Rayquaza-Mega @ Icicle Plate  
Ability: Mold Breaker  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 30 HP / 0 Atk  
- Quiver Dance  
- Oblivion Wing  
- Judgment  
- Taunt  

Celesteela @ Lagging Tail  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
IVs: 30 HP  
- Baton Pass  
- Spectral Thief  
- Roost  
- Trick  

Audino-Mega @ Safety Goggles  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpD  
Sassy Nature  
IVs: 30 HP / 0 Spe  
- Defog  
- Aromatherapy  
- Heal Order  
- U-turn  

Slowbro-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 30 HP / 0 Atk / 0 Spe  
- Milk Drink  
- Toxic Spikes  
- Whirlwind  
- Parting Shot  

Zygarde-Complete @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 30 HP / 0 Atk / 0 Spe  
- Recover  
- Encore  
- Destiny Bond  
- U-turn  

Diancie-Mega @ Pixie Plate  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
IVs: 30 HP  
- Fake Out  
- Extreme Speed  
- Sunsteel Strike  
- Stealth Rock