Any help with VGC OU doubles?

Question

I dunno if this team is any good, can anybody help?

Aegislash @ Weakness Policy
Ability: Stance Change
EVs: 252 Atk / 128 Def / 128 SpD
Adamant Nature
- Swords Dance
- Shadow Sneak
- King's Shield
- Sacred Sword

Whimsicott @ Leftovers
Ability: Prankster
EVs: 56 HP / 200 Def / 252 SpD
Impish Nature
- Tailwind
- Encore
- Knock Off
- Leech Seed

Salamence @ Salamencite
Ability: Intimidate
EVs: 248 HP / 152 Atk / 56 SpD / 52 Spe
Adamant Nature
- Dragon Dance
- Roost
- Substitute
- Return

Swampert @ Rindo Berry
Ability: Damp
EVs: 176 HP / 252 Atk / 80 Def
Adamant Nature
- Stealth Rock
- Earthquake
- Stone Edge
- Waterfall

Ninetales-Alola @ Light Clay
Ability: Snow Warning
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Aurora Veil
- Encore
- Freeze-Dry
- Moonblast

Incineroar @ Life Orb
Ability: Intimidate
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Fake Out
- U-turn
- Bulk Up
- Darkest Lariat

Comments

Why would you use Aegislash and Swampert when you can use Lunala and Groudon? Why do you need 2 fairy type encore users on the same team?

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okay, I did some work and stuff, and here’s the new team!

Lunala @ Choice Specs  
Ability: Shadow Shield  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Moongeist Beam  
- Ice Beam  
- Psyshock  

Whimsicott @ Rocky Helmet  
Ability: Prankster  
Level: 50  
EVs: 56 HP / 200 Def / 252 SpD  
Impish Nature  
- Tailwind  
- Encore  
- Knock Off  
- Leech Seed  

Salamence @ Salamencite  
Ability: Intimidate  
Level: 50  
EVs: 248 HP / 152 Atk / 56 SpD / 52 Spe  
Adamant Nature  
- Dragon Dance  
- Roost  
- Tailwind  
- Return  

Groudon @ Red Orb  
Ability: Drought  
Level: 50  
EVs: 4 HP / 252 Atk / 252 SpD  
Adamant Nature  
- Precipice Blades  
- Fire Punch  
- Stone Edge  
- Bulk Up  

Celesteela @ Leftovers  
Ability: Beast Boost  
Level: 50  
EVs: 252 HP / 98 Def / 158 SpD  
Sassy Nature  
- Heavy Slam  
- Leech Seed  
- Flamethrower  
- Toxic  

Incineroar @ Life Orb  
Ability: Intimidate  
Level: 50  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Fake Out  
- U-turn  
- Bulk Up  
- Darkest Lariat

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That looks a lot better.