How do I into VGC doubles without using legendaries I tried this team on smogon but couldn't ever get past more than 2 pokemon

Infernape @ Weakness Policy
Ability: Iron Fist
Level: 50
EVs: 252 Atk / 4 SpA / 252 Spe
Hasty Nature
- Mach Punch
- Flamethrower
- Encore
- Fake Out

Lickilicky @ Leftovers
Ability: Cloud Nine
Level: 50
EVs: 252 HP / 4 Atk / 252 SpD
Gentle Nature
- Surf
- Power Whip
- Substitute
- Ice Beam

Probopass @ Rocky Helmet
Ability: Sturdy
Level: 50
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Wide Guard
- Protect
- Flash Cannon
- Pain Split

Malamar @ Focus Sash
Ability: Contrary
Level: 50
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Superpower
- Topsy-Turvy
- Destiny Bond
- Knock Off

Starmie @ Life Orb
Ability: Natural Cure
Level: 50
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Ice Beam
- Thunderbolt
- Scald
- Recover

Aggron @ Custap Berry
Ability: Sturdy
Level: 50
EVs: 252 HP
Timid Nature
IVs: 0 Spe
- Endeavor
- Metal Burst
- Thunder Wave
- Rock Tomb