Time Sieve, Myr Battlesphere, and Emry, Lurker of the Loch

Prerequisites

• Time Sieve on the battlefield
• Myr Battlesphere in the graveyard
• Emry, Lurker of the Loch on the battlefield
• Emry does not have summoning sickness
• each turn available

Steps

1. Activate Emry by tapping it, allowing you to cast Myr Battlesphere from your graveyard this turn
2. Cast Myr Battlesphere from your graveyard by paying
3. Myr Battlesphere enters the battlefield, creating four 1/1 Myr creature tokens
4. Activate Time Sieve by tapping it, sacrificing Myr Battlesphere and sacrificing the four Myr tokens, causing you to take an extra turn after this one
5. Repeat each turn

Results

• Infinite turns