Gardevoir-Mega @ Choice Specs  
Ability: Pixilate  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Boomburst  
- Psystrike  
- Knock Off  
- Extreme Speed  

Arceus-Steel @ Fist Plate  
Ability: Well-Baked Body  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Judgment  
- Revelation Dance  
- Recover  

Yveltal @ Heavy-Duty Boots  
Ability: Fur Coat  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
IVs: 0 SpA  
- Knock Off  
- Haze  
- Rapid Spin  
- Strength Sap  

Miraidon @ Leftovers  
Ability: Fur Coat  
Tera Type: Electric  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Dragon Energy  
- Thunder Cage  
- Encore  
- Strength Sap  

Flutter Mane @ Heavy-Duty Boots  
Ability: Ice Scales  
Tera Type: Ghost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Spikes  
- Pain Split  
- Topsy-Turvy  

Chansey (F) @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Bold Nature  
IVs: 0 Spe  
- Rapid Spin  
- Mortal Spin  
- Recover  
- Knock Off