Snow-cloud Castform - 25/101 - Rare from Ex Hidden Legends, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Sumiyoshi Kizuki
• Card Text:
  Poke-POWER Temperamental Weather
  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.
  [W] Flurries
  Flip a coin. If heads, the Defending Pokemon is now Paralyzed. If tails, the Defending Pokemon is now Asleep.
  [2WW] White Snow (50+)
  If Magnetic Storm is in play, this attack does 50 damage plus 20 more damage.