Havengul Lich, Phyrexian Altar, and Phyrexian Walker

Prerequisites

• Havengul Lich on the battlefield
• Phyrexian Altar on the battlefield
• Phyrexian Walker on the battlefield

Steps

1. Activate Phyrexian Altar by sacrificing Phyrexian Walker, adding one mana of any color
2. Activate Havengul Lich by paying , targeting Phyrexian Walker
3. Cast Phyrexian Walker from graveyard by paying
4. Repeat

Results

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