How to make a professional monotype trick room team

[Elite Four Accurately]

Hey guys, its me Accurately, I go by the name 'Accurately' on the server called origin.
People often ask me how I made my team, and even more about how I run it. So here I provide you with it :D an importable can be found on the link https://pastebin.com/4rJXZSs1

Credit my team has earned: time and time again, I have qualified as elite four in lotus league and have peaked 8th on the ladder. Here is a screenshot: https://imgur.com/PhdPl11

So I shall explain how my team is run, and then provide further options in movesets as well as pokemon for your flexibility.

But first, time for a group photo :D

Claydol

Pinkie Pie (Claydol) @ Life Orb
Ability: Levitate
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Atk/ 0 Spe
- Stealth Rock
- Rapid Spin
- Earth Power
- Ice Beam

Claydol...the word to describe it is... diverse. This was the most recent addition to my team and claydol suited the role best. Its good at hazard removal, and I've gained some experience as to time my rapid spin with air balloon pop and multiscale breaking moments. Victini can switch to Claydol when it faces physical threats with ground and rock moves like terrakion, landorus and garchomp. If trick room is up, it gets a guaranteed move, and here it can chose whether it wants to use a hazard, get rid of hazards on its side of the field or just attack. Earth Power deals damage on anything that's grounded, and Ice beam deals with grass and flying types that resist or evade earth power.
Needless to say, the EVs are added after some calc...You would want to send claydol in mid-game or late game depending on the situation. Its trained to KO with super effective moves so don't worry about its power, you should be more careful about its bulk. It has 6 weaknesses which is a lot...So the best way to switch it in is to setup trick room with victini, gardevoir or slowbro in the first step, and if you feel a super effective move for claydol coming in, dont switch to claydol...if you feel they might use a neutral move, or the move is super effective but too weak, like knock off on mew or ferrothorn, you can come in on claydol and then, hazard control is definitely in your favour. Also slowbro can switch to claydol for electric moves to get walled.
Other options: You can try having HP Fire but I have flamethrower on slowbro and v-create on victini which are far better. Psychic/shock can deal with something like gengar but given gengar's stab, gengar is very likely to shadow ball and kill, so its a much better idea to switch out to meloetta.
You can try investing in physical attack, but then you might get susceptible to a burn. A set I once tried was power trick, eq, self destruct, and a filler which is anything out of trick room, rapid spin, zen headbutt, gravity, stone edge or stealth rock. Psychic doesn't get powerful ground moves, and the next best EQer metagross dies to heatran easily, and heatran's only job is to annoy victini by switching in so claydol is a much better option than metagross(That's right, I said it)

Mega-Gardevoir

pic credits Jiayi on deviantart

Twilight Sparkle (Gardevoir) (F) @ Gardevoirite
Ability: Trace
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Spe
- Hyper Voice
- Trick Room
- Focus Blast
- Psyshock

Mega-Gardevoir has 165 special attack which is one of the highest special attack stats, hands down. And hyper voice has 117 power with pixilate, thus making gardevoir a titanium wall-breaker. It can easily ohko the therian and incarnate birds, and also a lot of flying types after stealth rock...but the best thing gardevoir does is nail dragons...Of course, it has another important role in ohkoing sableye, but in general gardevoir does a lot better against dragon types than it does dark. Since some dragons spam sub, and a lot of them dont have any priority, gardevoir with trick room setup ohkos every dragon except goodra, multiscale dragonite and dragalge. Dragalge can be done in with psyshock, but watch out! dragalge can outspeed gardevoir in trick room, (also watch out for druddigon if you ever run into one, it can carry gunk shot). So when trick room is UP, you kill the faster dragon types and switch when the slower ones come in, when trick room is DOWN, you kill the slower ones and switch on the fast ones if you think you can tank their hit to set trick room back up. A good way I try to waste trick room time if I have super slow opponents, is switch to fake out medicham.
Trace is an ability that requires some prediction...if you have say a storm drain gastrodon attacking claydol with a scald, and you feel the move coming in, if you switch to trace gardevoir you get your special attack raised! Similarly, if Slowbro is facing a manectric that is yet to mega, there is a chance it has lightning rod, and the same thing will happen again! Trace also works in powering down some pokemon that carry intimidate. However after you mega, you no longer have trace, but if you stay in, you can get the benefits of both trace and pixilate at the same time, like the raised special attack.
Hyper Voice is only walled by steel and poison types, for which I keep focus blast and psyshock respectively. The only trouble I have is with facing aegislash, which is easy to 2hko with meloetta.

Other options: gardevoir has 130 special defense, so it can run a few support strats like taunt, wish, healing wish, screens etc. and can run shadow ball to cover aegislash if it becomes too much of a problem, although ur almost always good to go against aegislash if you have a healthy meloetta. Just keep hyper voice staple, and experiment around with other moves depending on your team.

Medicham

pic credits kokorotoyume on deviantart

Rainbow Dash (Medicham) @ Wide Lens
Ability: Pure Power
EVs: 252 HP / 252 Atk / 4 Def
Brave Nature
IVs: 0 Spe
- High Jump Kick
- Zen Headbutt
- Fake Out
- Rock Slide

Medicham is extremely powerful, just like many of his teammates. It is not a good switch in most of the time, but if the enemy is missing any ghost types, it can come in on a few dark and bug moves, and deal a substantial amount of damage with high jump kick, which has near perfect accuracy with wide lens. A stab move with a decent flinch chance in zen headbutt provides for coverage of poison and fighting types, and rock slide is for the flying and bug types that resist HJK. Since they all have near perfect accuracy, decent coverage and a flinch chance, it can go a long way combining these moves with the effective 168 base attack stat medicham has. Medi can barely survive megahorns from heracross and scolipede, thus making it a pretty good bug counter. Its also really good at denting steel teams, along with slowbro.
other options: medicham can keep bullet punch, trick with a choice band/scarf, and it gets the elemental punches. So if you ever lack in elemental coverage, medicham can always help you compensate using it's move set. If you wish to use a power item instead of using a wide lens, you can try life orb with drain punch, as it also helps medicham recover health, while losing only 10% of it. You can also try life orb with hjk for the strength of it, but there is too much loss of HP if you consider the 10% chance of HJ miss.

