Time Sieve, Biotransference, Xenograft, and Rotlung Reanimator

Prerequisites

• Time Sieve on the battlefield
• Biotransference on the battlefield
• Xenograft on the battlefield
• Rotlung Reanimator on the battlefield
• You control at least five other creatures
• "Cleric" chosen with Xenograft

Steps

1. Activate Time Sieve by tapping it and sacrificing five creatures
2. Rotlung Reanimator triggers five times, creating five 2/2 Zombie creature tokens
3. Resolve the Time Sieve ability, causing you to take an extra turn after this one
4. Repeat each turn

Results

• Infinite turns