Havengul Lich, Ashnod's Altar, and Ornithopter

Prerequisites

• Havengul Lich on the battlefield
• Ashnod's Altar on the battlefield
• Ornithopter on the battlefield

Steps

1. Activate Ashnod's Altar by sacrificing Ornithopter, adding
2. Activate Havengul Lich by paying , targeting Ornithopter
3. Cast Ornithopter from graveyard by paying
4. Repeat

Results

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