Gem31P Gramps (Enchanted + Feathered Friends) vs GPT5 Optim (Dogs + Rats)
2 major, 1 moderate, 7 minor blunders
Season 1
/ 246
Stack
Game Log
gameGem31P Gramps's library is shuffled
gameGPT5 Optim's library is shuffled
GPT5 Optimllm
pass_priority(until=my_turn, board_cursor=0)
{
"game_seq": 5,
"action_type": "GAME_TARGET",
"stop_reason": "non_priority_action",
"response_type": "index",
"can_cancel": false,
"message": "Select a starting player",
"required": true,
"action_pending": true,
"context": "T1 ()",
"respond_with": "choice=pN",
"board_cursor": 1,
"choices": [
{
"is_you": true,
"name": "GPT5 Optim",
"target_type": "player",
"index": 0,
"id": "p1"
},
{
"name": "Gem31P Gramps",
"target_type": "player",
"index": 1,
"id": "p2"
}
],
"board": [
{
"hand_size": 0,
"is_active": false,
"is_you": true,
"name": "GPT5 Optim",
"library_size": 40,
"life": 20,
"hand": []
},
{
"hand_size": 0,
"is_active": false,
"is_you": false,
"name": "Gem31P Gramps",
"library_size": 40,
"life": 20
}
]
}GPT5 OptimmcpGPT5 Optim
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p1)
{
"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?"
}GPT5 Optimllm
pass_priority(until=my_turn, 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}{W}",
"name": "Alpine Watchdog",
"rules": [
"Vigilance"
],
"power": "2",
"toughness": "2"
},
{
"mana_cost": "{3}{B}",
"name": "Eviscerate",
"rules": [
"Destroy target creature."
]
},
{
"mana_cost": "{1}",
"name": "Infiltration Lens",
"rules": [
"Whenever equipped creature becomes blocked by a creature, you may draw two cards.",
"Equip {1}"
]
},
{
"mana_cost": "{1}{W}",
"name": "Pacifism",
"rules": [
"Enchant creature",
"Enchanted creature can't attack or block."
]
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
]
},
{
"mana_cost": "{3}{W}",
"name": "Release the Dogs",
"rules": [
"Create four 1/1 white Dog creature tokens."
]
},
{
"mana_cost": "{B}",
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"power": "1",
"toughness": "1"
}
],
"board": [
{
"hand_size": 7,
"is_active": false,
"is_you": true,
"name": "GPT5 Optim",
"library_size": 33,
"life": 20,
"hand": [
{
"mana_cost": "{1}{W}",
"name": "Alpine Watchdog",
"rules": [
"Vigilance"
],
"power": "2",
"id": "p3",
"toughness": "2"
},
{
"mana_cost": "{3}{B}",
"name": "Eviscerate",
"rules": [
"Destroy target creature."
],
"id": "p4"
},
{
"mana_cost": "{1}",
"name": "Infiltration Lens",
"rules": [
"Whenever equipped creature becomes blocked by a creature, you may draw two cards.",
"Equip {1}"
],
"id": "p5"
},
{
"mana_cost": "{1}{W}",
"name": "Pacifism",
"rules": [
"Enchant creature",
"Enchanted creature can't attack or block."
],
"id": "p6"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p7"
},
{
"mana_cost": "{3}{W}",
"name": "Release the Dogs",
"rules": [
"Create four 1/1 white Dog creature tokens."
],
"id": "p8"
},
{
"mana_cost": "{B}",
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"power": "1",
"id": "p9",
"toughness": "1"
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"name": "Gem31P Gramps",
"library_size": 33,
"life": 20
}
],
"action_pending": true
}gameGPT5 Optim chooses that they take the first turn
GPT5 OptimmcpMulligan
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=yes)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 7,
"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": "Select a card (1 more) to put on the bottom of your library"
}GPT5 Optimllm
pass_priority(until=my_turn, board_cursor=2)
{
"game_seq": 10,
"action_type": "GAME_TARGET",
"stop_reason": "non_priority_action",
"response_type": "index",
"can_cancel": false,
"message": "Select a card (1 more) to put on the bottom of your library",
"required": true,
"action_pending": true,
"context": "T1 ()",
"recent_chat": [
"Gem31P Gramps: Back in my day, we didn't have these London mulligans. We kept what we drew and we liked it!"
],
"respond_with": "choice=pN",
"board_cursor": 3,
"choices": [
{
"name": "Eviscerate",
"target_type": "card",
"index": 0,
"id": "p4"
},
{
"name": "Ogre Slumlord",
"target_type": "card",
"index": 1,
"id": "p17"
},
{
"name": "Plains",
"target_type": "card",
"index": 2,
"id": "p18"
},
{
"name": "Plains",
"target_type": "card",
"index": 3,
"id": "p19"
},
{
"name": "Plains",
"target_type": "card",
"index": 4,
"id": "p20"
},
{
"name": "Thriving Heath",
"target_type": "card",
"index": 5,
"id": "p21"
},
{
"name": "Trusty Retriever",
"target_type": "card",
"index": 6,
"id": "p22"
}
],
"board": [
{
"hand_size": 7,
"is_active": false,
"is_you": true,
"name": "GPT5 Optim",
"library_size": 33,
"life": 20,
"hand": [
{
"mana_cost": "{3}{B}",
"name": "Eviscerate",
"rules": [
"Destroy target creature."
],
"id": "p4"
},
{
"mana_cost": "{3}{B}{B}",
"name": "Ogre Slumlord",
"rules": [
"Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token.",
"Rats you control have deathtouch."
],
"power": "3",
"id": "p17",
"toughness": "3"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p19"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p20"
},
{
"name": "Thriving Heath",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color."
],
"id": "p21"
},
{
"mana_cost": "{3}{W}",
"name": "Trusty Retriever",
"rules": [
"When {this} enters, choose one —: &bull Put a +1/+1 counter on {this}.: &bull Return target artifact or enchantment card from your graveyard to your hand.: "
],
"power": "2",
"id": "p22",
"toughness": "3"
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"name": "Gem31P Gramps",
"library_size": 33,
"life": 20
}
]
}chatGem31P Gramps: Back in my day, we didn't have these London mulligans. We kept what we drew and we liked it!
Gem31P Grampsmcpsend_chat_message
raw
send_chat_message(message=Back in my day, we didn't have these Lon...)
{
"success": true
}Gem31P GrampsmcpKeep hand
raw
choose_action(choice=no)
{
"game_seq": 8,
"success": true,
"action_taken": "no"
}gameGPT5 Optim's library is shuffled
GPT5 OptimmcpTrusty Retriever
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p22)
{
"next_action_pending": true,
"next_action_type": "GAME_ASK",
"game_seq": 10,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_6",
"next_action_message": "Mulligan down to 5 cards?"
}GPT5 Optimllm
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=yes)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"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": "yes",
"next_action_message": "Select a card (2 more) to put on the bottom of your library"
}minor blunder
With 4 lands and only 3 spells in hand, bottoming the Trusty Retriever leaves a hand with 4 lands and just 2 spells (Evi…
With 4 lands and only 3 spells in hand, bottoming the Trusty Retriever leaves a hand with 4 lands and just 2 spells (Eviscerate and Ogre Slumlord), which is very land-heavy and prone to flooding. Trusty Retriever is a solid turn 4 play as a 3/4 with the +1/+1 counter.
Analysis
Action taken: Bottomed Trusty Retriever, keeping 4 lands and 2 spells
Better line: Bottom a Plains instead, keeping a 3-land, 3-spell hand (Eviscerate, Ogre Slumlord, Trusty Retriever, Plains, Plains, Thriving Heath) with better balance and more plays available.
gameGPT5 Optim puts a card from hand to the bottom of their library
GPT5 Optimllm
pass_priority(until=my_turn, board_cursor=3)
{
"game_seq": 14,
"action_type": "GAME_TARGET",
"stop_reason": "non_priority_action",
"response_type": "index",
"can_cancel": false,
"message": "Select a card (2 more) to put on the bottom of your library",
"required": true,
"action_pending": true,
"context": "T1 ()",
"respond_with": "choice=pN",
"board_cursor": 4,
"choices": [
{
"name": "Nezumi Bone-Reader",
"target_type": "card",
"index": 0,
"id": "p23"
},
{
"name": "Plains",
"target_type": "card",
"index": 1,
"id": "p18"
},
{
"name": "Plains",
"target_type": "card",
"index": 2,
"id": "p24"
},
{
"name": "Sinuous Vermin",
"target_type": "card",
"index": 3,
"id": "p25"
},
{
"name": "Swamp",
"target_type": "card",
"index": 4,
"id": "p26"
},
{
"name": "Swamp",
"target_type": "card",
"index": 5,
"id": "p27"
},
{
"name": "Trusty Retriever",
"target_type": "card",
"index": 6,
"id": "p22"
}
],
"board": [
{
"hand_size": 7,
"is_active": false,
"is_you": true,
"name": "GPT5 Optim",
"library_size": 33,
"life": 20,
"hand": [
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"power": "1",
"id": "p23",
"toughness": "1"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p24"
},
{
"mana_cost": "{1}{B}",
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)"
],
"power": "2",
"id": "p25",
"toughness": "2"
},
{
"name": "Swamp",
"is_land": true,
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"name": "Swamp",
"is_land": true,
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"mana_cost": "{3}{W}",
"name": "Trusty Retriever",
"rules": [
"When {this} enters, choose one —: &bull Put a +1/+1 counter on {this}.: &bull Return target artifact or enchantment card from your graveyard to your hand.: "
],
"power": "2",
"id": "p22",
"toughness": "3"
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"name": "Gem31P Gramps",
"library_size": 33,
"life": 20
}
]
}gameGPT5 Optim's library is shuffled
GPT5 OptimmcpTrusty Retriever
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p22)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 14,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "selected_target_6",
"next_action_message": "Select a card (1 more) to put on the bottom of your library"
}GPT5 Optimllm
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p24)
{
"next_action_pending": true,
"next_action_type": "GAME_ASK",
"game_seq": 16,
"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": "Mulligan down to 4 cards?"
