Gengar-Mega @ Choice Scarf  
Ability: Adaptability  
Tera Type: Ghost  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
IVs: 0 Atk  
- Astral Barrage  
- Sludge Bomb  
- Trick  
- Volt Switch  

Diancie-Mega @ Pixie Plate  
Ability: Pixilate  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Fake Out  
- Extreme Speed  
- Boomburst  
- V-create  

Mewtwo-Mega-Y @ Life Orb  
Ability: Sheer Force  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Earth Power  
- Ice Beam  
- Sludge Wave  

Ting-Lu @ Leftovers  
Ability: Ice Scales  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Stealth Rock  
- Earthquake  
- Shore Up  
- U-turn  

Toxapex @ Black Sludge  
Ability: Fur Coat  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Chilling Water  
- Recover  
- Parting Shot  

Kyogre-Primal @ Assault Vest  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Gentle Nature  
- Mortal Spin  
- Revelation Dance  
- Torch Song  
- U-turn