Marowak-Alola @ Thick Club  
Ability: Lightning Rod  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Spectral Thief  
- V-create  
- Shadow Sneak  
- Protect  

Drampa @ Throat Spray  
Ability: Berserk  
EVs: 252 HP / 4 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Boomburst  
- Clanging Scales  
- Flamethrower  
- Protect  

Diancie @ Weakness Policy  
Ability: Clear Body  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
- Diamond Storm  
- Spirit Break  
- Trick Room  
- Protect  

Amoonguss @ Sitrus Berry  
Ability: Regenerator  
EVs: 232 HP / 88 Def / 188 SpD  
Sassy Nature  
IVs: 0 Atk  
- Spore  
- Rage Powder  
- Sludge Bomb  
- Pollen Puff  

Cresselia (F) @ Sitrus Berry  
Ability: Levitate  
EVs: 252 HP / 164 Def / 28 SpA / 64 SpD  
Sassy Nature  
IVs: 0 Atk  
- Psystrike  
- Instruct  
- Trick Room  
- Moonlight  

Celesteela @ Power Herb  
Ability: Beast Boost  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Meteor Beam  
- Aeroblast  
- Flash Cannon  
- Protect