Seaking is card #21 of 131 in Prismatic Evolutions (2025), a Uncommon. At about $0.25 it is the #103 most valuable card in the set. In a Prismatic Evolutions booster it turns up about once every 10 packs. It is one of 16 Seaking cards printed so far.
1999Jungle
2001Neo Revelation
2005Deoxys
2009Supreme Victors
2015BREAKthrough
2020Sword & Shield
2024Twilight Masquerade
2025Prismatic Evolutions

















See the full Prismatic Evolutions card list
An ungraded Seaking from Prismatic Evolutions sells for about $0.25. A PSA 10 is worth more, roughly $0.88 by our estimate, and a PSA 9 around $0.50.
It is a Uncommon, and it shows up about once every 10 Prismatic Evolutions packs.
Yes, as a digital simulator. Holobrook lets you open Prismatic Evolutions 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.