Koffing - 243/236 - Secret Rare from Sun & Moon: Cosmic Eclipse, available at 401 Games Canada.

• Rarity: Secret Rare
• Finish: Holofoil
• Artist: HYOGONOSUKE
• Card Text:
  Ability — Blow-Away Bomb
  Once during your turn (before your attack), if this Pokémon is discarded by the effect of Roxie, put 1 damage counter on each of your opponent's Pokémon. (Apply the effect of Roxie first.)
  [1P] Poison Gas (10)
  Your opponent's Active Pokémon is now Poisoned.