Rayquaza EX - BW47 - Promo from Black & White Promos, available at 401 Games Canada.

• Rarity: Promo
• Finish: Holofoil
• Artist: Eske Yoshinob
• Card Text:
  [1] Celestial Roar
  Discard the top 3 cards of your deck. If any of those cards are Energy cards, attach them to this Pokémon.
  [RL] Dragon Burst (60x)
  Discard all basic Fire Energy or all basic Lightning Energy attached to this Pokémon. This attack does 60 damage times the number of Energy cards you discarded.