Wormfang Manta, Scroll of Fate, and Capsize

Prerequisites

• Wormfang Manta in hand
• Scroll of Fate on the battlefield
• Capsize in hand
• each turn available

Steps

1. Activate Scroll of Fate by tapping it, manifesting Wormfang Manta from your hand
2. Pay to turn Wormfang Manta face up
3. Cast Capsize with buyback by paying , returning Wormfang Manta from the battlefield to your hand and putting Capsize back into your hand
4. Wormfang Manta's LTB ability triggers, creating an extra turn after this one
5. Repeat each turn

Results

• Infinite turns