Optimus Prime, Hero // Optimus Prime, Autobot Leader, Luminous Broodmoth, and Phantom Train

Prerequisites

• Optimus Prime, Hero // Optimus Prime, Autobot Leader on the battlefield
• Luminous Broodmoth on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Phantom Train by sacrificing Optimus Prime, Hero
2. When Optimus Prime, Hero dies, its second ability triggers, returning it from your graveyard to the battlefield as Optimus Prime, Autobot Leader
3. Activate Phantom Train by sacrificing Optimus Prime, Autobot Leader
4. When Optimus Prime, Autobot Leader dies, Luminous Broodmoth triggers, returning Optimus Prime from your graveyard to the battlefield as Optimus Prime, Hero with a flying counter on it
5. Resolve both Phantom Train abilities from steps 1 and 3 Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite +1/+1 counters on a creature