{
  "actions_passed": 2,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T1 Postcombat Main/Postcombat Main (Opus Detect) YOUR_MAIN",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play spells and abilities",
  "choices": [
    {
      "name": "Flooded Strand",
      "index": 0,
      "action": "land",
      "id": "p5"
    },
    {
      "name": "Prismatic Vista",
      "index": 1,
      "action": "land",
      "id": "p8"
    },
    {
      "name": "Scalding Tarn",
      "index": 2,
      "action": "land",
      "id": "p9"
    }
  ],
  "board": [
    {
      "hand_size": 7,
      "is_active": true,
      "is_you": true,
      "name": "Opus Detect",
      "library_size": 49,
      "life": 20,
      "hand": [
        {
          "mana_cost": "{2}{U}",
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        },
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{U}",
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8",
          "playable": true
        },
        {
          "name": "Scalding Tarn",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 6,
      "is_active": false,
      "is_you": false,
      "name": "DSV3 Contra",
      "library_size": 50,
      "life": 20
    }
  ],
  "action_pending": true
}

{
  "stack": [
    {
      "name": "Ponder"
    }
  ],
  "action_type": "GAME_TARGET",
  "stop_reason": "non_priority_action",
  "response_type": "index",
  "can_cancel": false,
  "message": "Select a card ORDER to put on the TOP of your library (last one chosen will be topmost)",
  "required": true,
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "context": "T1 Postcombat Main/Postcombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N",
  "choices": [
    {
      "name": "Brainstorm",
      "target_type": "card",
      "index": 0,
      "id": "p18"
    },
    {
      "name": "Island",
      "target_type": "card",
      "index": 1,
      "id": "p14"
    },
    {
      "name": "Mountain",
      "target_type": "card",
      "index": 2,
      "id": "p15"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        }
      ],
      "name": "Opus Detect",
      "library_size": 48,
      "life": 19,
      "hand": [
        {
          "mana_cost": "{2}{U}",
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        },
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6",
          "playable": true
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 6,
      "is_active": false,
      "is_you": false,
      "name": "DSV3 Contra",
      "library_size": 50,
      "life": 20
    }
  ]
}

{
  "actions_passed": 3,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T1 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play spells and abilities",
  "choices": [
    {
      "name": "Ancient Tomb",
      "index": 0,
      "action": "land",
      "id": "p8"
    },
    {
      "name": "Great Furnace",
      "index": 1,
      "action": "land",
      "id": "p9"
    },
    {
      "name": "Mountain",
      "index": 2,
      "action": "land",
      "id": "p13"
    },
    {
      "name": "Wooded Foothills",
      "index": 3,
      "action": "land",
      "id": "p14"
    }
  ],
  "board": [
    {
      "hand_size": 7,
      "is_active": true,
      "is_you": true,
      "name": "DSV3 Contra",
      "library_size": 49,
      "life": 20,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8",
          "playable": true
        },
        {
          "mana_cost": "{1}{R}",
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "power": "1",
          "id": "p2",
          "toughness": "2"
        },
        {
          "name": "Great Furnace",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Mountain",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13",
          "playable": true
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 47,
      "life": 19
    }
  ],
  "action_pending": true
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 1,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 5,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T2 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{U}",
      "name": "Brainstorm",
      "index": 0,
      "action": "cast",
      "id": "p18"
    },
    {
      "name": "Flooded Strand",
      "index": 1,
      "action": "land",
      "id": "p5"
    },
    {
      "name": "Island",
      "index": 2,
      "action": "land",
      "id": "p14"
    },
    {
      "name": "Prismatic Vista",
      "index": 3,
      "action": "land",
      "id": "p8"
    }
  ],
  "board": [
    {
      "hand_size": 7,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        }
      ],
      "name": "Opus Detect",
      "library_size": 46,
      "life": 19,
      "hand": [
        {
          "mana_cost": "{2}{U}",
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "mana_cost": "{U}",
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        },
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Island",
          "is_land": true,
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14",
          "playable": true
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 6,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 49,
      "life": 20
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "has_playable_cards": true,
  "context": "T2 Postcombat Main/Postcombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{U}",
      "name": "Brainstorm",
      "index": 0,
      "action": "cast",
      "id": "p18"
    },
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 1,
      "action": "cast",
      "id": "p4"
    }
  ],
  "board": [
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        }
      ],
      "name": "Opus Detect",
      "library_size": 46,
      "life": 19,
      "hand": [
        {
          "mana_cost": "{2}{U}",
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "mana_cost": "{U}",
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 6,
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 49,
      "life": 20
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 1,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 4,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T2 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "recent_chat": [
    "Opus Detect: Ancient Tomb turn 1, interesting... Fast mana, huh? I'm already building a profile. Let's see what comes next. 🕵️"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Ancient Tomb",
      "index": 0,
      "action": "land",
      "id": "p18"
    },
    {
      "name": "Great Furnace",
      "index": 1,
      "action": "land",
      "id": "p9"
    },
    {
      "name": "Mountain",
      "index": 2,
      "action": "land",
      "id": "p13"
    },
    {
      "name": "Wooded Foothills",
      "index": 3,
      "action": "land",
      "id": "p14"
    }
  ],
  "board": [
    {
      "hand_size": 7,
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 48,
      "life": 20,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{1}{R}",
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "power": "1",
          "id": "p2",
          "toughness": "2"
        },
        {
          "name": "Great Furnace",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Mountain",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13",
          "playable": true
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        }
      ],
      "name": "Opus Detect",
      "library_size": 46,
      "life": 19
    }
  ]
}

{
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T2 Precombat Main/Precombat Main (DSV3 Contra)",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{U}",
      "name": "Brainstorm",
      "index": 0,
      "action": "cast",
      "id": "p18"
    },
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 1,
      "action": "cast",
      "id": "p4"
    }
  ],
  "board": [
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        }
      ],
      "name": "Opus Detect",
      "library_size": 46,
      "life": 19,
      "hand": [
        {
          "mana_cost": "{2}{U}",
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "mana_cost": "{U}",
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 5,
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 18
    }
  ]
}

{
  "actions_passed": 0,
  "land_drops_used": 1,
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_ASK",
  "context": "T2 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "stop_reason": "non_priority_action",
  "response_type": "boolean",
  "respond_with": "answer=true or answer=false",
  "message": "When Goblin Engineer enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
  "board": [
    {
      "hand_size": 5,
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 48,
      "mana_pool": {
        "C": 1
      },
      "life": 18,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "name": "Great Furnace",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ]
    },
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        }
      ],
      "name": "Opus Detect",
      "library_size": 46,
      "life": 19
    }
  ],
  "action_pending": true
}

