Every Castform Sunny Form card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Castform Sunny Form card is worth
The most valuable Castform Sunny Form on this list is Castform Sunny Form from Surging Sparks at $7.76£5.84€6.83, and the 4 priced copies across 3 sets are worth $15£12€14 together. Most of that sits in a handful of printings: the older the set and the scarcer the print run, the wider the gap to the rest.
Castform Sunny Form is printed in Japanese as well: 6 cards across 4 sets, the most valuable of them Castform Sunny Form from Paradise Dragona at $5.45£4.10€4.80. Switch the list above to Japanese to read those, or to Both to rank the two catalogues against each other.
The highest PSA 10 on record for Castform Sunny Form sold for $109.50£82.41€96.43. reverse holo printings are priced separately from the standard card, because they do not trade at the same money. Rarities here include Illustration Rare.
If you are trying to identify which Castform Sunny Form you have, the set name is printed on the card and the collector number sits in the bottom corner. Open the card here and the page carries every printing of it, the graded prices, and whether grading the copy is worth the fee. Sets to start with: Surging Sparks, Legends Awakened, Chilling Reign.