Every Fomantis card we price, most valuable first. Prices are what copies actually sold for, updated daily.
What a Fomantis card is worth
The most valuable Fomantis on this list is Fomantis from SM - Unified Minds at $4.06£3.06€3.58, and the 6 priced copies across 5 sets are worth $7£6€7 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.
Fomantis is printed in Japanese as well: 11 cards across 10 sets, the most valuable of them Fomantis from Tag Team GX Premium Trainer Box at $7.69£5.79€6.77. 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 Fomantis sold for $22£16.56€19.37. 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 Fomantis 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: SM - Unified Minds, Pitch Black, SM Base Set.