Rainbow Energy - 104/123 - Uncommon - Reverse Holo from Heart Gold & Soul Silver (Base Set), available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Reverse Holo
• Artist: Kent Kanetsuna
• Card Text:
  Attach Rainbow Energy to 1 of your Pokemon. While in play, Rainbow Energy provides every type of Energy but provides only 1 Energy at a time. (Has no effect other than providing energy.) When you attach this card from your hand to 1 of your Pokemon, put 1 damage counter on that Pokemon. (While not in play, Rainbow Energy counts a C Energy.)