Reuniclus @ Life Orb  
Ability: Overcoat  
EVs: 248 HP / 160 Atk / 100 SpD  
Adamant Nature  
- Recover  
- Ice Punch  
- Fire Punch  
- Power-Up Punch  

Whimsicott @ Rocky Helmet  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpA  
Relaxed Nature  
IVs: 0 Atk  
- Helping Hand  
- Leech Seed  
- Trick Room  
- Energy Ball  

Gastrodon @ Leftovers  
Ability: Sticky Hold  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Ice Beam  
- Recover  
- Surf  
- Sludge Wave  

Necrozma @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
- Photon Geyser  
- Dark Pulse  
- Heat Wave  
- Thunder Wave  

Hatterene (F) @ Leftovers  
Ability: Healer  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk  
- Dazzling Gleam  
- Calm Mind  
- Trick Room  
- Giga Drain  

Metagross @ Choice Band  
Ability: Clear Body  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Earthquake  
- Bullet Punch  
- Ice Punch  
- Meteor Mash