Mewtwo @ Light Clay  
Ability: Snow Warning  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Aurora Veil  
- Photon Geyser  
- Volt Switch  
- Strength Sap  

Giratina @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Teleport  
- Core Enforcer  
- Will-O-Wisp  
- Baneful Bunker  

Magearna @ Heavy-Duty Boots  
Ability: Pixilate  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Boomburst  
- Rapid Spin  
- Volt Switch  
- Shore Up  

Calyrex-Ice @ Leftovers  
Ability: Simple  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 152 Spe  
Brave Nature  
- Shift Gear  
- Glacial Lance  
- Photon Geyser  
- Precipice Blades  

Eternatus @ Black Sludge  
Ability: Simple  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Core Enforcer  
- Sludge Wave  
- Blue Flare  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
IVs: 0 Atk  
- Topsy-Turvy  
- Soft-Boiled  
- Jungle Healing  
- Teleport