}gameGPT5 Optim puts a card from hand to the bottom of their library
GPT5 Optimllm
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"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": "no",
"next_action_message": "Play spells and abilities"
}gameGPT5 Optim puts a card from hand to the bottom of their library
GPT5 Optimllm
pass_priority(until=my_turn, board_cursor=4)
{
"game_seq": 27,
"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 (GPT5 Optim) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 6,
"choices": [
{
"name": "Plains",
"index": 0,
"action": "land",
"id": "p18"
},
{
"name": "Swamp",
"index": 1,
"action": "land",
"id": "p26"
},
{
"name": "Swamp",
"index": 2,
"action": "land",
"id": "p27"
}
],
"board": [
{
"hand_size": 5,
"is_active": true,
"is_you": true,
"name": "GPT5 Optim",
"library_size": 35,
"life": 20,
"hand": [
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"power": "1",
"id": "p23",
"toughness": "1"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18",
"playable": true
},
{
"mana_cost": "{1}{B}",
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"power": "2",
"id": "p25",
"toughness": "2"
},
{
"name": "Swamp",
"is_land": true,
"rules": [
"{T}: Add {B}."
],
"id": "p26",
"playable": true
},
{
"name": "Swamp",
"is_land": true,
"rules": [
"{T}: Add {B}."
],
"id": "p27",
"playable": true
}
]
},
{
"hand_size": 7,
"is_active": false,
"is_you": false,
"name": "Gem31P Gramps",
"library_size": 33,
"life": 20
}
]
}gameGPT5 Optim skips Draw step
— Precombat Main —
— Declare Attackers —
— Postcombat Main —
GPT5 OptimmcpPlay Swamp
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p26)
{
"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_1",
"next_action_message": "Play spells and abilities"
}gameGPT5 Optim puts Swamp from hand onto the Battlefield
— Gem31P Gramps's Turn 1 —
Gem31P Grampsllm
pass_priority(board_cursor=1)
{
"game_seq": 32,
"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 (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 2,
"choices": [
{
"name": "Plains",
"index": 0,
"action": "land",
"id": "p12"
},
{
"name": "Plains",
"index": 1,
"action": "land",
"id": "p13"
},
{
"name": "Plains",
"index": 2,
"action": "land",
"id": "p14"
},
{
"name": "Plains",
"index": 3,
"action": "land",
"id": "p15"
}
],
"board": [
{
"hand_size": 8,
"is_active": true,
"is_you": true,
"name": "Gem31P Gramps",
"library_size": 32,
"life": 20,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{W}",
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"power": "1",
"id": "p11",
"toughness": "1"
},
{
"mana_cost": "{1}{W}",
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"power": "0",
"id": "p34",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p12",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p13",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p14",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15",
"playable": true
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 4,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
}
],
"name": "GPT5 Optim",
"library_size": 35,
"life": 20
}
]
}Gem31P GrampsmcpPlay Plains
raw
choose_action(choice=p12)
{
"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": "selected_0",
"next_action_message": "Play spells and abilities"
}gameGem31P Gramps puts Plains from hand onto the Battlefield
Gem31P GrampsmcpCast Healer's Hawk {W}
raw
choose_action(choice=p11)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 36,
"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 instants and activated abilities"
}gameGem31P Gramps casts Healer's Hawk from hand
gameGem31P Gramps puts Healer's Hawk from stack onto the Battlefield
— Declare Attackers —
— Postcombat Main —
— GPT5 Optim's Turn 2 —
chatGPT5 Optim: GLHF! Love a good Hawk opener — heart of the deck says we’ve got the perfect answers cooking.
GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=6)
{
"game_seq": 50,
"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 Optim) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 7,
"choices": [
{
"name": "Plains",
"index": 0,
"action": "land",
"id": "p18"
},
{
"name": "Swamp",
"index": 1,
"action": "land",
"id": "p27"
}
],
"board": [
{
"hand_size": 5,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
}
],
"name": "GPT5 Optim",
"library_size": 34,
"life": 20,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"power": "1",
"id": "p23",
"toughness": "1"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18",
"playable": true
},
{
"mana_cost": "{1}{B}",
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"power": "2",
"id": "p25",
"toughness": "2"
},
{
"name": "Swamp",
"is_land": true,
"rules": [
"{T}: Add {B}."
],
"id": "p27",
"playable": true
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
}
],
"name": "Gem31P Gramps",
"library_size": 32,
"life": 20
}
]
}GPT5 Optimmcpsend_chat_message
raw
send_chat_message(message=GLHF! Love a good Hawk opener — heart of...)
{
"success": true
}GPT5 OptimmcpPlay Swamp
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p27)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 50,
"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"
}GPT5 Optimllm
pass_priority(until=precombat_main, board_cursor=7)
{
"game_seq": 54,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "select",
"untapped_lands": 2,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 1,
"context": "T2 Precombat Main/Precombat Main (GPT5 Optim) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 8,
"choices": [
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"index": 0,
"action": "cast",
"id": "p23",
"power": "1",
"toughness": "1"
},
{
"mana_cost": "{1}{B}",
"name": "Sinuous Vermin",
"index": 1,
"action": "cast",
"id": "p25",
"power": "2",
"toughness": "2"
}
],
"board": [
{
"hand_size": 4,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 34,
"life": 20,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"power": "1",
"id": "p23",
"toughness": "1",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"mana_cost": "{1}{B}",
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"power": "2",
"id": "p25",
"toughness": "2",
"playable": true
}
]
},
{
"hand_size": 6,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
}
],
"name": "Gem31P Gramps",
"library_size": 32,
"life": 20
}
],
"current_step": "Precombat Main"
}gameGPT5 Optim puts Swamp from hand onto the Battlefield
GPT5 OptimmcpCast Sinuous Vermin {1}{B}
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p25)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 54,
"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 instants and activated abilities"
}gameGPT5 Optim casts Sinuous Vermin from hand
gameGPT5 Optim puts Sinuous Vermin from stack onto the Battlefield
— Declare Attackers —
— Postcombat Main —
— Gem31P Gramps's Turn 2 —
chatGem31P Gramps: Oho, Sinuous Vermin, eh? Newfangled nonsense, back in my day we had real monsters, not these jumped-up rats!
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=3)
{
"game_seq": 69,
"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 (Gem31P Gramps) YOUR_MAIN",
"recent_chat": [
"GPT5 Optim: GLHF! Love a good Hawk opener — heart of the deck says we’ve got the perfect answers cooking."
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 4,
"choices": [
{
"name": "Plains",
"index": 0,
"action": "land",
"id": "p13"
},
{
"name": "Plains",
"index": 1,
"action": "land",
"id": "p14"
},
{
"name": "Plains",
"index": 2,
"action": "land",
"id": "p15"
},
{
"mana_cost": "{W}",
"name": "Sky Tether",
"index": 3,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 7,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
}
],
"name": "Gem31P Gramps",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{1}{W}",
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"power": "0",
"id": "p34",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p13",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p14",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15",
"playable": true
},
{
"mana_cost": "{W}",
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38",
"playable": true
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 3,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 34,
"life": 20
}
]
}Gem31P Grampsmcpsend_chat_messagemcpPlay Plains
raw
send_chat_message(message=Oho, Sinuous Vermin, eh? Newfangled nons...)
{
"success": true
}raw
choose_action(choice=p13)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 69,
"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"
}gameGem31P Gramps puts Plains from hand onto the Battlefield
Gem31P GrampsmcpCast Kor Spiritdancer {1}{W}
raw
choose_action(choice=p34)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 73,
"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 instants and activated abilities"
}Gem31P Grampsllm
pass_priority(until=declare_attackers, board_cursor=5)
{
"combat_phase": "attackers",
"game_seq": 82,
"action_type": "GAME_SELECT",
"context": "T2 Combat/Declare Attackers (Gem31P 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": 6,
"choices": [
{
"name": "Healer's Hawk",
"index": 0,
"choice_type": "attacker",
"id": "p11",
"power": "1",
"toughness": "1"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 5,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
}
],
"name": "Gem31P Gramps",
"library_size": 31,
"life": 20,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"mana_cost": "{W}",
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 3,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 34,
"life": 20
}
],
"action_pending": true
}gameGem31P Gramps casts Kor Spiritdancer from hand
gameGem31P Gramps puts Kor Spiritdancer from stack onto the Battlefield
— Declare Attackers —
Gem31P GrampsmcpAttack with Healer's Hawk 1/1
raw
choose_action(attackers=p11)
{
"declared": [
"p11"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 82,
"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"
}gameGem31P Gramps attacks GPT5 Optim with 1 creature
— Declare Blockers —
GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=8)
{
"combat_phase": "blockers",
"game_seq": 88,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T2 Combat/Declare Blockers (Gem31P Gramps)",
"recent_chat": [
"Gem31P Gramps: Oho, Sinuous Vermin, eh? Newfangled nonsense, back in my day we had real monsters, not these jumped-up rats!"
],
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 9,
"choices": [
{
"name": "Sinuous Vermin",
"index": 0,
"choice_type": "blocker",
"id": "p25",
"power": "2",
"toughness": "2"
}
],
"board": [
{
"hand_size": 3,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 34,
"life": 20,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"power": "1",
"id": "p23",
"toughness": "1"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18"
}
]
},
{
"hand_size": 5,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
}
],
"name": "Gem31P Gramps",
"library_size": 31,
"life": 20
}
],
"incoming_attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
}
]
}GPT5 OptimmcpNo blocks
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"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": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=9)
{
"game_seq": 100,
"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 Optim) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 10,
"choices": [
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"index": 0,
"action": "cast",
"id": "p23",
"power": "1",
"toughness": "1"
},
{
"name": "Plains",
"index": 1,
"action": "land",
"id": "p18"
}
],
"board": [
{
"hand_size": 4,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"power": "1",
"id": "p23",
"toughness": "1",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18",
"playable": true
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
}
],
"name": "Gem31P Gramps",
"library_size": 31,
"life": 21
}
]
}gameGPT5 Optim loses 1 life at combat from Healer's Hawk
gameGem31P Gramps gains 1 life
— Combat Damage —
— Postcombat Main —
— GPT5 Optim's Turn 3 —
GPT5 OptimmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, 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": "Select attackers"
}GPT5 Optimllm
pass_priority(until=declare_attackers, board_cursor=10)
{
"combat_phase": "attackers",
"game_seq": 102,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 2,
"message": "Select attackers",
"action_pending": true,
"context": "T3 Combat/Declare Attackers (GPT5 Optim)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 11,
"choices": [
{
"name": "Sinuous Vermin",
"index": 0,
"choice_type": "attacker",
"id": "p25",
"power": "2",
"toughness": "2"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 4,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"power": "1",
"id": "p23",
"toughness": "1"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
}
],
"name": "Gem31P Gramps",
"library_size": 31,
"life": 21
}
]
}minor blunder
GPT5 Optim passed priority in their precombat main phase without playing their Plains land drop or casting Nezumi Bone-R…
GPT5 Optim passed priority in their precombat main phase without playing their Plains land drop or casting Nezumi Bone-Reader (which costs {1}{B} and they have 2 Swamps untapped). Playing the Plains first is free and expands future options, and casting the Bone-Reader puts a body on the board. Instead, they passed and ended the phase without doing anything.