{
  "actions_passed": 1,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T2 Combat/Declare Attackers (DSV3 Contra)",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play instants and activated abilities",
  "choices": [
    {
      "mana_cost": "{U}",
      "name": "Brainstorm",
      "index": 0,
      "action": "cast",
      "id": "p18"
    },
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 1,
      "action": "cast",
      "id": "p4"
    }
  ],
  "board": [
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        }
      ],
      "name": "Opus Detect",
      "library_size": 46,
      "life": 19,
      "hand": [
        {
          "mana_cost": "{2}{U}",
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "mana_cost": "{U}",
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 47,
      "life": 18
    }
  ],
  "action_pending": true
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T3 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{U}",
      "name": "Brainstorm",
      "index": 0,
      "action": "cast",
      "id": "p18"
    },
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 1,
      "action": "cast",
      "id": "p4"
    },
    {
      "name": "Flooded Strand",
      "index": 2,
      "action": "land",
      "id": "p5"
    },
    {
      "name": "Mountain",
      "index": 3,
      "action": "land",
      "id": "p15"
    },
    {
      "name": "Prismatic Vista",
      "index": 4,
      "action": "land",
      "id": "p8"
    }
  ],
  "board": [
    {
      "hand_size": 7,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        }
      ],
      "name": "Opus Detect",
      "library_size": 45,
      "life": 19,
      "hand": [
        {
          "mana_cost": "{2}{U}",
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "mana_cost": "{U}",
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Mountain",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15",
          "playable": true
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 47,
      "life": 18
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 1,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 6,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T3 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "recent_chat": [
    "Opus Detect: Goblin Engineer putting Grindstone in the yard... I see. Painter's Servant is next, isn't it? Classic combo. I'm watching for it. 🎨🔍"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Ancient Tomb",
      "index": 0,
      "action": "land",
      "id": "p18"
    },
    {
      "name": "Great Furnace",
      "index": 1,
      "action": "land",
      "id": "p9"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 2,
      "action": "cast",
      "id": "p10"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 3,
      "action": "cast",
      "id": "p12"
    },
    {
      "name": "Mountain",
      "index": 4,
      "action": "land",
      "id": "p36"
    },
    {
      "name": "Wooded Foothills",
      "index": 5,
      "action": "land",
      "id": "p14"
    }
  ],
  "board": [
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 46,
      "life": 18,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "name": "Great Furnace",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "name": "Mountain",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36",
          "playable": true
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        }
      ],
      "name": "Opus Detect",
      "library_size": 45,
      "life": 19
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 8,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T4 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{U}",
      "name": "Brainstorm",
      "index": 0,
      "action": "cast",
      "id": "p18"
    },
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 1,
      "action": "cast",
      "id": "p4"
    },
    {
      "name": "Flooded Strand",
      "index": 2,
      "action": "land",
      "id": "p5"
    },
    {
      "name": "Prismatic Vista",
      "index": 3,
      "action": "land",
      "id": "p8"
    }
  ],
  "board": [
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 44,
      "life": 19,
      "hand": [
        {
          "mana_cost": "{U}",
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 46,
      "life": 18
    }
  ]
}

{
  "stack": [
    {
      "name": "Brainstorm"
    }
  ],
  "action_type": "GAME_TARGET",
  "stop_reason": "non_priority_action",
  "response_type": "index",
  "can_cancel": false,
  "untapped_lands": 3,
  "message": "Select a card",
  "required": true,
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "context": "T4 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N",
  "choices": [
    {
      "name": "Dress Down",
      "target_type": "card",
      "index": 0,
      "id": "p4"
    },
    {
      "name": "Force of Will",
      "target_type": "card",
      "index": 1,
      "id": "p6"
    },
    {
      "name": "Force of Will",
      "target_type": "card",
      "index": 2,
      "id": "p24"
    },
    {
      "name": "Plains",
      "target_type": "card",
      "index": 3,
      "id": "p26"
    },
    {
      "name": "Ponder",
      "target_type": "card",
      "index": 4,
      "id": "p27"
    },
    {
      "name": "Prismatic Vista",
      "target_type": "card",
      "index": 5,
      "id": "p8"
    },
    {
      "name": "Prismatic Vista",
      "target_type": "card",
      "index": 6,
      "id": "p28"
    }
  ],
  "board": [
    {
      "hand_size": 7,
      "graveyard": [
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 41,
      "life": 19,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24",
          "playable": true
        },
        {
          "name": "Plains",
          "is_land": true,
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p26"
        },
        {
          "mana_cost": "{U}",
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p28"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 46,
      "life": 18
    }
  ]
}

{
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_TARGET",
  "stop_reason": "non_priority_action",
  "response_type": "index",
  "can_cancel": true,
  "untapped_lands": 2,
  "message": "Select a Plains or Island card",
  "required": false,
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "context": "T4 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N, or answer=false to cancel",
  "choices": [
    {
      "name": "Island",
      "target_type": "card",
      "index": 0,
      "id": "p11"
    },
    {
      "name": "Island",
      "target_type": "card",
      "index": 1,
      "id": "p12"
    },
    {
      "name": "Island",
      "target_type": "card",
      "index": 2,
      "id": "p13"
    },
    {
      "name": "Plains",
      "target_type": "card",
      "index": 3,
      "id": "p26"
    },
    {
      "name": "Plains",
      "target_type": "card",
      "index": 4,
      "id": "p30"
    },
    {
      "name": "Tundra",
      "target_type": "card",
      "index": 5,
      "id": "p16"
    },
    {
      "name": "Volcanic Island",
      "target_type": "card",
      "index": 6,
      "id": "p17"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 43,
      "life": 18,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{U}",
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 46,
      "life": 18
    }
  ]
}

{
  "stack": [
    {
      "name": "Ponder"
    }
  ],
  "action_type": "GAME_TARGET",
  "stop_reason": "non_priority_action",
  "response_type": "index",
  "can_cancel": false,
  "untapped_lands": 2,
  "message": "Select a card ORDER to put on the TOP of your library (last one chosen will be topmost)",
  "required": true,
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "context": "T4 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N",
  "choices": [
    {
      "name": "Flame of Anor",
      "target_type": "card",
      "index": 0,
      "id": "p31"
    },
    {
      "name": "Thundertrap Trainer",
      "target_type": "card",
      "index": 1,
      "id": "p32"
    },
    {
      "name": "Thundertrap Trainer",
      "target_type": "card",
      "index": 2,
      "id": "p33"
    }
  ],
  "board": [
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 42,
      "life": 18,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24",
          "playable": true
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 46,
      "life": 18
    }
  ]
}

