Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 24 SpD / 28 Spe  
Careful Nature  
- Sacred Fire  
- Defog  
- Whirlwind  
- Thunder Wave  

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 128 Def / 188 SpD / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Foul Play  
- Roost  
- Defog  
- Oblivion Wing  

Necrozma-Dusk-Mane @ Shed Shell  
Ability: Prism Armor  
EVs: 248 HP / 240 Def / 20 Spe  
Impish Nature  
- Knock Off  
- Sunsteel Strike  
- Morning Sun  
- Swords Dance  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Spikes  
- Leech Seed  
- Bullet Seed  
- Knock Off  

Groudon @ Rocky Helmet  
Ability: Drought  
EVs: 252 HP / 196 Def / 44 SpD / 16 Spe  
Impish Nature  
- Earthquake  
- Stealth Rock  
- Rest  
- Toxic