Optimus Prime, Hero // Optimus Prime, Autobot Leader, Luminous Broodmoth, and Krark-Clan Ironworks

Prerequisites

• Optimus Prime, Hero // Optimus Prime, Autobot Leader on the battlefield
• Luminous Broodmoth on the battlefield
• Krark-Clan Ironworks on the battlefield
• It is your turn

Steps

1. Activate Krark-Clan Ironworks by sacrificing Optimus Prime, Hero, adding
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 Krark-Clan Ironworks by sacrificing Optimus Prime, Autobot Leader, adding
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. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana