Eternal Witness + Teleportation Circle + Time Stretch

Mana needed: {8}{U}{U} every other turn

GWU identity

Commander legal

The 3 combo pieces

• Eternal Witness
• Teleportation Circle
• Time Stretch

How to execute it

1. Cast Time Stretch by paying {8}{U}{U}, causing you to take two extra turns after this one.
2. At the beginning of your end step, Teleportation Circle triggers, blinking Eternal Witness.
3. When Eternal Witness enters the battlefield, it triggers, returning Time Stretch to your hand from your graveyard.
4. Repeat during each even-numbered extra turn.

What the combo produces

• Infinite turns
• Lock