Mire-works
Land-Island Swamp (Rare)

(Tap: Add U or B to your mana pool.)

Whenever Mire-works becomes tapped, it deals 1 damage to you.

2, Tap: Target land becomes a 3/3 black Skeleton creature until end of turn. It's still a land.

1, Tap: Target land becomes a 2/2 blue Faerie creature until end of turn. It's still a land.

Lars Prescott