Blastoise @ Blastoisinite  
Ability: Torrent  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Hidden Power [Electric]  
- Dark Pulse  
- Aura Sphere  
- Ice Beam  

Cresselia @ Mental Herb  
Ability: Levitate  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Trick Room  
- Ice Beam  
- Moonlight  
- Lunar Dance  

Mesprit @ Colbur Berry  
Ability: Levitate  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Stealth Rock  
- Magic Coat  
- Healing Wish  
- Trick Room  

Marowak-Alola @ Thick Club  
Ability: Rock Head  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Flare Blitz  
- Shadow Bone  
- Swords Dance  
- Low Kick  

Diancie @ Shuca Berry  
Ability: Clear Body  
EVs: 252 HP / 252 SpA  
Quiet Nature  
IVs: 0 Spe  
- Trick Room  
- Diamond Storm  
- Earth Power  
- Moonblast  

Escavalier @ Groundium Z  
Ability: Overcoat  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Megahorn  
- Iron Head  
- Swords Dance  
- Drill Run