{
  "next_action_pending": true,
  "next_action_type": "GAME_ASK",
  "next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
  "success": true,
  "action_taken": "selected_target_1"
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "has_playable_cards": true,
  "context": "T4 Postcombat Main/Postcombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 41,
      "life": 18,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_BADYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 46,
      "life": 18
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 1,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 9,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T4 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "recent_chat": [
    "Opus Detect: Hmm, Ancient Tomb locked down, Mountain as your only mana source... You need {2} for Painter's Servant but you've only got {R} to work with. I wonder what's in that 5-card hand. Sol Ring? Chrome Mox? Simian Spirit Guide? Something to cheat out mana? 🕵️"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Ancient Tomb",
      "index": 0,
      "action": "land",
      "id": "p18"
    },
    {
      "name": "Goblin Engineer",
      "index": 1,
      "action": "activate",
      "playable_abilities": [
        "{R}, {T}, Sacrifice an artifact: Return target ar..."
      ],
      "id": "p2"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 2,
      "action": "cast",
      "id": "p10"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 3,
      "action": "cast",
      "id": "p12"
    },
    {
      "name": "Mountain",
      "index": 4,
      "action": "land",
      "id": "p36"
    },
    {
      "name": "Wooded Foothills",
      "index": 5,
      "action": "land",
      "id": "p14"
    }
  ],
  "board": [
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "name": "Mountain",
          "is_land": true,
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        }
      ],
      "name": "Opus Detect",
      "library_size": 41,
      "life": 18
    }
  ]
}

{
  "combat_phase": "attackers",
  "actions_passed": 0,
  "action_type": "GAME_SELECT",
  "context": "T4 Combat/Declare Attackers (DSV3 Contra)",
  "stop_reason": "combat",
  "response_type": "select",
  "untapped_lands": 2,
  "respond_with": "attackers=[\"p1\",...] or answer=true (confirm) or answer=false (skip)",
  "message": "Select attackers",
  "choices": [
    {
      "name": "Goblin Engineer",
      "index": 0,
      "choice_type": "attacker",
      "id": "p2",
      "power": "1",
      "toughness": "2"
    },
    {
      "name": "All attack",
      "index": 1,
      "choice_type": "special",
      "id": "all"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2"
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        }
      ],
      "name": "Opus Detect",
      "library_size": 41,
      "life": 18
    }
  ],
  "action_pending": true
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "combat": [
    {
      "blocked": false,
      "defending": "Opus Detect",
      "attackers": [
        {
          "name": "Goblin Engineer",
          "id": "p21",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T4 Combat/Declare Attackers (DSV3 Contra)",
  "recent_chat": [
    "DSV3 Contra: Conventional wisdom says you need both pieces to combo. But what if one piece is already on board and the other is just a Simian Spirit Guide away? Sometimes the obvious play isn't the right one..."
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 41,
      "life": 18,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_BADYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18
    }
  ]
}

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

{
  "next_action_pending": true,
  "next_action_type": "GAME_SELECT",
  "next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
  "success": true,
  "action_taken": "passed_priority"
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "combat": [
    {
      "blocked": false,
      "defending": "Opus Detect",
      "attackers": [
        {
          "name": "Goblin Engineer",
          "id": "p21",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T4 Combat/Combat Damage (DSV3 Contra)",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 41,
      "life": 17,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_BADYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 4,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T5 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    },
    {
      "mana_cost": "{1}{U}{R}",
      "name": "Flame of Anor",
      "index": 1,
      "action": "cast",
      "id": "p31"
    },
    {
      "name": "Prismatic Vista",
      "index": 2,
      "action": "land",
      "id": "p8"
    },
    {
      "mana_cost": "{1}{U}",
      "name": "Thundertrap Trainer",
      "index": 3,
      "action": "cast",
      "id": "p32",
      "power": "1",
      "toughness": "2"
    }
  ],
  "board": [
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 40,
      "life": 17,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_BADYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "name": "Prismatic Vista",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "power": "1",
          "id": "p32",
          "toughness": "2",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18
    }
  ]
}

{
  "next_action_pending": true,
  "next_action_type": "GAME_SELECT",
  "next_action_hint": "Call get_action_choices or choose_action to see details, or pass_priority to continue.",
  "success": true,
  "action_taken": "selected_ability_0"
}

{
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T5 Precombat Main/Precombat Main (Opus Detect)",
  "recent_chat": [
    "Opus Detect: Interesting... you're mentioning Simian Spirit Guide. And you played a second Mountain. That gives you exactly {2} for Painter's Servant. But you chose to attack with Engineer instead of holding it up for the tap ability. Which tells me you don't have Painter's Servant in hand right now — you're hoping to draw into it. The attack is chip damage while you wait. 🔍"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Grindstone",
      "index": 0,
      "action": "activate",
      "playable_abilities": [
        "{3}, {T}: Target player mills two cards. If two c..."
      ],
      "id": "p4"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 1,
      "action": "cast",
      "id": "p10"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 2,
      "action": "cast",
      "id": "p12"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        }
      ],
      "name": "Opus Detect",
      "library_size": 40,
      "life": 16
    }
  ]
}

{
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_TARGET",
  "stop_reason": "non_priority_action",
  "response_type": "index",
  "can_cancel": true,
  "untapped_lands": 4,
  "message": "Select a basic land card",
  "required": false,
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "context": "T5 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N, or answer=false to cancel",
  "choices": [
    {
      "name": "Island",
      "target_type": "card",
      "index": 0,
      "id": "p12"
    },
    {
      "name": "Island",
      "target_type": "card",
      "index": 1,
      "id": "p13"
    },
    {
      "name": "Plains",
      "target_type": "card",
      "index": 2,
      "id": "p26"
    },
    {
      "name": "Plains",
      "target_type": "card",
      "index": 3,
      "id": "p30"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        }
      ],
      "name": "Opus Detect",
      "library_size": 40,
      "life": 16,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_BADYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "power": "1",
          "id": "p32",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18
    }
  ]
}

{
  "action_pending": false
}

{
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "has_playable_cards": true,
  "context": "T5 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    },
    {
      "mana_cost": "{1}{U}{R}",
      "name": "Flame of Anor",
      "index": 1,
      "action": "cast",
      "id": "p31"
    }
  ],
  "board": [
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 39,
      "life": 16,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18
    }
  ]
}

{
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T5 Precombat Main/Precombat Main (Opus Detect)",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Grindstone",
      "index": 0,
      "action": "activate",
      "playable_abilities": [
        "{3}, {T}: Target player mills two cards. If two c..."
      ],
      "id": "p4"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 1,
      "action": "cast",
      "id": "p10"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 2,
      "action": "cast",
      "id": "p12"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ]
    },
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 39,
      "life": 16
    }
  ]
}

{
  "actions_passed": 0,
  "land_drops_used": 1,
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_ASK",
  "context": "T5 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "stop_reason": "non_priority_action",
  "response_type": "boolean",
  "untapped_lands": 3,
  "respond_with": "answer=true or answer=false",
  "message": "Reveal a noncreature, nonland card and put it into your hand?",
  "board": [
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 39,
      "life": 16,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18
    }
  ],
  "action_pending": true
}

{
  "actions_passed": 1,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T5 Combat/Declare Attackers (Opus Detect)",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play instants and activated abilities",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    },
    {
      "mana_cost": "{1}{U}{R}",
      "name": "Flame of Anor",
      "index": 1,
      "action": "cast",
      "id": "p31"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 16,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{X}{R}{W}",
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18
    }
  ],
  "action_pending": true
}

