Rate my team please

[ddd778]

Gengar @Black Sludge
6 HP / 252 SAtk / 252 Spd
Modest
-Shadow Ball
-Thunderbolt
-Hypnosis
-Hidden Power Ice

Medicham @Choice Scarf
6 HP / 252 Atk / 252 Spd
Jolly Nature
-Hi Jump Kick
-Psycho Cut
-Thunderpunch
-Ice Punch

Shuckle @Leftovers
252 HP / 252 Def / 4 SDef
Careful Nature
-Knock Off
-Stealth Rock
-Toxic
-Protect

Skarmory @Shed Shell
252 HP / 252 Def / 4 Spd
Impish Nature
-Drill Peck
-Spikes
-Roost

Rampardos @Focus Sash
6 HP / 252 Atk / 252 Spd
Adamant Nature
-Stone Edge
-Earthquake
-Crunch
-Rock Polish

Garchomp @Life Orb
16 HP / 252 Atk / 240 Spd
Jolly Nature
-Dragon Claw
-Earthquake
-Swords Dance
-Fire Fang

I just started battling and I have many more EVed pokemon
Gyrados
Metagross
Blissey
Cresslia
Dusknoir
Weezing
Jolteon
Vaporeon
Umbreon
Espeon
Charizard
Venusaur
Swampert
Sceptile
and many many more

I read there was a rule that I cannot use more than 1 of the same item, so please take that into consideration.
Thank you