Scrub Slagheap
Land-Swamp Mountain (Rare)

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

Scrub Slagheap enters the battlefield tapped.

Tap, Sacrifice a Swamp: Add BB to your mana pool.

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

Ron Schuler