Carracosta:
Carracosta
Item=Shell Bell
Ability=Solid Rock
Nature=Impish
Ev=252 Attack/252 HP/6 Defense
Moveset:
Aqua Jet=Priority and STAB
Stone Edge=Good Rock type move and gives STAB
Waterfall=Physical water type move and STAB
Sword Dance=Power up its Attack stat
ROLE:He is an perfect Tank because of its Defense and its Attack.Aqua Jet covers he's major stat weakness in Speed,Stone Edge is perfect for Carracosta,Waterfall is a physical water move that suits him and Sword Dance to boost even more its Attack stat.

Steelix
Steelix
Item=Sitrus Berry
Ability=Sturdy
Nature=Impish
Ev=252 Defense/252 Speed/6 Attack
Moveset:
Stealth Rock=Hazard
Toxic=Hazard
Gyro Ball=Attack move
Roar=Force switch out
ROLE:He is my entry hazard he sets up Stealth Rock on the first turn then starts putting oxic on all pokemon of the opposing them with Roar that forces switch out and if it makes it to do a attack I will use Gyro Ball.

Musharna:
Musharna
Item=Twisted Spoon
Ability=Synchronize
Nature=Modest
Ev=252 HP/252 Sp.Defense/6 Speed
Moveset:
Hypnosis=Puts Pokemon to sleep
Future Site=It can be very usefull
Moonlight=Heal
Psychic=Very good Psychic move and STAB
ROLE=He is my slow Sp.Sweeper in the team.Hypnosis is for putting pokemon asleep Future site is for when he is near death Moonlight is for healing and Psychic is a Psychic move that gives also STAB.

Rotom Freeze Form:
Rotom
Item=Leftovers
Ability=Levitate
Nature=Modest
Ev=252 Sp.Attack/126 Defense/126 Sp.Defense
Moveset:
Volt Switch=Deals damage and then switches out
ThunderBolt=Good elettric type move
"Blizzard"=No need to explain
Substitute=Good move and dangerous as well
ROLE:He is a good stat pokemon all around and he is my 2*Sp.Sweeper with nice Defense and Sp.Defense.Volt Switch it's allways a nice move like thunderbolt, Blizzard there no need to explain and Substitute is dangerous.

Absol:
Absol
Item=Life Orb
Ability=Super Luck
Nature=Adamant
Ev=255 Attack/255 Speed
Moveset:
Sucker Punch=Priority
Night Slash=Good Dark move STAB
Sword Dance=Boost even more its Attack
Psycho Cut=Covers Fighting types
ROLE:He is a Physical sweeper.

Altaria:
Altaria
Item=Leftovers
Ability=Natural Cure
Nature=Modest
Ev=252 Sp.Attack/252 Speed/6 Defense
Moveset:
Draco Meteor=Great Dragon type move
Cotton Guard=Ups its Defense
Dragon Dance=Increases Speed and Attack
Dragon Pulse=Great Dragon type move
ROLE:Sp.Sweeper and all around defender.