Tentacool is card #77 of 101 in Hidden Legends (2004), a Common illustrated by Hisao Nakamura. At about $20.60 it is the #62 most valuable card in the set. In a Hidden Legends booster it turns up about once every 6 packs. It is one of 16 Tentacool cards printed so far.
1999Fossil
2002Legendary Collection
2003Aquapolis
2004Hidden Legends
2006Legend Maker
2010HS鈥擳riumphant
2017Guardians Rising
2019Unbroken Bonds

















See the full Hidden Legends card list
An ungraded Tentacool from Hidden Legends sells for about $20.60. A PSA 10 is worth more, roughly $268 by our estimate, and a PSA 9 around $82.40.
It is a Common, and it shows up about once every 6 Hidden Legends packs.
Hisao Nakamura drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Hidden Legends 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.