Eternatus @ Rocky Helmet  
Ability: Pressure  
EVs: 248 HP / 168 Def / 92 Spe  
Timid Nature  
- Dragon Tail  
- Flamethrower  
- Toxic Spikes  
- Recover  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 72 SpD / 184 Spe  
Timid Nature  
- Knock Off  
- Foul Play  
- Defog  
- Roost  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Earthquake  
- Defog  
- Whirlwind  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Earthquake  
- Morning Sun  
- Stealth Rock  

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

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 176 HP / 252 Def / 80 SpA  
Relaxed Nature  
IVs: 0 Spe  
- Grass Knot  
- Knock Off  
- Stun Spore  
- Earthquake