Slaking is card #13 of 108 in Power Keepers (2007), a Rare Holo illustrated by Midori Harada. At about $8.20 it is the #80 most valuable card in the set. In a Power Keepers booster it turns up about once every 58 packs. It is one of 16 Slaking cards printed so far.
2003Ruby & Sapphire
2007Power Keepers
2009Platinum
2014Furious Fists
2018Celestial Storm
2021Evolving Skies
2022Pokémon GO
2024Surging Sparks

















See the full Power Keepers card list
An ungraded Slaking from Power Keepers sells for about $8.20. A PSA 10 is worth more, roughly $65.60 by our estimate, and a PSA 9 around $22.96.
It is a Rare Holo, and it shows up about once every 58 Power Keepers packs.
Midori Harada drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Power Keepers 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.