If you want cash in hand today, visiting a or attending a convention like MagicCon is your best bet.

You bring your cards in, a buyer inspects them, and they offer you cash or store credit on the spot.

Selling Magic: The Gathering cards is a balancing act between how much time you want to spend and how much money you want to make. Generally, you can expect to get when selling to stores. Local Options: For Speed and Convenience

Known for fair grading and a very user-friendly buy-list. They are a "go-to" for selling large quantities of singles quickly.

If you have high-value "chase" cards (like a Sheoldred, the Apocalypse or The One Ring ), selling directly to other players will net you the most money—often . Any advice on Magic: The Gathering card value? - Facebook

Offers a "Ship + Sell" program where you can send an unsorted collection and they will grade and price it for you.