Mguard Defensive (Clefable) @ Leftovers  / Rocky Helmet / Sticky Barb
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  OR 252 HP / 200 Def / 56 SpD
Bold Nature  
- Moonblast  
- Soft-Boiled  
- Knock Off / Thunder Wave / Trick / Wish / Healing Wish / Encore
- Stealth Rock / Thunder Wave / Trick / Wish / Healing Wish / Encore

Una Defensive (Clefable) @ Leftovers / Heavy-Duty Boots
Ability: Unaware  
EVs: 252 HP / 244 Def / 12 Spe  
Bold Nature  
- Moonblast  
- Calm Mind  
- Soft-Boiled  
- Aromatherapy / Flamethrower

Calm Mind (Clefable) @ Life Orb / Leftovers
Ability: Magic Guard  
EVs: 252 HP / 196 Def / 60 Spe  
Bold Nature  
- Moonblast  
- Calm Mind  
- Soft-Boiled  
- Thunderbolt / Thunder / Flamethrower / Thunder Wave