I'm not much of a competitive battler myself, but I advise checking out some of those 'rental' teams in Pokémon S/M without the Alola variants/Pokémon. Sorry I can't help more...but I guess you could look at MandJTV Pokevids's old teams? I'll look around. #MissingNo
good god i'm talking about the PWT in black 2 and white 2 i fugured you people would know by now... screw Sun and Moon's battle tree