Time Sieve + Myr Battlesphere + Planar Bridge + Wheel of Sun and Moon

Prerequisites

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Steps

1. 1Activate Planar Bridge by paying and tapping it, causing you to search your library for Myr Battlesphere and put it onto the battlefield.
2. 2When Myr Battlesphere enters the battlefield, it triggers, creating four 1/1 Myr artifact creature tokens.
3. 3Activate Time Sieve by tapping it, sacrificing Myr Battlesphere and the four Myr tokens.
4. 4Myr Battlesphere is put on the bottom of your library instead of in your graveyard due to Wheel of Sun and Moon.
5. 5Resolve the Time Sieve ability, causing you to take an extra turn after this one.
6. 6Repeat each turn.

Effects

• Infinite turns
• Lock