Mewtwo-Mega-X @ Choice Scarf  
Ability: Shadow Tag  
EVs: 44 HP / 252 Atk / 44 Def / 4 SpA / 164 Spe  
Naughty Nature  
- Steam Eruption  
- Ice Punch  
- Low Kick  
- Dragon Ascent  

Deoxys-Attack @ Leftovers  
Ability: Wonder Guard  
EVs: 252 SpA / 252 Spe  
Hasty Nature  
IVs: 0 Def  
- Gastro Acid  
- Psystrike  
- Substitute  
- Baton Pass  

Audino-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Parting Shot  
- Defog  
- Chatter  
- Roost  

Rayquaza-Mega @ Choice Specs  
Ability: Mold Breaker  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Chatter  
- Oblivion Wing  
- Spacial Rend  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 4 SpD / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Encore  
- Toxic  
- Curse  
- Roost  

Blissey (F) @ Safety Goggles  
Ability: Wonder Guard  
EVs: 252 HP / 136 Def / 120 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Whirlwind  
- Recover  
- Baton Pass  
- Aromatherapy