Mewtwo @ Heavy-Duty Boots  
Ability: Pressure  
Tera Type: Poison  
EVs: 252 HP / 84 SpD / 172 Spe  
Timid Nature  
IVs: 0 Atk  
- Psystrike  
- Will-O-Wisp  
- Taunt  
- Recover  

Groudon @ Leftovers  
Ability: Drought  
Tera Type: Dark  
EVs: 248 HP / 108 Atk / 152 Spe  
Adamant Nature  
- Swords Dance  
- Precipice Blades  
- Heat Crash  
- Crunch  

Alomomola @ Heavy-Duty Boots  
Ability: Regenerator  
Level: 99  
Tera Type: Dark  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Scald  
- Flip Turn  
- Wish  
- Protect  

Giratina-Origin @ Griseous Core  
Ability: Levitate  
Tera Type: Steel  
EVs: 248 HP / 212 Def / 48 Spe  
Bold Nature  
- Defog  
- Hex  
- Toxic  
- Dragon Tail  

Kingambit @ Black Glasses  
Ability: Defiant  
Tera Type: Poison  
EVs: 248 HP / 228 Atk / 32 Spe  
Adamant Nature  
- Pursuit  
- Low Kick  
- Sucker Punch  
- Knock Off  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Hidden Power [Ice]  
- Mystical Fire  
- Stealth Rock