Zygarde-Complete @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Strength Sap  
- Shore Up  
- Haze  
- Core Enforcer  

Audino-Mega @ Shed Shell  
Ability: Wonder Guard  
Level: 99  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Shore Up  
- Defog  
- Aromatherapy  
- Parting Shot  

Swampert-Mega @ Lagging Tail  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Will-O-Wisp  
- Shore Up  
- Stealth Rock  
- U-turn  

Mewtwo-Mega-X @ Choice Band  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Photon Geyser  
- Sunsteel Strike  
- Close Combat  
- U-turn  

Heracross-Mega @ Choice Band  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- First Impression  
- V-create  
- Ice Hammer  
- Sunsteel Strike  

Blissey (F) @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Trick  
- Shore Up  
- Perish Song  
- Roar