Flygon - BW53 - Pre-Release Promo from Black & White Promos, available at 401 Games Canada.

• Rarity: Promo
• Finish: Holofoil
• Artist: BERUBURI
• Card Text:
  Ability — Sand Slammer
  At any time between your turns, if this Pokémon is your Active Pokémon, put 1 damage counter on each of your opponent's Pokémon.
  [2GF] Flying Beatdown (80)
  You may discard a Grass Energy and a Fighting Energy attached to this Pokémon. If you do, the Defending Pokémon is now Paralyzed.