Professor Oak's New Theory - 101/123 - Uncommon - Reverse Holo from Heart Gold & Soul Silver (Base Set), available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Reverse Holo
• Artist: Ken Sugimori
• Card Text:
  You can play only one Supporter each turn. When you play this card, put it next to your Active Pokemon. When your turn ends, discard this card.
  Shuffle your hand into your deck. Then, draw 6 cards.