Wormfang Manta + Scroll of Fate + Roaring Primadox

Prerequisites

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Steps

1. 1At the beginning of your upkeep, Roaring Primadox triggers, returning 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