Cheapest priced copy (Avatar: The Last Airbender Eternal): $8.49 at Card Kingdom, near mint, their price list as of .
Appa, the Vigilant 
Legendary Creature — Bison Ally · 6/6 · Rare · Avatar: The Last Airbender Eternal · #62
Flying, vigilance
Whenever Appa or another Ally you control enters, creatures you control get +1/+1 and gain flying and vigilance until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $4.49 to $8.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avatar: The Last Airbender Eternal | 62 | Rare | $8.49 | $4.49 |