Kyogre @ Lum Berry / Life Orb / Choice Specs 
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature / Modest Nature 
IVs: 0 Atk  
- Calm Mind / Water Spout  
- Origin Pulse  
- Ice Beam  
- Thunder/ Thunder Wave

Necrozma-Dusk-Mane @ Rocky Helmet  or Leftovers
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  or EVs: 252 HP / 224 Def / 32 Spe or EVs: 252 HP / 124 Def / 132 Spe 
Impish Nature  
- Stealth Rock / Dragon Dance 
- Sunsteel Strike  
- Earthquake/ Thunder Wave / Stone Edge / Knock Off
- Morning Sun  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  or EVs: 96 HP / 216 Atk / 84 SpD / 112 Spe  
Adamant Nature / Jolly Nature
- Behemoth Blade  
- Wild Charge  
- Close Combat  
- Protect/ Assurance  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 SpD / 252 Spe  
Jolly Nature  
- U-turn/ Knock Off  
- Defog  
- Roost  
- Foul Play  

Eternatus @ Yache Berry / Haban Berry / Shuca Berry
Ability: Pressure  
EVs: 252 HP / 156 SpD / 100 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Mystical Fire  
- Toxic  
- Recover  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Poltergeist/ Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Ice Punch/ Bulk Up