Restless Reef - #282

Set: The Lost Caverns of Ixalan
Type: Land
Color: Colorless

Restless Reef enters the battlefield tapped.
T: Add U or B.
2UB: Until end of turn, Restless Reef becomes a 4/4 blue and black Shark creature with deathtouch. It's still a land.
Whenever Restless Reef attacks, target player mills four cards.