Cheapest priced copy (Duel Decks: Venser vs. Koth): $0.35 at Card Kingdom, near mint, their price list as of .
Earth Servant 
Creature — Elemental · 4/4 · Uncommon · Magic 2011 · #134
This creature gets +0/+1 for each Mountain you control.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Venser vs. Koth | 60 | Uncommon | $0.35 | — |
| Magic 2011 | 134 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 15 August 2010The ability cares about lands with the land type Mountain, not necessarily lands named Mountain.