I built a team based around swampert here it is.
Swampert @ Leftovers
Ability: Damp
EVs: 144 HP / 180 Atk / 92 Def / 92 SDef
Adamant Nature
- Earthquake
- Waterfall
- Protect
- Power-Up Punch
So Swampert is the star of the show. STAB Earthquake destroys worlds while Waterfall is good. Protect to scout a bit and Power-Up Punch to raise his attack.
Zapdos @ Choice Specs
Ability: Pressure
EVs: 252 Spd / 252 SAtk
Timid Nature
- Extrasensory
- Discharge
- Heat Wave
- Signal Beam
Zapdos and swampert work well together. Zapdos spams discharge while swampert spams e-quake.
Infernape @ Focus Sash
Ability: Blaze
EVs: 252 SAtk / 252 Spd / 4 HP
Modest Nature
- Stealth Rock
- Flamethrower
- Focus Blast
- Gunk Shot
Infernape sets up the stealth rocks and kills a pokemon in the progress so whats not to love.
Alakazam @ Alakazite
Ability: Magic Guard
EVs: 252 SAtk / 252 Spd / 4 SDef
Modest Nature
- Calm Mind
- Psyshock
- Focus Blast
- Shadow Ball
My main special sweeper use calm mind twice then wreck face.
Lucario @ Life Orb
Ability: Justified
EVs: 172 Atk / 172 SAtk / 164 Spd
Naive Nature
- Extreme Speed
- Dragon Pulse
- Blaze Kick
- Aura Sphere
My mixed attacker so he can take down physical or special walls.
Gliscor @ Leftovers
Ability: Hyper Cutter
EVs: 252 Atk/ 252 Def / 4 Spd
Impish Nature
- Earthquake
- Rock Slide
- Toxic
- Substitute
My physical Wall
There you have it my OU smogon doubles team. Please rate it.