Wormfang Manta, Lilysplash Mentor, and Karn, Argent Defender

Prerequisites

• Wormfang Manta on the battlefield
• Lilysplash Mentor on the battlefield
• Karn, Argent Defender on the battlefield
• each turn available

Steps

1. Activate Lilysplash Mentor by paying , blinking and putting a +1/+1 counter on Wormfang Manta
2. When Wormfang Manta leaves the battlefield, its second ability triggers, causing you to take an extra turn after this one
3. Wormfang Manta entering does not cause its abillity to trigger due to Karn
4. Repeat each turn

Results

• Infinite turns
• Lock