Analysis
Action taken: Passed priority in precombat main phase, skipping the land drop and not casting any spell.
Better line: Play Plains, then cast Nezumi Bone-Reader with the two Swamps. This develops the board and preserves options for future turns.
— Declare Attackers —
GPT5 OptimmcpAttack with Sinuous Vermin 2/2
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=p25, blockers=, text=, choice=)
{
"declared": [
"p25"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 102,
"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 Optim attacks Gem31P Gramps with 1 creature
— Declare Blockers —
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=6)
{
"combat_phase": "blockers",
"game_seq": 109,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"combat": [
{
"blocked": false,
"defending": "Gem31P Gramps",
"attackers": [
{
"name": "Sinuous Vermin",
"id": "p25",
"power": "2",
"toughness": "2"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T3 Combat/Declare Blockers (GPT5 Optim)",
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 7,
"choices": [
{
"name": "Kor Spiritdancer",
"index": 0,
"choice_type": "blocker",
"id": "p34",
"power": "0",
"toughness": "2"
}
],
"board": [
{
"hand_size": 5,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
}
],
"name": "Gem31P Gramps",
"library_size": 31,
"life": 21,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"mana_cost": "{W}",
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 4,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19
}
],
"incoming_attackers": [
{
"name": "Sinuous Vermin",
"id": "p25",
"power": "2",
"toughness": "2"
}
]
}Gem31P GrampsmcpNo blocks
raw
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 109,
"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"
}gameGem31P Gramps loses 2 life at combat from Sinuous Vermin
— Combat Damage —
— Postcombat Main —
GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=11)
{
"game_seq": 118,
"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 Postcombat Main/Postcombat Main (GPT5 Optim) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 12,
"choices": [
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"index": 0,
"action": "cast",
"id": "p23",
"power": "1",
"toughness": "1"
},
{
"name": "Plains",
"index": 1,
"action": "land",
"id": "p18"
}
],
"board": [
{
"hand_size": 4,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{1}{B}",
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"power": "1",
"id": "p23",
"toughness": "1",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p18",
"playable": true
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 5,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
}
],
"name": "Gem31P Gramps",
"library_size": 31,
"life": 19
}
]
}GPT5 OptimmcpPlay Plains
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p18)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 118,
"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"
}GPT5 Optimllm
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p23)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 121,
"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 instants and activated abilities"
}gameGPT5 Optim puts Plains from hand onto the Battlefield
gameGPT5 Optim casts Nezumi Bone-Reader from hand
gameGPT5 Optim puts Nezumi Bone-Reader from stack onto the Battlefield
— Gem31P Gramps's Turn 3 —
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=7)
{
"game_seq": 130,
"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 (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 8,
"choices": [
{
"mana_cost": "{W}",
"name": "Anointed Chorister",
"index": 0,
"action": "cast",
"id": "p42",
"power": "1",
"toughness": "1"
},
{
"name": "Plains",
"index": 1,
"action": "land",
"id": "p14"
},
{
"name": "Plains",
"index": 2,
"action": "land",
"id": "p15"
},
{
"mana_cost": "{W}",
"name": "Sky Tether",
"index": 3,
"action": "cast",
"id": "p38"
}
],
"board": [
{
"hand_size": 6,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
}
],
"name": "Gem31P Gramps",
"library_size": 30,
"life": 19,
"hand": [
{
"mana_cost": "{W}",
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"power": "1",
"id": "p42",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p14",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15",
"playable": true
},
{
"mana_cost": "{W}",
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38",
"playable": true
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 2,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19
}
]
}Gem31P GrampsmcpPlay Plains
raw
choose_action(choice=p14)
{
"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": "selected_1",
"next_action_message": "Play spells and abilities"
}gameGem31P Gramps puts Plains from hand onto the Battlefield
Gem31P GrampsmcpCast Sky Tether {W}
raw
choose_action(choice=p38)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 134,
"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"
}Gem31P GrampsmcpSinuous Vermin
raw
choose_action(choice=p25)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 135,
"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": "Play instants and activated abilities"
}Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=10)
{
"stack": [
{
"name": "Ability"
},
{
"name": "Sky Tether",
"targets": [
{
"name": "Sinuous Vermin (2/2) [tapped] (GPT5 Optim's)",
"id": "p25"
}
]
}
],
"game_seq": 141,
"action_type": "GAME_ASK",
"stop_reason": "non_priority_action",
"response_type": "boolean",
"untapped_lands": 2,
"message": "Whenever you cast an Aura spell, you may draw a card.",
"action_pending": true,
"land_drops_used": 1,
"context": "T3 Precombat Main/Precombat Main (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=yes or choice=no",
"board_cursor": 11,
"board": [
{
"hand_size": 4,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 30,
"life": 19,
"hand": [
{
"mana_cost": "{W}",
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"power": "1",
"id": "p42",
"toughness": "1"
},
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 2,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19
}
]
}gameGem31P Gramps casts Sky Tether targeting Sinuous Vermin from hand
gameGem31P Gramps - Ability triggers: Kor Spiritdancer - Whenever you cast an Aura spell, you may draw a card.
Gem31P Grampsmcptrue
raw
choose_action(choice=yes)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 141,
"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"
}Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=11)
{
"game_seq": 145,
"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": 1,
"has_playable_cards": true,
"context": "T3 Precombat Main/Precombat Main (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 12,
"choices": [
{
"mana_cost": "{W}",
"name": "Anointed Chorister",
"index": 0,
"action": "cast",
"id": "p42",
"power": "1",
"toughness": "1"
}
],
"board": [
{
"hand_size": 5,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 19,
"hand": [
{
"mana_cost": "{W}",
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"power": "1",
"id": "p42",
"toughness": "1",
"playable": true
},
{
"mana_cost": "{2}{W}",
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 2,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19
}
]
}gameGem31P Gramps puts Sky Tether from stack onto the Battlefield
Gem31P GrampsmcpCast Anointed Chorister {W}
raw
choose_action(choice=p42)
{
"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": "selected_0",
"next_action_message": "Play instants and activated abilities"
}Gem31P Grampsllm
pass_priority(until=declare_attackers, board_cursor=12)
{
"combat_phase": "attackers",
"game_seq": 153,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 1,
"message": "Select attackers",
"action_pending": true,
"context": "T3 Combat/Declare Attackers (Gem31P Gramps)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 13,
"choices": [
{
"name": "Healer's Hawk",
"index": 0,
"choice_type": "attacker",
"id": "p11",
"power": "1",
"toughness": "1"
},
{
"name": "Kor Spiritdancer",
"index": 1,
"choice_type": "attacker",
"id": "p34",
"power": "0",
"toughness": "2"
},
{
"name": "All attack",
"index": 2,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 4,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 19,
"hand": [
{
"mana_cost": "{2}{W}",
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 2,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19
}
]
}gameGem31P Gramps casts Anointed Chorister from hand
gameGem31P Gramps puts Anointed Chorister from stack onto the Battlefield
— Declare Attackers —
Gem31P GrampsmcpAttack with Healer's Hawk 1/1
raw
choose_action(attackers=p11)
{
"declared": [
"p11"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 153,
"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"
}gameGem31P Gramps attacks GPT5 Optim with 1 creature
— Declare Blockers —
GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=12)
{
"combat_phase": "blockers",
"game_seq": 159,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 1,
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T3 Combat/Declare Blockers (Gem31P Gramps)",
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 14,
"choices": [
{
"name": "Nezumi Bone-Reader",
"index": 0,
"choice_type": "blocker",
"id": "p23",
"power": "1",
"toughness": "1"
}
],
"board": [
{
"hand_size": 2,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 4,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 19
}
],
"incoming_attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
}
]
}GPT5 Optimllm
get_game_state(cursor=121)
{
"phase": "Combat",
"priority_player": "GPT5 Optim",
"cursor": 3,
"stack": [],
"game_seq": 159,
"active_player": "Gem31P Gramps",
"players": [
{
"hand_size": 2,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 33,
"life": 19,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 4,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 19
}
],
"available": true,
"step": "Declare Blockers",
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
}
]
}
],
"turn": 3
}GPT5 OptimmcpNezumi Bone-Reader blocks Healer's Hawk
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=p23:p11, text=, choice=)
{
"declared": [],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 159,
"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": [
{
"id": "p23",
"reason": "attacker p11 is not a valid block target"
}
],
"next_action_message": "Play instants and activated abilities"
}GPT5 Optimllm
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 165,
"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"
}GPT5 Optimllm
pass_priority(until=my_turn, board_cursor=14)
{
"game_seq": 173,
"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 Optim) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 15,
"choices": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"index": 0,
"action": "cast",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"name": "Nezumi Bone-Reader",
"index": 1,
"action": "activate",
"playable_abilities": [
"{B}, Sacrifice a creature: Target player discards..."
],
"id": "p23"
},
{
"name": "Thriving Heath",
"index": 2,
"action": "land",
"id": "p21"
}
],
"board": [
{
"hand_size": 3,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18,
"hand": [
{
"mana_cost": "{1}{B}{B}",
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"power": "2",
"id": "p36",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
},
{
"name": "Thriving Heath",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color."
