Zekrom @ Leftovers  
Ability: Teravolt  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Bolt Strike  
- Dragon Claw  
- Magnet Rise  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 72 SpD / 184 Spe  
Jolly Nature  
- Foul Play  
- Defog  
- Roost  
- Sucker Punch  

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 204 HP / 252 Def / 52 Spe  
Impish Nature  
- Coil  
- Glare  
- Thousand Arrows  
- Rest  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 132 Def / 124 SpD  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Earthquake  
- Moonlight  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 164 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Dynamax Cannon  
- Mystical Fire  
- Recover  

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