Rmt need lots of help

[Ladekhan]

Im a noob and i havent been doing competive battling for awhile and it will be helpful if u told me some recent news.
Here is my current team.

Dusknoir@Leftovers
Impish
Evs 252 hp 252 def 4 Spd
WoW (will-o-wisp)
Fire Punch
Shadow Sneak
Pain Spilt
Im debating over firepunch, icepunch, thunder punch and shadow sneak so which one?

Porygon-Z@Life Orb
Timid
Evs 252 special att 252 spd 6 hp
Ice Beam
Nasty Plot
Tri Attack
Dark Pulse
Standard Nasty Plot Set.

Weavile@Choice Band
Jolly
Evs 252att 216spd 40hp
Pursuit
IcePunch
BrickBreak
NightSlash
Revenge Killer

Garchomp@Choice Scarf
Evs 252 att 252 speed 6 hp
Jolly
Outrage
FireBlast/Fire Fang?
DragonClaw
EQ
ScarfChomp once again another excellent revenge killer

Togekiss@Leftovers?
Evs 252hp 200special defence 52def 6spattack
Calm
Thunder Wave
Roost
Aura Sphere
Air Slash
Standard Paraflich Set not sure if i should get King's Rock or not

Sceptile@Expert Belt
Evs 252 att 252 speed 6hp
Jolly
Leaf Blade
Dragon Claw
Swords Dance
Brick Break
Standard Swords Dance Set i might switching this out for a special swper like SDluke, specsmence or specstran plz help.

 

[Angeling]

... Why are you posting in the third gen RMT when you have fourth gen Pokémon in your team? You can't even trade from D/P to R/S/E/FR/LG, so.. your thread doesn't even make any sense. Post in the correct section next time.