I am not bothering with hidden power. Don't even suggest it.
Anyways
The trick roomer
Aromatisse @ leftovers
Aroma Veil
Relaxed
252 HP, 128 Def, 128 Sp def(the defensive EVsmay actually be slightly different from this but not much.)
Trick Room
Heal Pulse
Moonblast
Protect/Light screen
Sets...