Sandstone Tar Pit
Land-Swamp Mountain (Rare)

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

Sandstone Tar Pit enters the battlefield tapped unless you sacrifice a multicolored permanent.

RR, Tap: Target creature gains haste until end of turn.

2, Tap: Target land becomes a 3/3 black Wizard creature until end of turn. It's still a land.

Greg Spencer