I would like some tips on my Gen 6 team that I am trying to make.

I currently have:
Mewtwo: Lv. 100
Item: Mewtwonite X
Moves:
Ice Beam
Psystrike
Lightning Bolt
Aura Sphere

Blaziken: Lv. 71
Item: Blazikenite
Moves:
High Jump Kick
Shadow Claw
Brave Bird
Flare Blitz

Sylveon: Lv. 83
Item: Pixie Plate
Moves:
Psyshock
Draining Kiss
Moonblast
Dazzling Gleam

Lucario: lv. 84
Item: Lucarionite
Moves:
Dragon Pulse
Aura Sphere
Shadow Claw
Extreme Speed

Sigilyph: Lv. 67
Item: None
Moves:
Sky Attack (due to change soon)
Fly
Ice Beam
Psychic

Gliscor: Lv. 55
Item: None
Moves:
Acrobatics
Guillotine
Sky Uppercut
Sludge Bomb (due to change soon)

I also have (these can be moved onto the team):
Stunfisk: Lv. 61
Malamar: Lv. 40
Klefki: Lv. 59
Delphox: Lv. 66
Aegislash: Lv. 47 (does not have Kings Shield YET)
Magnezone: Lv. 46
Talonflame: Lv. 79
Metang (soon to be Metagross): Lv. 41
Dragonair (soon to be Dragonite): Lv. 36
Helioptile (soon to be Heliolisk at Lv. 50): Lv. 38
Medicham: Lv. 45
Blastoise: Lv. 67 (Blastoisinite)
Charizard: Lv. 45 (Charizardite X)
Scizor: Lv. 47 (Scizorite)
Alakazam: Lv. 54 (Alakazamite)
Absol: Lv. 60 (Absolite)
Gengar: Lv. 68 (Gengarite)
Xerneas: Lv. 61
Chandelure: Lv. 41

Any suggestions on what I should switch, PLEASE HELP!

Mewtwo: Lv. 100
Item: Mewtwonite X
Moves:
Ice Beam Psycho Cut
Psystrike Power-up punch
Thunderbolt Ice Beam
Aura Sphere Earthquake

Blaziken: Lv. 71
Item: Blazikenite
Moves:
High Jump Kick
Shadow Claw Protect
Brave Bird Bulk up/ Swords Dance
Flare Blitz

Sylveon: Lv. 83
Item: Pixie Plate Lum berry
Moves:
Psyshock Wish
Draining Kiss Calm Mind
Moonblast
Dazzling Gleam Psyshock/Baby-doll eyes

Lucario: lv. 84
Item: Lucarionite
Moves:
Dragon Pulse Bullet Punch
Aura Sphere
Shadow Claw Flash Cannon
Extreme Speed Nasty Plot

Sigilyph: Lv. 67
Item: None Flame Orb
Moves: Ability: Magic Guard
Sky Attack (due to change soon) Psycho Shift
Fly Roost
Ice Beam Cosmic Power
Psychic Stored Power

Gliscor: Lv. 55
Item:None Toxic Orb
Moves: Ability: Poison Heal
Acrobatics Substitute
Guillotine
Sky Uppercut Bulldoze
Sludge Bomb (due to change soon) Protect/Toxic
[/quote]

Not much more I can suggest without Abilities, EV's IV's, Natures. Also assuming this is for matchup wifi free battles.

I can't much say I agree with all of the changes but you have brought quite a few good moves to my attention in that. Thank you for the help!