So I've been toying around with getting into competitive and want to know what I can do to improve my team.

Hydreigon @ Petaya Berry
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Dragon Pulse
- Heat Wave
- Dark Pulse
- Protect

Mamoswine @ Assault Vest
Ability: Thick Fat
EVs: 4 HP / 252 Atk / 252 SpD
Adamant Nature
- Ice Shard
- Earthquake
- Rock Slide
- Knock Off

Crobat @ Sky Plate
Ability: Infiltrator
EVs: 252 Atk / 4 SpA / 252 Spe
Hasty Nature
- Brave Bird
- Heat Wave
- Taunt
- U-turn

Zoroark @ Life Orb
Ability: Illusion
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Hyper Voice
- Dark Pulse
- Flamethrower
- Protect

Lucario @ Salac Berry
Ability: Justified
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Drain Punch
- Meteor Mash
- Earthquake
- Protect

Weavile @ Liechi Berry
Ability: Pressure
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fake Out
- Ice Shard
- Beat Up
- Protect

Any moveset ideas? I fucking HATE Landorus.