Nalfeshnee, Eternal Scourge, Ashnod's Altar, and Planar Void

Prerequisites

• Nalfeshnee on the battlefield
• Eternal Scourge on the battlefield
• Ashnod's Altar on the battlefield
• Planar Void on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adding
2. Eternal Scourge dies, triggering Planar Void, exiling Eternal Scourge
3. Cast Eternal Scourge from exile by paying
4. Nalfeshnee triggers, creating a token copy of Eternal Scourge with haste
5. Activate Ashnod's Altar by sacrificing the Eternal Scourge token, adding
6. Repeat

Results

• Infinite colorless mana
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count