Slakoth is card #99 of 123 in Mysterious Treasures (2007), a Common illustrated by Yuka Morii. At about $9.49 it is the #39 most valuable card in the set. In a Mysterious Treasures booster it turns up about once every 9 packs. It is one of 15 Slakoth cards printed so far.
2003Ruby & Sapphire
2005Deoxys
2007Power Keepers
2009Platinum
2012Dragons Exalted
2018Celestial Storm
2019Unified Minds
2023Paldea Evolved

















See the full Mysterious Treasures card list
An ungraded Slakoth from Mysterious Treasures sells for about $9.49. A PSA 10 is worth more, roughly $75.92 by our estimate, and a PSA 9 around $26.57.
It is a Common, and it shows up about once every 9 Mysterious Treasures packs.
Yuka Morii 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.