Yarus, Roar of the Old Gods, Ashcloud Phoenix, and Bloodthrone Vampire

Prerequisites

• Yarus, Roar of the Old Gods on the battlefield
• Ashcloud Phoenix on the battlefield
• Bloodthrone Vampire on the battlefield

Steps

1. Activate Bloodthrone Vampire by sacrificing Ashcloud Phoenix
2. When Ashcloud Phoenix dies, its first ability triggers, returning it from your graveyard to the battlefield face-down
3. Resolve the Bloodthrone Vampire ability Activate Bloodthrone Vampire by sacrificing Ashcloud Phoenix
4. Yarus' second ability triggers, returning Ashcloud Phoenix from your graveyard to the battlefield face down, and then turning it face up
5. Ashcloud Phoenix's second ability triggers, dealing 2 damage to each player
6. Resolve the Bloodthrone Vampire ability Repeat

Results

• Near-infinite creature ETB
• Near-infinite creature LTB
• Near-infinite creature sacrifice triggers
• Near-infinite damage to all players
• Near-infinite death triggers
• Near-infinitely large creature until end of turn