Solemnity, Luminous Broodmoth, and Blood Vassal

Prerequisites

• Solemnity on the battlefield
• Luminous Broodmoth on the battlefield
• Blood Vassal on the battlefield

Steps

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

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite black mana