Houndoom ex is card #134 of 197 in Obsidian Flames (2023), a Double Rare illustrated by PLANETA Tsuji. At about $1.07 it is the #39 most valuable card in the set. In an Obsidian Flames booster it turns up about once every 114 packs. It is one of 45 Houndoom cards printed so far.
2001Neo Discovery
2004Team Magma vs Team Aqua
2009Platinum
2012Dragons Exalted
2015BREAKthrough
2019SWSH Black Star Promos
2022Brilliant Stars Trainer Gallery
2023Obsidian Flames

















See the full Obsidian Flames card list
An ungraded Houndoom ex from Obsidian Flames sells for about $1.07. A PSA 10 is worth more, roughly $3.75 by our estimate, and a PSA 9 around $2.14.
It is a Double Rare, and it shows up about once every 114 Obsidian Flames packs.
PLANETA Tsuji drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Obsidian Flames 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.