Chansey (F) @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Shore Up  
- Teleport  
- Haze  
- Heal Bell  

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

Zekrom @ Covert Cloak  
Ability: Adaptability  
Tera Type: Dragon  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Shift Gear  
- Volt Tackle  
- Glaive Rush  
- Strength Sap  

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  

Arceus-Poison @ Earth Plate  
Ability: Fur Coat  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Shore Up  
- Judgment  
- Toxic  
- Mortal Spin  

Celesteela @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Knock Off  
- Strength Sap  
- Nuzzle  
- Rapid Spin