Offspring's Revenge, Tree of Perdition, and Impact Tremors

Prerequisites

• Offspring's Revenge on the battlefield
• Tree of Perdition in the graveyard
• Impact Tremors on the battlefield

Steps

1. At the beginning of your combat phase, Offspring's Revenge triggers, exiling Tree of Perdition from your graveyard and creating a 1/1 copy of it with haste
2. The Tree of Perdition copy enters the battlefield, triggering Impact Tremors
3. Holding priority, activate the Tree of Perdition copy by tapping it, exchanging its toughness with target opponent's life total
4. Resolve the Impact Tremors trigger, dealing 1 damage to each opponent
5. The opponent whose life total was swapped loses the game due to having zero or les life

Results

• Near-infinite lifeloss for target opponent
• Target opponent loses the game