SM OU Latias Team

[Dnf_Bowser]

Hey Guys I got a Mega Latias Team, furthermore I need some help because I think it can be optimized.

My Team :

Hello there,

I am pretty new to Pokemon Showdown and I made a Team.
I really need improvement cause I am lacking how it seems.

My Team:
Latias-Mega @ Latiasite
Ability: Levitate
EVs: 252 HP / 4 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Surf
- Calm Mind
- Stored Power
- Recover

Tapu Koko @ Choice Specs
Ability: Electric Surge
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunderbolt
- Dazzling Gleam
- Volt Switch
- Hidden Power [Ice]

Heatran @ Firium Z
Ability: Flash Fire
Shiny: Yes
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Taunt
- Toxic

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Moonblast
- Soft-Boiled
- Stealth Rock
- Wish


Tangrowth @ Assault Vest
Ability: Regenerator
Shiny: Yes
EVs: 248 HP / 8 Def / 252 SpD
Sassy Nature
- Giga Drain
- Knock Off
- Hidden Power [Ice]
- Sludge Bomb


Landorus-Therian @ Choice Scarf
Ability: Intimidate
Shiny: Yes
EVs: 244 Atk / 68 Def / 196 Spe
Jolly Nature
- Defog
- Stone Edge
- Defog
- U-turn

Thank You for your help.

 

[Gross Sweep]

Hi - I'm locking your RMT for the time being since you're only allowed to post one team every two weeks. This is stated in the forum rules. I'll reopen this thread on Jan 18th upon request.