Xerneas @ Leftovers  
Ability: Wonder Guard  
EVs: 152 HP / 48 Def / 252 SpA / 48 SpD / 8 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Moonblast  
- Spikes  
- Baton Pass  

Rayquaza-Mega @ Sky Plate  
Ability: Gale Wings  
Shiny: Yes  
EVs: 248 Def / 252 SpA / 8 Spe  
Modest Nature  
IVs: 0 Atk  
- Chatter  
- Oblivion Wing  
- King's Shield  
- Taunt  

Rayquaza-Mega @ Shed Shell  
Ability: Mold Breaker  
Shiny: Yes  
EVs: 68 Def / 252 SpA / 176 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Shell Smash  
- Oblivion Wing  
- Dark Void  

Scizor-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Recover  
- Defog  
- Aromatherapy  
- Parting Shot  

Aegislash @ Leftovers  
Ability: Magic Bounce  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Curse  
- Recover  
- Baton Pass  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Wish  
- Toxic Spikes  
- Whirlwind  
- Parting Shot