Macydog12 Asked: Rate my Pokemon Black Team?

I plan on training a team and before i start training i would like to know if there should be any changes that would make it better or possibly stronger…all comments help me
My team as follows

Mienshao @choice scarf
Ability-Regenerator
Nature- Naive
252atk/24spA/232spe
-Hi Jump Kick
-U-Turn
-Stone Edge
-Hidden Power Ice/ Fake Out

Haxorus @Haban Berry
Ability- Mold Breaker
Nature-Jolly/Adamant
4hp/252atk/252spe
-Dragon Dance
-Dragon Claw
-Earthquake
-Rockslide

Volcarona @Life Orb
Ability-Flame Body
Nature-TImid
252spA/4spD/252spe
-Quiver Dance
-Bug Buzz
-Fiery Dance
-Psychic

Ferrothorn @leftovers
Ability-Iron Thorns
Nature-Sassy
252hp/4atk/252spD
-Gyro Ball
-Stealth Rock
-Leech Seed
-Protect

Sigilyph @Toxic Orb
Ability- Magic Guard
Nature-Timid
252hp/200def/56spe
-Cosmic Power
-Stored Power
-Roost
-Psycho Shift

Jellicent @Water Gem
Ability-Dont know which is better Cursed Body or Water Absorb
Nature-Modest/Timid
4hp/252spA/252spe
-IceBeam
-Shadow Ball
-Recover
-WaterSpout

Any info would be nice and im open to changing pokies