Tapu Koko @ Choice Specs  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Volt Switch  
- Dazzling Gleam  
- Hidden Power [Fire]  

Kyurem-Black @ Icium Z  
Ability: Teravolt  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Freeze Shock  
- Fusion Bolt  
- Ice Beam  
- Earth Power  

Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Ice Punch  
- Fire Punch  
- Stone Edge  

Landorus-Therian @ Rocky Helmet  
Ability: Intimidate  
EVs: 252 HP / 216 Def / 24 SpD / 16 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Hidden Power [Ice]  
- U-turn  

Latios @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Draco Meteor  
- Psyshock  
- Defog  
- Trick  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 8 SpA / 252 SpD  
Sassy Nature  
- Fleur Cannon  
- Iron Head  
- Hidden Power [Fire]  
- Volt Switch