Rain Castform - 26/113 - Rare from Ex Delta Species, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Miki Tanaka
• Card Text:
  Poke-POWER Temperamental Weather
  Once during your turn (before you attack), you may search your deck for Castform, Sunny Castform, or Snow-cloud Castform and switch it with Rain Castform. (Any cards attached to Rain Castform, damage counters, Special Conditions, and effects on it are now on the new Pokemon.) Shuffle Rain Castform back into your deck. You can't use more than 1 Temperamental Weather Poke-Power each turn.
  [3] Holon Splash (30+)
  Does 30 damage plus 10 more damage for each Holon Energy card attached to Rain Castform.