Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 248 HP / 228 Def / 32 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Sleep Talk  
- Rest  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 252 HP / 40 SpD / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Cosmic Power  
- Meteor Beam  
- Dragon Pulse  
- Recover  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Pulse  
- Oblivion Wing  
- Taunt  
- Heat Wave  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 224 Def / 32 Spe  
Impish Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Moonlight  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 200 Def / 44 SpD / 16 Spe  
Impish Nature  
- Sacred Fire  
- Thunder Wave  
- Defog  
- Whirlwind  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 96 HP / 216 Atk / 84 SpD / 112 Spe  
Adamant Nature  
- Behemoth Blade  
- Wild Charge  
- Close Combat  
- Crunch