Luminous Broodmoth, Solemnity, and Kroxa, Titan of Death's Hunger

Prerequisites

• Luminous Broodmoth on the battlefield
• Solemnity on the battlefield
• Kroxa, Titan of Death's Hunger in hand
• available

Steps

1. Cast Kroxa by paying
2. When Kroxa enters the battlefield, its first and second abilities trigger
3. Resolve the second Kroxa trigger, causing each opponent to discard a card and then lose 3 life if they didn't discard a nonland card
4. Resolve the first Kroxa trigger, causing you to sacrifice it
5. When Kroxa dies, Luminous Broodmoth triggers, returning Kroxa from your graveyard to the battlefield without a flying counter on it due to Solemnity
6. Repeat from step 2

Results

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