Sacred Reef
Land-Plains Island (Rare)

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

When Sacred Reef enters the battlefield, you lose 1 life unless you reveal a multicolored card from your hand.

W, Tap, Sacrifice Sacred Reef: Prevent all combat damage that would be dealt this turn.

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

Carl Chan