{
  "actions_passed": 1,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T5 Combat/Declare Attackers (Opus Detect)",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play instants and activated abilities",
  "choices": [
    {
      "name": "Grindstone",
      "index": 0,
      "action": "activate",
      "playable_abilities": [
        "{3}, {T}: Target player mills two cards. If two c..."
      ],
      "id": "p4"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 1,
      "action": "cast",
      "id": "p10"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 2,
      "action": "cast",
      "id": "p12"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 45,
      "life": 18,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 16
    }
  ],
  "action_pending": true
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T5 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "recent_chat": [
    "Opus Detect: Deployed a little friend. Notice how I'm still holding up 3 mana with a Wizard on the field? You know what that means for your artifacts... 🧙‍♂️🔥"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Ancient Tomb",
      "index": 0,
      "action": "land",
      "id": "p18"
    },
    {
      "name": "Goblin Engineer",
      "index": 1,
      "action": "activate",
      "playable_abilities": [
        "{R}, {T}, Sacrifice an artifact: Return target ar..."
      ],
      "id": "p2"
    },
    {
      "name": "Grindstone",
      "index": 2,
      "action": "activate",
      "playable_abilities": [
        "{3}, {T}: Target player mills two cards. If two c..."
      ],
      "id": "p4"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 3,
      "action": "cast",
      "id": "p10"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 4,
      "action": "cast",
      "id": "p12"
    },
    {
      "mana_cost": "{R}",
      "name": "Pyroblast",
      "index": 5,
      "action": "cast",
      "id": "p6"
    },
    {
      "mana_cost": "{2}{R}",
      "name": "Simian Spirit Guide",
      "index": 6,
      "action": "cast",
      "id": "p40",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "Wooded Foothills",
      "index": 7,
      "action": "land",
      "id": "p14"
    }
  ],
  "board": [
    {
      "hand_size": 6,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 44,
      "life": 18,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        },
        {
          "name": "Wooded Foothills",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 16
    }
  ]
}

{
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T5 Precombat Main/Precombat Main (DSV3 Contra)",
  "recent_chat": [
    "DSV3 Contra: Everyone knows you hold up mana for counters. But conventional wisdom says you should counter the important spell, not the bait. Let's test that theory."
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    },
    {
      "mana_cost": "{1}{U}{R}",
      "name": "Flame of Anor",
      "index": 1,
      "action": "cast",
      "id": "p31"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 16,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{X}{R}{W}",
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 44,
      "life": 17
    }
  ]
}

{
  "actions_passed": 1,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T5 Precombat Main/Precombat Main (DSV3 Contra)",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play instants and activated abilities",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    },
    {
      "mana_cost": "{1}{U}{R}",
      "name": "Flame of Anor",
      "index": 1,
      "action": "cast",
      "id": "p31"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 13,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{X}{R}{W}",
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        }
      ]
    },
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17
    }
  ],
  "action_pending": true
}

{
  "combat_phase": "attackers",
  "actions_passed": 1,
  "action_type": "GAME_SELECT",
  "context": "T5 Combat/Declare Attackers (DSV3 Contra)",
  "stop_reason": "combat",
  "response_type": "select",
  "untapped_lands": 2,
  "respond_with": "attackers=[\"p1\",...] or answer=true (confirm) or answer=false (skip)",
  "message": "Select attackers",
  "choices": [
    {
      "name": "Goblin Engineer",
      "index": 0,
      "choice_type": "attacker",
      "id": "p2",
      "power": "1",
      "toughness": "2"
    },
    {
      "name": "All attack",
      "index": 1,
      "choice_type": "special",
      "id": "all"
    }
  ],
  "board": [
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 13
    }
  ],
  "action_pending": true
}

{
  "combat_phase": "blockers",
  "action_type": "GAME_SELECT",
  "stop_reason": "combat",
  "response_type": "select",
  "untapped_lands": 3,
  "combat": [
    {
      "blocked": false,
      "defending": "Opus Detect",
      "attackers": [
        {
          "name": "Goblin Engineer",
          "id": "p21",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Select blockers",
  "action_pending": true,
  "actions_passed": 1,
  "context": "T5 Combat/Declare Blockers (DSV3 Contra)",
  "respond_with": "blockers=[{\"id\":\"pN\",\"blocks\":\"pM\"},...] or answer=true (confirm) or answer=false (skip)",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    },
    {
      "mana_cost": "{1}{U}{R}",
      "name": "Flame of Anor",
      "index": 1,
      "action": "cast",
      "id": "p31"
    },
    {
      "name": "Thundertrap Trainer",
      "index": 2,
      "choice_type": "blocker",
      "id": "p32",
      "power": "1",
      "toughness": "2"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 13,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{X}{R}{W}",
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        }
      ]
    },
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17
    }
  ],
  "incoming_attackers": [
    {
      "name": "Goblin Engineer",
      "id": "p21",
      "power": "1",
      "toughness": "2"
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 2,
  "combat": [
    {
      "blocked": true,
      "defending": "Opus Detect",
      "attackers": [
        {
          "name": "Goblin Engineer",
          "id": "p2",
          "power": "1",
          "toughness": "2"
        }
      ],
      "blockers": [
        {
          "name": "Thundertrap Trainer",
          "id": "p47",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T5 Combat/Combat Damage (DSV3 Contra)",
  "recent_chat": [
    "Opus Detect: Ah, a Lightning Bolt to the face. The classic "bait" play. You want me to panic and use my removal early. But here's the thing — I already know what you're setting up. Two untapped Mountains, Painter's Servant costs exactly {2}... the question is whether you actually have it in hand. That attack with Engineer last turn says you didn't then. Did you draw it? Let's find out. 🕵️"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Grindstone",
      "index": 0,
      "action": "activate",
      "playable_abilities": [
        "{3}, {T}: Target player mills two cards. If two c..."
      ],
      "id": "p4"
    },
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 1,
      "action": "cast",
      "id": "p12"
    },
    {
      "mana_cost": "{R}",
      "name": "Pyroblast",
      "index": 2,
      "action": "cast",
      "id": "p6"
    }
  ],
  "board": [
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 13
    }
  ]
}