],
"id": "p21",
"playable": true
}
]
},
{
"hand_size": 4,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 20
}
]
}gameGPT5 Optim loses 1 life at combat from Healer's Hawk
gameGem31P Gramps gains 1 life
— Combat Damage —
— Postcombat Main —
— GPT5 Optim's Turn 4 —
GPT5 OptimmcpCast Chittering Rats {1}{B}{B}
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p36)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 173,
"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 instants and activated abilities"
}GPT5 Optimllm
pass_priority(until=precombat_main, board_cursor=15)
{
"stack": [
{
"name": "Chittering Rats"
}
],
"game_seq": 180,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "boolean",
"message": "Play instants and activated abilities",
"action_pending": true,
"land_drops_used": 0,
"context": "T4 Precombat Main/Precombat Main (GPT5 Optim) YOUR_MAIN",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"board_cursor": 16,
"board": [
{
"hand_size": 2,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18,
"hand": [
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
},
{
"name": "Thriving Heath",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color."
],
"id": "p21"
}
]
},
{
"hand_size": 4,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 20
}
],
"current_step": "Precombat Main"
}gameGPT5 Optim casts Chittering Rats from hand
chatGPT5 Optim: Topdecked the Rats—time to mess with the draw step. Heart of the deck coming through!
GPT5 Optimmcpsend_chat_message
raw
send_chat_message(message=Topdecked the Rats—time to mess with the...)
{
"success": true
}GPT5 Optimmcptrue
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=yes)
{
"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": "confirmed",
"next_action_message": "Play instants and activated abilities"
}GPT5 Optimllm
pass_priority(until=precombat_main, board_cursor=16)
{
"stack": [
{
"name": "Ability",
"targets": [
{
"name": "Gem31P Gramps",
"id": "p2"
}
]
}
],
"game_seq": 185,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "boolean",
"message": "Play instants and activated abilities",
"action_pending": true,
"land_drops_used": 0,
"context": "T4 Precombat Main/Precombat Main (GPT5 Optim) YOUR_MAIN",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"board_cursor": 17,
"board": [
{
"hand_size": 2,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18,
"hand": [
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
},
{
"name": "Thriving Heath",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color."
],
"id": "p21"
}
]
},
{
"hand_size": 4,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 20
}
],
"current_step": "Precombat Main"
}gameGPT5 Optim puts Chittering Rats from stack onto the Battlefield
gameGPT5 Optim - Ability triggers: Chittering Rats - When Chittering Rats enters, target opponent puts a card from their hand on top of their library. - targeting Gem31P Gramps
GPT5 Optimmcptrue
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=yes)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 185,
"next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
"success": true,
"action_taken": "confirmed",
"next_action_message": "Play spells and abilities"
}GPT5 Optimllm
pass_priority(until=precombat_main, board_cursor=17)
{
"game_seq": 189,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "select",
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"context": "T4 Precombat Main/Precombat Main (GPT5 Optim) YOUR_MAIN",
"recent_chat": [
"Gem31P Gramps: More rats? What is this, a 1999 discard deck? Pshaw. I'll just tuck this land away for later."
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 18,
"choices": [
{
"name": "Thriving Heath",
"index": 0,
"action": "land",
"id": "p21"
}
],
"board": [
{
"hand_size": 2,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18,
"hand": [
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
},
{
"name": "Thriving Heath",
"is_land": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color."
],
"id": "p21",
"playable": true
}
]
},
{
"hand_size": 3,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 30,
"life": 20
}
],
"current_step": "Precombat Main"
}chatGem31P Gramps: More rats? What is this, a 1999 discard deck? Pshaw. I'll just tuck this land away for later.
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=13)
{
"stack": [
{
"name": "Ability",
"targets": [
{
"name": "Gem31P Gramps (you)",
"id": "p2"
}
]
}
],
"game_seq": 187,
"action_type": "GAME_TARGET",
"stop_reason": "non_priority_action",
"response_type": "index",
"can_cancel": false,
"untapped_lands": 1,
"message": "Select a card (to put on top of your library)",
"required": true,
"action_pending": true,
"context": "T4 Precombat Main/Precombat Main (GPT5 Optim)",
"recent_chat": [
"GPT5 Optim: Topdecked the Rats—time to mess with the draw step. Heart of the deck coming through!"
],
"respond_with": "choice=pN",
"board_cursor": 14,
"choices": [
{
"name": "Dub",
"target_type": "card",
"index": 0,
"id": "p45"
},
{
"name": "Gale Swooper",
"target_type": "card",
"index": 1,
"id": "p10"
},
{
"name": "Plains",
"target_type": "card",
"index": 2,
"id": "p15"
},
{
"name": "Steel-Plume Marshal",
"target_type": "card",
"index": 3,
"id": "p16"
}
],
"board": [
{
"hand_size": 4,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 20,
"hand": [
{
"mana_cost": "{2}{W}",
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 2,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18
}
]
}Gem31P Grampsmcpsend_chat_message
raw
send_chat_message(message=More rats? What is this, a 1999 discard ...)
{
"success": true
}Gem31P GrampsmcpPlains
raw
choose_action(choice=p15)
{
"game_seq": 187,
"success": true,
"action_taken": "selected_target_2"
}gameGem31P Gramps puts a card from hand to the top of their library (source: Chittering Rats)
GPT5 OptimmcpPlay Thriving Heath
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p21)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_CHOICE",
"game_seq": 189,
"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 replacement effect to resolve first"
}minor blunder
GPT5 Optim timed out on the Thriving Heath color choice.
GPT5 Optim timed out on the Thriving Heath color choice. As a BW deck, Black is the only correct choice to maximize mana flexibility. The default selection (likely Blue) produces an off-color mana that has no use in their deck, essentially making Thriving Heath a worse Plains for the rest of the game.
Analysis
Action taken: Timed out, allowing the game to auto-select a color (likely Blue) for Thriving Heath.
Better line: Choose Black for Thriving Heath, giving access to both W and B mana from the land, supporting cards like Sinuous Vermin's monstrosity activation and other black spells.
GPT5 OptimmcpThriving Heath: As Thriving Heath enters, choose a color other than white.
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=1)
{
"next_action_pending": true,
"next_action_type": "GAME_CHOOSE_CHOICE",
"game_seq": 190,
"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 OptimmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=Black, choice=)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 191,
"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_Black",
"next_action_message": "Play spells and abilities"
}GPT5 Optimllm
pass_priority(until=precombat_main, board_cursor=18)
{
"land_drops_used": 1,
"game_seq": 194,
"action_type": "GAME_SELECT",
"context": "T4 Precombat Main/Precombat Main (GPT5 Optim) 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": 19,
"board": [
{
"hand_size": 1,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": true,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18,
"hand": [
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 3,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": true
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 30,
"life": 20
}
],
"action_pending": true,
"current_step": "Precombat Main"
}gameThriving Heath: GPT5 Optim has chosen Black
gameGPT5 Optim puts Thriving Heath from hand onto the Battlefield
GPT5 OptimmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 194,
"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"
}— Declare Attackers —
GPT5 OptimmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 196,
"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"
}minor blunder
GPT5 Optim passed on attacking when the opponent had only Kor Spiritdancer (0/2) available to block.
GPT5 Optim passed on attacking when the opponent had only Kor Spiritdancer (0/2) available to block. Sinuous Vermin 2/2 could attack with zero risk since Spiritdancer deals 0 combat damage - it either gets through for 2 damage or kills Spiritdancer for free. Nezumi Bone-Reader could also attack safely. At minimum 1 damage guaranteed, likely 2-3.
Analysis
Action taken: Declined to attack with any creatures.
Better line: Attack with at least Sinuous Vermin 2/2 (risk-free 2 damage or kills the 0/2 blocker), and likely Nezumi Bone-Reader as well since the only blocker deals 0 damage.
— Postcombat Main —
— Gem31P Gramps's Turn 4 —
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=14)
{
"game_seq": 203,
"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 (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 15,
"choices": [
{
"mana_cost": "{2}{W}",
"name": "Dub",
"index": 0,
"action": "cast",
"id": "p45"
},
{
"name": "Plains",
"index": 1,
"action": "land",
"id": "p15"
}
],
"board": [
{
"hand_size": 4,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 20,
"hand": [
{
"mana_cost": "{2}{W}",
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45",
"playable": true
},
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p15",
"playable": true
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 1,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": true,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18
}
]
}Gem31P GrampsmcpPlay Plains
raw
choose_action(choice=p15)
{
"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_1",
"next_action_message": "Play spells and abilities"
}gameGem31P Gramps puts Plains from hand onto the Battlefield
Gem31P GrampsmcpCast Dub {2}{W}
raw
choose_action(choice=p45)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 207,
"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"
}Gem31P GrampsmcpKor Spiritdancer
raw
choose_action(choice=p34)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 208,
"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": "Play instants and activated abilities"
}Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=17)
{
"stack": [
{
"name": "Ability"
},
{
"name": "Dub",
"targets": [
{
"name": "Kor Spiritdancer (0/2) (yours)",
"id": "p34"
}
]
}
],
"game_seq": 216,
"action_type": "GAME_ASK",
"stop_reason": "non_priority_action",
"response_type": "boolean",
"untapped_lands": 1,
"message": "Whenever you cast an Aura spell, you may draw a card.",
"action_pending": true,
"land_drops_used": 1,
"context": "T4 Precombat Main/Precombat Main (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=yes or choice=no",
"board_cursor": 18,
"board": [
{
"hand_size": 2,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card."
],
"id": "p34",
"power": "0",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
}
],
"name": "Gem31P Gramps",
"library_size": 29,
"life": 20,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 1,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": true,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18
}
]
}gameGem31P Gramps casts Dub targeting Kor Spiritdancer from hand
gameGem31P Gramps - Ability triggers: Kor Spiritdancer - Whenever you cast an Aura spell, you may draw a card.
