Cresselia @ Wiki Berry  
Ability: Levitate  
EVs: 248 HP / 148 Def / 112 SpA  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Ice Beam  
- Psychic  
- Helping Hand  
- Trick Room  

Tyranitar @ Assault Vest  
Ability: Sand Stream  
EVs: 248 HP / 148 Atk / 112 SpA  
Brave Nature  
IVs: 0 Spe  
- Stone Edge  
- Crunch  
- Ice Beam  
- Fire Blast  

Metagross-Mega @ Metagrossite  
Ability: Tough Claws  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- Stomping Tantrum  
- Ice Punch  
- Bullet Punch  

Tapu Fini @ Wiki Berry  
Ability: Misty Surge  
EVs: 248 HP / 104 Def / 56 SpA / 44 SpD / 56 Spe  
Modest Nature  
IVs: 0 Atk  
- Muddy Water  
- Moonblast  
- Icy Wind  
- Heal Pulse  

Aegislash @ Ghostium Z  
Ability: Stance Change  
EVs: 124 HP / 252 SpA / 132 Spe  
Modest Nature  
IVs: 0 Atk  
- Shadow Ball  
- Flash Cannon  
- Wide Guard  
- King's Shield  

Snorlax @ Wiki Berry  
Ability: Gluttony  
Happiness: 0  
EVs: 204 HP / 20 Atk / 208 Def / 76 SpD  
Brave Nature  
IVs: 0 Spe  
- Frustration  
- Fire Punch  
- Belly Drum  
- Recycle