Misty's Goldeen is card #85 of 132 in Gym Heroes (2000), a Common illustrated by Atsuko Nishida. At about $2.80 it is the #111 most valuable card in the set. In a Gym Heroes booster it turns up about once every 6 packs. It is one of 20 Goldeen cards printed so far.
1999Jungle
2000Gym Heroes
2001Neo Revelation
2003Aquapolis
2007Diamond & Pearl
2015BREAKthrough
2020Sword & Shield
2024Twilight Masquerade

















See the full Gym Heroes card list
An ungraded Misty's Goldeen from Gym Heroes sells for about $2.80. A PSA 10 is worth more, roughly $36.40 by our estimate, and a PSA 9 around $11.20.
It is a Common, and it shows up about once every 6 Gym Heroes packs.
Atsuko Nishida drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Gym Heroes booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.