Blasting Station, Sister Hospitaller, and Fiend Hunter

Prerequisites

• Blasting Station on the battlefield
• Sister Hospitaller on the battlefield
• Fiend Hunter in hand
• available

Steps

1. Cast Fiend Hunter by paying its mana cost
2. When Fiend Hunter enters, its first ability and Blasting Station trigger
3. Resolve the Fiend Hunter trigger, exiling Sister Hospitaller
4. Resolve the Blasting Station trigger, untapping it
5. Activate Blasting Station by tapping it and sacrificing Fiend Hunter
6. When Fiend Hunter dies, its second ability triggers, returning Sister Hospitaller from exile to the battlefield
7. When Sister Hospitaller enters, it and Blasting Station trigger
8. Resolve the Blasting Station trigger, untapping it
9. Resolve the Sister Hospitaller trigger, returning Fiend Hunter from your graveyard to the battlefield
10. Repeat steps 2 through 4 one additional time
11. Resolve the Blasting Station ability from step 5
12. Repeat from step 5

Results

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