Araquanid @ Custap Berry  
Ability: Water Bubble  
Tera Type: Water  
EVs: 248 HP / 180 Def / 80 SpA  
Bold Nature  
IVs: 0 Atk  
- Surf  
- Endeavor  
- Endure  
- Sticky Web  

Jirachi @ Protective Pads  
Ability: Serene Grace  
Tera Type: Steel  
EVs: 252 Atk / 252 Spe  
Jolly Nature  
- Iron Head  
- Fire Punch  
- Power-Up Punch  
- Body Slam  

Meganium @ Grassium Z  
Ability: Overgrow  
Tera Type: Grass  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Work Up  
- Frenzy Plant  
- Hidden Power [Fire]  
- Ancient Power  

Gholdengo @ Air Balloon  
Ability: Good as Gold  
Tera Type: Steel  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Shadow Ball  
- Make It Rain  
- Focus Blast  

Great Tusk @ Booster Energy  
Ability: Protosynthesis  
Tera Type: Ground  
EVs: 252 HP / 4 Atk / 252 Spe  
Jolly Nature  
- Headlong Rush  
- Ice Spinner  
- Rapid Spin  
- Bulk Up  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
Tera Type: Rock  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Mystical Fire  
- Earth Power