Flareon GX - SM171 - Promo from Sun & Moon Promos, available at 401 Games Canada.

• Rarity: Promo
• Finish: Holofoil
• Artist: PLANETA Otani
• Card Text:
  Pokémon-GX rule — When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
  [R] Heat Stage (30)
  You may attach up to 3 Fire Energy cards from your hand to your Pokémon in any way you like.
  [1RR] Bright Flame (190)
  Discard 2 Fire Energy from this Pokémon.
  [R] Power Burner GX (20x)
  This attack does 20 damage for each Fire Energy card in your discard pile. (You can't use more than 1 GX attack in a game.)