Tree of Perdition, and Astarion, the Decadent

Prerequisites

• Tree of Perdition on the battlefield
• Astarion, the Decadent on the battlefield

Steps

1. Activate Tree of Perdition by tapping it, causing its toughness to become equal to an opponents life total, and causing that opponent to lose life equal to the difference between their life total and Tree of Perdition's toughness as the ability resolved
2. At the beginning of your end step, [[Doubler - LIfeloss]] triggers, causing the opponent to lose life equal to the life they lost this turn

Results

• Near-infinite lifeloss for target opponent