Brock's Rhyhorn is card #22 of 132 in Gym Heroes (2000), a Rare illustrated by Ken Sugimori. At about $20.67 it is the #34 most valuable card in the set. In a Gym Heroes booster it turns up about once every 35 packs. It is one of 26 Rhyhorn cards printed so far.
1999Jungle
2000Gym Heroes
2002Legendary Collection
2005Emerald
2009Supreme Victors
2015Primal Clash
2017Burning Shadows
2022Lost Origin

















See the full Gym Heroes card list
An ungraded Brock's Rhyhorn from Gym Heroes sells for about $20.67. A PSA 10 is worth more, roughly $269 by our estimate, and a PSA 9 around $82.68.
It is a Rare, and it shows up about once every 35 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.