Calyrex-Shadow @ Buginium Z  
Ability: As One (Spectrier)  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Astral Barrage  
- Pollen Puff  
- Baton Pass  

Eternatus @ Life Orb  
Ability: Pressure  
EVs: 120 HP / 252 SpA / 136 Spe  
Modest Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Flamethrower  
- Recover  
- Dynamax Cannon  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Foul Play  
- Roost  
- Toxic  
- Defog  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 248 HP / 148 Def / 104 SpD / 8 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Dragon Tail  
- Toxic  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Recover  
- Earth Power  
- Judgment  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 30 Atk  
- Transform