Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 224 Def / 32 Spe  
Impish Nature  
- Stealth Rock  
- Toxic  
- Iron Head  
- Moonlight  

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Haze  
- Trick  
- Aromatherapy  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 200 HP / 248 Def / 60 Spe  
Impish Nature  
- Thousand Arrows  
- Rest  
- Sleep Talk  
- Coil  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 248 HP / 128 SpD / 132 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Toxic  
- Dynamax Cannon  
- Light Screen  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 220 Def / 36 SpD  
Bold Nature  
- Calm Mind  
- Scald  
- Ice Beam  
- Rest  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 60 SpD / 192 Spe  
Jolly Nature  
- Defog  
- Knock Off  
- Roost  
- Taunt