Eternal Scourge, Dollhouse of Horrors, Dross Scorpion, and Ashnod's Altar

Prerequisites

• Eternal Scourge on the battlefield
• Dollhouse of Horrors on the battlefield
• Dross Scorpion on the battlefield
• Ashnod's Altar on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adding
2. Activate Dollhouse of Horrors by paying , tapping it and exiling Eternal Scourge from your graveyard, creating a token copy of it that is a 0/0 Construct artifact creature token
3. Activate Ashnod's Altar by sacrificing the Eternal Scourge token, adding
4. The Eternal Scourge dies, triggering Dross Scorpion, untapping Dollhouse of Horrors
5. Cast Eternal Scourge from exile by paying
6. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count