Sister Hospitaller, Blasting Station, and Hostage Taker

Prerequisites

• Sister Hospitaller in hand
• Blasting Station on the battlefield
• Hostage Taker 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 Hostage Taker from your graveyard to the battlefield and causing you to gain life equal to its mana value
5. When Hostage Taker enters, it and Blasting Station trigger
6. Resolve the Blasting Station trigger, untapping it
7. Resolve the Hostage Taker trigger, exiling Sister Hospitaller until Hostage Taker leaves the battlefield
8. Activate Blasting Station by tapping it and sacrificing Hostage Taker
9. When Hostage Taker 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