Solemnity, Luminous Broodmoth, and Fleshbag Marauder

Prerequisites

• Solemnity on the battlefield
• Luminous Broodmoth on the battlefield
• Fleshbag Marauder in hand
• available

Steps

1. Cast Fleshbag Marauder by paying
2. When Fleshbag Marauder enters, it triggers, causing you to sacrifice Fleshbag Marauder and each other player to sacrifice a creature
3. When Fleshbag Marauder dies, Luminous Broodmoth triggers, returning Fleshbag Marauder from your graveyard to the battlefield without a flying counter on it due to Solemnity
4. Repeat from step 2

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite creature sacrifice triggers
• Each opponent sacrifices all creatures they control