Groudon ex is card #93 of 101 in Hidden Legends (2004), a Rare Holo EX illustrated by Hikaru Koike. At about $313 it is the #1 most valuable card in the set. In a Hidden Legends booster it turns up about once every 72 packs. It is one of 34 Groudon cards printed so far.
2003Nintendo Black Star Promos
2004Hidden Legends
2005Delta Species
2008Legends Awakened
2012Dark Explorers
2015Double Crisis
2019Cosmic Eclipse
2023Paradox Rift

















See the full Hidden Legends card list
An ungraded Groudon ex from Hidden Legends sells for about $313. A PSA 10 is worth more, roughly $4,069 by our estimate, and a PSA 9 around $1,252.
It is a Rare Holo EX, and it shows up about once every 72 Hidden Legends packs.
Hikaru Koike drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Hidden Legends 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.