Reef of the Dead
Land (Rare)

When Reef of the Dead enters the battlefield, you lose 2 life unless you reveal a Merfolk card from your hand.

1, Tap: Add UU, UB or BB to your mana pool. Reef of the Dead deals 1 damage to you.

BB, Tap, Sacrifice Reef of the Dead: Target creature gets -2/-2 until end of turn.

Steve Pollack