I have the reaver and undead lists that made it to the finals at the big tournament
Mind to share a link to those? I saw them somewhere but struggle to find them now...
It seemed to me that the Orruk-cards are pretty strong the way they come out of the expansion-box. Just smash stuff, ignore objectives and get points. There may be more nuanced tactics for Orruks, but I'll try them that way first.