Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight + Blasting Station + Howlgeist

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

Blasting Station

Howlgeist

How it works

1. Activate Blasting Station by tapping it and sacrificing Howlgeist
2. When Howlgeist dies, its undying ability triggers, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
3. When Howlgeist enters, Blasting Station triggers, untapping Blasting Station.
4. Activate Blasting Station by tapping it and sacrificing Howlgeist
5. When Howlgeist dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
6. When Howlgeist enters, Blasting Station triggers, untapping Blasting Station.
7. Resolve the Blasting Station abilities from step 1 and 4.
8. Repeat.