Zekrom @ Heavy-Duty Boots  
Ability: Teravolt  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Bolt Strike  
- Dragon Claw  
- Roost  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 120 SpD / 136 Spe  
Careful Nature  
- Dragon Dance  
- Sunsteel Strike  
- Knock Off  
- Morning Sun  

Xerneas @ Heavy-Duty Boots  
Ability: Fairy Aura  
EVs: 232 HP / 252 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Defog  
- Sleep Talk  
- Rest  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 32 HP / 252 SpD / 224 Spe  
Timid Nature  
- Foul Play  
- Oblivion Wing  
- Roost  
- U-turn  

Blissey (F) @ Utility Umbrella  
Ability: Natural Cure  
EVs: 4 HP / 252 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Seismic Toss  
- Soft-Boiled  
- Aromatherapy  
- Confide  

Groudon @ Leftovers  
Ability: Drought  
EVs: 240 HP / 252 Def / 16 Spe  
Impish Nature  
- Stealth Rock  
- Precipice Blades  
- Stone Edge  
- Thunder Wave