Sister Hospitaller, Blasting Station, and Lumbering Battlement

Prerequisites

• Sister Hospitaller in hand
• Blasting Station on the battlefield
• Lumbering Battlement in the graveyard
• available

Steps

1. Cast Sister Hospitaller by paying
2. When Sister Hospitaller enters, it and Blasting Station trigger
3. Resolve the Blasting Station trigger, untapping it
4. Resolve the Sister Hospitaller trigger, returning Lumbering Battlement from your graveyard to the battlefield and causing you to gain life equal to its mana value
5. When Lumbering Battlement enters, it and Blasting Station trigger
6. Resolve the Blasting Station trigger, untapping it
7. Resolve the Lumbering Battlement trigger, exiling Sister Hospitaller until Lumbering Battlement leaves the battlefield
8. Activate Blasting Station by tapping it and sacrificing Lumbering Battlement
9. When Lumbering Battlement leaves the battlefield, Sister Hospitaller is returned from exile to the battlefield
10. Repeat from step 2
11. Resolve all Blasting Station abilities

Results

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