Wizard Mentor, Wormfang Manta, and Tocatli Honor Guard

Prerequisites

• Wizard Mentor on the battlefield
• Wormfang Manta in hand
• Tocatli Honor Guard on the battlefield
• Wizard Mentor does not have summoning sickness
• each turn available

Steps

1. During your precombat main phase, cast Wormfang Manta by paying
2. Wormfang Manta's first ability does not trigger due to Tocatli Honor Guard
3. Activate Wizard Mentor by tapping it, returning it and Wormfang Manta from the battlefield to your hand
4. When Wormfang Manta leaves the battlefield, its second ability triggers, causing you to take an extra turn after this one
5. Cast Wizard Mentor by paying
6. Repeat each turn

Results

• Infinite turns