Necrozma-Ultra @ Life Orb  
Ability: Sheer Force  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Luster Purge  
- Bolt Strike  
- Blue Flare  
- Magical Torque  

Arceus-Ground @ Earth Plate  
Ability: Ice Scales  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Tidy Up  
- Earthquake  
- Spirit Shackle  
- Strength Sap  

Audino-Mega @ Covert Cloak  
Ability: Magic Bounce  
Tera Type: Normal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Haze  
- Mortal Spin  
- Teleport  
- Recover  

Yveltal @ Heavy-Duty Boots  
Ability: Fur Coat  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Knock Off  
- Strength Sap  
- Parting Shot  
- Rapid Spin  

Chansey @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Shore Up  
- Block  
- Topsy-Turvy  
- Heal Bell  

Steelix-Mega @ Assault Vest  
Ability: Regenerator  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- U-turn  
- Gigaton Hammer  
- Knock Off  
- Stone Axe