This gen has gotten to a great start, really liking the designs, the gameplay and the overall innovation. What I'm currently playing is the "pre-pokebank" metagame on PS, to mirror my cartridge game's available pokemon, in order to get some practice in the competitive scene, since I've been out of it for a while. So, I've decided to post my current team here mainly to get some needed feedback.
So, the core I've been trying out ever since is Talonflame + Barbaracle, it's the one thing I want to stick with, and i really love it! Really, one of the most fun ways to play.
Obviously, I would have to add a rapid spinner for Talonflame. At first I was considering Excadrill or Forretress, but I kinda needed something that hit one the special side of the spectrum. So I ended up choosing Starmie. Ferrothorn, then, combos well with Starmie, while also providing valuable Stealth Rocks of my own.
So, since Aegislash has gotten so popular it was becoming a problem for my team. So I decided that I definitely needed a good counter to it. I ended up with defensive Hippowdon which, unfortunately, cannot carry SR in the metagame I chose to play in, but that didn't really matter when my Ferrothorn already had it, but it's a great weather controller regardless. For my "obligatory" Mega, I chose Scizor, since, even though it shares a 4x fire weakness with Ferrothorn, my team could cover well, and it has enough bulk to counter Mega-Gengar.
Testing my final team I came to realize that my Rotom-Wash weakness was really getting on my way. I could handle it with Ferrothorn + Starmie weakening it with Power Whip + Psyshock, but the sets were getting harder and harder to wall in the long run, mainly because of burns. So, I decided on replacing Hippowdon with Gastrodon, which has become an even harder Rotom-Wash counter with the Hidden Power nerf, but I'm still a bit hesitant.
The team:
Talonflame @ Life Orb
Gale Wings
Adamant
192 HP / 252 Atk / 4 SDef / 60 Spd
Barbaracle @ White Herb
Tough Claws
Jolly
4 HP / 252 Atk / 252 Spd
Ferrothorn @ Leftovers
Iron Barbs
Relaxed
252 HP / 48 Def / 208 SDef (0 Spd IVs)
Scizor @ Scizorite
Technician
Adamant
248 HP / 112 Atk / 148 SDef
Rotom-Wash @ Chesto Berry
Levitate
Bold
248 HP / 232 Def / 28 SAtk
Excadrill @ Air Balloon
Mold Breaker
Jolly
4 HP / 252 Atk / 252 Spd
Conclusion
So, I've doing reasonably well with my team, and I like it and I hope you guys like it too. Some of the member make me a little bit hesitant, but when I pull off a Barbaracle sweep or when my Talonflame tears big hole in my opponents' teams, it makes me optimistic. So please rate and suggest any changes if possible, I'm really open and really looking forward to it!
EDIT: So, I've been testing Plus' suggestions and they've really worked wonders, so now I'm definitely adding them to the team.
Hippowdown @ Leftovers
Sand Stream
Impish
252 HP / 252 Def / 4 SDef
Gastrodon @ Leftovers
Storm Drain
Relaxed
252 HP / 252 Def / 4 SDef
Starmie @ Leftovers
Natural Cure
Timid
4 Def / 252 SAtk / 252 Spd


So, the core I've been trying out ever since is Talonflame + Barbaracle, it's the one thing I want to stick with, and i really love it! Really, one of the most fun ways to play.




Obviously, I would have to add a rapid spinner for Talonflame. At first I was considering Excadrill or Forretress, but I kinda needed something that hit one the special side of the spectrum. So I ended up choosing Starmie. Ferrothorn, then, combos well with Starmie, while also providing valuable Stealth Rocks of my own.






So, since Aegislash has gotten so popular it was becoming a problem for my team. So I decided that I definitely needed a good counter to it. I ended up with defensive Hippowdon which, unfortunately, cannot carry SR in the metagame I chose to play in, but that didn't really matter when my Ferrothorn already had it, but it's a great weather controller regardless. For my "obligatory" Mega, I chose Scizor, since, even though it shares a 4x fire weakness with Ferrothorn, my team could cover well, and it has enough bulk to counter Mega-Gengar.