Gem31P Grampsmcptrue
raw
choose_action(choice=yes)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 216,
"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"
}Gem31P Grampsllm
pass_priority(until=declare_attackers, board_cursor=18)
{
"combat_phase": "attackers",
"game_seq": 222,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 1,
"message": "Select attackers",
"action_pending": true,
"context": "T4 Combat/Declare Attackers (Gem31P Gramps)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 19,
"choices": [
{
"name": "Healer's Hawk",
"index": 0,
"choice_type": "attacker",
"id": "p11",
"power": "1",
"toughness": "1"
},
{
"name": "Kor Spiritdancer",
"index": 1,
"choice_type": "attacker",
"id": "p34",
"power": "4",
"toughness": "6"
},
{
"name": "Anointed Chorister",
"index": 2,
"choice_type": "attacker",
"id": "p42",
"power": "1",
"toughness": "1"
},
{
"name": "All attack",
"index": 3,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 3,
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
}
],
"name": "Gem31P Gramps",
"library_size": 28,
"life": 20,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 1,
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": true,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18
}
]
}gameGem31P Gramps puts Dub from stack onto the Battlefield
— Declare Attackers —
Gem31P GrampsmcpAttack with all (Healer's Hawk 1/1, Kor Spiritdancer 4/6, Anointed Chorister 1/1)
raw
choose_action(attackers=all)
{
"declared": [
"all"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 222,
"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"
}gameGem31P Gramps attacks GPT5 Optim with 3 creatures
— Declare Blockers —
GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=19)
{
"combat_phase": "blockers",
"game_seq": 228,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "4",
"toughness": "6"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Anointed Chorister",
"id": "p42",
"power": "1",
"toughness": "1"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T4 Combat/Declare Blockers (Gem31P Gramps)",
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 20,
"choices": [
{
"name": "Sinuous Vermin",
"index": 0,
"choice_type": "blocker",
"id": "p25",
"power": "2",
"toughness": "2"
},
{
"name": "Nezumi Bone-Reader",
"index": 1,
"choice_type": "blocker",
"id": "p23",
"power": "1",
"toughness": "1"
},
{
"name": "Chittering Rats",
"index": 2,
"choice_type": "blocker",
"id": "p36",
"power": "2",
"toughness": "2"
}
],
"board": [
{
"hand_size": 1,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": true,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18,
"hand": [
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 3,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
}
],
"name": "Gem31P Gramps",
"library_size": 28,
"life": 20
}
],
"incoming_attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
},
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "4",
"toughness": "6"
},
{
"name": "Anointed Chorister",
"id": "p42",
"power": "1",
"toughness": "1"
}
]
}GPT5 Optimllm
get_game_state(cursor=0)
{
"phase": "Combat",
"priority_player": "GPT5 Optim",
"cursor": 7,
"stack": [],
"game_seq": 228,
"active_player": "Gem31P Gramps",
"players": [
{
"hand_size": 1,
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": true
},
{
"tapped": false,
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": true,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 32,
"life": 18,
"hand": [
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 3,
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
}
],
"name": "Gem31P Gramps",
"library_size": 28,
"life": 20
}
],
"available": true,
"step": "Declare Blockers",
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "4",
"toughness": "6"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Anointed Chorister",
"id": "p42",
"power": "1",
"toughness": "1"
}
]
}
],
"turn": 4
}GPT5 OptimmcpNezumi Bone-Reader blocks Kor Spiritdancer, Chittering Rats blocks Anointed Chorister
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=p23:p34,p36:p42, text=, choice=)
{
"declared": [
{
"id": "p23",
"blocks": "p34"
},
{
"id": "p36",
"blocks": "p42"
}
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 228,
"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"
}GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=20)
{
"combat_phase": "attackers",
"game_seq": 257,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 4,
"message": "Select attackers",
"action_pending": true,
"context": "T5 Combat/Declare Attackers (GPT5 Optim)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 21,
"choices": [
{
"name": "Chittering Rats",
"index": 0,
"choice_type": "attacker",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 31,
"life": 17,
"hand": [
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 1"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 3,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
}
],
"name": "Gem31P Gramps",
"library_size": 28,
"life": 22
}
]
}gameAttacker: Kor Spiritdancer (4/6) blocked by Nezumi Bone-Reader (1/1)
gameAttacker: Anointed Chorister (1/1) blocked by Chittering Rats (2/2)
gameKor Spiritdancer deals 4 damage to Nezumi Bone-Reader
gameNezumi Bone-Reader died
— Combat Damage —
gameGPT5 Optim loses 1 life at combat from Healer's Hawk
gameChittering Rats deals 2 damage to Anointed Chorister
gameAnointed Chorister deals 1 damage to Chittering Rats
gameGem31P Gramps gains 1 life
gameGem31P Gramps gains 1 life
gameAnointed Chorister died
— Combat Damage —
— Postcombat Main —
— GPT5 Optim's Turn 5 —
— Declare Attackers —
GPT5 OptimmcpAttack with Chittering Rats 2/2
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=p36, blockers=, text=, choice=)
{
"declared": [
"p36"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 257,
"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 Optimllm
pass_priority(until=postcombat_main, board_cursor=21)
{
"game_seq": 272,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "boolean",
"untapped_lands": 4,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"context": "T5 Postcombat Main/Postcombat Main (GPT5 Optim) YOUR_MAIN",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"board_cursor": 22,
"board": [
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 31,
"life": 17,
"hand": [
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 1"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 3,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
}
],
"name": "Gem31P Gramps",
"library_size": 28,
"life": 20
}
],
"current_step": "Postcombat Main"
}minor blunder
Both of the opponent's creatures are tapped, meaning there are no blockers available.
Both of the opponent's creatures are tapped, meaning there are no blockers available. Attacking with only Chittering Rats deals 2 damage when attacking with both creatures would deal 4 damage for free with no risk.
Analysis
Action taken: Attacked with only Chittering Rats (2 damage)
Better line: Attack with all creatures (Chittering Rats + Sinuous Vermin) for 4 damage against an empty board with no blockers available.
gameGPT5 Optim attacks Gem31P Gramps with 1 creature
— Declare Blockers —
gameGem31P Gramps loses 2 life at combat from Chittering Rats
— Combat Damage —
— Postcombat Main —
GPT5 OptimmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 272,
"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"
}— Gem31P Gramps's Turn 5 —
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=19)
{
"game_seq": 274,
"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": "T5 Precombat Main/Precombat Main (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 20,
"choices": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"index": 0,
"action": "cast",
"id": "p10",
"power": "3",
"toughness": "2"
},
{
"name": "Plains",
"index": 1,
"action": "land",
"id": "p51"
},
{
"name": "Plains",
"index": 2,
"action": "land",
"id": "p53"
}
],
"board": [
{
"hand_size": 4,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
}
],
"name": "Gem31P Gramps",
"library_size": 27,
"life": 20,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p51",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p53",
"playable": true
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 31,
"life": 17
}
]
}Gem31P GrampsmcpPlay Plains
raw
choose_action(choice=p51)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 274,
"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"
}gameGem31P Gramps puts Plains from hand onto the Battlefield
— Declare Attackers —
Gem31P Grampsllm
pass_priority(until=declare_attackers, board_cursor=20)
{
"combat_phase": "attackers",
"game_seq": 280,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 5,
"message": "Select attackers",
"action_pending": true,
"context": "T5 Combat/Declare Attackers (Gem31P Gramps)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 21,
"choices": [
{
"name": "Healer's Hawk",
"index": 0,
"choice_type": "attacker",
"id": "p11",
"power": "1",
"toughness": "1"
},
{
"name": "Kor Spiritdancer",
"index": 1,
"choice_type": "attacker",
"id": "p34",
"power": "4",
"toughness": "6"
},
{
"name": "All attack",
"index": 2,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 3,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
}
],
"name": "Gem31P Gramps",
"library_size": 27,
"life": 20,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3"
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 31,
"life": 17
}
]
}Gem31P GrampsmcpAttack with all (Healer's Hawk 1/1, Kor Spiritdancer 4/6)
raw
choose_action(attackers=all)
{
"declared": [
"all"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 280,
"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"
}gameGem31P Gramps attacks GPT5 Optim with 2 creatures
— Declare Blockers —
GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=22)
{
"combat_phase": "blockers",
"game_seq": 286,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 4,
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "4",
"toughness": "6"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T5 Combat/Declare Blockers (Gem31P Gramps)",
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 23,
"choices": [
{
"name": "Sinuous Vermin",
"index": 0,
"choice_type": "blocker",
"id": "p25",
"power": "2",
"toughness": "2"
}
],
"board": [
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": true,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Sinuous Vermin",
"modified": true,
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
"Defender",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 31,
"life": 17,
"hand": [
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 1"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 3,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
}
],
"name": "Gem31P Gramps",
"library_size": 27,
"life": 20
}
],
"incoming_attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "1",
"toughness": "1"
},
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "4",
"toughness": "6"
}
]
}GPT5 OptimmcpSinuous Vermin blocks Kor Spiritdancer
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=p25:p34, text=, choice=)
{
"declared": [
{
"id": "p25",
"blocks": "p34"
}
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 286,
"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: Kor Spiritdancer (4/6) blocked by Sinuous Vermin (2/2)
gameKor Spiritdancer deals 4 damage to Sinuous Vermin
gameSinuous Vermin died
gameSky Tether is put into graveyard from battlefield
— Combat Damage —
gameGPT5 Optim loses 1 life at combat from Healer's Hawk
gameGem31P Gramps gains 1 life
— Combat Damage —
— Postcombat Main —
Gem31P Grampsllm
pass_priority(until=postcombat_main, board_cursor=21)
{
"game_seq": 304,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "select",
"untapped_lands": 5,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 1,
"context": "T5 Postcombat Main/Postcombat Main (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 22,
"choices": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"index": 0,
"action": "cast",
"id": "p10",
"power": "3",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"index": 1,
"action": "cast",
"id": "p16",
"power": "3",
"toughness": "3"
}
],
"board": [
{
"hand_size": 3,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
}
],
"name": "Gem31P Gramps",
"library_size": 27,
"life": 21,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"power": "3",
"id": "p16",
"toughness": "3",
"playable": true
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": true,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 31,
"life": 16
}
],
"current_step": "Postcombat Main"
}Gem31P GrampsmcpCast Steel-Plume Marshal {3}{W}{W}
raw
choose_action(choice=p16)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 304,
"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 instants and activated abilities"
}gameGem31P Gramps casts Steel-Plume Marshal from hand
gameGem31P Gramps puts Steel-Plume Marshal from stack onto the Battlefield
— GPT5 Optim's Turn 6 —
chatGPT5 Optim: Deathtouch joins the party. One step at a time—this board’s about to turn around.
