River Kelpie is a creature card from the Magic: The Gathering Shadowmoor set, categorized as Unknown rarity. It features a unique blue-green hybrid mana cost, enhancing its versatility in decks focused on manipulation and card draw. Currently valued at $1.57, this card appeals to collectors due to its thematic synergy with the set's focus on hybrid mana and its potential utility in various formats. Grading and sales data indicate steady interest among players and collectors alike.