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

Lokix @ Choice Band  
Ability: Tinted Lens  
Tera Type: Bug  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Knock Off  
- U-turn  
- First Impression  
- Sucker Punch  

Raging Bolt @ Dragonium Z  
Ability: Protosynthesis  
Tera Type: Electric  
EVs: 192 HP / 8 Def / 252 SpA / 56 Spe  
Modest Nature  
IVs: 20 Atk  
- Draco Meteor  
- Thunderbolt  
- Thunderclap  
- Calm Mind  

Groudon @ Leftovers  
Ability: Drought  
Tera Type: Ground  
EVs: 248 HP / 16 Atk / 244 SpD  
Adamant Nature  
- Precipice Blades  
- Stone Edge  
- Toxic  
- Stealth Rock  

Alomomola @ Heavy-Duty Boots  
Ability: Regenerator  
Tera Type: Water  
EVs: 4 HP / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Flip Turn  
- Toxic  
- Wish  
- Protect  

Heatran @ Choice Scarf  
Ability: Flash Fire  
Tera Type: Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Earth Power  
- Flash Cannon  
- Eruption