Mamoswine @ Focus Sash  
Ability: Thick Fat  
Level: 50  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Icicle Spear  
- Knock Off  
- Earthquake  
- Ice Shard  

Aegislash @ Ghostium Z  
Ability: Stance Change  
Level: 50  
EVs: 204 HP / 100 Atk / 204 Spe  
Adamant Nature  
IVs: 29 Def  
- Swords Dance  
- Autotomize  
- Shadow Claw  
- Sacred Sword  

Snorlax @ Sitrus Berry  
Ability: Immunity  
Level: 50  
EVs: 148 HP / 4 Atk / 252 Def / 100 SpD / 4 Spe  
Impish Nature  
- Return  
- Earthquake  
- Belly Drum  
- Thunder Punch  

Tapu Fini @ Iapapa Berry  
Ability: Misty Surge  
Level: 50  
EVs: 220 HP / 132 Def / 156 Spe  
Bold Nature  
IVs: 0 Atk  
- Nature's Madness  
- Surf  
- Moonblast  
- Taunt  

Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
Level: 50  
EVs: 68 HP / 252 Atk / 188 Spe  
Adamant Nature  
- Flame Charge  
- Flare Blitz  
- Earthquake  
- Swords Dance  

Nihilego @ Expert Belt  
Ability: Beast Boost  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Power Gem  
- Thunderbolt  
- Hidden Power [Ice]  
- Psychic