ITT: post your competitive teams that have been doing well at the dawn of a new meta

Greninja @ Life orb
Ability: Protean
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
>Hydro Pump
>Dark Pulse
>Ice Beam
>Hidden Power [Fire]

Rotom-W @ Cuoco berry
Ability: Levitate
EVs: 248 HP / 28 SAtk / 232 SDef
Calm Nature (+SDef, -Atk)
>Hydro Pump
>Volt Switch
>Trick
>Will-O-Wisp

Talonflame @ Choice band
Ability: Gale Wings
EVs: 252 Atk / 4 Def / 252 Spd
Adamant Nature (+Atk, -SAtk)
>Flare Blitz
>Steel Wing
>U-turn
>Dive Bomb

Garchomp @ Leftovers
Ability: Dust Coat
EVs: 252 HP / 176 Def / 80 Spd
Jolly Nature (+Spd, -SAtk)
>Dragon Claw
>Earthquake
>Poison Jab
>Swords Dance

Aegislash @ Haste Ring
Ability: Stance Change
EVs: 244 HP / 252 Atk / 12 Spd
Brave Nature (+Atk, -Spd)
>Swords Dance
>King's Shield
>Shadow Sneak
>Sacred Sword

Kangaskhan @ Kangaskhanite
Ability: Scrappy -> Parental Bond
EVs: 252 Atk / 4 SDef / 252 Spd
Jolly Nature (+Spd, -SAtk)
>Power-Up Punch
>Sucker Punch
>Return
>Earthquake