Once during your turn(before you attack), you may search your deck for Castform, Rain Castform, or Sunny Castform and switch it with Snow-cloud Castform.(Any cards attached to Snow-cloud Castform, damage counters, Special Conditions, and effects on it are now on the new Pokemon.)Shuffle Snow-cloud Castform back into your deck. You can't use more than 1 Temperamental Weather Poke-Power each turn.

• Holon Blizzard

  20

  If Snow-cloud Castform has any Holon Energy attached to it, this attack does 10 damage for each of your opponent's Benched Pokemon.(Don't apply Weakness and Resistance for Benched Pokemon.)