Aron is card #71 of 123 in Mysterious Treasures (2007), a Common illustrated by Yuka Morii. At about $3.91 it is the #74 most valuable card in the set. In a Mysterious Treasures booster it turns up about once every 9 packs. It is one of 23 Aron cards printed so far.
2003Ruby & Sapphire
2006Legend Maker
2007Power Keepers
2009Rising Rivals
2012Dragons Exalted
2015Double Crisis
2019Unbroken Bonds
2021Chilling Reign

















See the full Mysterious Treasures card list
An ungraded Aron from Mysterious Treasures sells for about $3.91. A PSA 10 is worth more, roughly $31.28 by our estimate, and a PSA 9 around $10.95.
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.