Genesect @ Choice Scarf  
Ability: Download  
EVs: 28 HP / 88 Atk / 208 SpA / 184 Spe  
Hasty Nature  
- U-turn  
- Ice Beam  
- Flamethrower  
- Explosion  

Calyrex-Shadow @ Choice Specs  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Aromatherapy  
- Trick  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 16 Atk / 128 Def / 116 SpD  
Careful Nature  
IVs: 17 Spe  
- Roost  
- Foul Play  
- Defog  
- U-turn  

Zekrom @ Heavy-Duty Boots  
Ability: Teravolt  
EVs: 248 HP / 108 Atk / 152 Spe  
Adamant Nature  
- Volt Switch  
- Bolt Strike  
- Scale Shot  
- Roost  

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

Blissey (F) @ Utility Umbrella  
Ability: Natural Cure  
EVs: 252 Def / 12 SpA / 244 SpD  
Calm Nature  
IVs: 0 Atk  
- Teleport  
- Soft-Boiled  
- Thunder Wave  
- Ice Beam