Mew @ Weakness Policy  
Ability: Synchronize  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Fire Blast  
- Nasty Plot  
- Rock Polish  

Tapu Koko @ Light Clay  
Ability: Electric Surge  
EVs: 248 HP / 8 Atk / 252 Spe  
Jolly Nature  
- Taunt  
- Reflect  
- Light Screen  
- U-turn  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shift Gear  
- Calm Mind  
- Fleur Cannon  
- Focus Blast  

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

Landorus-Therian @ Focus Sash  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Explosion  
- Rock Tomb  

Hawlucha (M) @ Electric Seed  
Ability: Unburden  
EVs: 96 HP / 252 Atk / 36 SpD / 124 Spe  
Adamant Nature  
- Acrobatics  
- Swords Dance  
- High Jump Kick  
- Roost