Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 80 HP / 220 Atk / 128 Def / 80 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Dragon Tail  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 48 HP / 4 Def / 204 SpD / 252 Spe  
Jolly Nature  
- Defog  
- Foul Play  
- Roost  
- U-turn  

Kyogre @ Expert Belt  
Ability: Drizzle  
EVs: 152 HP / 252 SpA / 104 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Thunder  
- Thunder Wave  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 176 HP / 200 SpD / 132 Spe  
Timid Nature  
- Dynamax Cannon  
- Light Screen  
- Recover  
- Dragon Tail  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Poltergeist  
- Close Combat  
- Shadow Sneak  
- Rock Tomb  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 240 Def / 16 Spe  
Impish Nature  
- Stealth Rock  
- Iron Head  
- Toxic  
- Morning Sun