Cheapest priced copy (Avatar: The Last Airbender Eternal): $0.69 at Card Kingdom, near mint, their price list as of .
Fire Nation Sentinels 
Creature — Human Soldier · 4/4 · Rare · Avatar: The Last Airbender Eternal · #230
Whenever a nontoken creature an opponent controls dies, put a +1/+1 counter on each creature you control.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.69 to $0.79 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avatar: The Last Airbender Eternal | 230 | Rare | $0.69 | $0.79 |