Help with my team

[hellhunter91]

Hello guys, i'm testing a team with Mega Scizor, because i like it, my team works good on showdown , but i'm sure i can improove it more.
I would like to ear your opinions about it, and maybe some advice to fix it and make it more competitive...
here is the team:

Scizor-Mega @ Scizorite
Ability: Technician
Level: 50
EVs: 236 HP / 188 Atk / 4 Def / 76 SpD / 4 Spe
Adamant Nature
- Bullet Punch
- Protect
- Swords Dance
- Bug Bite

Politoed @ Wiki Berry
Ability: Drizzle
Level: 50
EVs: 204 HP / 44 Def / 252 SpA / 4 SpD / 4 Spe
Modest Nature
- Scald
- Ice Beam
- Protect
- Helping Hand

Landorus-Therian @ Groundium Z
Ability: Intimidate
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Jolly Nature
- Earthquake
- Rock Slide
- U-turn
- Protect

Tapu Bulu @ Leftovers
Ability: Grassy Surge
Level: 50
EVs: 252 HP / 196 Atk / 4 Def / 36 SpD / 20 Spe
Adamant Nature
- Wood Hammer
- Nature's Madness
- Protect
- Superpower

Zapdos @ Grassy Seed
Ability: Pressure
Level: 50
EVs: 252 HP / 76 Def / 76 SpA / 100 SpD / 4 Spe
Calm Nature
IVs: 0 Atk
- Thunderbolt
- Heat Wave
- Detect
- Tailwind

Scrafty @ Assault Vest
Ability: Intimidate
Level: 50
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Fake Out
- Drain Punch
- Ice Punch
- Knock Off