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

Gastrodon @ Leftovers  
Ability: Storm Drain  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Scald  
- Earthquake  
- Clear Smog  
- Recover  

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

Kartana @ Grassium Z  
Ability: Beast Boost  
EVs: 120 HP / 136 Atk / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Knock Off  
- Defog  
- Synthesis  

Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Trick  
- Healing Wish  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 160 Def / 96 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Soft-Boiled  
- Ice Beam