Rate my Gen 8 AG Team

Question

https://pokepast.es/fb939e7077d9691a

Okay. This is what I call a 'basic team', but I still want it rated.
Zacian-Crowned @ Rusted Sword
Ability: Intrepid Sword
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Behemoth Blade
- Crunch
- Play Rough
- Wild Charge

Calyrex-Shadow @ Focus Sash
Ability: As One (Spectrier)
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Astral Barrage
- Taunt
- Psyshock
- Pollen Puff

Groudon @ Leftovers
Ability: Drought
Shiny: Yes
EVs: 252 HP / 4 Def / 252 SpD
Careful Nature
- Swords Dance
- Thunder Wave
- Earthquake
- Stone Edge

Lugia @ Leftovers
Ability: Multiscale
Shiny: Yes
EVs: 252 HP / 4 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Defog
- Whirlwind
- Aeroblast
- Roost

Kyogre @ Choice Scarf
Ability: Drizzle
Shiny: Yes
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Water Spout
- Origin Pulse
- Ice Beam
- Thunder

Ditto @ Choice Scarf
Ability: Imposter
EVs: 252 HP / 4 SpD / 252 Spe
Hasty Nature
IVs: 30 Atk
- Transform

Comments

Seems like a very solid team, but I would change a few things. For Zacian, I think Close Combat is usually better than Play Rough to cover Arceus and Steels. I don't really understand Taunt on Calyrex-S, I would so Nasty Plot is better. Setup sweepers are already stopped by Ditto. Defog Lugia I think should always have Heavy-Duty Boots, and Toxic might be better than Aeroblast. I don't really understand Maximum Speed investment, Lugia is meant for bulk. Ditto usually runs max HP and Defense (just for Struggle). It's just a tiny detail, but speed cannot be used at all once transformed, since you copy all opponent's EVs, but I just wanted to point that out.

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Thanks for the advice. First, I'd like to start with the fact that Arceus isn't in Gen 8 AG. I don't really find myself having trouble with steel types. I like having taunt to deal with status moves and setup sweepers and such, but I will see which works best. I'll do Defense for ditto. I'll switch to heavy duty, as I was already considering that. I will switch around moves and EVS with Lugia to see which works best. Once again, thanks for the advice.

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Ah okay, I'm always used to seeing National Dex AG and not regular AG. In that case, I think Play Rough can be kept, or another move like Substitute to avoid being reverse swept by Ditto.

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waiting for swas to comment or answer

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Don't wait for me because I have my classes that will go for more than 2-3 hrs.