Rate my competitive team, please:

Lucario-Mega @ Lucarionite
Ability: Adaptability
EVs: 4 HP / 252 Atk / 252 Spd
Timid Nature
- Aura Sphere
- Vacuum Wave
- Flash Cannon
- Nasty Plot

Gengar @ Black Sludge
Ability: Levitate
EVs: 28 HP / 232 Def / 248 SDef
Bold Nature
- Disable
- Substitute
- Shadow Ball
- Sludge Wave

Tyranitar
Ability: Sand Stream
EVs: 252 HP / 4 Atk / 252 SDef
Careful Nature
- Stealth Rock
- Pursuit
- Crunch
- Superpower

Rotom-Wash @ Leftovers
Ability: Levitate
EVs: 252 HP / 4 SAtk / 252 SDef
Calm Nature
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Hidden Power [Ice]

Skarmory @ Leftovers
Ability: Sturdy
EVs: 252 HP / 232 Def / 24 Spd
Bold Nature
- Spikes
- Roost
- Brave Bird
- Taunt

Dragonite @ Choice Band
Ability: Multiscale
EVs: 252 HP / 252 Atk / 4 SDef
Adamant Nature
- Outrage
- Extreme Speed
- Fire Punch
- Earthquake