Misty's Poliwag is card #87 of 132 in Gym Heroes (2000), a Common illustrated by Ken Sugimori. At about $4.10 it is the #98 most valuable card in the set. In a Gym Heroes booster it turns up about once every 6 packs. It is one of 19 Poliwag cards printed so far.
1999Base Set
2000Gym Heroes
2001Neo Discovery
2003Skyridge
2005Unseen Forces
2014Furious Fists
2017Sun & Moon
2022Lost Origin

















See the full Gym Heroes card list
An ungraded Misty's Poliwag from Gym Heroes sells for about $4.10. A PSA 10 is worth more, roughly $53.30 by our estimate, and a PSA 9 around $16.40.
It is a Common, and it shows up about once every 6 Gym Heroes packs.
Ken Sugimori 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.