Vizier of Remedies + Blasting Station + Trapjaw Kelpie

Vizier of Remedies

Blasting Station

Trapjaw Kelpie

How it works

1. Activate Blasting Station by tapping it and sacrificing Trapjaw Kelpie.
2. When Trapjaw Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Vizier of Remedies.
3. When Trapjaw Kelpie enters, Blasting Station triggers, untapping Blasting Station
4. Resolve the Blasting Station ability from step 1
5. Repeat.