Well, all the trends and tests will we gone, we will ahev a consistent metagame. Conkeldurr/Roobushin, Reuniclus/Rankurusu, and SS Teams will rule the metagame. Also, Poison Heal Gliscor, Genosect, and Techniloom will be huge threats. There will be less and less hyper offence teams. Also, pokes like Celebi, Azelf, and Gengar will go back up in usage. I also have a feeling that Sun teams will get more popular, with Chlorogrowth Venusaur and Solar Power Charizard. Finally, the use of antileads will go down and we'll start to see bulky leads like Bronzong and Forry come back.