A Basic Pokemon Card of type Water with the title Snow-cloud Castform and 70 HP of rarity Rare from the set Delta Species.  It has the attack Holon Blizzard with the cost Water, Colorless, the energy cost 2 and the damage of 20 with the description: If Snow-cloud Castform has any Holon Energy cards attached to it, this attack does 10 damage to each of your opponent's Benched Pokemon. (Don't apply Weakness and Resistance for Benched Pokemon.) It has the ability Temperamental Weather with the description: Once during your turn (before your 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. It has weakness against Metal 2. 
Snow-cloud Castform