[RATE MY TEAM] Doubles OU TR team

[kaseke]

Hey, I'm new here

So I've built a team, and I want your opinion on it. Here we go!

Aegislash (M) @ Shell Bell  
Ability: Stance Change  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Spe  
- Sacred Sword  
- Wide Guard  
- King's Shield  
- Shadow Sneak  

Sylveon @ Leftovers  
Ability: Pixilate  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk / 0 Spe  
- Hyper Voice  
- Wish  
- Toxic  
- Protect  

Ferrothorn (M) @ Rocky Helmet  
Ability: Iron Barbs  
EVs: 252 HP / 172 Atk / 84 Def  
Brave Nature  
IVs: 0 Spe  
- Power Whip  
- Gyro Ball  
- Leech Seed  
- Protect  

Chandelure (M) @ Focus Sash  
Ability: Infiltrator  
EVs: 252 HP / 252 SpA / 4 SpD  
Timid Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Heat Wave  
- Protect  
- Shadow Ball  

Slowbro-Mega @ Slowbronite  
Ability: Regenerator  
EVs: 80 HP / 176 Def / 252 SpA  
Quiet Nature  
IVs: 0 Spe  
- Surf  
- Trick Room  
- Heal Pulse  
- Psychic  

Amoonguss @ Rocky Helmet  
Ability: Effect Spore  
EVs: 252 HP / 184 Def / 72 SpD  
Sassy Nature  
- Rage Powder  
- Spore  
- Giga Drain  
- Protect