Solemnity, Luminous Broodmoth, and Fanatical Firebrand

Prerequisites

• Solemnity on the battlefield
• Luminous Broodmoth on the battlefield
• Fanatical Firebrand on the battlefield

Steps

1. Activate Fanatical Firebrand by tapping and sacrificing it
2. When Fanatical Firebrand dies, Luminous Broodmoth triggers, returning Fanatical Firebrand from your graveyard to the battlefield without a flying counter on it due to Solemnity
3. Resolve the Fanatical Firebrand ability
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite damage