ORAS OU Rate my first attempt at a proper team

[Jasrad]

Still a WIP, few 'mons I'd like to change but currently my team is this:

Aegislash (I know it's banned)
Nature: Brave
IVs: 31/31/x/31/31/x
EVs: 252 Atk 128 Def 128 SpDef

Moveset:
King's Shield
Swords Dance
Shadow Sneak
Sacred Sword

Hydreigon
Nature: Modest
IVs: Unknown
EVs: 252 Spe 252 SpAtk 4 HP

Moveset:
Dragon Pulse
Dark Pulse
Flash Cannon
Hyper Voice

Greninja w/Protean
Nature: Modest
IVs: 31/x/x/31/x/31
EVs: 252 Spe 252 SpAtk 4 HP

Moveset:
Ice Beam
Extrasensory
Dark Pulse
Surf

Charizard w/Charizardite Y
Nature: Modest
IVs: Unknown
EVs: 252 SpAtk 252 Spe 4HP

Moveset:
Heat Wave
Blast Burn
Fly
Solar Beam

Togekiss w/Serene Grace
Nature: Quiet
IVs: 31/x/x/31/31/31
EVs: 252 Sp Atk 252 HP 4 SpDef

Moveset:
Shadow Ball
Air Slash
Dazzling Gleam
Psychic

Tyranitar
Nature: Hardy
IVs: Unknown
EVs: Mixed, most in Atk and HP

Moveset:
Stone Edge
Crunch
Earthquake
Cut (want to replace with stealth rock, not sure if I can)

So there it all is, I know there's plenty of flaws so feedback is appreciated. Considering putting a Gengar in there somewhere also.