Deathly Springs
Land-Swamp Mountain (Rare)

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

Deathly Springs enters the battlefield tapped unless you pay 2.

BB, Tap, Sacrifice Deathly Springs: Put a -1/-1 counter on target creature.

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

Jason Myrfors