Trazyn the Infinite, Phyrexian Devourer, and Triskelion

Prerequisites

• Trazyn the Infinite in the graveyard
• Phyrexian Devourer in the graveyard
• Triskelion in the graveyard
• Trazyn on the battlefield

Steps

1. Activate Trazyn using Phyrexian Devourer's ability by exiling the top card of your library, putitng a number of +1/+1 counters on Trazyn equal to the exiled card's mana value
2. Repeat step 1 as many times as desired, or until your library is empty
3. Activate Trazyn using Triskelion's ability by removing a +1/+1 counter from it, dealing 1 damage to any target
4. Repeat step 3 as many times as desired

Results

• Exile your library
• Near-infinite +1/+1 counters on Trazyn
• Near-infinite damage