Planning to build this in game

[Jedidr]

I’m planning to make this in game, but I’m new to the vgc thing. I took heavy insoeration from smogon for these sets. What do you think?

Booloo (Tapu Bulu) @ Assault Vest
Ability: Grassy Surge
EVs: 244 HP / 84 Atk / 20 Def / 100 SpD / 60 Spe
Adamant Nature
- Wood Hammer
- Horn Leech
- Superpower
- Rock Slide

Xion (Mawile) (F) @ Mawilite
Ability: Intimidate
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Iron Head
- Sucker Punch
- Play Rough
- Protect

Swirls (Politoed) (M) @ Sitrus Berry
Ability: Drizzle
EVs: 220 HP / 148 Def / 84 SpA / 52 SpD / 4 Spe
Calm Nature
- Scald
- Ice Beam
- Encore
- Protect

Spikes (Ferrothorn) (M) @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 40 Atk / 76 Def / 140 SpD
Relaxed Nature
IVs: 0 Spe
- Gyro Ball
- Power Whip
- Leech Seed
- Protect

Alfor (Aegislash) (M) @ Ghostium Z
Ability: Stance Change
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Spe
- Shadow Ball
- Flash Cannon
- Wide Guard
- King's Shield

Tridra (Hydreigon) (M) @ Choice Specs
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Draco Meteor
- Dark Pulse
- Flamethrower
- Earth Power

 

[j2y8n2x]

Looks good enough to me, nothing too peculiar.

But it seems rather dependent on weather (rain), otherwise, your team is very weak to fire.
You might want to have another rain setter instead of Hydreigon or Aegislash.
(Like Pelipper, but you can also use Thundurus to set up weather manually)