Vaporeon GX - SM172 - Promo from Sun & Moon Promos, available at 401 Games Canada.

• Rarity: Promo
• Finish: Holofoil
• Artist: PLANETA Otani
• Card Text:
  Ability — Hydrating Drops
  Once durning your turn (before your attack), you may heal 30 damage from your Active Water Pokémon.
  Pokémon-GX rule — When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.
  [3] Hydro Pump (40+)
  This attack does 30 more damage times the amount of Water Energy attached to this Pokémon.
  [W] Cure Shower GX
  Heal all damage from all of your Water Pokémon. (You can't use more than 1 GX attack in a game.)