Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Leech Seed  
- Spikes  
- Knock Off  
- Curse  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 120 Def / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Rest  
- Calm Mind  
- Roar  
- Scald  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Stealth Rock  
- Thunder Wave  
- Iron Head  
- Morning Sun  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 132 HP / 124 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Foul Play  
- Roost  
- Defog  

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

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 240 HP / 176 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Recover  
- Flamethrower  
- Toxic