Koffing is card #94 of 198 in Chilling Reign (2021), a Common illustrated by Aya Kusube. At about $0.22 it is the #206 most valuable card in the set. In a Chilling Reign booster it turns up about once every 9 packs. It is one of 29 Koffing cards printed so far.
1999Base Set
2002Expedition Base Set
2005Deoxys
2009Rising Rivals
2011Call of Legends
2016Evolutions
2021Shining Fates
2025Journey Together

















See the full Chilling Reign card list
An ungraded Koffing from Chilling Reign sells for about $0.22. A PSA 10 is worth more, roughly $0.77 by our estimate, and a PSA 9 around $0.44.
It is a Common, and it shows up about once every 9 Chilling Reign packs.
Aya Kusube 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.