Entei is card #4 of 132 in Secret Wonders (2007), a Rare Holo illustrated by Ryo Ueda. At about $47.53 it is the #13 most valuable card in the set. In a Secret Wonders booster it turns up about once every 60 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 Secret Wonders card list
An ungraded Entei from Secret Wonders sells for about $47.53. A PSA 10 is worth more, roughly $380 by our estimate, and a PSA 9 around $133.
It is a Rare Holo, and it shows up about once every 60 Secret Wonders packs.
Ryo Ueda drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Secret Wonders 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.