{
  "stack": [
    {
      "name": "Pyroblast",
      "targets": [
        {
          "name": "Back to Basics (yours)",
          "id": "p3"
        }
      ]
    }
  ],
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "combat": [
    {
      "blocked": true,
      "defending": "Opus Detect",
      "attackers": [
        {
          "name": "Goblin Engineer",
          "id": "p21",
          "power": "1",
          "toughness": "2"
        }
      ],
      "blockers": [
        {
          "name": "Thundertrap Trainer",
          "id": "p32",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T5 Combat/Combat Damage (DSV3 Contra)",
  "recent_chat": [
    "DSV3 Contra: They say you never Pyroblast a nonblue permanent. But what if the permanent is the thing that's preventing you from playing your combo? Ancient Tomb wants to untap. Back to Basics stops that. Sometimes you have to question the fundamental rules to see the bigger picture."
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Dress Down",
      "index": 0,
      "action": "cast",
      "id": "p4"
    },
    {
      "mana_cost": "{1}{U}{R}",
      "name": "Flame of Anor",
      "index": 1,
      "action": "cast",
      "id": "p31"
    },
    {
      "mana_cost": "{3}{U}{U}",
      "name": "Force of Will",
      "index": 2,
      "action": "cast",
      "id": "p6"
    },
    {
      "mana_cost": "{3}{U}{U}",
      "name": "Force of Will",
      "index": 3,
      "action": "cast",
      "id": "p24"
    }
  ],
  "board": [
    {
      "hand_size": 5,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "library_size": 38,
      "life": 13,
      "hand": [
        {
          "mana_cost": "{1}{U}",
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24",
          "playable": true
        },
        {
          "mana_cost": "{X}{R}{W}",
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 1,
  "combat": [
    {
      "blocked": true,
      "defending": "Opus Detect",
      "attackers": [
        {
          "name": "Goblin Engineer",
          "id": "p2",
          "power": "1",
          "toughness": "2"
        }
      ],
      "blockers": [
        {
          "name": "Thundertrap Trainer",
          "id": "p47",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T5 Combat/Combat Damage (DSV3 Contra)",
  "recent_chat": [
    "Opus Detect: Nice try with the "bait vs important spell" talk. Bolt to the face was the bait. Pyroblast is the real play. But I've got answers for both. Force of Will says Back to Basics stays put. 🔒 You thought I'd use my counter on a 3-damage burn spell? I'm tracking every card, every mana. Ancient Tomb stays locked down."
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 0,
      "action": "cast",
      "id": "p12"
    }
  ],
  "board": [
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 38,
      "life": 12
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "combat": [
    {
      "blocked": true,
      "defending": "Opus Detect",
      "attackers": [
        {
          "name": "Goblin Engineer",
          "id": "p21",
          "power": "1",
          "toughness": "2"
        }
      ],
      "blockers": [
        {
          "name": "Thundertrap Trainer",
          "id": "p32",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T5 Combat/Combat Damage (DSV3 Contra)",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}{R}",
      "name": "Flame of Anor",
      "index": 0,
      "action": "cast",
      "id": "p31"
    }
  ],
  "board": [
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 38,
      "life": 12,
      "hand": [
        {
          "mana_cost": "{1}{U}{R}",
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31",
          "playable": true
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{X}{R}{W}",
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 1,
  "combat": [
    {
      "blocked": true,
      "defending": "Opus Detect",
      "attackers": [],
      "blockers": [
        {
          "name": "Thundertrap Trainer",
          "id": "p47",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T5 Combat/Combat Damage (DSV3 Contra)",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 0,
      "action": "cast",
      "id": "p12"
    }
  ],
  "board": [
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p60"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 38,
      "life": 12
    }
  ]
}

{
  "actions_passed": 2,
  "stack": [
    {
      "name": "Lightning Bolt",
      "targets": [
        {
          "name": "Opus Detect (you)",
          "id": "p1"
        }
      ]
    }
  ],
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T5 Postcombat Main/Postcombat Main (DSV3 Contra)",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play instants and activated abilities",
  "choices": [
    {
      "mana_cost": "{3}{U}{U}",
      "name": "Force of Will",
      "index": 0,
      "action": "cast",
      "id": "p24"
    }
  ],
  "board": [
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 38,
      "life": 12,
      "hand": [
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24",
          "playable": true
        },
        {
          "mana_cost": "{X}{R}{W}",
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17
    }
  ],
  "action_pending": true
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 5,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T6 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Scalding Tarn",
      "index": 0,
      "action": "land",
      "id": "p47"
    }
  ],
  "board": [
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 37,
      "life": 9,
      "hand": [
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{X}{R}{W}",
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        },
        {
          "name": "Scalding Tarn",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p47",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p48"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17
    }
  ]
}

{
  "combat_phase": "attackers",
  "actions_passed": 2,
  "action_type": "GAME_SELECT",
  "context": "T6 Combat/Declare Attackers (Opus Detect)",
  "stop_reason": "combat",
  "response_type": "select",
  "respond_with": "attackers=[\"p1\",...] or answer=true (confirm) or answer=false (skip)",
  "message": "Select attackers",
  "choices": [
    {
      "name": "Thundertrap Trainer",
      "index": 0,
      "choice_type": "attacker",
      "id": "p32",
      "power": "1",
      "toughness": "2"
    },
    {
      "name": "Human Knight Token",
      "index": 1,
      "choice_type": "attacker",
      "id": "p51",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "Human Knight Token",
      "index": 2,
      "choice_type": "attacker",
      "id": "p52",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "Human Knight Token",
      "index": 3,
      "choice_type": "attacker",
      "id": "p53",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "Human Knight Token",
      "index": 4,
      "choice_type": "attacker",
      "id": "p54",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "All attack",
      "index": 5,
      "choice_type": "special",
      "id": "all"
    }
  ],
  "board": [
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_BADYou are The Monarch (no monarch in the game)"
          ],
          "id": "p37"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p47"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p51",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p52",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p53",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p54",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p16"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 36,
      "life": 8,
      "hand": [
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p48"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 43,
      "life": 17
    }
  ],
  "action_pending": true
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 9,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T6 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "recent_chat": [
    "Opus Detect: And there it is. Grindstone AND Goblin Engineer — gone in one spell. 🔥 The whole combo, up in flames. Literally. You sandbagged the Pyroblast to bait my counter, then went for the Bolt after I was tapped out. Clever sequence, but I read the Pyroblast coming. Now your graveyard tells the whole story: Great Furnace, Grindstone, Goblin Engineer. Three pieces of a puzzle that will never be assembled. What's left in that hand? I'm guessing a Painter's Servant with nowhere to (rest of message truncated)",
    "Opus Detect: FORTH EORLINGAS! 🐎⚔️ Four knights riding in with trample and haste. No blockers, no combo, no escape. That's 9 damage coming at you. The case file reads: combo destroyed, board dismantled, cavalry arriving. Two more turns like this and it's over. Your hand has 2 cards — let me guess... Painter's Servant and a prayer? 🔍"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "name": "Ancient Tomb",
      "index": 0,
      "action": "land",
      "id": "p18"
    },
    {
      "mana_cost": "{R}",
      "name": "Pyroblast",
      "index": 1,
      "action": "cast",
      "id": "p62"
    },
    {
      "mana_cost": "{2}{R}",
      "name": "Simian Spirit Guide",
      "index": 2,
      "action": "cast",
      "id": "p40",
      "power": "2",
      "toughness": "2"
    }
  ],
  "board": [
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 42,
      "life": 8,
      "hand": [
        {
          "name": "Ancient Tomb",
          "is_land": true,
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p62",
          "playable": true
        },
        {
          "mana_cost": "{2}{R}",
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "power": "2",
          "id": "p40",
          "toughness": "2",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p60"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p68"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p69"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p63",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p64",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p65",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p66",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": true,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p67"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 35,
      "life": 8
    }
  ]
}

