Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 128 HP / 196 SpD / 184 Spe  
Careful Nature  
- Knock Off  
- U-turn  
- Defog  
- Roost  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 248 HP / 64 Def / 172 SpD / 24 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Meteor Beam  
- Cosmic Power  
- Recover  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 212 SpD / 44 Spe  
Careful Nature  
- Iron Head  
- Thunder Wave  
- Stealth Rock  
- Moonlight  

Magnezone @ Leftovers  
Ability: Magnet Pull  
EVs: 252 HP / 68 Def / 188 Spe  
Timid Nature  
IVs: 0 Atk  
- Discharge  
- Body Press  
- Iron Defense  
- Mimic  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 112 HP / 48 Def / 252 SpA / 96 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Focus Blast  
- Geomancy  
- Aromatherapy  

Kyurem-Black @ Heavy-Duty Boots  
Ability: Teravolt  
EVs: 40 HP / 252 Atk / 216 Spe  
Jolly Nature  
- Dragon Dance  
- Icicle Spear  
- Outrage  
- Roost