Cheapest priced copy (Duel Decks: Venser vs. Koth): $0.49 at Card Kingdom, near mint, their price list as of .
Lithophage 
Creature — Insect · 7/7 · Rare · Mercadian Masques · #202
At the beginning of your upkeep, sacrifice this creature unless you sacrifice a Mountain.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 to $10.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Venser vs. Koth | 57 | Rare | $0.49 | — |
| Mercadian Masques | 202 | Rare | $0.49 | $10.99 |