Vesperlark | Body Double | Blasting Station

Cards

Vesperlark in your graveyard.
Body Double and
Blasting Station on the battlefield (
Body Double as a copy of
Vesperlark).

Activate
Blasting Station by tapping it and sacrificing
Body Double.
When
Body Double leaves the battlefield, its
Vesperlark ability triggers, returning itself from your graveyard to the battlefield as a copy of
Vesperlark.
When
Body Double enters the battlefield,
Blasting Station triggers, untapping itself.
Resolve the
Blasting Station ability from step 1, dealing 1 damage to any target.
Repeat.