Sidisi, Regent of the Mire, Sister Hospitaller, Blasting Station, and Zealous Conscripts

Prerequisites

• Sidisi, Regent of the Mire on the battlefield
• Sister Hospitaller in the graveyard
• Blasting Station 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 and Blasting Station trigger
3. Resolve the Blasting Station trigger, untapping it
4. Resolve the Sister Hospitaller trigger, returning Zealous Conscripts from your graveyard to the battlefield and causing you to gain 5 life
5. When Zealous Conscripts enters the battlefield, it and Blasting Station trigger
6. Resolve the Zealous Conscripts trigger, untapping Sidisi
7. Resolve the Blasting Station trigger, untapping it
8. Activate Blasting Station by tapping it and sacrificing Sister Hospitaller
9. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite damage
• Infinite lifegain triggers
• Infinite lifegain