Riptide Biologist is a foil card from the Onslaught set of Magic: The Gathering, categorized as an Unknown rarity. Known for its unique abilities that synergize with tribal strategies, this card currently holds a market value of $0.40. Collectors often appreciate its foil treatment, which enhances its visual appeal, although its low price reflects its limited competitive play in contemporary formats. Grading data suggests stable interest among casual players and collectors alike.