Mysterious Limousine, Fear of Missing Out, Combat Celebrant, and Tuktuk Rubblefort

Prerequisites

• Mysterious Limousine on the battlefield
• Fear of Missing Out on the battlefield or in exile
• Combat Celebrant on the battlefield or in exile
• Tuktuk Rubblefort on the battlefield
• Fear of Missing Out cannot be blocked and killed by an opponent
• Mysterious Limousine does not have summoning sickness and cannot be blocked and killed by an opponent
• One of Fear of Missing Out or Combat Celebrant must be on the battlefield, with the other exiled by Mysterious Limousine

Steps

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

Results

• Infinite self-discard triggers
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite LTB
• Infinite rummaging
• Near-infinite combat phases
• Near-infinite untap of creatures you control
• Near-infinite mana creatures you control can produce