Wormfang Manta + Scroll of Fate + Umbilicus

Prerequisites

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Steps

1. 1At the beginning of your upkeep, Umbilicus triggers, allowing you to return Wormfang Manta from the battlefield to your hand.
2. 2Wormfang Manta's LTB ability triggers, creating an extra turn after this one.
3. 3Activate Scroll of Fate by tapping it, manifesting Wormfang Manta from your hand.
4. 4Pay to turn Wormfang Manta face up.
5. 5Repeat each turn.

Effects

• Infinite turns
• Lock