We have a LOT of options for places/times to participate in the Khans of Tarkir prerelease this weekend, so let's get right to it:
Saturday, 12am (Midnight Release event!)
Want to know more about the event and Khans of Tarkir in general? Well, head over to this article at Wizard.com. It should bring you up to speed as to the particulars of this event which looks to be something a bit different.