Solemnity, Luminous Broodmoth, and Lena, Selfless Champion

Prerequisites

• Solemnity on the battlefield
• Luminous Broodmoth on the battlefield
• Lena, Selfless Champion on the battlefield

Steps

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

Results

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