Cauldron of Souls, Dross Scorpion, Arcbound Ravager, and Forsaken Monument

Prerequisites

• Cauldron of Souls on the battlefield
• Dross Scorpion on the battlefield
• Arcbound Ravager on the battlefield
• Forsaken Monument on the battlefield

Steps

1. Activate Cauldron of Souls by tapping it, giving Arcbound Ravager persist until end of turn
2. Activate Arcbound Ravager by sacrifcing itself
3. The Arcbound Ravager ability fails to resolve due to Arcbound Ravager no longer being on the battlefield
4. Arcbound Ravager dies, triggering its persist ability and Dross Scorpion
5. Resolve the Arcbound Ravager trigger, returning it to the battlefield with zero +1/+1 counters due to its modular ability
6. Resolve the Dross Scorpion trigger, untapping Cauldron of Souls
7. Repeat

Results

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