Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Blasting Station + Strangleroot Geist

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

Blasting Station

Strangleroot Geist

How it works

1. Activate Blasting Station by tapping it and sacrificing Strangleroot Geist
2. When Strangleroot Geist dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. When Strangleroot Geist enters, Blasting Station triggers, untapping Blasting Station.
4. Resolve the Blasting Station ability from step 1.
5. Activate Blasting Station by tapping it and sacrificing Strangleroot Geist
6. When Strangleroot Geist dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
7. Strangleroot Geist enters and dies as a state-based action due to having 0 toughness. Its undying ability and Blasting Station trigger.
8. Resolve the undying trigger, returning Strangleroot Geist from your graveyard to the battlefield with a +1/+1 counter on it.
9. When Strangleroot Geist enters, Blasting Station triggers. Resolve both triggers from this step and step 7, untapping Blasting Station.
10. Resolve the Blasting Station ability from step 5.
11. Repeat from step 5.