{
  "actions_passed": 4,
  "stack": [
    {
      "name": "Simian Spirit Guide"
    }
  ],
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T6 Precombat Main/Precombat Main (DSV3 Contra)",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play instants and activated abilities",
  "choices": [
    {
      "mana_cost": "{3}{U}{U}",
      "name": "Force of Will",
      "index": 0,
      "action": "cast",
      "id": "p24"
    }
  ],
  "board": [
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p37"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p47"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p51",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p52",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p53",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p54",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": true,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p16"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 35,
      "life": 8,
      "hand": [
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "power": "1",
          "id": "p55",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p48"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p56"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 42,
      "life": 8
    }
  ],
  "action_pending": true
}

{
  "combat_phase": "attackers",
  "actions_passed": 1,
  "action_type": "GAME_SELECT",
  "context": "T7 Combat/Declare Attackers (Opus Detect)",
  "stop_reason": "combat",
  "response_type": "select",
  "untapped_lands": 5,
  "respond_with": "attackers=[\"p1\",...] or answer=true (confirm) or answer=false (skip)",
  "message": "Select attackers",
  "choices": [
    {
      "name": "Thundertrap Trainer",
      "index": 0,
      "choice_type": "attacker",
      "id": "p32",
      "power": "1",
      "toughness": "2"
    },
    {
      "name": "Human Knight Token",
      "index": 1,
      "choice_type": "attacker",
      "id": "p51",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "Human Knight Token",
      "index": 2,
      "choice_type": "attacker",
      "id": "p52",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "Human Knight Token",
      "index": 3,
      "choice_type": "attacker",
      "id": "p53",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "Human Knight Token",
      "index": 4,
      "choice_type": "attacker",
      "id": "p54",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "All attack",
      "index": 5,
      "choice_type": "special",
      "id": "all"
    }
  ],
  "board": [
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p37"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p47"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p51",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p52",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p53",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p54",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p16"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 34,
      "life": 8,
      "hand": [
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p57"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "power": "1",
          "id": "p55",
          "toughness": "2"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p48"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p56"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p58",
          "power": "2",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 42,
      "life": 8
    }
  ],
  "action_pending": true
}

{
  "actions_passed": 2,
  "land_drops_used": 0,
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_ASK",
  "context": "T7 Postcombat Main/Postcombat Main (Opus Detect) YOUR_MAIN",
  "stop_reason": "non_priority_action",
  "response_type": "boolean",
  "untapped_lands": 3,
  "respond_with": "answer=true or answer=false",
  "message": "Reveal a noncreature, nonland card and put it into your hand?",
  "board": [
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p37"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p47"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p51",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p52",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p53",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p54",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p55",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p16"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 34,
      "life": 8,
      "hand": [
        {
          "name": "Flooded Strand",
          "is_land": true,
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p57"
        },
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p48"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p56"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p58",
          "power": "2",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 42,
      "life": 8
    }
  ],
  "action_pending": true
}

{
  "stack": [
    {
      "name": "Ability"
    }
  ],
  "action_type": "GAME_TARGET",
  "stop_reason": "non_priority_action",
  "response_type": "index",
  "can_cancel": true,
  "untapped_lands": 3,
  "message": "Select a Plains or Island card",
  "required": false,
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 1,
  "context": "T7 Postcombat Main/Postcombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N, or answer=false to cancel",
  "choices": [
    {
      "name": "Island",
      "target_type": "card",
      "index": 0,
      "id": "p13"
    },
    {
      "name": "Plains",
      "target_type": "card",
      "index": 1,
      "id": "p26"
    },
    {
      "name": "Plains",
      "target_type": "card",
      "index": 2,
      "id": "p30"
    },
    {
      "name": "Volcanic Island",
      "target_type": "card",
      "index": 3,
      "id": "p17"
    }
  ],
  "board": [
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p57"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p37"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p47"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p51",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p52",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p53",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p54",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p55",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p16"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 33,
      "life": 7,
      "hand": [
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{W}",
          "name": "Swords to Plowshares",
          "rules": [
            "Exile target creature. Its controller gains life equal to its power."
          ],
          "id": "p60"
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p48"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p56"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p58",
          "power": "2",
          "toughness": "2",
          "summoning_sick": true
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 42,
      "life": 8
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 4,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 10,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T7 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "recent_chat": [
    "Opus Detect: Interesting. You deployed a 2/2 Simian Spirit Guide — your last card in hand. The evidence points to desperation: no combo pieces left, no Bolts (2 already in the graveyard), just a monkey with no answers. My board reads lethal next turn through that blocker. The case is almost closed. 🔍📋"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{R}",
      "name": "Lightning Bolt",
      "index": 0,
      "action": "cast",
      "id": "p11"
    },
    {
      "mana_cost": "{R}",
      "name": "Pyroblast",
      "index": 1,
      "action": "cast",
      "id": "p62"
    }
  ],
  "board": [
    {
      "hand_size": 2,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        },
        {
          "tapped": false,
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p40",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 41,
      "life": 8,
      "hand": [
        {
          "mana_cost": "{R}",
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p11",
          "playable": true
        },
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p62",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p60"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p73"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p68"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p69"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p63",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p64",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p65",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p66",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Plains",
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p71"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p72",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p67"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 31,
      "life": 7
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T7 Precombat Main/Precombat Main (DSV3 Contra) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{R}",
      "name": "Pyroblast",
      "index": 0,
      "action": "cast",
      "id": "p62"
    }
  ],
  "board": [
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p11"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        },
        {
          "tapped": false,
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p40",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 41,
      "life": 8,
      "hand": [
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p62",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p60"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p73"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p68"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p69"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p63",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p64",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p65",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p66",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Plains",
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p71"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p72",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p67"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 31,
      "life": 4
    }
  ]
}

