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Looks awesome man! Ty!Sixes_ you requested a team with the core perish trap lapras + stockpile guzzlord and here's my honest attempt at trying to make a team:
I'm not very good at making gimmicky teams, and this request is quite hard because I don't ever remember to see stockpile being used competitively, and perish trap can be very inconsistent when your opponent knows what is coming but that's what I was able to do. Lapras has enough speed to creep vaporeon and what might try to creep vaporeon, I went with heavy duty boots + rest > leftovers + protect because it feels a bit more consistent after a few tests. You could use whirlpool > block if you really feel like *trying* to remove ghosts is useful, but guzzlord is already a roadblock for most of what you will find. As for stockpile guzzlord, I had no idea of what I could do, besides perhaps sitting there and spread toxic? I decided to go with stockpile + body press (with that sky-high base 53 defense even at max you are not dealing a lot of damage) with dark pulse for ghost types, and even with 25 ivs and no investment you can still 2hko ghostvally while you keep defense as your highest stat for beast boost. You could run toxic > dark pulse and/or ditch the speed and just put in SpD, but do as you wish (try to never find Haunter and Xatu if you toxic) beware that having two rest mons without sleep talk is very exploitable though,
As for the team, lapras and guzzlord have together a great weakness to fighting types and for that, I decided to go with palossand + talonflame since they can check / revenge kill this dangerous stuff while providing rocks + removal. You could go with will-o-wisp/toxic > u-turn on talonflame to help to spread status to support guzzlord if you desire to. Talonflame is also useful for speed control since the first 3 mons are incredibly slow. To finish this, I picked lanturn for a better fire/ice type check and overall decent special sponge (ig you could go with the bulky pivot set so you can check braviary better, but I like AV lanturn power and coverage) and scarf passimain for speed control and as a bonus, it can potentially lure in aromatisse and you hopefully will be able to trap it? That's wishful thinking.
There are big problems like playing against virizion, roserade, alolan exeggutor and abomasnow is a pain, so here's an alternative version with silvally-steel if you want to mitigate the problem with this stuff a bit (besides virizion): https://pokepast.es/ebfb0b0923c1cc35 (be very careful against water/rock mons)
Hope you like it!