Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 12 HP / 252 Atk / 188 SpD / 56 Spe  
Adamant Nature  
- Dragon Dance  
- Protect  
- Toxic  
- Thousand Arrows  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 76 SpD / 184 Spe  
Jolly Nature  
- Taunt  
- Foul Play  
- Knock Off  
- Roost  

Xerneas @ Heavy-Duty Boots  
Ability: Fairy Aura  
EVs: 252 HP / 172 Def / 4 SpA / 80 Spe  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Moonblast  
- Aromatherapy  
- Rest  

Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Thunder  
- Ice Beam  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Spikes  
- Leech Seed  
- Protect  
- Knock Off  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Stealth Rock  
- Morning Sun  
- Sunsteel Strike  
- Earthquake