MY POKEMON SHOWDOWN UNDER USED TEAM

Can you guys put some suggestions on my Under Used team? I don`t really have a idea how to use it, but if you guys can rate it, it would be nice! Also i allow you to use my team for Judging or anything else.
Team:
Sceptile-Mega @ Sceptilite
Ability: Lightning Rod
- Dragon Claw
- Leaf Blade
- Swords Dance
- Rock Slide

Togekiss @ Quick Claw
Ability: Serene Grace
EVs: 252 Atk / 4 Def / 252 Spe
Naughty Nature
- Aura Sphere
- Extreme Speed
- Soft-Boiled
- Air Slash

Metagross @ Assault Vest
Ability: Clear Body
EVs: 252 Atk / 252 SpD / 4 Spe
Naive Nature
- Meteor Mash
- Ice Punch
- Earthquake
- Bullet Punch

Cresselia @ Leftovers
Ability: Levitate
EVs: 4 Def / 252 SpA / 252 SpD
Lax Nature
IVs: 0 Atk
- Calm Mind
- Moonblast
- Moonlight
- Psychic

Blissey @ Leftovers
Ability: Serene Grace
EVs: 252 SpA / 252 SpD
IVs: 0 Atk
- Toxic
- Wish
- Soft-Boiled
- Seismic Toss

Infernape @ Black Belt
Ability: Iron Fist
EVs: 252 Atk / 4 Def / 252 Spe
- Flare Blitz
- Slack Off
- Close Combat
- Shadow Claw