[RATE MY TEAM] New to Battling Help Me Please!

[Lucifer666]

i'm new to battling in a competitive way, here's my current team. im having so-so to decent success with it but my knowledge of the the current meta and strats is very little. so any help or advice for my current team would be amazing. im open to all suggestions.

so here's my team:

Pangoro (M) @ Choice Band  
Ability: Scrappy  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Drain Punch  
- Earthquake  
- Dragon Claw  
- Storm Throw  

Gengar (M) @ Spell Tag  
Ability: Levitate  
Shiny: Yes  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Dazzling Gleam  
- Dark Pulse  
- Shadow Ball  
- Sludge Bomb  

Lucario-Mega (M) @ Lucarionite  
Ability: Adaptability  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Blaze Kick  
- Bullet Punch  
- Earthquake  
- Drain Punch  

Noivern (M) @ Dragon Fang  
Ability: Telepathy  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 8 SpA  
Lonely Nature  
- Air Slash  
- Roost  
- Outrage  
- Dragon Claw  

Sylveon (M) @ Pixie Plate  
Ability: Pixilate  
Shiny: Yes  
EVs: 248 HP / 252 SpA / 8 SpD  
Modest Nature  
- Dazzling Gleam  
- Hyper Voice  
- Psyshock  
- Shadow Ball  

Abomasnow (M) @ Icicle Plate  
Ability: Snow Warning  
Shiny: Yes  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Ice Punch  
- Wood Hammer  
- Earthquake  
- Brick Break