Sidisi, Regent of the Mire, Sister Hospitaller, Carrion Feeder, and Zealous Conscripts

Prerequisites

• Sidisi, Regent of the Mire on the battlefield
• Sister Hospitaller in the graveyard
• Carrion Feeder on the battlefield
• Zealous Conscripts on the battlefield

Steps

1. Activate Sidisi by tapping it and sacrificing Zealous Conscripts, returning Sister Hospitaller from your graveyard to the battlefield
2. When Sister Hospitaller enters the battlefield, it triggers, returning Zealous Conscripts from your graveyard to the battlefield and causing you to gain 5 life
3. When Zealous Conscripts enters the battlefield, it triggers, untapping Sidisi
4. Activate Carrion Feeder by sacrificing Sister Hospitaller
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite +1/+1 counters on Carrion Feeder