Jaws of Defeat + Tree of Perdition + Tyvar, Jubilant Brawler

Prerequisites

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Steps

1. 1Cast Tree of Perdition by paying .
2. 2When Tree of Perdition enters the battlefield, Jaws of Defeat triggers, targeting an opponent.
3. 3If the opponent has 13 or more life, hold priority and then activate Tree of Perdition by tapping it, swapping its toughness with an opponent's life total.
4. 4Resolve the Jaws of Defeat trigger, causing the opponent targeted in step 3 to lose life equal to Tree of Perdition's toughness.
5. 5The opponent loses the game as a state-based action due to having 0 or less life.

Effects

• Infinite lifeloss for target opponent
• Target opponent loses the game