Magearna @ Life Orb  
Ability: Soul-Heart  
EVs: 48 Def / 252 SpA / 208 Spe  
Modest Nature  
IVs: 0 Atk  
- Shift Gear  
- Fleur Cannon  
- Flash Cannon  
- Thunderbolt  

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

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bulk Up  
- Poltergeist  
- Close Combat  
- Shadow Sneak  

Mewtwo @ Life Orb  
Ability: Pressure  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Fire Blast  
- Nasty Plot  
- Aura Sphere  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 88 HP / 252 Atk / 168 Spe  
Jolly Nature  
- Swords Dance  
- Autotomize  
- Photon Geyser  
- Earthquake  

Eternatus @ Life Orb  
Ability: Pressure  
EVs: 52 Def / 252 SpA / 204 Spe  
Modest Nature  
IVs: 0 Atk  
- Agility  
- Dynamax Cannon  
- Flamethrower  
- Recover