Golgari Thug, Umbral Collar Zealot, Bolas's Citadel, and Healer of the Pride

Prerequisites

• Golgari Thug on the battlefield
• Umbral Collar Zealot on the battlefield
• Bolas's Citadel on the battlefield
• Healer of the Pride on the battlefield

Steps

1. Activate Umbral Collar Zealot by sacrificing Golgari Thug
2. When Golgari Thug dies, it triggers, putting it from your graveyard onto the top of your library
3. Resolve the Umbral Collar Zealot ability
4. Cast Golgari Thug from the top of your library by paying 2 life
5. When Golgari Thug enters, Healer of the Pride triggers, causing you to gain 2 life
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite storm count
• Infinite surveil 1