Your search for "Firebending Student 139" revealed the following:
Firebending Student (Foil) (TLA) from Avatar: The Last Airbender, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Kozato Card Text:Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)Firebending X, where X is...
Firebending Student - Buy-a-Box Promo (Foil) (TLA) from Avatar: The Last Airbender, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Airi Yoshihisa Card Text:Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)Firebending...
Firebending Student (TLA) from Avatar: The Last Airbender, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Kozato Card Text:Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)Firebending X, where X is this...
Firebending Student - Prerelease Promo (Foil) (PTLA) from Avatar: The Last Airbender, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Kozato Card Text:Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)Firebending X,...
Firebending Student - Elemental Frame Showcase (TLA) from Avatar: The Last Airbender, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Ina Wong Card Text:ProwessFirebending X, where X is this creature's power.