Charizard-Mega-Y @ Charizardite Y  
Ability: Blaze  
EVs: 248 HP / 148 Def / 112 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Roost  
- Flamethrower  
- Focus Blast  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Roost  
- Wild Charge  
- Hidden Power [Ice]  
- U-turn  

Xurkitree @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Volt Switch  
- Energy Ball  
- Dazzling Gleam  
- Hidden Power [Fire]  

Magearna @ Iapapa Berry  
Ability: Soul-Heart  
EVs: 248 HP / 72 Def / 188 SpD  
Calm Nature  
IVs: 0 Atk / 30 Spe  
- Fleur Cannon  
- Volt Switch  
- Thunder Wave  
- Heart Swap  

Kommo-o @ Leftovers  
Ability: Bulletproof  
EVs: 248 HP / 108 Def / 136 SpD / 16 Spe  
Sassy Nature  
- Stealth Rock  
- Earthquake  
- Flamethrower  
- Toxic  

Landorus-Therian @ Rocky Helmet  
Ability: Intimidate  
EVs: 248 HP / 240 Def / 12 SpD / 8 Spe  
Impish Nature  
- Defog  
- Earthquake  
- Knock Off  
- U-turn