Eternatus @ Life Orb  
Ability: Pressure  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Recover  
- Meteor Beam  

Yveltal @ Choice Band  
Ability: Dark Aura  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Knock Off  
- Dual Wingbeat  
- U-turn  
- Defog  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
- Sunsteel Strike  
- Earthquake  
- Stealth Rock  
- Morning Sun  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Shadow Sneak  
- Poltergeist  
- Close Combat  
- Bulk Up  

Zygarde @ Life Orb  
Ability: Power Construct  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Thousand Arrows  
- Outrage  
- Stone Edge  

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