Underground Sea is a Rare Magic: The Gathering card from the Unlimited Edition set (card #N/A). Its current market price is $1,207.15, placing it among the higher-value cards collectors chase.
As of the latest update, Underground Sea carries a market value of about $1,207.15. Depending on condition and printing, recent prices range from around $799.99 (Damaged) up to $1,207.15 for a Moderately Played copy. Over the past week the price has held steady, and it has been relatively flat over the last month.
A few things drive what Underground Sea sells for:
Underground Sea has been holding a steady price, making it easier to gauge a fair deal whether you're buying or selling. Either way, a local card shop can give you an in-hand assessment, and our buying & selling guide covers how to get a fair price.