Eternatus @ Expert Belt  
Ability: Pressure  
EVs: 228 HP / 36 Def / 68 SpA / 52 SpD / 124 Spe  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Mystical Fire  
- Sludge Bomb  
- Recover  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 8 Def / 60 SpD / 192 Spe  
Jolly Nature  
- Defog  
- Knock Off  
- Roost  
- U-turn  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 248 HP / 200 Def / 60 Spe  
Impish Nature  
- Dragon Dance  
- Sunsteel Strike  
- Morning Sun  
- Earthquake  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Body Press  
- Leech Seed  
- Iron Defense  
- Stealth Rock  

Groudon @ Life Orb  
Ability: Drought  
EVs: 100 HP / 252 Atk / 156 Spe  
Adamant Nature  
- Swords Dance  
- Precipice Blades  
- Stone Edge  
- Rock Polish  

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