Evasion stuff like Double Team/Brightpowder is what would really get me salty tbh.
That and full-on Baton Pass chains, but that would be my own fault for not playing Tapu Fini.
I think between you echo nebbles and slow there will be competitive players about
Don't expect much from me lol. I'm more of a doubles specialist, and I haven't touched a Pokemon game before Moon since OR/AS first came out (quit at Fortree City, only played that far to get the Mega Bracelet lol).