Time Sieve, Myr Battlesphere, and Enduring Renewal

Prerequisites

• Time Sieve on the battlefield
• Myr Battlesphere in hand
• Enduring Renewal on the battlefield
• each turn available

Steps

1. Cast Myr Battlesphere by paying
2. Myr Battlesphere enters the battlefield, creating four 1/1 Myr creature tokens
3. Activate Time Sieve by tapping it, sacrificing Myr Battlesphere and sacrificing the four Myr tokens
4. When Myr Battlesphere dies, Enduring Renewal triggers, returning Myr Battlesphere to your hand from your graveyard
5. Resolve the Time Sieve ability, causing you to take an extra turn after this one
6. Repeat each turn

Results

• Infinite turns