Cheapest priced copy (Tenth Edition): $0.35 at Card Kingdom, near mint, their price list as of .
Rock Badger 
Creature — Badger Beast · 3/3 · Common · Tenth Edition · #226
Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tenth Edition | 226 | Common | $0.35 | — |
| Tenth Edition | 226★ | Common | — | $0.49 |
| Mercadian Masques | 210 | Uncommon | $0.35 | $2.99 |