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  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 232 HP / 32 Atk / 244 SpD  
Adamant Nature  
- Knock Off  
- Sucker Punch  
- Defog  
- Roost  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 248 HP / 8 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Moonblast  
- Rest  
- Sleep Talk  
- Aromatherapy  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 16 HP / 224 Atk / 36 Def / 232 Spe  
Impish Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Dragon Tail  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 52 Def / 188 SpD / 16 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Toxic Spikes  
- Recover  

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