Eternatus @ Shuca Berry  
Ability: Pressure  
EVs: 248 HP / 204 SpD / 56 Spe  
Calm Nature  
IVs: 0 Atk  
- Toxic  
- Toxic Spikes  
- Recover  
- Dynamax Cannon  

Arceus-Steel @ Iron Plate  
Ability: Multitype  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Calm Mind  
- Thunder  
- Recover  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Foul Play  
- Toxic  
- Defog  
- Roost  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 236 HP / 240 Def / 32 Spe  
Impish Nature  
- Sunsteel Strike  
- Stealth Rock  
- Moonlight  
- Earthquake  

Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 248 HP / 136 Def / 124 Spe  
Bold Nature  
IVs: 0 Atk  
- Earth Power  
- Recover  
- Whirlpool  
- Perish Song  

Marshadow @ Choice Band  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Poltergeist  
- Spectral Thief  
- Close Combat  
- Shadow Sneak