Contraire. : I posted an Ambipom set of my own a while back, but mine is obsolete now that all the bulky Psychics it targeted are gone from the tier. I'll give your set a shot, but Ambi can't hurt a lot of bulky mons even at +1.
Cottonee @ Eviolite
Ability: Prankster
EVs: 252 HP / 176 Def / 80...