Diancie @ Weakness Policy  
Ability: Clear Body  
Tera Type: Rock  
EVs: 248 HP / 248 SpD / 12 Spe  
Careful Nature  
- Diamond Storm  
- Play Rough  
- Encore  
- Trick Room  

Meowscarada @ Choice Band  
Ability: Protean  
Tera Type: Grass  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Flower Trick  
- Throat Chop  
- Triple Axel  
- Low Kick  

Gouging Fire @ Booster Energy  
Ability: Protosynthesis  
Tera Type: Fire  
EVs: 104 HP / 252 Atk / 152 Spe  
Adamant Nature  
- Flare Blitz  
- Outrage  
- Dragon Dance
- Substitute 

Diancie has max Spdef to help with Waters with a little speed creep for some Iron Hands sets, Play Rough for CM Raging Bolt. Meow Max Max. Goug outspeeds Darkrai after DD, max Attack, rest in HP.