XY OU xy ou, Need help to fix my team+1500

[SirAArron]

Mega Abomasnow @ Abomasite
ability: Snow Warning
Evs: 252 Spa 8 hp 52 atk 32 def 164 spd
Mild nature
-Blizzard
-Giga drain
-focus blast
-ice shard

Rotom-Heat @ choice scarf
ability: levitate
Evs: 252 spa 252 spd 4 spd
modest nature
-overheat
-volt switch
-hidden power grass
-thunderbolt

Reunculis Life Orb
ability: magic guard
Evs: 252 spa 192 hp 64 def
quiet nature
-trick rooom
-psyshock
-focus blast
-shadow ball

Greninja Focus sash
ability: protean
Evs: 252 spa 252 spe 4 def
timid nature
-hydro pump
-ice beam
-extrasensory
-grass knot

Terrakion Choice Snarf
ability: justified
Evs: 252 atk 252 spe 4 spd
jolly nature
-close combat
-stone edge
-earthquake
-X-scissor

Skarmory @ rocky helmet
ability: sturdy
Evs: 252 hp 252 def 4 spd
impish nature
-stealth rock
-whilrwind
-roost
-brave bird

 

[IronBullet]

Hi, it is required that you have a minimum of three lines of description for each Pokemon to explain your choices and their roles as outlined by the RMT rules. Please read them carefully before posting a thread here. PM me with an updated version of your RMT after you review the rules and I'll reopen this thread.