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

Lapras-Gmax @ Light Clay  
Ability: Water Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Blizzard  
- Thunder  
- Hydro Pump  
- Perish Song  

Eternatus @ Weakness Policy  
Ability: Pressure  
EVs: 200 HP / 252 SpA / 56 Spe  
Modest Nature  
IVs: 0 Atk  
- Agility  
- Dynamax Cannon  
- Flamethrower  
- Substitute  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Swords Dance  
- Behemoth Blade  
- Close Combat  
- Substitute  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Hex  
- Roost  
- Moonblast