From Judge Wiki
International Magic Judge Feeds
Twitter feed MagicJudges http://twitter.com/MagicJudges (managed by Stefan Ladstätter & Bryan Prillaman)
Twitter feed MTGRulesTips http://twitter.com/MTGRulesTips (managed by Jason Lemahieu and Chris Richter)
Twitter feed SCGJudge http://twitter.com/SCGJudge (managed by Nicholas Sabin and Tasha Jamison)
Official Magic Feeds
http://twitter.com/dailymtg - Official Wizards Twitter Feed
http://twitter.com/magicprotour - Tweets from Grands Prix and Pro Tours
http://twitter.com/NorrYtt - Ken Nagle
http://twitter.com/mtgaaron - Aaron Forsythe
http://twitter.com/maro254 - Mark Rosewater
http://twitter.com/montykins - Monty Ashley
http://twitter.com/TabkRules - Matt Tabak
Other Magic Feeds
tbd
