Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Liquidation  
- Earthquake  
- Thunder Wave  
- Brick Break  

Lunala @ Heavy-Duty Boots  
Ability: Shadow Shield  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Roost  
- Hex  
- Ice Beam  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Knock Off  
- Morning Sun  
- Stealth Rock  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Atk / 252 SpD  
Sassy Nature  
IVs: 25 Spe  
- Defog  
- Knock Off  
- U-turn  
- Roost  

Rayquaza-Mega @ Life Orb  
Ability: Air Lock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- Dragon Dance  
- Earthquake  
- Extreme Speed  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Hidden Power [Fire]