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

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 244 Def / 12 Spe  
Impish Nature  
- Stealth Rock  
- Morning Sun  
- Sunsteel Strike  
- Earthquake  

Groudon @ Lum Berry  
Ability: Drought  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Precipice Blades  
- Aerial Ace  
- Stone Edge  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 56 SpD / 196 Spe  
Jolly Nature  
- Defog  
- Foul Play  
- Roost  
- U-turn  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 176 HP / 236 SpD / 96 Spe  
Timid Nature  
- Recover  
- Mystical Fire  
- Dragon Tail  
- Toxic

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 240 HP / 208 Def / 60 Spe  
Impish Nature  
- Coil  
- Thousand Arrows
- Dragon Tail
- Rest