Tyranitar @ Heavy-Duty Boots  
Ability: Sand Stream  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Thunder Wave  
- Rest  
- Foul Play  
- Rock Tomb  

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

Yveltal @ Choice Band  
Ability: Dark Aura  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Knock Off  
- U-turn  
- Sucker Punch  
- Dual Wingbeat  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 212 HP / 252 SpD / 44 Spe  
Calm Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Flamethrower  
- Toxic Spikes  
- Recover  

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

Rayquaza @ Life Orb  
Ability: Air Lock  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Dragon Ascent  
- V-create  
- Outrage