This is such a good team, for/against the current metagame. It's easy to name how Toxicroak(physical) beats 5/6, LO delphox beats 5/6, Specs Vanilluxe ruins loads etc but damn is it dumb to submit cores with any of those. So because of that I take it the easy route and submit:
LO Dazzel Delphox, all you need now is Stealth Rocks up so you instantly OHKO Golbat, Steelix, Guzzlord who otherwise evade the kill from one of the coverage moves. Only thing after that is Sneasel or anything to revenge Virizion after sacking something. You really don't need to do much else. Because of the the pressure Sneasel provides to keep hazards up, there isn't much else to say about it's synergie.
Malamar @ Normalium Z
EVs: 252 Atk / 4 SpD / 252 Spe
- Happy Hour
- Knock Off
- Psycho Cut
Incineroar @ Assault Vest
EVs: 252 HP / 252 Atk / 4 SpD
- Flare Blitz
- Darkest Lariat
My first glaring impression of the team was how weak it was to Z-Happpy Hour Malamar, kind of beating the entire team after boosts except Scarf Delphox carrying Signal Beam (even then it's a really risky roll: 252 SpA Delphox Signal Beam vs. +1 0 HP / 4 SpD Malamar: 252-300 (80.5 - 95.8%) -- guaranteed 2HKO). So I decided to go down the dark-spam route and add av Incineroar to the team, having the ability to switch into Delphox a numerous amount of times and either hammer it with super-effective stab or pivot out into Malamar, giving it opportunities to set up against the likes of Steelix.
+1 252 Atk Malamar Superpower vs. 0 HP / 0 Def Guzzlord: 512-604 (87.2 - 102.8%) -- 93.8% chance to OHKO after Stealth Rock
+1 252 Atk Malamar Superpower vs. 0 HP / 0 Def Vanilluxe: 354-418 (125 - 147.7%) -- guaranteed OHKO
+1 252 Atk Malamar Psycho Cut vs. 252 HP / 252+ Def Eviolite Golbat: 164-194 (46.3 - 54.8%) -- guaranteed 2HKO after Stealth Rock
+1 252 Atk Malamar Superpower vs. 244 HP / 0 Def Steelix: 170-200 (48.2 - 56.8%) -- 41% chance to 2HKO after Leftovers recovery
+1 252 Atk Malamar Knock Off vs. 0 HP / 0 Def Delphox: 330-390 (113.4 - 134%) -- guaranteed OHKO
+1 252 Atk Malamar Psycho Cut vs. 0 HP / 0 Def Virizion: 356-420 (110.2 - 130%) -- guaranteed OHKO
252 SpA Delphox Signal Beam vs. 252 HP / 0 SpD Assault Vest Incineroar: 55-65 (13.9 - 16.4%) -- possible 7HKO
252 SpA Delphox Dazzling Gleam vs. 252 HP / 0 SpD Assault Vest Incineroar: 58-69 (14.7 - 17.5%) -- possible 6HKO
252 SpA Delphox Fire Blast vs. 252 HP / 0 SpD Assault Vest Incineroar: 60-71 (15.2 - 18%) -- possible 6HKO
Toxicroak @ Life Orb / Darkinium Z
Ability: Dry Skin
EVs: 252 Atk / 4 SpD / 252 Spe
- Swords Dance
- Sucker Punch
- Drain Punch
- Gunk Shot / Stone Edge
Rhydon @ Eviolite
Ability: Rock Head
EVs: 252 HP / 16 Atk / 240 SpD
- Stealth Rock
- Rock Blast / Stone Edge
- Swords Dance / Toxic
Like what rhydonphilip said, physical Toxicroak pretty much beats 5/6 of the team. Rhydon is there to soften Steelix and hurt Golbat which would otherwise be a problem for the Toxicroak sweep, while also providing rocks support to help Toxicroak net some KOs while unboosted. Delphox is less of an issue since it always has to click an attacking move, meaning it either dies to Sucker Punch or switches out and takes 25% from rocks upon switch in. Alternatively Stone Edge can be ran over Gunk Shot on Toxicroak to beat the whole team, since Virizion stil gets 2hkoed by Drain Punch.
252 Atk Life Orb Toxicroak Drain Punch vs. 0 HP / 0 Def Guzzlord: 460-541 (78.3 - 92.1%) -- guaranteed 2HKO
252 Atk Life Orb Toxicroak Drain Punch vs. 0 HP / 0 Def Virizion: 181-214 (56 - 66.2%) -- guaranteed 2HKO
That team relies on HP Ice Sceptile and Scarf Hitmonlee to beat Whimsicott.
For this core Emboar was slaped on to check Sceptile, check Vanilluxe and take on Houndoom who take 1 hit and are checked compleatly by this. You don't need specific sets, just the most standerd ones will do for this as you only really need 2 moves Moonblast and Superpower. Synergie obviously exists in that Whimsi can take advantage of druddigon, which is that teams main way of beating Emboar not mentioning Scarfed Hitmonlee.
252 SpA Choice Specs Whimsicott Moonblast vs. 252 HP / 4 SpD Druddigon: 356-422 (99.4 - 117.8%) -- 93.8% chance to OHKO
252 SpA Choice Specs Whimsicott Moonblast vs. 0 HP / 0 SpD Hitmonlee: 306-360 (126.9 - 149.3%) -- guaranteed OHKO
252 SpA Choice Specs Whimsicott Moonblast vs. 0 HP / 4 SpD Sceptile: 187-222 (66.5 - 79%) -- guaranteed 2HKO
252 SpA Choice Specs Whimsicott Moonblast vs. 0 HP / 4 SpD Houndoom: 196-232 (67.3 - 79.7%) -- guaranteed 2HKO
252 SpA Choice Specs Whimsicott Moonblast vs. 0 HP / 4 SpD Vanilluxe: 171-202 (60.4 - 71.3%) -- guaranteed 2HKO
252 SpA Choice Specs Whimsicott Moonblast vs. 252 HP / 0 SpD Slowbro: 198-234 (50.2 - 59.3%) -- guaranteed 2HKO (you don't need e-ball, just spam this)
252 SpA Choice Specs Whimsicott Energy Ball vs. 252 HP / 0 SpD Slowbro: 374-444 (94.9 - 112.6%) -- 68.8% chance to OHKO
252 Atk Reckless Hitmonlee High Jump Kick vs. 0 HP / 0 Def Whimsicott: 138-162 (52.8 - 62%) -- guaranteed 2HKO
This team has nothing for Fighting/Poison/Dark core, the spinner is Scarf Hitmonlee and there is no T-Spikes absorber on the team. So if you play this okay you able to Toxic the whole team with T-Spikes. Slowbro is the only thing that can come in on Hariyama what give Guzzlord a free switch, even if you predict the Guzzlord and go into Vanilluxe you can go simply back into Hariyama take nothing and they took 2 turns of T-Spikes damage. Fake Out Hariyama is able to chip and stack the turns of T-spikes even more. Garbodor is able to deal with Hitmonlee what otherwise would be a threatening force for the other 2 and as said before if it's locked into Rapid Spin (what it should if T-Spikes are up) you can simply get them up on alot of things. Guzzlord deals with Slowbro, Houndoom and Sceptile if you predict well (also Garbodor is a decent check to Sceptile), no Dragon Resist so can throw off Draco's with ease getting a kill every turn it's in. This trio isable to beat this team easily.