Brock's Sandslash is card #23 of 132 in Gym Heroes (2000), a Rare illustrated by Ken Sugimori. At about $23.42 it is the #33 most valuable card in the set. In a Gym Heroes booster it turns up about once every 35 packs. It is one of 25 Sandslash cards printed so far.
1999Fossil
2000Gym Heroes
2003Skyridge
2005Delta Species
2010HeartGold & SoulSilver
2015BREAKthrough
2019Unbroken Bonds
2023151

















See the full Gym Heroes card list
An ungraded Brock's Sandslash from Gym Heroes sells for about $23.42. A PSA 10 is worth more, roughly $304 by our estimate, and a PSA 9 around $93.68.
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.