What about a defensive perversity set?
Since his stats wont be decreased by your opponents move out side of swagger and flatter.
^^^I think this should be tested, I like the idea but it might be gimmicky.
If your opponent lets you set up, your good.
Generic perversity set plus twister.
When I first saw this guy I expected a Grass Psychic Pokemon, or Grass steel. And even though hes neither of those im suprised he doesnt learn any psychic moves still.
Pokemon Master in White 2. Aiming to demolish 6th gen.