Cheapest priced copy (Oath of the Gatewatch): $0.35 at Card Kingdom, near mint, their price list as of .
Baloth Pup 
Creature — Beast · 3/1 · Uncommon · Oath of the Gatewatch · #127
This creature has trample as long as it has a +1/+1 counter on it.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Oath of the Gatewatch | 127 | Uncommon | $0.35 | $0.49 |