Mysterious Limousine + Rising of the Day + Combat Celebrant + Aurelia, the Warleader

Prerequisites

• An opponent cannot block and kill Aurelia.
• Mysterious Limousine does not have summoning sickness and cannot be blocked and killed by an opponent.
• One of Aurelia or Combat Celebrant must be on the battlefield, with the other exiled by Mysterious Limousine.

Steps

1. 1Declare either Aurelia or Combat Celebrant and Mysterious Limousine as attackers.
2. 2Mysterious Limousine and either Aurelia or Combat Celebrant trigger.
3. 3Resolve the Aurelia or Combat Celebrant trigger, untapping Mysterious Limousine and causing you to get an additional combat phase after this one.
4. 4Resolve the Mysterious Limousine trigger, exiling Aurelia or Combat Celebrant from the battlefield, and then returning Aurelia or Combat Celebrant from exile to the battlefield.
5. 5Repeat each combat phase.

Effects

• Infinite combat phases
• Infinite creature ETB
• Infinite creature LTB
• Infinite mana creatures you control can produce
• Infinite untap of creatures you control