Cheapest priced copy (Avatar: The Last Airbender Eternal): $0.49 at Card Kingdom, near mint, their price list as of .
Fang, Roku's Companion 
Legendary Creature — Dragon · 4/4 · Rare · Avatar: The Last Airbender Eternal · #193
Flying
Whenever Fang attacks, another target legendary creature you control gets +X/+0 until end of turn, where X is Fang's power.
When Fang dies, if he wasn't a Spirit, return this card to the battlefield under your control. He's a Spirit in addition to his other types.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $0.49 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avatar: The Last Airbender Eternal | 115 | Rare | $0.49 | $0.79 |
| Avatar: The Last Airbender Eternal | 193 | Rare | $0.79 | $0.99 |