Toxapex @ Leftovers  
Ability: Regenerator  
Level: 50  
EVs: 32 HP / 18 Def / 16 SpD  
Bold Nature  
- Toxic  
- Baneful Bunker  
- Infestation  
- Wide Guard  

Staraptor-Mega @ Staraptite  
Ability: Contrary  
Level: 50  
EVs: 25 HP / 16 Atk / 25 Spe  
Jolly Nature  
- Close Combat  
- Dual Wingbeat  
- Roost  
- Protect  

Gholdengo @ Choice Scarf  
Ability: Good as Gold  
Level: 50  
EVs: 2 HP / 32 SpA / 32 Spe  
Modest Nature  
- Shadow Ball  
- Make It Rain  
- Power Gem  
- Trick  

Raichu-Mega-Y @ Raichunite Y  
Ability: Lightning Rod  
Level: 50  
EVs: 2 Atk / 32 SpA / 32 Spe  
Timid Nature  
- Zap Cannon  
- Focus Blast  
- Fake Out  
- Protect  

Sinistcha @ Sitrus Berry  
Ability: Hospitality  
Level: 50  
EVs: 29 HP / 15 Def / 22 SpD  
Bold Nature  
- Matcha Gotcha  
- Rage Powder  
- Trick Room  
- Protect  

Whimsicott @ Focus Sash  
Ability: Prankster  
Level: 50  
EVs: 32 HP / 15 Def / 19 SpD  
Bold Nature  
- Moonblast  
- Charm  
- Tailwind  
- Encore