Modern is a constructed format and therefore adheres to the following constructed rules:
-Minimum of sixty cards
-No maximum deck size, as long as you can shuffle your deck unassisted
-Up to fifteen cards in your sideboard, if used
With the exception of basic lands (Plains, Island, Swamp, Mountain, and Forest), your combined deck and sideboard may not contain more than four of any individual card, counted by its English card title equivalent.
Check out http://magic.wizards.com/en/game-info/gameplay/formats/modern for a list of playable cards as well as the banned list.
There will a FREE event. There will be a prize pool composed of 1 pack for every 4 players and all participants will recieve an FNM promo card.