Gloom is card #44 of 165 in 151 (2023), a Uncommon illustrated by Sekio. At about $0.33 it is the #133 most valuable card in the set. In a 151 booster it turns up about once every 19 packs. It is one of 26 Gloom cards printed so far.
1999Jungle
2002Expedition Base Set
2005Unseen Forces
2008Legends Awakened
2015Ancient Origins
2019Unbroken Bonds
2023Obsidian Flames
2024Paldean Fates

















An ungraded Gloom from 151 sells for about $0.33. A PSA 10 is worth more, roughly $1.16 by our estimate, and a PSA 9 around $0.66.
It is a Uncommon, and it shows up about once every 19 151 packs.
Sekio drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open 151 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.