Kartana @ Life Orb  
Ability: Beast Boost  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Swords Dance  
- Knock Off  
- Synthesis  

Zekrom @ Magnet  
Ability: Teravolt  
EVs: 64 HP / 252 Atk / 192 Spe  
Adamant Nature  
- Dragon Dance  
- Bolt Strike  
- Roost  
- Dragon Claw  

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

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 240 HP / 60 Atk / 204 SpD / 4 Spe  
Adamant Nature  
- Sunsteel Strike  
- Moonlight  
- Earthquake  
- Stealth Rock  

Eternatus @ Power Herb  
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