Island Barrens
Land-Island Swamp (Rare)

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

When Island Barrens enters the battlefield, return a land you control to its owner's hand.

U, Tap, Sacrifice Island Barrens: Return target creature you control to its owner's hand.

BB, Tap, Sacrifice Island Barrens: Put a -1/-1 counter on target creature.

Lars Deschamps