Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 48 HP / 208 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Focus Blast  
- Solar Beam  
- Defog  

Skarmory @ Shed Shell  
Ability: Sturdy  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
- Defog  
- Roost  
- Toxic  
- Counter  

Tapu Fini @ Eject Button  
Ability: Misty Surge  
EVs: 252 HP / 64 Def / 192 Spe  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Moonblast  
- Taunt  
- Nature's Madness  

Tangrowth (M) @ Assault Vest  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
- Giga Drain  
- Knock Off  
- Earthquake  
- Hidden Power [Ice]  

Dugtrio @ Groundium Z  
Ability: Arena Trap  
EVs: 244 Atk / 12 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Toxic  
- Substitute  
- Screech  

Latios @ Choice Scarf  
Ability: Levitate  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Trick  
- Draco Meteor  
- Psyshock  
- Roost