Garchomp-Mega @ Garchompite  
Ability: Sand Force  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Scale Shot  
- Fire Fang  
- Earthquake  

Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 80 HP / 212 Atk / 216 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Trick  
- Healing Wish  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 252 HP / 40 Def / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Roost  
- Flamethrower  
- Psychic  

Landorus-Therian (M) @ Rocky Helmet  
Ability: Intimidate  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 30 Spe  
- Stealth Rock  
- U-turn  
- Earthquake  
- Toxic  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 248 HP / 60 SpD / 200 Spe  
Calm Nature  
IVs: 0 Atk  
- Defog  
- Scald  
- Moonblast  
- Taunt  

Tyranitar @ Chople Berry  
Ability: Sand Stream  
EVs: 240 Atk / 96 SpD / 172 Spe  
Careful Nature  
- Stone Edge  
- Crunch  
- Pursuit  
- Earthquake