Scizor-Mega @ Scizorite
Ability: Technician
EVs: 252 HP / 252 Atk / 4 Spe
Adamant Nature
- Swords Dance
- U-turn
- Roost
- Bullet Punch

Tapu Koko @ Choice Scarf
Ability: Electric Surge
EVs: 4 HP / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Volt Switch
- Thunderbolt
- Hidden Power [Ice]
- Dazzling Gleam

Marshadow @ Choice Band
Ability: Technician
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Spectral Thief
- Close Combat
- Ice Punch
- Shadow Sneak

Metagross @ Assault Vest
Ability: Clear Body
EVs: 252 HP / 252 Atk / 4 Spe
Adamant Nature
- Thunder Punch
- Pursuit
- Meteor Mash
- Earthquake

Zapdos @ Flyinium Z
Ability: Pressure
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Defog
- Air Cutter
- Volt Switch
- Heat Wave

Heatran @ Air Balloon
Ability: Flash Fire
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Stealth Rock
- Earth Power
- Magma Storm
- Taunt

hyper offensive team around marshadow. hope you like it!