Cheapest priced copy (The Brothers' War): $0.35 at Card Kingdom, near mint, their price list as of .
Sardian Cliffstomper 
Creature — Minotaur Barbarian · 0/4 · Uncommon · The Brothers' War · #151
As long as it's your turn and you control four or more Mountains, this creature gets +X/+0, where X is the number of Mountains you control.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The Brothers' War | 151 | Uncommon | $0.35 | $0.49 |
| The Brothers' War | 383 | Uncommon | $0.35 | $0.49 |