Eternal Scourge, Ashnod's Altar, Planar Void, and Pitiless Plunderer

Prerequisites

• Eternal Scourge on the battlefield
• Ashnod's Altar on the battlefield
• Planar Void on the battlefield
• Pitiless Plunderer on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adding
2. When Eternal Scourge dies, Pitiless Plunderer and Planar Void trigger
3. Resolve the Pitiless Plunderer trigger, creating a Treasure artifact token
4. Resolve the Planar Void trigger, exiling Eternal Scourge from your graveyard
5. Activate the Treasure by tapping and sacrificing it, adding
6. Cast Eternal Scourge from exile by paying
7. Repeat

Results

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