The DeckList for Magic: The Gathering was developed to be an extension for Magic: The Gathering websites that would allow players to create new cards, or build on their existing lists, without leaving the website. It was developed to be a handy tool for building lists for tournaments.

The DeckList extension is very easy to use and will add cards to your lists quickly and easily. It is compatible with the websites for Magic: The Gathering, Magic: The Gathering Duel Links, Magic: The Gathering Voice, Magic: The Gathering EDHRec, and Magic: The Gathering Mythic.

The DeckList extension supports two modes, which will allow you to build your lists either by browsing the cards at a website or by downloading an a.txt file to your computer and then copying it to the clipboard.

When you are browsing at a website, you can browse your own lists or those on the website you are visiting. When you are downloading a file to your computer, you can choose to browse through your own lists or a list on a website.