Entei is card #30 of 197 in Obsidian Flames (2023), a Rare illustrated by toriyufu. At about $0.18 it is the #211 most valuable card in the set. In an Obsidian Flames booster it turns up about once every 14 packs. It is one of 33 Entei cards printed so far.
1999Wizards Black Star Promos
2003Aquapolis
2007Secret Wonders
2011Call of Legends
2017Shining Legends
2019Cosmic Eclipse
2023Crown Zenith
2026Ascended Heroes

















See the full Obsidian Flames card list
An ungraded Entei from Obsidian Flames sells for about $0.18. A PSA 10 is worth more, roughly $0.63 by our estimate, and a PSA 9 around $0.36.
It is a Rare, and it shows up about once every 14 Obsidian Flames packs.
toriyufu 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.