Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 240 HP / 12 Def / 24 SpA / 232 Spe  
Timid Nature  
IVs: 0 Atk  
- Hyper Beam  
- Will-O-Wisp  
- Hyper Voice  
- Calm Mind  

Slowbro-Mega @ Slowbronite  
Ability: Oblivious  
EVs: 248 HP / 96 Def / 164 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Slack Off  
- Iron Defense  
- Scald  

Meloetta @ Choice Specs  
Ability: Serene Grace  
EVs: 252 HP / 108 Def / 88 SpA / 44 SpD / 16 Spe  
Modest Nature  
IVs: 1 Atk  
- Hyper Beam  
- Uproar  
- Shadow Ball  
- Hidden Power [Fire]