I also feel entry hazards play a HUGE role this gen.
Which is why Tyranitar and Excadrill are so epic, since between them, pretty much no Ghost can stop you from spinning. Giratina-O is sent to hell with Tyranitar if it lacks Earthquake or Aura Sphere (Even then, Tyranitar can survive and Crunch it for massive damage, while Giratina and Ghost Arceus cannot stop Excadrill from killing them in time for a spin (Giratina is 2HKOed by +2 EQ, IIRC, even with the burn, while Ghost Arceus is straight up OHKOed).
Whatevs sig. QC member for OU and Ubers, VM me for a look at your analysis. Just make sure it's good.
Also, if you want me to rate your team (OU/DW OU/Ubers), give me a VM. If I don't rate it, it's either 1) it's so shit it's too much trouble, 2) I'm busy, or 3) the team is fantastic and I have nothing I can suggest to you. You should be able to recognise which one.