I like Narset, got me one to test it out. I am not sure if I will swing for a play set for budget reasons. There is an 'instants and sorceries in graveyard' theme in some of the Origins cards that have been previewed, and I like the Origins Jace. I also completed my allied color fetchlands.
Ephara and Ojutai's Command try out deck
http://mtgadventures.blogspot.com/2015/06/standard-ephara-and-ojutais-command-try.html
Narset try out
http://mtgadventures.blogspot.com/2015/06/standard-narset-try-out.html
Narset try out Take Two
http://mtgadventures.blogspot.com/2015/06/standard-narset-try-out-take-two.html
Blue Black flyers
http://mtgadventures.blogspot.com/2015/07/standard-blue-black-flyers.html