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 Pokémon.) Shuffle Snow-cloud Castform back into your deck. You can't use more than 1 Temperamental Weather Poké-Power each turn.
Attacks
Flurries
Flip a coin. If heads, the Defending Pokémon is now Paralyzed. If tails, the Defending Pokémon is now Asleep.
50+White Snow
If Magnetic Storm is in play, this attack does 50 damage plus 20 more damage.
How much is Snow-cloud Castform #25/101 worth?
As of November 5, 2026, Snow-cloud Castform #25/101 from Hidden Legends sells for around $10.25 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $5.48 to $379.08 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $164.99, roughly 16.1x the raw price, while a PSA 9 sits near $72.00. 77 copies have been graded to date, and 14% of them came back a 10 — worth knowing before you pay grading fees.
These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.