Sandslash is card #61 of 123 in Mysterious Treasures (2007), a Uncommon illustrated by Atsuko Nishida. At about $4.82 it is the #70 most valuable card in the set. In a Mysterious Treasures booster it turns up about once every 11 packs. It is one of 25 Sandslash cards printed so far.
1999Fossil
2003Skyridge
2005Delta Species
2007Mysterious Treasures
2010HeartGold & SoulSilver
2015BREAKthrough
2019Unbroken Bonds
2023151

















See the full Mysterious Treasures card list
An ungraded Sandslash from Mysterious Treasures sells for about $4.82. A PSA 10 is worth more, roughly $38.56 by our estimate, and a PSA 9 around $13.50.
It is a Uncommon, and it shows up about once every 11 Mysterious Treasures packs.
Atsuko Nishida drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Mysterious Treasures 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.