Landorus-Therian (M) @ Leftovers  
Ability: Intimidate  
EVs: 252 HP / 244 Def / 12 Spe  
Impish Nature  
- Toxic  
- Earthquake  
- Stealth Rock  
- U-turn  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Swords Dance  
- Sunsteel Strike  
- Knock Off  
- Moonlight  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 168 HP / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 180 SpD / 80 Spe  
Careful Nature  
- Defog  
- Roost  
- Snarl  
- Knock Off  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 252 HP / 216 SpD / 40 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Mystical Fire  
- Toxic  
- Recover