My team for the E4

My team for the E4 i need ideas.
Metagross-Mega (naughty) (clear body)
252 Atk, 126 HP, 126 Sp.Def
IVs : 31 ATK, 31 HP, 4 Def, 11 Sp.Atk, 20 Sp.Def, 29 speed
-Zen Headbutt

  • Iron Defense
  • Meteor Mash
  • Ice Punch

D.Snorlax (Docile) (Thick Fat)
252 HP / 252 ATK
31 HP/ 23 ATK/ 31 DEF/ 18 SP ATK/ 4 Sp.Def/ 21 Spd

  • Drain Punch
  • Earthquake
  • Seed Bomb
  • Belly Drum

Gardevoir (Quirky) ( Synchronize)
252 Sp.Atk / 252 SpD
IVS: 25 HP / 22 Atk / 17 Def / 28 Sp.Atk / Sp.Def 27 / Spd 22

  • Calm Mind
  • Moonblast
  • Stored Power
  • Future Sight

Volcarno (Bold) ( Flame body)
Idk the EVS
IVS : 13 HP / 26 Atk / 21 Def / 18 Sp.Atk / 2 Sp.Def / 18 Spd

  • Quiver Dance
  • Idk
  • Idk
  • idk

Giratina ( Timid ) (Pressure)
idk about Evs
14 HP / 17 Atk / 29 Def / Sp. Atk 1 / Sp. Def 21 / Spd 28
Idk moves.

Another one idk.

Why repost?