Landorus-Therian @ Choice Scarf  
Ability: Intimidate  
EVs: 244 Atk / 68 Def / 196 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Stone Edge  
- Defog  

Tapu Koko @ Leftovers  
Ability: Electric Surge  
EVs: 20 HP / 252 SpA / 20 SpD / 216 Spe  
Timid Nature  
- Thunderbolt  
- Defog  
- Roost  
- U-turn 

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 248 HP / 28 Def / 224 SpA / 8 SpD  
Modest Nature  
- Calm Mind  
- Pain Split  
- Fleur Cannon  
- Thunderbolt  

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Giga Drain  
- Knock Off  
- Hidden Power [Ice]  
- Sludge Bomb  

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

Garchomp @ Rocky Helmet  
Ability: Rough Skin  
EVs: 252 HP / 4 Def / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Roar  
- Fire Blast