I have this team saved in showdown as "Literal Aura" because its really good and got me like 200 Elo in a day with minimal losses. At the time of this question in reg MB on showdown I am at a record high at 1415 elo (in MB format).
Floette-Mega (F) @ Floettite
Ability: Flower Veil
Level: 50
EVs: 32 HP / 16 Def / 12 SpA / 6 SpD
Bold Nature
- Calm Mind
- Draining Kiss
- Dazzling Gleam
- Protect
Bulky Floette draining kiss set that I like.
Basculegion @ Choice Scarf
Ability: Adaptability
Level: 50
EVs: 7 HP / 32 Atk / 3 SpD / 24 Spe
Jolly Nature
- Flip Turn
- Aqua Jet
- Wave Crash
- Last Respects
Absolute beast in endgames, has 1v4'ed teams with last respects. Can out speed Timid Mega Raichu Y.
Incineroar @ Shuca Berry
Ability: Intimidate
Level: 50
EVs: 32 HP / 2 Atk / 19 Def / 11 SpD / 2 Spe
Adamant Nature
- Fake Out
- Flare Blitz
- Parting Shot
- Throat Chop
Pretty Standard Set.
Whimsicott @ Focus Sash
Ability: Prankster
Level: 50
EVs: 2 HP / 32 SpA / 32 Spe
Timid Nature
- Moonblast
- Tailwind
- Encore
- Protect
Also standard. Likes fairy aura from floette.
Garchomp @ Sitrus Berry
Ability: Rough Skin
Level: 50
EVs: 25 HP / 16 Atk / 11 Def / 3 SpD / 11 Spe
Jolly Nature
- Stomping Tantrum
- Rock Slide
- Dragon Claw
- Protect
I prefer the bulky sitrus berry garchomps, still does respectable dmg while being able to tank a lot of attacks.
Charizard-Mega-Y @ Charizardite Y
Ability: Drought
Level: 50
EVs: 16 HP / 18 Def / 21 SpA / 11 Spe
Modest Nature
- Protect
- Heat Wave
- Weather Ball
- Solar Beam
Standard char Y.
This team just works so well together with great offense and defense.