Zekrom @ Choice Band  
Ability: Teravolt  
EVs: 180 Atk / 252 Def / 76 Spe  
Impish Nature  
- Outrage  
- Bolt Strike  
- Scale Shot  
- Body Press  

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

Eternatus @ Shuca Berry  
Ability: Pressure  
EVs: 160 HP / 4 Def / 76 SpA / 144 SpD / 124 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Sludge Bomb  
- Recover  
- Flamethrower  

Necrozma-Dusk-Mane @ Lum Berry  
Ability: Prism Armor  
EVs: 132 HP / 252 Atk / 124 Spe  
Adamant Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Morning Sun  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 136 Def / 104 SpD / 16 Spe  
Impish Nature  
- Stealth Rock  
- Precipice Blades  
- Toxic  
- Heat Crash  

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