Rocksteady, Crash Courser {4}{G}{G}
Legendary Creature — Rhino Mutant
GreenCommander: legal
Identity
Green
EDHREC rank
#19,290
Cheapest printing
US$0.15
TCGplayer
Printings
1
Rocksteady can't be blocked by more than one creature.
Boars you control can't be blocked by more than one creature.
Forestcycling {2} ({2}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)
Keywords: landcycling, forestcycling, typecycling, cycling
Every printing
highest TCGplayer market first; a card with only a thin single listing shows its low
In short
A Commander deck is a commander and 99 other cards, one copy of each (except basic lands), all inside the commander's colour identity. Paste a full list into the deck price calculator to price it and check it against the format.