Entei is card #H8 of 147 in Aquapolis (2003), a Rare Holo illustrated by Atsuko Nishida. In an Aquapolis booster it turns up about once every 84 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 Aquapolis card list
It is a Rare Holo, and it shows up about once every 84 Aquapolis packs.
Atsuko Nishida drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Aquapolis 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.