage equal to its power to the other.)"
],
"id": "p54",
"playable": true
}
]
},
{
"hand_size": 5,
"graveyard": [
{
"name": "Brineborn Cutthroat",
"rules": [
"Flash",
"Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on {this}.",
": ",
"ICON_GOODIt's an opponent's turn"
],
"id": "p28"
},
{
"name": "Burst Lightning",
"rules": [
"Kicker {4} (You may pay an additional {4} as you cast this spell.)",
"{this} deals 2 damage to any target. If this spell was kicked, it deals 4 damage instead."
],
"id": "p33"
},
{
"name": "Soul Read",
"rules": [
"Choose one —: &bull Counter target spell unless its controller pays {4}.: &bull Draw two cards.: "
],
"id": "p13"
},
{
"name": "Temur Battle Rage",
"rules": [
"Target creature gains double strike until end of turn. : Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.",
": ",
"ICON_GOODYou control a creature with power 4+"
],
"id": "p38"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Instruments of War",
"rules": [
"Flash",
"As {this} enters, choose a creature type.",
"Creatures you control of the chosen type get +1/+1.",
"Chosen type: Giant"
],
"id": "p62"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p11"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p44"
},
{
"tapped": true,
"name": "Island",
"rules": [
"{T}: Add {U}."
],
"id": "p52"
},
{
"tapped": true,
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p47"
},
{
"tapped": true,
"name": "Tectonic Giant",
"rules": [
"Whenever {this} attacks or becomes the target of a spell an opponent controls, choose one —: &bull {this} deals 3 damage to each opponent.: &bull Exile the top two cards of your library. Choose one of them. Until the end of your next turn, you may play that card.: "
],
"id": "p15",
"power": "4",
"toughness": "5",
"summoning_sick": false
},
{
"tapped": true,
"name": "Thriving Bluff",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than red.",
"{T}: Add {R}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Blue"
],
"id": "p16"
}
],
"name": "MstLg Tinker",
"exile": [
{
"name": "Mountain",
"rules": [
"{T}: Add {R}."
],
"id": "p61"
}
],
"library_size": 22,
"life": 5
}
]
}GPT5 GrampsmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 413,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "passed_priority",
"next_action_message": "Select attackers"
}minor blunder
Passed precombat main phase without playing Mountain from hand.
Passed precombat main phase without playing Mountain from hand. Opponent is at 5 life with all lands tapped and no untapped blockers. GPT5 Gramps has lethal on board (Phoenix 2 + Visionary 2 + Weaver 3 = 7 damage vs 5 life). While passing moves to combat where lethal attacks are available, failing to play the land first wastes a land drop and leaves mana unavailable for potential combat tricks or post-combat plays.
Analysis
Action taken: Passed priority in precombat main without playing Mountain
Better line: Play Mountain from hand first, then move to combat and attack with all three creatures for lethal damage (7 vs 5 life with no possible blockers since all opponent's lands are tapped)
— Declare Attackers —
GPT5 GrampsmcpAttack with all (Weaver of Lightning 3/4, Lightning Phoenix 2/2, Lightning Visionary 2/1)
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=0, mana_plan=, attackers=all, blockers=, text=, choice=)
{
"declared": [
"all"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 415,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "batch_attack",
"next_action_message": "Play instants and activated abilities"
}gameGPT5 Gramps attacks MstLg Tinker with 3 creatures
— Declare Blockers —
gameMstLg Tinker loses 3 life at combat from Weaver of Lightning
gameMstLg Tinker loses 2 life at combat from Lightning Phoenix
gameMstLg Tinker loses 2 life at combat from Lightning Visionary
MstLg Tinkerllm
pass_priority(board_cursor=34)
{
"game_seq": 431,
"stop_reason": "game_over",
"action_pending": false,
"player_dead": true
}gameMstLg Tinker has lost the game.
— Combat Damage —
GPT5 Grampsllm
pass_priority(until=end_of_turn, board_cursor=36)
{
"game_seq": 434,
"stop_reason": "game_over",
"game_over": true,
"action_pending": false
}GPT5 Gramps wins the game!