Eternatus @ Poison Barb  
Ability: Pressure  
EVs: 164 HP / 100 SpA / 112 SpD / 132 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Flamethrower  
- Recover  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 248 HP / 220 Def / 40 Spe  
Bold Nature  
IVs: 0 Atk  
- Roar  
- Sleep Talk  
- Scald  
- Rest  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 240 Def / 16 Spe  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Earthquake  
- Morning Sun  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 48 HP / 164 Def / 252 SpA / 44 Spe  
Modest Nature  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 96 HP / 160 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- U-turn  
- Roost  
- Defog  

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Astral Barrage  
- Psyshock  
- Trick  
- Aromatherapy