Dreadship Aqueduct
Land-Island Swamp (Rare)

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

Dreadship Aqueduct enters the battlefield tapped unless you pay 3 life.

1U: Dreadship Aqueduct becomes a 1/1 blue and black Wizard Rat creature with flying until end of turn. It's still a land.

Ron Pollack