Misty's Magikarp is card #88 of 132 in Gym Challenge (2000), a Common illustrated by Ken Sugimori. At about $13.17 it is the #58 most valuable card in the set. In a Gym Challenge booster it turns up about once every 6 packs. It is one of 45 Magikarp cards printed so far.
1999Base Set
2000Team Rocket
2003Skyridge
2006Holon Phantoms
2010HeartGold & SoulSilver
2013Legendary Treasures
2018Dragon Majesty
2021Celebrations: Classic Collection

















See the full Gym Challenge card list
An ungraded Misty's Magikarp from Gym Challenge sells for about $13.17. A PSA 10 is worth more, roughly $171 by our estimate, and a PSA 9 around $52.68.
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.