Trapjaw Kelpie, Luminous Broodmoth, and Ashnod's Altar

Prerequisites

• All permanents on the battlefield

Steps

1. Sacrifice Trapjaw Kelpie to Ashnod's Altar to add
2. Return Trapjaw Kelpie to the battlefield with the persist trigger, giving it a -1/-1 counter
3. Sacrifice Trapjaw Kelpie to Ashnod's Altar to add
4. Return Trapjaw Kelpie to the battlefield with the Luminous Broodmoth trigger, giving it a flying counter
5. Repeat

Results

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