Scrub Sandbar
Land (Rare)

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

B, Tap: Add UU to your mana pool.

U, Tap: Add BB to your mana pool.

2: Scrub Sandbar becomes a 2/2 black Cleric creature until end of turn. It's still a land.

Jason Schuler