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

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 24 Def / 232 SpD  
Careful Nature  
- Stealth Rock  
- Knock Off  
- Power Whip  
- Thunder Wave  

Slowbro @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk  
- Scald  
- Future Sight  
- Slack Off  
- Teleport  

Zapdos-Galar @ Choice Band  
Ability: Defiant  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Brave Bird  
- Close Combat  
- U-turn  
- Facade  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 24 Def / 232 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Stone Edge  
- Defog  

Hydreigon @ Darkinium Z  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Dark Pulse  
- Flash Cannon  
- Roost