Walrein is card #36 of 111 in Rising Rivals (2009), a Rare illustrated by kawayoo. At about $12.82 it is the #56 most valuable card in the set. In a Rising Rivals booster it turns up about once every 42 packs. It is one of 13 Walrein cards printed so far.
2004Team Magma vs Team Aqua
2006Legend Maker
2009Rising Rivals
2012Dragons Exalted
2014Flashfire
2015Double Crisis
2021Chilling Reign
2024Surging Sparks

















See the full Rising Rivals card list
An ungraded Walrein from Rising Rivals sells for about $12.82. A PSA 10 is worth more, roughly $103 by our estimate, and a PSA 9 around $35.90.
It is a Rare, and it shows up about once every 42 Rising Rivals packs.
kawayoo 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.