Gastrodon West Sea is card #22 of 111 in Rising Rivals (2009), a Rare illustrated by Kyoko Umemoto. At about $9.41 it is the #61 most valuable card in the set. In a Rising Rivals booster it turns up about once every 42 packs. It is one of 8 Gastrodon cards printed so far.
2007Secret Wonders
2009Rising Rivals
2016Steam Siege
2017Crimson Invasion
2022Lost Origin
2024Surging Sparks

















See the full Rising Rivals card list
An ungraded Gastrodon West Sea from Rising Rivals sells for about $9.41. A PSA 10 is worth more, roughly $75.28 by our estimate, and a PSA 9 around $26.35.
It is a Rare, and it shows up about once every 42 Rising Rivals packs.
Kyoko Umemoto drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Rising Rivals 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.