Diancie-Mega @ Diancite  
Ability: Clear Body  
Tera Type: Rock  
EVs: 240 HP / 16 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Substitute  
- Endeavor  

Dragonite @ Dragonium Z  
Ability: Multiscale  
Tera Type: Dragon  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Outrage  
- Earthquake  
- Fire Punch