Mega Audino looks interesting as a Mega Evolution option. 103/126/126 bulk is alright alongside Calm Mind, Wish, Heal Bell and a bunch of other support moves, and Fairy/Normal typing is nice providing resistances to Dark and Ghost alongside neutrality to Fighting. Healer sucks for singles, but I don't know. I might use it. Mega Diancie has nice bulk and Speed, good offensive and defensive typing alongside moves like Rock Polish & Calm Mind for easy boosting. Mega Latias has insane bulk and now improved power, which makes her amazing at setting up Calm Mind and sweeping. Mega Altaria has the bulk and power but suffers from 4 moveslot syndrome (wants Return, Roost, Refresh, Substitute, Fire Blast and Earthquake all on the same set, alongside maybe Draco Meteor or Dragon Claw). Mega Slowbro is simply amazing, although many people run Iron Defense on it. I'm not in agreement with that. All of these Pokemon are options for my bulky offensive OU team - anyone want me to use one of these in particular? I haven't seen anyone run Audino yet...