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

Groudon @ Leftovers  
Ability: Drought  
EVs: 248 HP / 116 Atk / 64 Def / 80 Spe  
Adamant Nature  
- Bulk Up  
- Precipice Blades  
- Stone Edge  
- Stealth Rock  

Landorus (Landorus-Therian) (M) @ Choice Band  
Ability: Intimidate  
EVs: 244 Atk / 12 Def / 252 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Knock Off  
- Stone Edge  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 176 HP / 200 SpD / 132 Spe  
Timid Nature  
- Dynamax Cannon  
- Light Screen  
- Dragon Tail  
- Recover  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 248 HP / 220 Def / 40 Spe  
Impish Nature  
- Swords Dance  
- Moonlight  
- Earthquake  
- Sunsteel Strike  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 48 HP / 4 Def / 204 SpD / 252 Spe  
Jolly Nature  
- Defog  
- Knock Off  
- Roost  
- Taunt