Testing my final team I came to realize that my Rotom-Wash weakness was really getting on my way. I could handle it with Ferrothorn + Starmie weakening it with Power Whip + Psyshock, but the sets were getting harder and harder to wall in the long run, mainly because of burns. So, I decided on replacing Hippowdon with Gastrodon, which has become an even harder Rotom-Wash counter with the Hidden Power nerf, but I'm still a bit hesitant.
The team:

Talonflame @ Life Orb
Gale Wings
Adamant
192 HP / 252 Atk / 4 SDef / 60 Spd
- Brave Bird
- Flare Blitz
- Roost
- Will-O-Wisp

Barbaracle @ White Herb
Tough Claws
Jolly
4 HP / 252 Atk / 252 Spd
- Shell Smash
- Razor Shell
- Stone Edge
- Cross Chop

Ferrothorn @ Leftovers
Iron Barbs
Relaxed
252 HP / 48 Def / 208 SDef (0 Spd IVs)
- Stealth Rock
- Gyro Ball
- Leech Seed
- Protect

Scizor @ Scizorite
Technician
Adamant
248 HP / 112 Atk / 148 SDef
- U-turn
- Bullet Punch
- Pursuit
- Roost

Rotom-Wash @ Chesto Berry
Levitate
Bold
248 HP / 232 Def / 28 SAtk
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Rest

Excadrill @ Air Balloon
Mold Breaker
Jolly
4 HP / 252 Atk / 252 Spd
- Earthquake
- Rock Slide
- Swords Dance
- Rapid Spin
Conclusion
So, I've doing reasonably well with my team, and I like it and I hope you guys like it too. Some of the member make me a little bit hesitant, but when I pull off a Barbaracle sweep or when my Talonflame tears big hole in my opponents' teams, it makes me optimistic. So please rate and suggest any changes if possible, I'm really open and really looking forward to it!
EDIT: So, I've been testing Plus' suggestions and they've really worked wonders, so now I'm definitely adding them to the team.

Hippowdown @ Leftovers
Sand Stream
Impish
252 HP / 252 Def / 4 SDef
- Earthquake
- Rock Slide
- Whirlwind
- Slack Off

Gastrodon @ Leftovers
Storm Drain
Relaxed
252 HP / 252 Def / 4 SDef
- Earthquake
- Scald
- Toxic
- Recover

Starmie @ Leftovers
Natural Cure
Timid
4 Def / 252 SAtk / 252 Spd
- Scald
- Ice Beam
- Thunderbolt
- Rapid Spin
Excadrill @ Air Balloon
Ability: Mold Breaker
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature
- Earthquake
- Rock Slide
- Swords Dance
- Rapid Spin
Barbaracle @ White Herb
Ability: Tough Claws
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature
- Razor Shell
- Stone Edge
- Cross Chop
- Shell Smash
Talonflame @ Life Orb
Ability: Gale Wings
EVs: 192 HP / 252 Atk / 4 SDef / 60 Spd
Adamant Nature
- Brave Bird
- Flare Blitz
- Roost
- Will-O-Wisp
Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 48 Def / 208 SDef
Relaxed Nature
IVs: 0 Spd
- Leech Seed
- Stealth Rock
- Protect
- Gyro Ball
Rotom-Wash @ Chesto Berry
Ability: Levitate
EVs: 248 HP / 232 Def / 28 SAtk
Bold Nature
- Hydro Pump
- Volt Switch
- Will-O-Wisp
- Rest
Scizor @ Scizorite
Ability: Technician
EVs: 248 HP / 112 Atk / 148 SDef
Adamant Nature
- Bullet Punch
- Pursuit
- Roost
- U-turn
Ability: Mold Breaker
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature
- Earthquake
- Rock Slide
- Swords Dance
- Rapid Spin
Barbaracle @ White Herb
Ability: Tough Claws
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature
- Razor Shell
- Stone Edge
- Cross Chop
- Shell Smash
Talonflame @ Life Orb
Ability: Gale Wings
EVs: 192 HP / 252 Atk / 4 SDef / 60 Spd
Adamant Nature
- Brave Bird
- Flare Blitz
- Roost
- Will-O-Wisp
Ferrothorn @ Leftovers
Ability: Iron Barbs
EVs: 252 HP / 48 Def / 208 SDef
Relaxed Nature
IVs: 0 Spd
- Leech Seed
- Stealth Rock
- Protect
- Gyro Ball
Rotom-Wash @ Chesto Berry
Ability: Levitate
EVs: 248 HP / 232 Def / 28 SAtk
Bold Nature
- Hydro Pump
- Volt Switch
- Will-O-Wisp
- Rest
Scizor @ Scizorite
Ability: Technician
EVs: 248 HP / 112 Atk / 148 SDef
Adamant Nature
- Bullet Punch
- Pursuit
- Roost
- U-turn
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