Games With Gold promotion continues with Magic 2013 - Duels of the Planeswalkers, available now for free to Xbox Live Gold members. The game is normally summoned for $10 and will be available gratis until September 15.
On September 16, Rainbow Six: Vegas will infiltrate the service and be free until the end of the month. Titles previously made available through the Games With Gold program include Assassin's Creed 2, Dead Rising 2 and Fable 3. Halo 3 was announced as part of the program at E3, but has yet to show up.