Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
Reverse Holofoil · PSA 10 price history$299.99
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-07-07
Reverse Holofoil
PSA70 graded · 4 gem 10
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CGC41 graded · 7 gem 10
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Population data from PriceCharting, updated monthly.
Abilities
Temperamental Weather
Once during your turn (before your attack), you may search your deck for Castform, Rain Castform, or Snow-cloud Castform and switch it with Sunny Castform. (Any cards attached to Sunny Castform, damage counters, Special Conditions, and effects on it are now on the new Pokémon.) Shuffle Sunny Castform back into your deck. You can't use more than 1 Temperamental Weather Poké-Power each turn.
Attacks
Sunshine
Search your discard pile for a Stadium card, show it to your opponent, and put it into your hand.
40Sunburn
If High Pressure System is in play, the Defending Pokémon is now Burned.
How much is Sunny Castform #26/101 worth?
A raw copy of Sunny Castform #26/101 (Hidden Legends, 2004) is worth about $5.48 right now, based on the latest market data from August 14, 2026. Across the 2 printings we track, copies run anywhere from $2.49 to $320.00 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $31.39, roughly 5.7x the raw price, while a PSA 9 sits near $29.19. 70 copies have been graded to date, and 6% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.
Hidden Legends · #26/101 · Rare · 2004
