Suncleanser, Luminous Broodmoth, and Bloodthrone Vampire

Prerequisites

• Suncleanser on the battlefield
• Luminous Broodmoth on the battlefield
• Bloodthrone Vampire on the battlefield

Steps

1. Activate Bloodthrone Vampire by sacrificing Suncleanser
2. When Suncleanser dies, Luminous Broodmoth triggers, returning Suncleanser from your graveyard to the battlefield with a flying counter on it
3. When Suncleanser enters the battlefield, it triggers, removing the flying counter from Suncleanser
4. Resolve the Bloodthrone Vampire ability
5. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinitely large creature until end of turn