Stomping Barrens
Land-Swamp Mountain (Rare)

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

Stomping Barrens enters the battlefield tapped unless you sacrifice a monocolored permanent.

R, Tap: Target red creature gets +1/+0 until end of turn.

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

Carl Argyle