Blasting Station + Sister Hospitaller + Wormfang Drake

Blasting Station

Sister Hospitaller

Wormfang Drake

How it works

1. Cast Wormfang Drake by paying its mana cost.
2. When Wormfang Drake enters, its first ability and Blasting Station trigger.
3. Resolve the Wormfang Drake trigger, exiling Sister Hospitaller.
4. Resolve the Blasting Station trigger, untapping it.
5. Activate Blasting Station by tapping it and sacrificing Wormfang Drake.
6. When Wormfang Drake 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 Wormfang Drake from your graveyard to the battlefield.
10. Repeat steps 2 through 4 once.
11. Resolve the Blasting Station ability from step 5.
12. Repeat from step 5.