Sulfurous Oasis
Land-Swamp Forest (Rare)

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

Sulfurous Oasis enters the battlefield tapped unless you sacrifice an artifact land.

BB, Tap, Sacrifice Sulfurous Oasis: Put a -1/-1 counter on target creature.

2GG, Tap: Put a 2/2 green Bear creature token onto the battlefield.

Rebecca Moeller