Tentacruel is card #24 of 145 in Guardians Rising (2017), a Uncommon illustrated by Masakazu Fukuda. At about $0.34 it is the #150 most valuable card in the set. In a Guardians Rising booster it turns up about once every 13 packs. It is one of 16 Tentacruel cards printed so far.
1999Fossil
2001Southern Islands
2003Aquapolis
2006Legend Maker
2008Legends Awakened
2015Primal Clash
2017Guardians Rising
2019Unbroken Bonds

















See the full Guardians Rising card list
An ungraded Tentacruel from Guardians Rising sells for about $0.34. A PSA 10 is worth more, roughly $1.70 by our estimate, and a PSA 9 around $0.78.
It is a Uncommon, and it shows up about once every 13 Guardians Rising packs.
Masakazu Fukuda drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Guardians Rising 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.