Mikaeus, the Unhallowed + Blasting Station + Restless Apparition

Mikaeus, the Unhallowed

Blasting Station

Restless Apparition

How it works

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