If it wasn't weak to Stealth Rock then I would say MAYBE get it ranked in D but SR just hinders it too much imo specially when it's your spinner. With Stealth Rock on the field it struggles to wall all these threats. It's outclassed by Skarmory as well as -Clone- pointed out already.
Anyways I'll just talk about my opinion of Gothitelle and Magnezone since I haven't really used the others too much.
Magnezone shouldn't move up it's being overrated a lot and A- is just fine for it. The usage of it has also made people adapt by using Shed Shell, Jolly Talonflame, etc which isn't good for Magnezone.
Gothitelle is also just fine where it is just because it's ability is so good and forces Trick on things like Mew turning it into easy set up with Calm Mind. It also has the Specs set which is pretty good as well. It's not very good against offense but can still fire off some attacks or Trick something.
Anyways I'll just talk about my opinion of Gothitelle and Magnezone since I haven't really used the others too much.
Magnezone shouldn't move up it's being overrated a lot and A- is just fine for it. The usage of it has also made people adapt by using Shed Shell, Jolly Talonflame, etc which isn't good for Magnezone.
Gothitelle is also just fine where it is just because it's ability is so good and forces Trick on things like Mew turning it into easy set up with Calm Mind. It also has the Specs set which is pretty good as well. It's not very good against offense but can still fire off some attacks or Trick something.