Yanmega - XY144 - Pre-Release Promo from XY Promos, available at 401 Games Canada.

• Rarity: Promo
• Finish: Holofoil
• Artist: Midori Harada
• Card Text:
  Ability — Sonic Vision
  If you have exactly 4 cards in your hand, ignore all Energy in the attack cost of each of this Pokemon's attacks.
  [3] Assault Boom (50+)
  IF your opponent's Active Pokemon has a Pokemon Tool card attached to it, this attack does 70 more damage.