Karmic Guide, Sister Hospitaller, and Blasting Station

Prerequisites

• Karmic Guide in hand
• Sister Hospitaller in the graveyard
• Blasting Station on the battlefield
• available

Steps

1. Cast Karmic Guide by paying
2. When Karmic Guide enters, it and Blasting Station trigger, with Karmic Guide targeting Sister Hospitaller
3. Resolve the Blasting Station trigger, untapping it
4. Holding priority, activate Blasting Station by tapping it and sacrificing Karmic Guide
5. Resolve the Karmic Guide ability, returning Sister Hospitaller from your graveyard to the battlefield
6. When Sister Hospitaller enters, it and Blasting Station trigger, with Sister Hospitaller targeting Karmic Guide
7. Resolve the Blasting Station trigger, untapping it
8. Holding priority, activate Blasting Station by tapping it and sacrificing Sister Hospitaller
9. Resolve the Sister Hospitaller ability, returning Karmic Guide from your graveyard to the battlefield and causing you to gain 5 life
10. Repeat from step 2

Results

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