Gyarados-Mega (M) @ Gyaradosite  
Ability: Intimidate  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Waterfall  
- Crunch  
- Substitute  

Hawlucha (M) @ Electric Seed  
Ability: Unburden  
EVs: 96 HP / 252 Atk / 36 SpD / 124 Spe  
Adamant Nature  
- Swords Dance  
- Close Combat  
- Acrobatics  
- Substitute  

Mew @ Red Card  
Ability: Synchronize  
Shiny: Yes  
EVs: 252 HP / 4 Atk / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Spikes  
- Taunt  
- Explosion  

Serperior (F) @ Leftovers  
Ability: Contrary  
Shiny: Yes  
EVs: 56 HP / 200 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Hidden Power [Fire]  
- Substitute  
- Glare  

Tapu Koko @ Light Clay  
Ability: Electric Surge  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
- Reflect  
- Light Screen  
- Dazzling Gleam  
- Volt Switch  

Volcarona (F) @ Psychium Z  
Ability: Flame Body  
Shiny: Yes  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Psychic