Luminous Broodmoth, Solemnity, and Altar of Dementia

Prerequisites

• Luminous Broodmoth on the battlefield
• Solemnity on the battlefield
• Altar of Dementia on the battlefield
• You control at least one additional nontoken creature that does not have flying

Steps

1. Activate Altar of Dementia by sacrificing the additional creature
2. When the creature dies, Luminous Broodmoth triggers, returning the creature to the battlefield from your graveyard with zero flying counters due to Solemnity
3. Resolve the Altar of Dementia ability from step 1, causing target player to mill cards equal to the sacrificed creature's power
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mill
• Infinite sacrifice triggers
• Infinite self-mill