Wormfang Manta, Tocatli Honor Guard, and Mercurial Pretender

Prerequisites

• Wormfang Manta on the battlefield
• Tocatli Honor Guard on the battlefield
• Mercurial Pretender in hand
• each turn available

Steps

1. Cast Mercurial Pretender for , entering as a copy of Wormfang Manta
2. Pay to return it to your hand, triggering Wormfang Manta's LTB, granting you an extra turn after this one
3. Repeat for infinite turns

Results

• Infinite turns