Tapu Koko @ Choice Specs  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 1 Atk  
- Thunderbolt  
- Volt Switch  
- Dazzling Gleam  
- Hidden Power [Ice]  

Charizard-Mega-X @ Charizardite X  
Ability: Blaze  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Flare Blitz  
- Earthquake  
- Roost  

Hydreigon @ Leftovers  
Ability: Levitate  
EVs: 248 HP / 44 SpA / 128 SpD / 88 Spe  
Calm Nature  
IVs: 0 Atk  
- Snarl  
- Earth Power  
- Roost  
- Defog  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 24 Def / 232 SpD  
Careful Nature  
- Spikes  
- Leech Seed  
- Power Whip  
- Knock Off  

Landorus-Therian (M) @ Flyinium Z  
Ability: Intimidate  
EVs: 252 HP / 112 Def / 144 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- U-turn  
- Fly  

Aegislash @ Choice Band  
Ability: Stance Change  
EVs: 80 HP / 252 Atk / 176 Spe  
Adamant Nature  
- Iron Head  
- Pursuit  
- Close Combat  
- Shadow Sneak