Havengul Lich, Phyrexian Altar, and Shield Sphere

Prerequisites

• Havengul Lich on the battlefield
• Phyrexian Altar on the battlefield
• Shield Sphere on the battlefield

Steps

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

Results

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