Myr Turbine, Time Sieve, Myr Battlesphere, and Epitaph Golem

Prerequisites

• Myr Turbine on the battlefield
• Time Sieve on the battlefield
• Myr Battlesphere in the library
• Epitaph Golem on the battlefield
• each turn available

Steps

1. Activate Myr Turbine by tapping it and five Myr, searching your library for Myr Battlesphere and putting it onto the battlefield
2. When Myr Battlesphere enters, it triggers, creating four 1/1 Myr artifact creature tokens
3. Activate Time Sieve by tapping it, sacrificing Myr Battlesphere and the four Myr tokens, causing you to take an extra turn after this one
4. Activate Epitaph Golem by paying , putting Myr Battlesphere from your graveyard onto the bottom of your library
5. Repeat each turn

Results

• Infinite turns
• Lock