Team Magma's Aggron - 14/34 - Holo Rare from XY: Double Crisis, available at 401 Games Canada.

• Rarity: Holo Rare
• Finish: Holofoil
• Artist: TOKIYA
• Card Text:
  [1F] Rock Stamp (40x)
  Discard as many Fighting Energy attached to your Pokemon as you like. This attack does 40 times the number of Energy you discarded.
  [1FFF] Rock Tempest (120)
  This attack does 20 damage to each of your opponent's Benched Pokemon that has any damage counters on it. (Don't apply Weakness and Resistance for Benched Pokemon.)