Cheapest priced copy (Avatar: The Last Airbender Eternal): $0.35 at Card Kingdom, near mint, their price list as of .
Hog-Monkey Rampage 
Instant · Uncommon · Avatar: The Last Airbender Eternal · #255
Choose target creature you control and target creature an opponent controls. Put a +1/+1 counter on the creature you control if it has power 4 or greater. Then those creatures fight each other. (Each deals damage equal to its power to the other.)
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avatar: The Last Airbender Eternal | 255 | Uncommon | $0.35 | $0.49 |