Ariados - 15/123 - Rare from Heart Gold & Soul Silver (Base Set), available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Ken Sugimori
• Card Text:
  [1G] Leech Life (30) Remove from Ariados the number of damage counters equal to the damage you did to the Defending Pokemon.
  [2G] Poisonous Saliva (50)