Cheapest priced copy (Zendikar): $0.35 at Card Kingdom, near mint, their price list as of .
Cliff Threader 
Creature — Kor Scout · 2/1 · Common · Zendikar · #7
Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Zendikar | 7 | Common | $0.35 | $0.49 |