Mew @ Choice Scarf  
Ability: Synchronize  
EVs: 236 HP / 20 Def / 252 Spe  
Jolly Nature  
- Trick  
- Thunder Wave  
- Taunt  
- U-turn  

Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Crunch  
- Earthquake  
- Taunt  

Serperior @ Light Clay  
Ability: Contrary  
EVs: 200 HP / 44 Def / 12 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Light Screen  
- Reflect  
- Leaf Storm  
- Glare  

Bisharp @ Black Glasses  
Ability: Defiant  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Knock Off  
- Swords Dance  
- Iron Head  
- Sucker Punch  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 252 HP / 8 Atk / 44 Def / 132 SpD / 72 Spe  
Adamant Nature  
- Stealth Rock  
- Earthquake  
- Explosion  
- U-turn  

Zygarde @ Lum Berry  
Ability: Aura Break  
EVs: 104 HP / 224 Atk / 180 Spe  
Adamant Nature  
- Dragon Dance  
- Extreme Speed  
- Earthquake  
- Outrage