Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 228 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Hidden Power [Ice]  
- Mystical Fire  
- Moonblast  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Tera Type: Grass  
EVs: 248 HP / 104 Def / 156 SpD  
Careful Nature  
- Knock Off  
- Power Whip  
- Stealth Rock  
- Leech Seed  

Clefable @ Electrium Z  
Ability: Magic Guard  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Calm Mind  
- Thunder  
- Soft-Boiled  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
Tera Type: Water  
EVs: 80 HP / 180 Atk / 24 Def / 16 SpD / 208 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Stone Edge  
- Defog  

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

Victini @ Heavy-Duty Boots  
Ability: Victory Star  
Tera Type: Psychic  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- V-create  
- Bolt Strike  
- Encore