Time Sieve, Mimic Vat, and Myr Battlesphere

Prerequisites

• Time Sieve on the battlefield
• Mimic Vat on the battlefield
• Myr Battlesphere in exile
• each turn available

Steps

1. Activate Mimic Vat, putting a token copy of Myr Battlesphere onto the battlefield
2. The Myr Battlesphere Token triggers, creating four Myr tokens
3. Activate Time Sieve, sacrificing Myr Battlesphere and the 4 Myr tokens, getting an extra turn
4. Pass the turn
5. Repeat

Results

• Infinite turns