Every Friday night from 5pm to close, Games +1 hosts Friday Night Magic events for a variety of formats. All formats are free to play except for the sealed draft. Top players will receive a copy of the current FNM promo card. The following are the supported formats:
You will need a DCI number to play in any of the formats, which you can get at Games +1 or any officially sanctioned tournament. To activate your DCI number if you already have a card, go to the official site and click "Activate DCI Number".
The only other thing you'll need to participate in the FNM events is a deck of cards (or $14 if playing draft.) For more information on the decks needed for each format, please visit the links provided above.