GPT5 Optimllm
pass_priority(until=my_turn, board_cursor=23)
{
"game_seq": 317,
"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": "T6 Precombat Main/Precombat Main (GPT5 Optim) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 24,
"choices": [
{
"mana_cost": "{B}",
"name": "Typhoid Rats",
"index": 0,
"action": "cast",
"id": "p9",
"power": "1",
"toughness": "1"
}
],
"board": [
{
"hand_size": 3,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
}
],
"name": "GPT5 Optim",
"library_size": 30,
"life": 16,
"hand": [
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 2"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
},
{
"mana_cost": "{B}",
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"power": "1",
"id": "p9",
"toughness": "1",
"playable": true
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"id": "p16",
"power": "3",
"toughness": "3",
"summoning_sick": true
}
],
"name": "Gem31P Gramps",
"library_size": 27,
"life": 21
}
]
}GPT5 Optimmcpsend_chat_message
raw
send_chat_message(message=Deathtouch joins the party. One step at ...)
{
"success": true
}GPT5 OptimmcpCast Typhoid Rats {B}
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=p9)
{
"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": "selected_0",
"next_action_message": "Play instants and activated abilities"
}GPT5 Optimllm
pass_priority(until=begin_combat, board_cursor=24)
{
"combat_phase": "attackers",
"game_seq": 327,
"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 Optim)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 25,
"choices": [
{
"name": "Chittering Rats",
"index": 0,
"choice_type": "attacker",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": true
}
],
"name": "GPT5 Optim",
"library_size": 30,
"life": 16,
"hand": [
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 2"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"id": "p16",
"power": "3",
"toughness": "3",
"summoning_sick": true
}
],
"name": "Gem31P Gramps",
"library_size": 27,
"life": 21
}
]
}gameGPT5 Optim casts Typhoid Rats from hand
gameGPT5 Optim puts Typhoid Rats from stack onto the Battlefield
— Declare Attackers —
GPT5 OptimmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 327,
"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"
}minor blunder
GPT5 Optim declined to attack with Chittering Rats 2/2 when the opponent had zero available blockers (all creatures were…
GPT5 Optim declined to attack with Chittering Rats 2/2 when the opponent had zero available blockers (all creatures were either tapped or had summoning sickness). This is 2 free damage with no risk.
Analysis
Action taken: Passed on attacking, dealing 0 damage.
Better line: Attack with Chittering Rats for 2 uncontested damage, bringing opponent from 21 to 19 life.
— Postcombat Main —
— Gem31P Gramps's Turn 6 —
chatGem31P Gramps: Look at all these rats! Exterminator must be on strike. Let's send in the birds.
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=22)
{
"game_seq": 334,
"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": "T6 Precombat Main/Precombat Main (Gem31P Gramps) YOUR_MAIN",
"recent_chat": [
"GPT5 Optim: Deathtouch joins the party. One step at a time—this board’s about to turn around."
],
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 23,
"choices": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"index": 0,
"action": "cast",
"id": "p10",
"power": "3",
"toughness": "2"
},
{
"name": "Plains",
"index": 1,
"action": "land",
"id": "p53"
},
{
"mana_cost": "{2}{W}",
"name": "Warded Battlements",
"index": 2,
"action": "cast",
"id": "p56",
"power": "0",
"toughness": "3"
}
],
"board": [
{
"hand_size": 3,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"id": "p16",
"power": "3",
"toughness": "3",
"summoning_sick": false
}
],
"name": "Gem31P Gramps",
"library_size": 26,
"life": 21,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2",
"playable": true
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p53",
"playable": true
},
{
"mana_cost": "{2}{W}",
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"power": "0",
"id": "p56",
"toughness": "3",
"playable": true
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": true
}
],
"name": "GPT5 Optim",
"library_size": 30,
"life": 16
}
]
}Gem31P Grampsmcpsend_chat_messagemcpCast Warded Battlements {2}{W}
raw
send_chat_message(message=Look at all these rats! Exterminator mus...)
{
"success": true
}raw
choose_action(choice=p56)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 334,
"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 instants and activated abilities"
}major blunder
Missed lethal by casting Warded Battlements instead of Gale Swooper.
Missed lethal by casting Warded Battlements instead of Gale Swooper. Gale Swooper (3W) would give Kor Spiritdancer flying via ETB, enabling an alpha strike with Steel-Plume Marshal pumping all flying attackers +2/+2: Marshal (3) + Hawk (3) + Gale Swooper (5) + Kor Spiritdancer (6) = 17 damage against opponent's 16 life. After casting Warded Battlements for 3 mana, only 2 mana remains (3 with the land drop), which is insufficient to cast Gale Swooper at 4 mana.
Analysis
Action taken: Cast Warded Battlements (2W), leaving insufficient mana for Gale Swooper
Better line: Play Plains first, then cast Gale Swooper targeting Kor Spiritdancer with flying ETB, then attack with all four flyers for 17 damage (lethal through Steel-Plume Marshal's +2/+2 to other flying attackers)
gameGem31P Gramps casts Warded Battlements from hand
Gem31P GrampsmcpPass
raw
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 341,
"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"
}gameGem31P Gramps puts Warded Battlements from stack onto the Battlefield
Gem31P GrampsmcpPlay Plains
raw
choose_action(choice=p53)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 344,
"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"
}Gem31P Grampsllm
pass_priority(until=declare_attackers, board_cursor=25)
{
"combat_phase": "attackers",
"game_seq": 348,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 3,
"message": "Select attackers",
"action_pending": true,
"context": "T6 Combat/Declare Attackers (Gem31P Gramps)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 26,
"choices": [
{
"name": "Healer's Hawk",
"index": 0,
"choice_type": "attacker",
"id": "p11",
"power": "1",
"toughness": "1"
},
{
"name": "Kor Spiritdancer",
"index": 1,
"choice_type": "attacker",
"id": "p34",
"power": "4",
"toughness": "6"
},
{
"name": "Steel-Plume Marshal",
"index": 2,
"choice_type": "attacker",
"id": "p16",
"power": "3",
"toughness": "3"
},
{
"name": "All attack",
"index": 3,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 1,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"tapped": false,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"id": "p16",
"power": "3",
"toughness": "3",
"summoning_sick": false
},
{
"tapped": false,
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"id": "p56",
"power": "0",
"toughness": "3",
"summoning_sick": true
}
],
"name": "Gem31P Gramps",
"library_size": 26,
"life": 21,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": true
}
],
"name": "GPT5 Optim",
"library_size": 30,
"life": 16
}
]
}gameGem31P Gramps puts Plains from hand onto the Battlefield
— Declare Attackers —
Gem31P GrampsmcpAttack with all (Healer's Hawk 1/1, Kor Spiritdancer 4/6, Steel-Plume Marshal 3/3)
raw
choose_action(attackers=all)
{
"declared": [
"all"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 348,
"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"
}gameGem31P Gramps attacks GPT5 Optim with 3 creatures
gameGem31P Gramps - Ability triggers: Steel-Plume Marshal - Whenever Steel-Plume Marshal attacks, other attacking creatures you control with flying get +2/+2 until end of turn.
— Declare Blockers —
GPT5 Optimllm
pass_priority(until=end_of_turn, board_cursor=25)
{
"combat_phase": "blockers",
"game_seq": 357,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 3,
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "4",
"toughness": "3"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "5",
"toughness": "6"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Steel-Plume Marshal",
"id": "p16",
"power": "4",
"toughness": "3"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T6 Combat/Declare Blockers (Gem31P Gramps)",
"recent_chat": [
"Gem31P Gramps: Look at all these rats! Exterminator must be on strike. Let's send in the birds."
],
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 26,
"choices": [
{
"name": "Chittering Rats",
"index": 0,
"choice_type": "blocker",
"id": "p36",
"power": "2",
"toughness": "2"
},
{
"name": "Typhoid Rats",
"index": 1,
"choice_type": "blocker",
"id": "p9",
"power": "1",
"toughness": "1"
}
],
"board": [
{
"hand_size": 2,
"graveyard": [
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36",
"power": "2",
"toughness": "2",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": true
}
],
"name": "GPT5 Optim",
"library_size": 30,
"life": 16,
"hand": [
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 2"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 1,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "4",
"toughness": "3",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "5",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"tapped": true,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"id": "p16",
"power": "4",
"toughness": "3",
"summoning_sick": false
},
{
"tapped": false,
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"id": "p56",
"power": "0",
"toughness": "3",
"summoning_sick": true
}
],
"name": "Gem31P Gramps",
"library_size": 26,
"life": 21
}
],
"incoming_attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "4",
"toughness": "3"
},
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "5",
"toughness": "6"
},
{
"name": "Steel-Plume Marshal",
"id": "p16",
"power": "4",
"toughness": "3"
}
]
}GPT5 OptimmcpChittering Rats blocks Kor Spiritdancer
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=p36:p34, text=, choice=)
{
"declared": [
{
"id": "p36",
"blocks": "p34"
}
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 357,
"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"
}major blunder
Blocked Kor Spiritdancer (5/6) with Chittering Rats (2/2) instead of Typhoid Rats (1/1 deathtouch).
Blocked Kor Spiritdancer (5/6) with Chittering Rats (2/2) instead of Typhoid Rats (1/1 deathtouch). Chittering Rats merely absorbs 5 damage and dies, while Typhoid Rats would have killed the Spiritdancer outright thanks to deathtouch. Kor Spiritdancer with Dub is the opponent's most threatening creature, and trading a 1/1 deathtouch for it would be an enormous swing. Instead, the Spiritdancer survives and continues to dominate.
