The Arena Pass realm is up! To access it, just log into WoW and go to the switch servers screen. There should be a new tab on the bottom that says "Tournament".
It will still be about two weeks until the matches played with your team will count towards the number required to be eligible for Murkimus. Now's a good time to get your team started and become acquainted with your team's play style and schedule.
Here's a reminder of important dates for the Arena Pass.
I can't wait to get my 50 games in! Win or lose, Murkimus shall be mine. :D