Marshadow @ Marshadium Z  
Ability: Technician  
Tera Type: Fighting  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Close Combat  
- Spectral Thief  
- Shadow Sneak  
- Sucker Punch  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
Tera Type: Fairy  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Behemoth Blade  
- Play Rough  
- Swords Dance  
- Wild Charge  

Flutter Mane @ Booster Energy  
Ability: Protosynthesis  
Tera Type: Ghost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Shadow Ball  
- Mystical Fire  
- Power Gem  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Unnerve  
Tera Type: Psychic  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Psystrike  
- Nasty Plot  
- Shadow Ball  

Eternatus @ Power Herb  
Ability: Pressure  
Tera Type: Poison  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Dynamax Cannon  
- Flamethrower  
- Sludge Wave  

Yveltal @ Assault Vest  
Ability: Dark Aura  
Tera Type: Dark  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Sucker Punch  
- Knock Off  
- Dragon Claw  
- Dual Wingbeat