Hydreigon @ Metronome  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Dark Pulse  
- Roost  
- Flash Cannon  

Klefki @ Leftovers  
Ability: Prankster  
EVs: 248 HP / 96 Def / 156 SpD / 8 Spe  
Calm Nature  
IVs: 0 Atk  
- Spikes  
- Thunder Wave  
- Toxic  
- Dazzling Gleam  

Sharpedo-Mega @ Sharpedonite  
Ability: Speed Boost  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Protect  
- Ice Fang  
- Crunch  
- Earthquake  

Cobalion @ Expert Belt  
Ability: Justified  
EVs: 212 Atk / 44 SpA / 252 Spe  
Naive Nature  
- Stealth Rock  
- Iron Head  
- Close Combat  
- Hidden Power [Ice]  

Jellicent @ Colbur Berry  
Ability: Water Absorb  
EVs: 248 HP / 176 Def / 84 Spe  
Bold Nature  
IVs: 0 Atk  
- Hex  
- Taunt  
- Will-O-Wisp  
- Recover  

Mamoswine @ Groundium Z  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Ice Shard  
- Stone Edge  
- Earthquake  
- Icicle Crash