Rate my National Dex 2021 team

Question

I've recently grown interested in cosmic power clefable and mega sabeleye, and have been trying to build a viable team around the two. The team has been working well for me, but I have found that corviknight and ferrothorn aren't too useful (mostly corviknight). Any suggestions would be welcome.

Clefable (M) @ Leftovers
Ability: Unaware
EVs: 248 HP / 60 Def / 200 SpD
Calm Nature
IVs: 0 Atk
- Moonblast
- Stored Power
- Cosmic Power
- Soft-Boiled

Sableye-Mega @ Sablenite
Ability: Magic Bounce
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Calm Mind
- Will-O-Wisp
- Dark Pulse
- Recover

Corviknight @ Sitrus Berry
Ability: Unnerve
EVs: 252 HP / 4 Def / 252 SpD
Careful Nature
- Defog
- Brave Bird
- Iron Head
- U-turn

Magnezone @ Air Balloon
Ability: Magnet Pull
EVs: 108 HP / 252 Def / 88 SpA / 60 Spe
Bold Nature
IVs: 0 Atk
- Substitute
- Discharge
- Iron Defense
- Body Press

Ferrothorn @ Rocky Helmet
Ability: Iron Barbs
EVs: 252 HP / 248 Def / 8 SpD
Impish Nature
- Power Whip
- Leech Seed
- Stealth Rock
- Protect

Gyarados-Mega @ Gyaradosite
Ability: Mold Breaker
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Dragon Dance
- Earthquake
- Waterfall
- Crunch

Clefable and Mega Sabeleye are the two main setup sweepers.

Mega Gyarados is the speedy revenge killer.

Magnezone is meant to trap, set up on, and body press steel types that wouod give clefable and sabeleye trouble.

Ferrothorn was meant to set up rocks and make it easier for clefable and the megas with it's switch in damage.

Corviknight was meant to be a defoger, for when mega sabeleye wasn't able to safety switch in and use it's magic bounce ability.

Answer 1

First I think that will-o-wisp is weird. You should replace it with some type of coverage move. In addition to that Corviknight needs improvement and you should get a better hazard setter. I made some new sets to help you.

Corviknight @ Sharp Beak / Leftovers
Ability: Mirror Armor / Pressure
EVs: 252 HP / 128 Def / 128 SpD
Careful Nature
- Defog
- Dual Wingbeat
- Bulk Up
- Body Press

This set makes Corviknight not only a defogger but also a wallbreaker. It is immune to toxic, can hit through subs because of dual wingbeat, and get rid of hazards. The ability allows you to either pp stall or reflect stat drops. The item allows dual wingbeat to do more damage or to heal Corviknight a bit.

Forretress@ Custap Berry
Ability: sturdy
252 hp/ 252 def/ 4 sp att OR 252 hp / 252 sp def / 4 sp att
Nature: +def -att OR +sp def -att
Toxic Spikes
Stealth Rock
Spikes
Volt Switch

Forretress is way better than Ferrothorn because custap berry + sturdy almost always guarantees at least two moves. Also when you finish doing your job get out of there with volt switch unlike Ferrothorn. In addition to that you have access to all three hazards also unlike Ferrothorn. You may invest in either defense or special defense. I hope that your team will do great now.

Comments

How on earth is Forretress a better hazard setter than Ferrothorn? Why should Corviknight have no item? Why Mirror Armor over Pressure if Pressure lets Corviknight PP stall Stealth Rock? Why Dual Wingbeat over Brave Bird? Corviknight needs Roost too.

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Oh sorry I forgot the item. I will fix my answer.