Boiler-Stronghold
Land-Swamp Mountain (Rare)

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

Boiler-Stronghold enters the battlefield tapped unless you pay 2.

RR, Tap: Target red creature gets +1/+1 until end of turn.

BB, Tap, Sacrifice Boiler-Stronghold: Put a -1/-1 counter on target creature.

Steve Deschamps