Waterveil Catacombs
Land-Island Swamp (Rare)

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

When Waterveil Catacombs enters the battlefield, you lose 2 life unless you reveal an artifact land card from your hand.

When Waterveil Catacombs enters the battlefield, put a -1/-1 counter on target land.

Douglas Briclot