{
  "combat_phase": "attackers",
  "actions_passed": 0,
  "action_type": "GAME_SELECT",
  "context": "T7 Combat/Declare Attackers (DSV3 Contra)",
  "stop_reason": "combat",
  "response_type": "select",
  "untapped_lands": 3,
  "respond_with": "attackers=[\"p1\",...] or answer=true (confirm) or answer=false (skip)",
  "message": "Select attackers",
  "choices": [
    {
      "name": "Simian Spirit Guide",
      "index": 0,
      "choice_type": "attacker",
      "id": "p40",
      "power": "2",
      "toughness": "2"
    },
    {
      "name": "All attack",
      "index": 1,
      "choice_type": "special",
      "id": "all"
    }
  ],
  "board": [
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p11"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        },
        {
          "tapped": false,
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p40",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 41,
      "life": 8,
      "hand": [
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p62"
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p60"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p73"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p68"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p69"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p63",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p64",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p65",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p66",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Plains",
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p71"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p72",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p67"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 31,
      "life": 4
    }
  ],
  "action_pending": true
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T7 Postcombat Main/Postcombat Main (DSV3 Contra) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{R}",
      "name": "Pyroblast",
      "index": 0,
      "action": "cast",
      "id": "p62"
    }
  ],
  "board": [
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p11"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        },
        {
          "tapped": false,
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p40",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 41,
      "life": 8,
      "hand": [
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p62",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p60"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p73"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p68"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p69"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p63",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p64",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p65",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p66",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": false,
          "name": "Plains",
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p71"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p72",
          "power": "1",
          "toughness": "2",
          "summoning_sick": true
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p67"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 31,
      "life": 4
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 6,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T8 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "recent_chat": [
    "DSV3 Contra: Everyone says you kill the tokens first. But they forget the Thundertrap Trainer that dug for the Flames of Anor. If you think the conventional wisdom is to kill the tokens, maybe it's time to question the trainer.",
    "DSV3 Contra: Conventional wisdom says to Pyroblast Back to Basics. But maybe the real target isn't the card that's beating you now, but the card that can beat you next turn. Four 2/2 tokens with trample say hello. Pyroblast is red, Back to Basics is blue—but who's the real threat?"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{W}",
      "name": "Swords to Plowshares",
      "index": 0,
      "action": "cast",
      "id": "p60"
    },
    {
      "mana_cost": "{W}",
      "name": "Swords to Plowshares",
      "index": 1,
      "action": "cast",
      "id": "p62"
    },
    {
      "mana_cost": "{1}{U}",
      "name": "Thundertrap Trainer",
      "index": 2,
      "action": "cast",
      "id": "p63",
      "power": "1",
      "toughness": "2"
    }
  ],
  "board": [
    {
      "hand_size": 4,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p57"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p37"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p47"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p51",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p52",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p53",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p54",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Plains",
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p26"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p55",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p16"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 30,
      "life": 4,
      "hand": [
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{W}",
          "name": "Swords to Plowshares",
          "rules": [
            "Exile target creature. Its controller gains life equal to its power."
          ],
          "id": "p60",
          "playable": true
        },
        {
          "mana_cost": "{W}",
          "name": "Swords to Plowshares",
          "rules": [
            "Exile target creature. Its controller gains life equal to its power."
          ],
          "id": "p62",
          "playable": true
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "power": "1",
          "id": "p63",
          "toughness": "2",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p48"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p64"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p56"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        },
        {
          "tapped": false,
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p58",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false
        }
      ],
      "name": "DSV3 Contra",
      "library_size": 41,
      "life": 8
    }
  ]
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 1,
  "message": "Play spells and abilities",
  "action_pending": true,
  "actions_passed": 1,
  "land_drops_used": 0,
  "has_playable_cards": true,
  "context": "T8 Precombat Main/Precombat Main (Opus Detect) YOUR_MAIN",
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{1}{U}",
      "name": "Thundertrap Trainer",
      "index": 0,
      "action": "cast",
      "id": "p63",
      "power": "1",
      "toughness": "2"
    }
  ],
  "board": [
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p18"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p31"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p5"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p57"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p6"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p37"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p7"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p27"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p8"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p9"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p47"
        },
        {
          "name": "Swords to Plowshares",
          "rules": [
            "Exile target creature. Its controller gains life equal to its power."
          ],
          "id": "p60"
        }
      ],
      "is_active": true,
      "is_you": true,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p3"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p51",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p52",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p53",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p54",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p10"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p11"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p12"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p14"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p15"
        },
        {
          "tapped": true,
          "name": "Plains",
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p26"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p32",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p55",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p16"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p4"
        }
      ],
      "library_size": 30,
      "mana_pool": {
        "R": 1,
        "U": 3
      },
      "life": 4,
      "hand": [
        {
          "mana_cost": "{3}{U}{U}",
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p24"
        },
        {
          "mana_cost": "{W}",
          "name": "Swords to Plowshares",
          "rules": [
            "Exile target creature. Its controller gains life equal to its power."
          ],
          "id": "p62"
        },
        {
          "mana_cost": "{1}{U}",
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "power": "1",
          "id": "p63",
          "toughness": "2",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p21"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p25"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p23"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p42"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p48"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p64"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p45"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p39"
        }
      ],
      "is_active": false,
      "is_you": false,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p20"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p56"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p22"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p35"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p41"
        }
      ],
      "name": "DSV3 Contra",
      "exile": [
        {
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 41,
      "life": 10
    }
  ]
}

{
  "actions_passed": 1,
  "has_playable_cards": true,
  "action_type": "GAME_SELECT",
  "context": "T8 Precombat Main/Precombat Main (Opus Detect)",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "message": "Play instants and activated abilities",
  "choices": [
    {
      "mana_cost": "{R}",
      "name": "Pyroblast",
      "index": 0,
      "action": "cast",
      "id": "p62"
    }
  ],
  "board": [
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p11"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        }
      ],
      "name": "DSV3 Contra",
      "exile": [
        {
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p40"
        }
      ],
      "library_size": 41,
      "life": 10,
      "hand": [
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p62",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p60"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p73"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p68"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p69"
        },
        {
          "name": "Swords to Plowshares",
          "rules": [
            "Exile target creature. Its controller gains life equal to its power."
          ],
          "id": "p75"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p63",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p64",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p65",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": false,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p66",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": true,
          "name": "Plains",
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p71"
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": false,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p72",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p67"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 30,
      "mana_pool": {
        "R": 1,
        "U": 3
      },
      "life": 4
    }
  ],
  "action_pending": true
}

