Karmic Guide + Sister Hospitaller + Altar of Dementia

Karmic Guide

Sister Hospitaller

Altar of Dementia

How it works

1. Cast Karmic Guide by paying 3.
2. When Karmic Guide enters, it triggers, targeting Sister Hospitaller.
3. Holding priority, activate Altar of Dementia by sacrificing Karmic Guide.
4. Resolve the Karmic Guide ability, returning Sister Hospitaller from your graveyard to the battlefield.
5. When Sister Hospitaller enters, it triggers, targeting Karmic Guide.
6. Holding priority, activate Altar of Dementia by sacrificing Sister Hospitaller.
7. Resolve the Sister Hospitaller ability, returning Karmic Guide from your graveyard to the battlefield and causing you to gain 5 life.
8. Repeat from step 2.