Rate my Gen 8 pure hackmons team

Question

Big monster (Eternatus-Eternamax) @ Leftovers
Ability: Simple
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe
Jolly Nature
- Shift Gear
- Baton Pass
- Nasty Plot
- Spectral Thief

Doggy of death (Zacian-Crowned) @ Choice Scarf
Ability: Neutralizing Gas
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe
Jolly Nature
- Double Iron Bash
- Glacial Lance
- Pyro Ball
- Bolt Beak

Mr. OH-KO (Regieleki) @ Choice Scarf
Ability: No Guard
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe
Jolly Nature
IVs: 0 Atk
- Fissure
- Horn Drill
- Sheer Cold

I am not cheese (Shedinja) @ Lum Berry
Ability: Sturdy
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe
Jolly Nature
- Safeguard
- Endeavor
- Attack Order
- Gastro Acid

Scary thing (Giratina-Origin) @ Power Herb
Ability: Neutralizing Gas
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe
Modest Nature
IVs: 0 Atk
- Fusion Flare
- Geomancy
- Thunderbolt
- Ice Beam

Annoy (Shuckle) @ Heavy-Duty Boots
Ability: Neutralizing Gas
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe
Calm Nature
IVs: 0 Atk
- Court Change
- Toxic
- Topsy-Turvy
- Stealth Rock

Mainly looking for giratina replacement.
Here are two replays:
https://replay.pokemonshowdown.com/gen8purehackmons-1377090077-ugcocavbs0c2pb0c32jayow0osn36y2pw
and
https://replay.pokemonshowdown.com/gen8purehackmons-1378836686-qznqtlwd207gllm3jnpbvdv762vmojjpw

Comments

This.... is extremely unviable............
Abilities outside Comatose, Magic Bounce and Gulp Missile are useless because Neutralising Gas is everywhere, your Pokémon choices are questionable, and the move choices are even more questionable.
I'll surely expand later.

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Thank you. I hope you have time to answer soon.     
I actually rarely see neutralizing gas and the team does work.

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Somebody said they would answer my question eventually but they never did and I don’t want that to happen again :(

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They said they would expand later, they have actual lives and are not just robots on this website. Just be patient.

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I'm really really sorry but irl things have made me really busy.
And about the team, I'm sorry again, it's quite unviable, you're better off with a sample.
And wasn't there a rule which did not permit unviable teams? Like have a grasp of the metagame before posting a team?

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It’s perfectly fine and the seems to work ok. I’ll put one or two replays so you can see what it does.

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the replays are very low ladder. i'm pretty sure Cramorant, Copperajah and Gengar are unviable in pure hackmons

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Yeah you are low ladder against noobs that is why you are winning

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..? The team works in low ladder and won't work in the high ladder or against good players. Join us at Old Shark [https://play.pokemonshowdown.com/oldshark] and play/ask for a few roomtours, and then have a look at the match and the team.
And yes Gengar is outclassed by Drifblim and Giratina, and Copperajah is outclassed by Zacian-C. But Cramorant is one of the best Pokémon in the current meta lol.

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And also you don’t have any Invincible Eternamax which usually means gg team preview as you have an EXTREMELY big disadvantage.
And yes Cramorant is extremely useful and might be A+ when the VR’s get updated to the post-DLC meta.