Like playing Magic The Gathering Online but hate
paying high prices for Digital Cards? Welcome to
XMage. XMage allows you to play every single Magic
card in Magic's history in any format currently
played. All completely free!
All you need is
Java installed. If you do then all you need to do is
to start the install.
XMage Client is running, the connection screen will appear.
Input the server address and port number in the above
screenshot. Then pick a User ID and leave the password
blank. Then click connect and your in.
Full instructions can be found Here