Aggron is card #111 of 198 in Chilling Reign (2021), a Rare illustrated by Teeziro. At about $0.35 it is the #125 most valuable card in the set. In a Chilling Reign booster it turns up about once every 35 packs. It is one of 24 Aggron cards printed so far.
2003Ruby & Sapphire
2006Crystal Guardians
2009Rising Rivals
2012Dragons Exalted
2017Crimson Invasion
2020Darkness Ablaze
2021Chilling Reign
2022Brilliant Stars

















See the full Chilling Reign card list
An ungraded Aggron from Chilling Reign sells for about $0.35. A PSA 10 is worth more, roughly $1.22 by our estimate, and a PSA 9 around $0.70.
It is a Rare, and it shows up about once every 35 Chilling Reign packs.
Teeziro drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Chilling Reign 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.