Analysis
Action taken: Blocked Kor Spiritdancer with Chittering Rats (2/2), merely preventing 5 damage while losing a 2/2 body
Better line: Block Kor Spiritdancer with Typhoid Rats (deathtouch) to kill the 5/6 Spiritdancer, removing the opponent's best threat at minimal cost
gameAttacker: Kor Spiritdancer (5/6) blocked by Chittering Rats (2/2)
gameKor Spiritdancer deals 5 damage to Chittering Rats
gameChittering Rats died
— Combat Damage —
gameGPT5 Optim loses 4 life at combat from Healer's Hawk
gameGPT5 Optim loses 4 life at combat from Steel-Plume Marshal
gameGem31P Gramps gains 4 life
— Combat Damage —
— Postcombat Main —
Gem31P Grampsllm
pass_priority(until=postcombat_main, board_cursor=26)
{
"game_seq": 376,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "boolean",
"untapped_lands": 3,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 1,
"context": "T6 Postcombat Main/Postcombat Main (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"board_cursor": 27,
"board": [
{
"hand_size": 1,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "3",
"toughness": "3",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"tapped": true,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"id": "p16",
"power": "3",
"toughness": "3",
"summoning_sick": false
},
{
"tapped": false,
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"id": "p56",
"power": "0",
"toughness": "3",
"summoning_sick": true
}
],
"name": "Gem31P Gramps",
"library_size": 26,
"life": 25,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36"
},
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": true,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": true
}
],
"name": "GPT5 Optim",
"library_size": 30,
"life": 8
}
],
"current_step": "Postcombat Main"
}Gem31P GrampsmcpPass
raw
choose_action(choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 376,
"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"
}— GPT5 Optim's Turn 7 —
— Declare Attackers —
GPT5 Optimllm
pass_priority(until=my_turn, board_cursor=26)
{
"combat_phase": "attackers",
"game_seq": 380,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 4,
"message": "Select attackers",
"action_pending": true,
"context": "T7 Combat/Declare Attackers (GPT5 Optim)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 27,
"choices": [
{
"name": "Typhoid Rats",
"index": 0,
"choice_type": "attacker",
"id": "p9",
"power": "1",
"toughness": "1"
},
{
"name": "All attack",
"index": 1,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 3,
"graveyard": [
{
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36"
},
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": false
}
],
"name": "GPT5 Optim",
"library_size": 29,
"life": 8,
"hand": [
{
"mana_cost": "{3}{B}{B}",
"name": "Ogre Slumlord",
"rules": [
"Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token.",
"Rats you control have deathtouch."
],
"power": "3",
"id": "p17",
"toughness": "3"
},
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 3"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 1,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"tapped": true,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"id": "p16",
"power": "3",
"toughness": "3",
"summoning_sick": false
},
{
"tapped": false,
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"id": "p56",
"power": "0",
"toughness": "3",
"summoning_sick": true
}
],
"name": "Gem31P Gramps",
"library_size": 26,
"life": 25
}
]
}GPT5 OptimmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"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": "passed_priority",
"next_action_message": "Play instants and activated abilities"
}minor blunder
Typhoid Rats can't productively block any of the opponent's key threats (Steel-Plume Marshal and Healer's Hawk have flyi…
Typhoid Rats can't productively block any of the opponent's key threats (Steel-Plume Marshal and Healer's Hawk have flying, Kor Spiritdancer has first strike from Dub so it kills the Rats before they deal damage). Attacking with Typhoid Rats either deals 1 chip damage or trades with the sick Warded Battlements, removing the +1/+0 attack buff and adding a creature to the graveyard to power up Ossuary Rats' ETB.
Analysis
Action taken: Declined to attack with Typhoid Rats.
Better line: Attack with Typhoid Rats. If unblocked, deal 1 damage. If Warded Battlements blocks, trade favorably — removing the attack buff and growing Ossuary Rats' future ETB damage.
— Postcombat Main —
— Gem31P Gramps's Turn 7 —
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=27)
{
"game_seq": 388,
"action_type": "GAME_SELECT",
"stop_reason": "playable_cards",
"response_type": "select",
"untapped_lands": 6,
"message": "Play spells and abilities",
"action_pending": true,
"land_drops_used": 0,
"has_playable_cards": true,
"context": "T7 Precombat Main/Precombat Main (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=pN to play, or choice=no to pass",
"board_cursor": 28,
"choices": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"index": 0,
"action": "cast",
"id": "p10",
"power": "3",
"toughness": "2"
},
{
"mana_cost": "{4}{W}",
"name": "Knightly Valor",
"index": 1,
"action": "cast",
"id": "p59"
}
],
"board": [
{
"hand_size": 2,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"tapped": false,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn."
],
"id": "p16",
"power": "3",
"toughness": "3",
"summoning_sick": false
},
{
"tapped": false,
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"id": "p56",
"power": "0",
"toughness": "3",
"summoning_sick": false
}
],
"name": "Gem31P Gramps",
"library_size": 25,
"life": 25,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2",
"playable": true
},
{
"mana_cost": "{4}{W}",
"name": "Knightly Valor",
"rules": [
"Enchant creature",
"When {this} enters, create a 2/2 white Knight creature token with vigilance.",
"Enchanted creature gets +2/+2 and has vigilance."
],
"id": "p59",
"playable": true
}
]
},
{
"hand_size": 3,
"graveyard": [
{
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36"
},
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": false
}
],
"name": "GPT5 Optim",
"library_size": 29,
"life": 8
}
]
}Gem31P GrampsmcpCast Knightly Valor {4}{W}
raw
choose_action(choice=p59)
{
"next_action_pending": true,
"next_action_type": "GAME_TARGET",
"game_seq": 388,
"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"
}moderate blunder
Gem31P Gramps has lethal on board with Steel-Plume Marshal (3/3 flying) and Healer's Hawk (1/1 flying, lifelink).
Gem31P Gramps has lethal on board with Steel-Plume Marshal (3/3 flying) and Healer's Hawk (1/1 flying, lifelink). Attacking with both, Warded Battlements gives +1/+0 to each, and Steel-Plume Marshal gives Healer's Hawk +2/+2, making them 4/3 and 4/3 flying = 8 damage against opponent's 8 life. Typhoid Rats can't block flyers. Casting Knightly Valor pre-combat is unnecessary and risks giving the opponent information or time to respond.
Analysis
Action taken: Cast Knightly Valor in precombat main phase instead of going straight to combat.
Better line: Skip casting, go directly to combat, and attack with Steel-Plume Marshal and Healer's Hawk for exactly 8 lethal flying damage.
Gem31P GrampsmcpSteel-Plume Marshal
raw
choose_action(choice=p16)
{
"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_target_2",
"next_action_message": "Play instants and activated abilities"
}gameGem31P Gramps casts Knightly Valor targeting Steel-Plume Marshal from hand
gameGem31P Gramps - Ability triggers: Kor Spiritdancer - Whenever you cast an Aura spell, you may draw a card.
Gem31P GrampsmcpPass
raw
choose_action(choice=no)
{
"game_seq": 399,
"success": true,
"action_taken": "passed_priority"
}GPT5 Optimllm
pass_priority(until=precombat_main, board_cursor=27)
{
"game_seq": 400,
"action_type": "GAME_SELECT",
"stop_reason": "step_not_reached",
"action_pending": true,
"current_step": "Precombat Main"
}Gem31P Grampsllm
pass_priority(until=declare_attackers, board_cursor=30)
{
"stack": [
{
"name": "Ability"
},
{
"name": "Knightly Valor",
"targets": [
{
"name": "Steel-Plume Marshal (3/3) (yours)",
"id": "p16"
}
]
}
],
"game_seq": 401,
"action_type": "GAME_ASK",
"stop_reason": "non_priority_action",
"response_type": "boolean",
"untapped_lands": 1,
"message": "Whenever you cast an Aura spell, you may draw a card.",
"action_pending": true,
"land_drops_used": 0,
"board_unchanged": true,
"context": "T7 Precombat Main/Precombat Main (Gem31P Gramps) YOUR_MAIN",
"respond_with": "choice=yes or choice=no",
"board_cursor": 30
}Gem31P Grampsmcptrue
raw
choose_action(choice=yes)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"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": "yes",
"next_action_message": "Play instants and activated abilities"
}Gem31P Grampsllm
pass_priority(until=declare_attackers, board_cursor=30)
{
"combat_phase": "attackers",
"game_seq": 411,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 1,
"message": "Select attackers",
"action_pending": true,
"context": "T7 Combat/Declare Attackers (Gem31P Gramps)",
"respond_with": "attackers=p1,p2,... or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 31,
"choices": [
{
"name": "Healer's Hawk",
"index": 0,
"choice_type": "attacker",
"id": "p11",
"power": "1",
"toughness": "1"
},
{
"name": "Kor Spiritdancer",
"index": 1,
"choice_type": "attacker",
"id": "p34",
"power": "4",
"toughness": "6"
},
{
"name": "Steel-Plume Marshal",
"index": 2,
"choice_type": "attacker",
"id": "p16",
"power": "5",
"toughness": "5"
},
{
"name": "All attack",
"index": 3,
"choice_type": "special",
"id": "all"
}
],
"board": [
{
"hand_size": 2,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": false,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "1",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Knight Token",
"rules": [
"Vigilance"
],
"id": "p64",
"power": "2",
"toughness": "2",
"summoning_sick": true,
"token": true
},
{
"tapped": false,
"name": "Knightly Valor",
"rules": [
"Enchant creature",
"When {this} enters, create a 2/2 white Knight creature token with vigilance.",
"Enchanted creature gets +2/+2 and has vigilance."
],
"id": "p59"
},
{
"tapped": false,
"name": "Kor Spiritdancer",
"modified": true,
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "4",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"tapped": false,
"name": "Steel-Plume Marshal",
"modified": true,
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn.",
"Vigilance"
],
"id": "p16",
"power": "5",
"toughness": "5",
"summoning_sick": false
},
{
"tapped": false,
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"id": "p56",
"power": "0",
"toughness": "3",
"summoning_sick": false
}
],
"name": "Gem31P Gramps",
"library_size": 24,
"life": 25,
"hand": [
{
"mana_cost": "{3}{W}",
"name": "Gale Swooper",
"rules": [
"Flying",
"When {this} enters, target creature gains flying until end of turn."
],
"power": "3",
"id": "p10",
"toughness": "2"
},
{
"name": "Plains",
"is_land": true,
"rules": [
"{T}: Add {W}."
