Eternatus @ Assault Vest  
Ability: Pressure  
EVs: 58 HP / 56 Def / 248 SpA / 16 SpD / 132 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Sludge Wave  
- Shadow Ball  

Zamazenta @ Light Clay  
Ability: Dauntless Shield  
EVs: 200 HP / 60 Atk / 48 Def / 10 SpD / 192 Spe  
Jolly Nature  
- Close Combat  
- Snarl  
- Reflect  
- Light Screen  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 248 HP / 118 Def / 96 SpA / 48 SpD  
Modest Nature  
IVs: 0 Atk / 29 Spe  
- Dazzling Gleam  
- Flash Cannon  
- Substitute  
- Protect  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 252 HP / 144 Atk / 114 SpD  
Brave Nature  
IVs: 25 Spe  
- Sunsteel Strike  
- Earthquake  
- Photon Geyser  
- Trick Room  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Dark Pulse  
- Hurricane  
- Sucker Punch  
- Protect  

Kyogre @ Life Orb  
Ability: Drizzle  
EVs: 184 HP / 18 Def / 252 SpA / 56 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Thunder  
- Protect