Teleportation Circle, Eternal Witness, and Capture of Jingzhou

Prerequisites

• Teleportation Circle on the battlefield
• Eternal Witness on the battlefield
• Capture of Jingzhou in hand
• each turn available

Steps

1. Cast Capture of Jingzhou by paying , causing you to take an extra turn 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 Capture of Jingzhou to your hand from your graveyard
4. Repeat each turn

Results

• Infinite turns