],
"id": "p62"
}
]
},
{
"hand_size": 3,
"graveyard": [
{
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36"
},
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": false
}
],
"name": "GPT5 Optim",
"library_size": 29,
"life": 8
}
]
}gameGem31P Gramps puts Knightly Valor from stack onto the Battlefield
gameGem31P Gramps - Ability triggers: Knightly Valor - When Knightly Valor enters, create a 2/2 white Knight creature token with vigilance.
gameGem31P Gramps creates a Knight Token token
— Declare Attackers —
Gem31P GrampsmcpAttack with all (Healer's Hawk 1/1, Kor Spiritdancer 4/6, Steel-Plume Marshal 5/5)
raw
choose_action(attackers=all)
{
"declared": [
"all"
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 411,
"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"
}gameGem31P Gramps attacks GPT5 Optim with 3 creatures
gameGem31P Gramps - Ability triggers: Steel-Plume Marshal - Whenever Steel-Plume Marshal attacks, other attacking creatures you control with flying get +2/+2 until end of turn.
GPT5 Optimllm
pass_priority(until=declare_attackers, board_cursor=27)
{
"stack": [
{
"name": "Ability"
}
],
"game_seq": 417,
"action_type": "GAME_SELECT",
"stop_reason": "reached_step",
"response_type": "boolean",
"untapped_lands": 4,
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "2",
"toughness": "1"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "5",
"toughness": "6"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Steel-Plume Marshal",
"id": "p16",
"power": "6",
"toughness": "5"
}
]
}
],
"message": "Play instants and activated abilities",
"action_pending": true,
"context": "T7 Combat/Declare Attackers (Gem31P Gramps)",
"respond_with": "choice=yes (confirm) or choice=no (pass)",
"board_cursor": 28,
"board": [
{
"hand_size": 3,
"graveyard": [
{
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36"
},
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": false
}
],
"name": "GPT5 Optim",
"library_size": 29,
"life": 8,
"hand": [
{
"mana_cost": "{3}{B}{B}",
"name": "Ogre Slumlord",
"rules": [
"Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token.",
"Rats you control have deathtouch."
],
"power": "3",
"id": "p17",
"toughness": "3"
},
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 3"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "2",
"toughness": "1",
"summoning_sick": false
},
{
"tapped": false,
"name": "Knight Token",
"rules": [
"Vigilance"
],
"id": "p64",
"power": "2",
"toughness": "2",
"summoning_sick": true,
"token": true
},
{
"tapped": false,
"name": "Knightly Valor",
"rules": [
"Enchant creature",
"When {this} enters, create a 2/2 white Knight creature token with vigilance.",
"Enchanted creature gets +2/+2 and has vigilance."
],
"id": "p59"
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "5",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"tapped": false,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn.",
"Vigilance"
],
"id": "p16",
"power": "6",
"toughness": "5",
"summoning_sick": false
},
{
"tapped": false,
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"id": "p56",
"power": "0",
"toughness": "3",
"summoning_sick": false
}
],
"name": "Gem31P Gramps",
"library_size": 24,
"life": 25
}
],
"current_step": "Declare Attackers"
}GPT5 OptimmcpPass
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=, text=, choice=no)
{
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 417,
"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"
}GPT5 Optimllm
pass_priority(until=declare_blockers, board_cursor=28)
{
"combat_phase": "blockers",
"game_seq": 420,
"action_type": "GAME_SELECT",
"stop_reason": "combat",
"response_type": "select",
"untapped_lands": 4,
"combat": [
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "4",
"toughness": "3"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "5",
"toughness": "6"
}
]
},
{
"blocked": false,
"defending": "GPT5 Optim",
"attackers": [
{
"name": "Steel-Plume Marshal",
"id": "p16",
"power": "6",
"toughness": "5"
}
]
}
],
"message": "Select blockers",
"action_pending": true,
"context": "T7 Combat/Declare Blockers (Gem31P Gramps)",
"respond_with": "blockers=p5:p1,p6:p2 (blocker:attacker) or choice=yes (confirm) or choice=no (skip)",
"board_cursor": 29,
"choices": [
{
"name": "Typhoid Rats",
"index": 0,
"choice_type": "blocker",
"id": "p9",
"power": "1",
"toughness": "1"
}
],
"board": [
{
"hand_size": 3,
"graveyard": [
{
"name": "Chittering Rats",
"rules": [
"When {this} enters, target opponent puts a card from their hand on top of their library."
],
"id": "p36"
},
{
"name": "Nezumi Bone-Reader",
"rules": [
"{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery."
],
"id": "p23"
},
{
"name": "Sinuous Vermin",
"rules": [
"{3}{B}{B}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)",
"As long as {this} is monstrous, it has menace. (It can't be blocked except by two or more creatures.)",
": ",
"ICON_BAD{this} isn't monstrous"
],
"id": "p25"
}
],
"is_active": false,
"is_you": true,
"battlefield": [
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p18"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p26"
},
{
"tapped": false,
"name": "Swamp",
"rules": [
"{T}: Add {B}."
],
"id": "p27"
},
{
"tapped": false,
"name": "Thriving Heath",
"modified": true,
"rules": [
"{this} enters tapped.",
"As {this} enters, choose a color other than white.",
"{T}: Add {W}.",
"{T}: Add one mana of the chosen color.",
"Chosen color: Black"
],
"id": "p21"
},
{
"tapped": false,
"name": "Typhoid Rats",
"rules": [
"Deathtouch"
],
"id": "p9",
"power": "1",
"toughness": "1",
"summoning_sick": false
}
],
"name": "GPT5 Optim",
"library_size": 29,
"life": 8,
"hand": [
{
"mana_cost": "{3}{B}{B}",
"name": "Ogre Slumlord",
"rules": [
"Whenever another nontoken creature dies, you may create a 1/1 black Rat creature token.",
"Rats you control have deathtouch."
],
"power": "3",
"id": "p17",
"toughness": "3"
},
{
"mana_cost": "{5}{B}",
"name": "Ossuary Rats",
"rules": [
"When {this} enters, it deals 1 damage to target creature or planeswalker an opponent controls for each creature cards in your graveyard.",
": ",
"Creatures in your graveyard: 3"
],
"power": "3",
"id": "p52",
"toughness": "2"
},
{
"mana_cost": "{3}{W}{W}",
"name": "Rambunctious Mutt",
"rules": [
"When {this} enters, destroy target artifact or enchantment an opponent controls."
],
"power": "3",
"id": "p40",
"toughness": "4"
}
]
},
{
"hand_size": 2,
"graveyard": [
{
"name": "Anointed Chorister",
"rules": [
"Lifelink",
"{4}{W}: {this} gets +3/+3 until end of turn."
],
"id": "p42"
},
{
"name": "Sky Tether",
"rules": [
"Enchant creature",
"Enchanted creature has defender and loses flying."
],
"id": "p38"
}
],
"is_active": true,
"is_you": false,
"battlefield": [
{
"tapped": false,
"name": "Dub",
"rules": [
"Enchant creature",
"Enchanted creature gets +2/+2, has first strike, and is a Knight in addition to its other types."
],
"id": "p45"
},
{
"tapped": true,
"name": "Healer's Hawk",
"rules": [
"Flying",
"Lifelink"
],
"id": "p11",
"power": "4",
"toughness": "3",
"summoning_sick": false
},
{
"tapped": false,
"name": "Knight Token",
"rules": [
"Vigilance"
],
"id": "p64",
"power": "2",
"toughness": "2",
"summoning_sick": true,
"token": true
},
{
"tapped": false,
"name": "Knightly Valor",
"rules": [
"Enchant creature",
"When {this} enters, create a 2/2 white Knight creature token with vigilance.",
"Enchanted creature gets +2/+2 and has vigilance."
],
"id": "p59"
},
{
"tapped": true,
"name": "Kor Spiritdancer",
"rules": [
"{this} gets +2/+2 for each Aura attached to it.",
"Whenever you cast an Aura spell, you may draw a card.",
"First strike"
],
"id": "p34",
"power": "5",
"toughness": "6",
"summoning_sick": false
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p12"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p13"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p14"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p15"
},
{
"tapped": true,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p51"
},
{
"tapped": false,
"name": "Plains",
"rules": [
"{T}: Add {W}."
],
"id": "p53"
},
{
"tapped": false,
"name": "Steel-Plume Marshal",
"rules": [
"Flying",
"Whenever {this} attacks, other attacking creatures you control with flying get +2/+2 until end of turn.",
"Vigilance"
],
"id": "p16",
"power": "6",
"toughness": "5",
"summoning_sick": false
},
{
"tapped": false,
"name": "Warded Battlements",
"rules": [
"Defender",
"Attacking creatures you control get +1/+0."
],
"id": "p56",
"power": "0",
"toughness": "3",
"summoning_sick": false
}
],
"name": "Gem31P Gramps",
"library_size": 24,
"life": 25
}
],
"incoming_attackers": [
{
"name": "Healer's Hawk",
"id": "p11",
"power": "4",
"toughness": "3"
},
{
"name": "Kor Spiritdancer",
"id": "p34",
"power": "5",
"toughness": "6"
},
{
"name": "Steel-Plume Marshal",
"id": "p16",
"power": "6",
"toughness": "5"
}
]
}— Declare Blockers —
GPT5 OptimmcpTyphoid Rats blocks Kor Spiritdancer
raw
choose_action(amount=0, amounts=[], auto_tap=true, pile=1, mana_plan=, attackers=, blockers=p9:p34, text=, choice=)
{
"declared": [
{
"id": "p9",
"blocks": "p34"
}
],
"next_action_pending": true,
"next_action_type": "GAME_SELECT",
"game_seq": 420,
"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"
}GPT5 Optimllm
pass_priority(until=my_turn, board_cursor=29)
{
"game_seq": 436,
"stop_reason": "game_over",
"action_pending": false,
"player_dead": true
}gameAttacker: Kor Spiritdancer (5/6) blocked by Typhoid Rats (1/1)
gameKor Spiritdancer deals 5 damage to Typhoid Rats
gameTyphoid Rats died
— Combat Damage —
gameGPT5 Optim loses 4 life at combat from Healer's Hawk
gameGPT5 Optim loses 6 life at combat from Steel-Plume Marshal
gameGem31P Gramps gains 4 life
gameGPT5 Optim has lost the game.
— Combat Damage —
Gem31P Grampsllm
pass_priority(until=my_turn, board_cursor=31)
{
"game_seq": 439,
"stop_reason": "game_over",
"game_over": true,
"action_pending": false
}Gem31P Gramps wins the game!