Mixed Clefairy (Clefairy) @ Eviolite  
Ability: Magic Guard  
EVs: 252 HP / 140 Def / 116 SpD  
Bold Nature  
IVs: 0 Atk  
- Seismic Toss / Moonblast  
- Soft-Boiled  
- Trick  
- Encore / Thunder Wave / Toxic  

Wish (Clefairy) @ Eviolite  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Wish  
- Moonblast / Seismic Toss  
- Soft-Boiled  
- Trick  

Credit to Beauts for ev spread (Clefairy) @ Eviolite  
Ability: Magic Guard  
EVs: 252 HP / 96 Def / 160 SpD  
Calm Nature  
IVs: 0 Atk  
- Cosmic Power  
- Stored Power  
- Soft-Boiled  
- Seismic Toss  

Calm Mind aka repeated set (Clefairy) @ Eviolite  
Ability: Magic Guard  
EVs: 252 HP / 200 Def / 56 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Moonblast  
- Soft-Boiled  
- Trick / Stealth Rock