Eternal Scourge, Curse of Clinging Webs, and Ashnod's Altar

Prerequisites

• Eternal Scourge on the battlefield
• Curse of Clinging Webs on the battlefield
• Ashnod's Altar on the battlefield
• Curse of Clinging Webs attached to yourself

Steps

1. Activate Ashnod's Altar by sacrificing Eternal Scourge, adding
2. Curse of Clinging Webs triggers, exiling Eternal Scourge and creating a 1/2 Spider token with reach
3. Activate Ashnod's Altar by sacrificing the Spider token, adding
4. Cast Eternal Scourge from exile by paying
5. Repeat

Results

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