Wormfang Manta, Torpor Orb, and Ilharg, the Raze-Boar

Prerequisites

• Wormfang Manta in hand
• Torpor Orb on the battlefield
• Ilharg, the Raze-Boar on the battlefield
• Ilharg does not have summoning sickness

Steps

1. Attack with Ilharg
2. Ilharg's attack trigger triggers, putting Wormfang Manta onto the battlefield tapped and attacking
3. At the beginning of your end step, Wormfang Manta is returned to your hand
4. This triggers its LTB, granting you an extra turn after this one
5. Repeat for infinite turns

Results

• Infinite turns