Seadra is card #58 of 147 in Aquapolis (2003), a Uncommon illustrated by Mitsuhiro Arita. At about $53.50 it is the #96 most valuable card in the set. In an Aquapolis booster it turns up about once every 20 packs. It is one of 22 Seadra cards printed so far.
1999Fossil
2002Legendary Collection
2003Aquapolis
2004Team Rocket Returns
2008Legends Awakened
2015Primal Clash
2018Dragon Majesty
2022Lost Origin

















See the full Aquapolis card list
An ungraded Seadra from Aquapolis sells for about $53.50. A PSA 10 is worth more, roughly $696 by our estimate, and a PSA 9 around $214.
It is a Uncommon, and it shows up about once every 20 Aquapolis packs.
Mitsuhiro Arita 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.