Shout out to scytha gang
Mamoswine @ Metronome  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Icicle Crash  
- Earthquake  
- Ice Shard  
- Substitute  

Zygarde @ Choice Band  
Ability: Aura Break  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Thousand Arrows  
- Outrage  
- Extreme Speed  
- Toxic  

Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 168 HP / 252 Atk / 88 Spe  
Adamant Nature  
- Stealth Rock  
- Pursuit  
- Crunch  
- Fire Punch  

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Sacred Sword  
- Knock Off  
- Defog  

Zapdos @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 228 Def / 28 Spe  
Bold Nature  
IVs: 0 Atk  
- Discharge  
- Heat Wave  
- Hidden Power [Ice]  
- Roost  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Fleur Cannon  
- Iron Head  
- Hidden Power [Fire]  
- Volt Switch