Warthog

Creature — Boar3/2$0.13

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Legal in Commander

Is

Commanders whose abilities work with this card and share its colors, from what the cards do.

Rocksteady, Crash CourserWarthog is a Boar, which Rocksteady, Crash Courser can use.