One of the most popular sites for checking the price of Magic: The Gathering cards is MTGPrice.com. MTGPrice.com uses an algorithm to discover what it calls the fair trade price.
Many websites provide prices for Magic: The Gathering cards. TCGPlayer.com gathers prices from approximately 75 vendors. MTGGoldfish offers the opportunity to compare online prices with paper prices. Beckett Media is a well-established magazine publisher and card-grading service that provides prices online. Another way to find prices for Magic: The Gathering cards online is to check eBay. Sold listings on eBay show the current true market value of cards by displaying the prices at which they actually sell.