Magic Online Download
Magic online - client downloads
http://www.wizards.com/default.asp?x=magic/magiconline/modownload
Magic-League.com
Free online magic: the gathering league with tournaments and casual game play with apprentice and magic workstation. magic-league has guides, top decks, online ratings and team play.
http://www.magic-league.com
MTG Online Players Club
MTG Online Players Club
http://home.comcast.net/~adonald1/magic/default.htm