Gardevoir @ Choice Scarf  
Ability: Trace  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Psyshock  
- Trick
- Healing Wish / Will-O-Wisp

Gardevoir @ Choice Specs
Ability: Trace  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Psyshock  
- Shadow Ball
- Focus Blast / Trick