Slowking @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 136 Def / 120 SpD  
Calm Nature  
IVs: 0 Atk  
- Future Sight  
- Slack Off  
- Scald  
- Teleport  

Urshifu @ Choice Band  
Ability: Unseen Fist  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Wicked Blow  
- Close Combat  
- U-turn  
- Sucker Punch  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 SpD / 4 Spe  
Careful Nature  
- Sunsteel Strike  
- Moonlight  
- Knock Off  
- Stealth Rock  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 200 HP / 8 Def / 48 SpD / 252 Spe  
Jolly Nature  
- Foul Play  
- Roost  
- U-turn  
- Defog  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 144 HP / 20 SpA / 252 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Recover  
- Meteor Beam  
- Cosmic Power  

Xerneas @ Air Balloon  
Ability: Fairy Aura  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Aromatherapy  
- Moonblast  
- Rest  
- Sleep Talk