Cresselia @ Psychium Z  
Ability: Levitate  
EVs: 252 HP / 68 Def / 64 SpA / 124 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Reflect  
- Moonlight  
- Psychic

Cresselia (F) @ Iapapa Berry  
Ability: Levitate  
EVs: 208 HP / 212 Def / 16 SpD / 72 Spe  
Calm Nature  
IVs: 0 Atk  
- Calm Mind  
- Reflect  
- Moonlight  
- Psyshock