Pikachu @ Light Ball  
Ability: Imposter  
- Bolt Beak  

Wobbuffet @ Toxic Orb  
Ability: Imposter  
IVs: 0 Atk  
- Trick  

Eternatus @ Choice Specs  
Ability: Tinted Lens  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Blue Flare  
- Trick  
- Recover  

Zamazenta-Crowned @ Rusted Shield  
Ability: Ice Scales  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Teleport  
- Recover  
- Low Kick  
- Spectral Thief  

Reshiram @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Substitute  
- Baton Pass  
- Lava Plume  
- King's Shield  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Primordial Sea  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
IVs: 0 SpA  
- Shift Gear  
- Fishious Rend  
- Photon Geyser  
- Strength Sap