Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Focus Blast  
- Roost  
- Solar Beam  

Heatran @ Firium Z  
Ability: Flash Fire  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Flash Cannon  
- Stealth Rock  

Victini @ Choice Scarf  
Ability: Victory Star  
EVs: 252 HP / 4 Atk / 252 Spe  
Jolly Nature  
- V-create  
- U-turn  
- Final Gambit  
- Trick  

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 12 Def / 244 SpD  
Sassy Nature  
- Giga Drain  
- Knock Off  
- Hidden Power [Ice]  
- Earthquake  

Greninja @ Expert Belt  
Ability: Protean  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Hidden Power [Fire]  
- Gunk Shot  
- Spikes  
- Ice Beam  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 252 HP / 112 Def / 144 Spe  
Impish Nature  
- Defog  
- Earthquake  
- Hidden Power [Ice]  
- U-turn