{
  "action_type": "GAME_SELECT",
  "stop_reason": "playable_cards",
  "response_type": "select",
  "untapped_lands": 3,
  "combat": [
    {
      "blocked": false,
      "defending": "DSV3 Contra",
      "attackers": [
        {
          "name": "Thundertrap Trainer",
          "id": "p47",
          "power": "1",
          "toughness": "2"
        }
      ]
    },
    {
      "blocked": false,
      "defending": "DSV3 Contra",
      "attackers": [
        {
          "name": "Human Knight Token",
          "id": "p63",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "blocked": false,
      "defending": "DSV3 Contra",
      "attackers": [
        {
          "name": "Human Knight Token",
          "id": "p64",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "blocked": false,
      "defending": "DSV3 Contra",
      "attackers": [
        {
          "name": "Human Knight Token",
          "id": "p65",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "blocked": false,
      "defending": "DSV3 Contra",
      "attackers": [
        {
          "name": "Human Knight Token",
          "id": "p66",
          "power": "2",
          "toughness": "2"
        }
      ]
    },
    {
      "blocked": false,
      "defending": "DSV3 Contra",
      "attackers": [
        {
          "name": "Thundertrap Trainer",
          "id": "p72",
          "power": "1",
          "toughness": "2"
        }
      ]
    }
  ],
  "message": "Play instants and activated abilities",
  "action_pending": true,
  "actions_passed": 1,
  "has_playable_cards": true,
  "context": "T8 Combat/Declare Blockers (Opus Detect)",
  "recent_chat": [
    "Opus Detect: Case closed. 🔍 The evidence was overwhelming: no blockers on the field, 10 power vs 10 life. The Swords to Plowshares was the final piece of the puzzle — remove the only witness, I mean blocker, and the verdict is lethal. GG!"
  ],
  "respond_with": "id=\"pN\" or index=N to play, or answer=false to pass",
  "choices": [
    {
      "mana_cost": "{R}",
      "name": "Pyroblast",
      "index": 0,
      "action": "cast",
      "id": "p62"
    }
  ],
  "board": [
    {
      "hand_size": 1,
      "graveyard": [
        {
          "name": "Goblin Engineer",
          "rules": [
            "When {this} enters, you may search your library for an artifact card, put it into your graveyard, then shuffle.",
            "{R}, {T}, Sacrifice an artifact: Return target artifact card with mana value 3 or less from your graveyard to the battlefield."
          ],
          "id": "p2"
        },
        {
          "name": "Great Furnace",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p9"
        },
        {
          "name": "Grindstone",
          "rules": [
            "{3}, {T}: Target player mills two cards. If two cards that share a color were milled this way, repeat this process."
          ],
          "id": "p4"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p10"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p11"
        },
        {
          "name": "Lightning Bolt",
          "rules": [
            "{this} deals 3 damage to any target."
          ],
          "id": "p12"
        },
        {
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p6"
        },
        {
          "name": "Wooded Foothills",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Mountain or Forest card, put it onto the battlefield, then shuffle."
          ],
          "id": "p14"
        }
      ],
      "is_active": false,
      "is_you": true,
      "battlefield": [
        {
          "tapped": true,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p8"
        },
        {
          "tapped": false,
          "name": "Ancient Tomb",
          "rules": [
            "{T}: Add {C}{C}. {this} deals 2 damage to you."
          ],
          "id": "p18"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p13"
        },
        {
          "tapped": false,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p36"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p50"
        }
      ],
      "name": "DSV3 Contra",
      "exile": [
        {
          "name": "Simian Spirit Guide",
          "rules": [
            "Exile {this} from your hand: Add {R}."
          ],
          "id": "p40"
        }
      ],
      "library_size": 41,
      "life": 10,
      "hand": [
        {
          "mana_cost": "{R}",
          "name": "Pyroblast",
          "rules": [
            "Choose one —: &bull Counter target spell if it's blue.: &bull Destroy target permanent if it's blue.: "
          ],
          "id": "p62",
          "playable": true
        }
      ]
    },
    {
      "hand_size": 3,
      "graveyard": [
        {
          "name": "Brainstorm",
          "rules": [
            "Draw three cards, then put two cards from your hand on top of your library in any order."
          ],
          "id": "p42"
        },
        {
          "name": "Flame of Anor",
          "rules": [
            "Choose one. If you control a Wizard as you cast this spell, you may choose two instead.: &bull Target player draws two cards.: &bull Destroy target artifact.: &bull {this} deals 5 damage to target creature.: ",
            ": ",
            "ICON_GOODYou control a Wizard"
          ],
          "id": "p60"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p43"
        },
        {
          "name": "Flooded Strand",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a Plains or Island card, put it onto the battlefield, then shuffle."
          ],
          "id": "p73"
        },
        {
          "name": "Force of Will",
          "rules": [
            "You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost.",
            "Counter target spell."
          ],
          "id": "p57"
        },
        {
          "name": "Forth Eorlingas!",
          "rules": [
            "Create X 2/2 red Human Knight creature tokens with trample and haste. : Whenever one or more creatures you control deal combat damage to one or more players this turn, you become the monarch.",
            ": ",
            "ICON_GOODYou are The Monarch (current monarch: Opus Detect)"
          ],
          "id": "p68"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p16"
        },
        {
          "name": "Ponder",
          "rules": [
            "Look at the top three cards of your library, then put them back in any order. You may shuffle. : Draw a card."
          ],
          "id": "p44"
        },
        {
          "name": "Prismatic Vista",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for a basic land card, put it onto the battlefield, then shuffle."
          ],
          "id": "p45"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p17"
        },
        {
          "name": "Scalding Tarn",
          "rules": [
            "{T}, Pay 1 life, Sacrifice {this}: Search your library for an Island or Mountain card, put it onto the battlefield, then shuffle."
          ],
          "id": "p69"
        },
        {
          "name": "Swords to Plowshares",
          "rules": [
            "Exile target creature. Its controller gains life equal to its power."
          ],
          "id": "p75"
        }
      ],
      "is_active": true,
      "is_you": false,
      "battlefield": [
        {
          "tapped": false,
          "name": "Back to Basics",
          "rules": [
            "Nonbasic lands don't untap during their controllers' untap steps."
          ],
          "id": "p37"
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p63",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p64",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p65",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Human Knight Token",
          "rules": [
            "Trample",
            "Haste"
          ],
          "id": "p66",
          "power": "2",
          "toughness": "2",
          "summoning_sick": false,
          "token": true
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p15"
        },
        {
          "tapped": false,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p19"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p41"
        },
        {
          "tapped": true,
          "name": "Island",
          "rules": [
            "{T}: Add {U}."
          ],
          "id": "p46"
        },
        {
          "tapped": true,
          "name": "Mountain",
          "rules": [
            "{T}: Add {R}."
          ],
          "id": "p38"
        },
        {
          "tapped": true,
          "name": "Plains",
          "rules": [
            "{T}: Add {W}."
          ],
          "id": "p71"
        },
        {
          "tapped": true,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p47",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Thundertrap Trainer",
          "rules": [
            "Offspring {4} (You may pay an additional {4} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)",
            "When {this} enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order."
          ],
          "id": "p72",
          "power": "1",
          "toughness": "2",
          "summoning_sick": false
        },
        {
          "tapped": true,
          "name": "Tundra",
          "rules": [
            "{T}: Add {W}.",
            "{T}: Add {U}."
          ],
          "id": "p67"
        }
      ],
      "name": "Opus Detect",
      "exile": [
        {
          "name": "Dress Down",
          "rules": [
            "Flash",
            "When {this} enters, draw a card.",
            "Creatures lose all abilities.",
            "At the beginning of the end step, sacrifice {this}."
          ],
          "id": "p58"
        }
      ],
      "library_size": 30,
      "life": 4
    }
  ]
}

{
  "actions_passed": 1,
  "stop_reason": "game_over",
  "game_over": true,
  "recent_chat": [
    "DSV3 Contra: Conventional wisdom says you're dead when they have lethal. But maybe the real question is: why attack with everything when you could hold back? The answer is obvious: because you can. But sometimes the obvious play is the wrong one. Not this time though. GG."
  ],
  "action_pending": false
}

{
  "actions_passed": 0,
  "stop_reason": "game_over",
  "game_over": true,
  "action_pending": false,
  "player_dead": true
}