Landorus (M) @ Life Orb  
Ability: Sheer Force  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Earth Power  
- Rock Slide  
- Block  
- Superpower  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 252 HP / 72 SpD / 184 Spe  
Timid Nature  
- U-turn  
- Roost  
- Foul Play  
- Defog  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Moonlight  
- Thunder Wave  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 160 HP / 252 SpD / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Cosmic Power  
- Recover  
- Dragon Pulse  
- Meteor Beam  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 204 Def / 56 SpD  
Impish Nature  
- Thunder Wave  
- Sacred Fire  
- Whirlwind  
- Defog  

Xerneas @ Air Balloon  
Ability: Fairy Aura  
EVs: 72 HP / 252 Def / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Aromatherapy  
- Rest  
- Sleep Talk