Mamoswine @ Choice Band  
Ability: Prehistoric Might  
Tera Type: Ice  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Ice Shard  
- Icicle Crash  
- Earthquake  
- Knock Off  

Mamoswine @ Focus Sash  
Ability: Oblivious  
Tera Type: Ghost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Icicle Crash  
- Ice Shard  

Mamoswine @ Life Orb  
Ability: Thick Fat  
Tera Type: Grass  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Icicle Crash  
- Earthquake  
- Ice Shard  
- Trailblaze