Sceptile-Mega @ Choice Specs  
Ability: Beads of Ruin  
Tera Type: Grass  
IVs: 0 Atk  
- Volt Switch  
- Seed Flare  
- Dragon Energy  
- Steam Eruption  

Mewtwo-Mega-X @ Choice Band  
Ability: Mold Breaker  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Wicked Blow  
- Close Combat  
- Gigaton Hammer  
- Trick  

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

Chansey (F) @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Sassy Nature  
- Parting Shot  
- Roost  
- Knock Off  
- Heal Bell  

Arceus-Poison @ Earth Plate  
Ability: Fur Coat  
Tera Type: Poison  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
- Take Heart  
- Mortal Spin  
- Strength Sap  
- Judgment  

Ho-Oh @ Heavy-Duty Boots  
Ability: Ice Scales  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- V-create  
- Haze  
- Mortal Spin  
- Recover