Mewtwo-Mega-X @ Choice Scarf  
Ability: Shadow Tag  
EVs: 36 HP / 252 Atk / 52 Def / 168 Spe  
Adamant Nature  
- Low Kick  
- Bolt Strike  
- Sacred Fire  
- Gear Grind  

Audino-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Parting Shot  
- Stealth Rock  
- Defog  
- Roost  

Beedrill-Mega (M) @ Black Sludge  
Ability: Wonder Guard  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- U-turn  
- Trick  
- Taunt  
- Gastro Acid  

Beedrill-Mega (M) @ Focus Sash  
Ability: No Guard  
EVs: 12 HP / 244 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Sheer Cold  
- Sing  
- Gastro Acid  
- Mean Look  

Rayquaza-Mega @ Choice Band  
Ability: Mold Breaker  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- Sacred Fire  
- Extreme Speed  
- U-turn  

Gyarados-Mega @ Lum Berry  
Ability: Huge Power  
EVs: 248 HP / 252 Atk / 4 Def / 4 Spe  
Adamant Nature  
- Water Shuriken  
- Knock Off  
- Pursuit  
- Ice Shard