Koffing is card #28 of 68 in Hidden Fates (2019), a Common illustrated by Saya Tsuruta. At about $0.36 it is the #58 most valuable card in the set. In a Hidden Fates booster it turns up about once every 3 packs. It is one of 29 Koffing cards printed so far.
1999Base Set
2002Expedition Base Set
2005Deoxys
2009Rising Rivals
2011Call of Legends
2016Evolutions
2019Cosmic Eclipse
2021Shining Fates

















See the full Hidden Fates card list
An ungraded Koffing from Hidden Fates sells for about $0.36. A PSA 10 is worth more, roughly $1.80 by our estimate, and a PSA 9 around $0.83.
It is a Common, and it shows up about once every 3 Hidden Fates packs.
Saya Tsuruta drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Hidden Fates 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.