Rock/Dark (not for any competitive reason, but for flavor)

Intimidate and Rough Skin in place of Keen Eye and Vital Spirit

Def and Sp. Def to 80 (25 from Sp. Atk)

Hammer Arm and Accelerock over Counter and Reversal (fuck the 'dex, these moves are trash)

Learns Submission at 37 instead of Scary Face

I kept the BST the same. You don't have too.