Latios-Mega @ Latiosite  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Psychic  
- Draco Meteor  
- Earthquake  
- Roost  

Tapu Koko @ Shuca Berry  
Ability: Electric Surge  
EVs: 104 HP / 12 Def / 176 SpA / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Volt Switch  
- Hidden Power [Ice]  
- Roost  

Mamoswine @ Metronome  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Icicle Crash  
- Ice Shard  

Toxapex @ Payapa Berry  
Ability: Regenerator  
EVs: 252 HP / 92 Def / 164 SpD  
Careful Nature  
- Toxic  
- Scald  
- Poison Jab  
- Recover  

Landorus-Therian @ Choice Scarf  
Ability: Intimidate  
EVs: 248 HP / 60 Def / 196 Spe  
Jolly Nature  
- Earthquake  
- Hidden Power [Ice]  
- U-turn  
- Defog  

Magnezone @ Steelium Z  
Ability: Magnet Pull  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Thunderbolt  
- Flash Cannon  
- Hidden Power [Fire]