Once during your turn (before your attack), you may search your deck for Sunny Castform, Rain Castform, or Snow-cloud Castform and switch it with Castform. (Any cards attached to Castform, damage counters, Special Conditions, and effects on it are now on the new Pokémon.) Shuffle Castform back into your deck. You can't use more than 1 Temperamental Weather Poké-Power each turn.
Attacks
Forecast
Search your deck for a Stadium card and play it. Shuffle your deck afterward.
20+Extra Ball
If the Defending Pokémon is Pokémon-ex, this attack does 20 damage plus 20 more damage.
How much is Castform #30/101 worth?
Castform #30/101 is a Uncommon card from Hidden Legends (2004) — today it trades at roughly $3.18 ungraded. Across the 2 printings we track, copies run anywhere from $1.95 to $168.18 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $187.00, roughly 58.8x the raw price, while a PSA 9 sits near $156.24. 89 copies have been graded to date, and 11% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Castform has moved over time.