Sealeo is card #62 of 123 in Mysterious Treasures (2007), a Uncommon illustrated by Kouki Saitou. At about $2.46 it is the #98 most valuable card in the set. In a Mysterious Treasures booster it turns up about once every 11 packs. It is one of 14 Sealeo cards printed so far.
2004Team Magma vs Team Aqua
2006Legend Maker
2007Power Keepers
2009Rising Rivals
2012Dragons Exalted
2014Flashfire
2015Double Crisis
2021Chilling Reign

















See the full Mysterious Treasures card list
An ungraded Sealeo from Mysterious Treasures sells for about $2.46. A PSA 10 is worth more, roughly $19.68 by our estimate, and a PSA 9 around $6.89.
It is a Uncommon, and it shows up about once every 11 Mysterious Treasures packs.
Kouki Saitou 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.