1B
Sorcery
exchange control of target Zombie you control and target permanent of the same type target opponent controls
Madness X blue mana, where X is the number of poison counters you have

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3UU
Artifact Creature - Golem (1/3)
When ~this~ enters the battlefield, target opponent loses 3 life
When ~this~ enters the battlefield, target player may Sacrifice a land. If that player doesn't, clash with an opponent. If you win, up to three target blue creatures get -3/+3 until end of turn

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(G/W)(G/W)(G/W)(G/W)
Creature - Bird (3/3)
Flying
At the beginning of each opponent's upkeep, tap target permanent
When ~this~ is exiled, you gain 3 life

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AlexChurchill/MagicCardGenerator