Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Assurance  
- Wild Charge  
- Play Rough  
- Close Combat  

Quagsire @ Heavy-Duty Boots  
Ability: Unaware  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Earthquake  
- Recover  
- Scald  
- Curse  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Spikes  
- Leech Seed  
- Knock Off  
- Power Whip  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 172 HP / 244 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Flamethrower  
- Toxic  
- Recover  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Aromatherapy  
- Rest  
- Sleep Talk  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 72 SpD / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Foul Play  
- Defog  
- Snarl  
- Roost