Misty's Staryu is card #92 of 132 in Gym Challenge (2000), a Common illustrated by Ken Sugimori. At about $4.15 it is the #98 most valuable card in the set. In a Gym Challenge booster it turns up about once every 6 packs. It is one of 30 Staryu cards printed so far.
1999Base Set
2000Gym Challenge
2003Skyridge
2008Legends Awakened
2012Next Destinies
2015Primal Clash
2019Team Up
2023151

















See the full Gym Challenge card list
An ungraded Misty's Staryu from Gym Challenge sells for about $4.15. A PSA 10 is worth more, roughly $53.95 by our estimate, and a PSA 9 around $16.60.
It is a Common, and it shows up about once every 6 Gym Challenge packs.
Ken Sugimori drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Gym Challenge 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.