Cheapest priced copy (Avatar: The Last Airbender Eternal): $14.99 at Card Kingdom, near mint, their price list as of .
Avatar Roku, Firebender 
Legendary Creature — Human Avatar · 6/6 · Mythic · Avatar: The Last Airbender Eternal · #112
Whenever a player attacks, add six {R}. Until end of combat, you don't lose this mana as steps end.
{R}{R}{R}: Target creature gets +3/+0 until end of turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
2 printings · $14.99 to $21.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avatar: The Last Airbender Eternal | 112 | Mythic | $14.99 | $16.99 |
| Avatar: The Last Airbender Eternal | 191 | Mythic | $21.99 | $16.99 |