Melira, Sylvok Outcast + Blasting Station + Wingrattle Scarecrow

Melira, Sylvok Outcast

Blasting Station

Wingrattle Scarecrow

How it works

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