Wormfang Manta + Scroll of Fate + Heidar, Rimewind Master

Prerequisites

• Heidar does not have summoning sickness.
• You control at least four snow permanents.

Steps

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

Effects

• Infinite turns
• Lock