Magic - The Gathering

MTG Salvation - Spoiler lists, decks, strategy, and discussions.
http://mtgsalvation.com/

Pojo's Magic The Gathering - Deck building ideas, single card tips, and featured writers.
http://www.pojo.com/magic/

MtG Paradise - Articles, decks and news. Based in Australia and New Zealand.
http://www.mtgparadise.com/

CCG MTG Online - News, chat, links, and an on-line magic league.
http://www.geocities.com/ccgmtg/

MiseTings.Com - Features humorous articles, pictures, quotes, links, and forums.
http://misetings.com/

Magic: the Gathering Zone - News, decks, strategy, articles, combos, and forums.
http://www.mtgzone.com/

MTGnews.com - News, rumors, articles, card search, spoiler lists, and a forum.
http://www.mtgnews.com/

MTG Combos - Search engine for the latest card combinations.
http://www.mtgcombos.com

TCGplayer.com - Provides articles, news, strategy, deck reports, and a card price guide.
http://www.brainburst.com/

MTG Universe - Magic: the Gathering Forum
http://mtguniverse.net

Essential Magic - Card search engine, deck builder, and collection tracking site. Includes cardsets, forums, and rules.
http://www.essentialmagic.com/

Derick's Magic: the Gathering - Contains forums, combos, decks, lists, prices, rules, top cards, and webrings.
http://www.dericksmagic.com/

Austrian Magic Area - A site dedicated to Magic: the Gathering players in Austria and neighbouring countries. Information about tournaments, teams, and metagame. [German/English]
http://www.austrian-magic.at/

Mana Nation - Weekly video podcast, opionions and forums.
http://www.mananation.com

kragstad.com - Current news, decks, art, spoilers, downloads and links.
http://www.kragstad.com/

Black Border - Strategy guides and price lists.
http://www.blackborder.com

Firebirdmagic.com - Deck building tips, decklists and reviews on single cards as well as expansions. [Atom]
http://www.firebirdmagic.com