You need to add a Calm Mind set something like this:
name: Calm Mind
move 1: Calm Mind
move 2: Pain Split
move 3: Shadow Ball
move 4: Ice Beam
nature: Bold
item: Eviolite
EVs: 252 HP / 240 Def / 16 SpD
I have used this and when ever i bring it in everyone thinks it's the Defensive set like...