Cheapest priced copy (Outlaws of Thunder Junction): $0.35 at Card Kingdom, near mint, their price list as of .
Frontier Seeker 
Creature — Human Scout · 2/1 · Uncommon · Outlaws of Thunder Junction · #368
When this creature enters, look at the top five cards of your library. You may reveal a Mount creature card or a Plains card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Outlaws of Thunder Junction | 13 | Uncommon | $0.35 | $0.49 |
| Outlaws of Thunder Junction | 368 | Uncommon | $0.35 | $0.49 |