Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Trick  
- Aromatherapy  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 4 Def / 232 SpD / 20 Spe  
Calm Nature  
IVs: 0 Atk  
- Rest  
- Calm Mind  
- Surf  
- Thunder Wave  

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
- Earthquake  
- Grass Knot  
- Stun Spore  
- Knock Off  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 248 HP / 252 SpD / 8 Spe  
Adamant Nature  
- Iron Head  
- Morning Sun  
- Thunder Wave  
- Stealth Rock  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 200 HP / 12 Def / 48 SpD / 248 Spe  
Jolly Nature  
- Knock Off  
- Roost  
- U-turn  
- Defog  

Eternatus @ Sitrus Berry  
Ability: Pressure  
EVs: 164 HP / 252 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Recover  
- Flamethrower  
- Toxic