Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 Atk / 72 SpD / 184 Spe  
Adamant Nature  
- Hone Claws  
- Knock Off  
- Roost  
- Dual Wingbeat  

Kyogre @ Choice Specs  
Ability: Drizzle  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Ice Beam  
- Thunder  

Necrozma-Dusk-Mane @ Lum Berry  
Ability: Prism Armor  
EVs: 132 HP / 252 Atk / 124 Spe  
Adamant Nature  
- Dragon Dance  
- Sunsteel Strike  
- Photon Geyser  
- Moonlight  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Earthquake  
- U-turn  
- Toxic  
- Stealth Rock  

Marshadow @ Spell Tag  
Ability: Technician  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Spectral Thief  
- Close Combat  
- Shadow Sneak  
- Bulk Up  

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