Horsea is card #29 of 147 in Burning Shadows (2017), a Common illustrated by Saya Tsuruta. At about $0.52 it is the #87 most valuable card in the set. In a Burning Shadows booster it turns up about once every 7 packs. It is one of 28 Horsea cards printed so far.
1999Fossil
2003Aquapolis
2006Holon Phantoms
2010HS—Unleashed
2015Primal Clash
2017Burning Shadows
2018Dragon Majesty
2022Lost Origin

















See the full Burning Shadows card list
An ungraded Horsea from Burning Shadows sells for about $0.52. A PSA 10 is worth more, roughly $2.60 by our estimate, and a PSA 9 around $1.20.
It is a Common, and it shows up about once every 7 Burning Shadows packs.
Saya Tsuruta drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Burning Shadows 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.