as for me id rather run this set:
Mah Set ¬_¬ @ Leftovers
EVs: /252 Atk/4 Def/252 Spe
Nature: Jolly/Adamant
Ability: Skill Link
~Shell Break
~Substitute
~Icicle Spear
~Rock Blast/Shell Blade
i like to run this set with my yawning uxie cause i can trap whatever gets in with sub to fool the enemy...