SM OU Mega Venusaur OU

[PokeGV]

Hi everyone, here's my Mega Venusaur team.. I need opinions from you.

Venusaur-Mega (M) @ Venusaurite
Ability: Thick Fat
EVs: 248 HP / 88 Def / 156 SpD / 16 Spe
Calm Nature
IVs: 0 Atk
- Giga Drain
- Sludge Bomb
- Synthesis
- Hidden Power [Fire]

Celesteela @ Leftovers
Ability: Beast Boost
EVs: 248 HP / 28 Def / 232 SpD
Sassy Nature
- Leech Seed
- Protect
- Heavy Slam
- Flamethrower

Tapu Fini @ Leftovers
Ability: Misty Surge
EVs: 248 HP / 8 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Taunt
- Nature's Madness
- Moonblast
- Scald

Heatran (M) @ Firium Z
Ability: Flash Fire
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
- Magma Storm
- Earth Power
- Taunt
- Toxic

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

Zygarde @ Leftovers
Ability: Aura Break
EVs: 236 HP / 160 SpD / 112 Spe
Jolly Nature
- Thousand Arrows
- Substitute
- Coil
- Glare

 

[Sundery]

Not any hazards setter? Not even a easy stealth rock? Zards say thanks

Btw I may prefer celesteela relaxed here, with 248hp/204def/156 spd
Otherwise u may have hard time with this team dealing with "TapuLucha"

 

[Gross Sweep]

Welcome to Smogon! I'm locking your RMT for the time being as the forum rules require that you provide in-depth descriptions for each Pokemon to explain their roles. Please read the rules carefully and take a look at Team Showcase to see the level of detail we require. PM me with updated descriptions and I'll be happy to unlock this.