Meloetta

pic credits aoitakeshi2

Fluttershy (Meloetta) @ Choice Specs
Ability: Serene Grace
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Atk / 0 Spe
- Focus Blast
- Psychic
- Shadow Ball
- Energy Ball

Meloetta is normal type, so it is immune to ghost moves. This makes it especially difficult for your opponents to kill pretty much anything on your team that has a ghost weakness. Apart from that, it has 128 special attack, which, although not as high as gardevoir's, is pretty high. And it can be made even higher, using a choice specs. the stat itself reaches reaches 585 with specs, which in base numbers is effectively around 215. Its best against shadow sneakers, and is surprisingly faster than many ghost types outside trick room...You would want to identify its speed, as pokemon such as golurk are run both faster and slower than HO meloetta. It is amazing at walling ghost types, but remember to be careful....if an aegislash pops up on you, you need to save meloetta exclusively for it. It can ohko physically defensive Hippowdon with energy ball, so you if you see sand-based strats, you can snipe hippowdon with meloetta turn 1, so even if he switches out somehow predicting the move, the switch in should face some hard damage. Its also nice to beat many water, rock and ground mons, and its important to beat the water/ground ones on ground teams that wall slowbro.
Shadow ball is absolutely necessary as it fights ghosts. Focus blast is for covering steel pokemon like heatran, when they arent expecting it, and is also a hard hitting move, with an accuracy downside. Psychic is also a decent stab move, since normal stab doesn't contribute to coverage, I keep focus miss, although I have seen hyper voice work pretty well on it on other teams. In the end, bisharp and scizor are the hardest psychic hurting pokemon, so a move like focus blast helps deal a ton of damage on those, compared to hyper voice.

Other options: meloetta can be run in a lot of ways, the relic song and close combat set, you could add thunderbolt, signal beam, dazzling gleam, hp Fire/ice, or a trick set. Or Assault Vest charge beam. Any of these would work in trick room. But always remember that melo's main purpose is the defeat of ghost types, especially aegislash.

Slowbro

Rarity (Slowbro) @ Leftovers
Ability: Regenerator
EVs: 252 HP / 252 Def / 4 SpD
Relaxed Nature
IVs: 0 Atk / 0 Spe
- Scald
- Slack Off
- Flamethrower
- Trick Room

Slowbro is one of the best walls the psychic type has to offer that can actually do something back to the opponent. With flamethrower, you just got a chance to defeat scizor and bisharp, and even if they switch to heatran, you have scald. If they switch back to take a scald, they still take some damage and get burnt. Also, regenerator is a super helpful ability on it, because psychic pokemon in general have a weak defense stat, slowbro, with all its quick recovery and its stats, can compensate. A great physical wall and you can always rely on it to setup a trick room, and even absorb super effective physical hits like knock off. Make sure ur opponent doesnt setup a swords dance on it, either kill them immediately or setup trick room, or it could be gg for you. It would help if you dont have slowbro in on the last few turns of trick room, if a stat booster is in play. A good wall for disadvantaged opponents like excadrill, infernape, and similar pokemon.
Other options: You can try calm mind and psyshock instead of flamethrower and trick room, but you know how it will be with steel types then, you'll be putting them at an advantage, but nonetheless you can mix it up for the fun of it. Slowbro also gets ice beam, yawn, shadow ball etc. but scald and slack off are definitely moves you won't want to forgo. It gets toxic and twave in status options, so its one of those pokemon with the ability to lay all 6 statuses. paralysis is one of the statuses you unfortunately have to avoid laying when on a trick room team, as it drops pokemon speed by 1/4th thus creating windows for it to outspeed.

Victini

Applejack (Victini) @ Charcoal
Ability: Victory Star
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- V-create
- Bolt Strike
- Trick Room
- Will-O-Wisp

Victini is the star of the show, of course. Thanks to charcoal, V-create can do some superb damage to anything taking a neutral hit, with a high OHKO rate. It can defeat fairy types as they lack in defense stats, and since V-create drops speed, Victini becomes faster in trick room every time it lands a v-create. Bolt strike is for moments u want to ko water types, but bolt strike has a 7% miss chance so be careful. Will o wisp is to disable physical attackers a bit, while giving your team more control over the trickyness of the room. Will-o-wisp is for pokemon that can use sucker punch, like bisharp, as it is a move that can sweep your team. But it can also be used to disable azumarill and aegislash if you feel they are too healthy to die to your attacks. It has a 7% miss chance too, but thats still better than the 15% miss chance when something like mew uses it. Of course, you can use it on anything with sucker punch like skuntank or toxicroak to turn the game around.
Victini mostly comes handy in battling bug types, steel types, ice types and can take down grass types once mega venusaur is at below 70% or so health. It can also lay a will o wisp on ground types to make slowbro wall the opponent completely, but victini won't enjoy taking a ground move. The addition of claydol should start some mind games however.
It is also good at the "fight fire with fire" situations against charizard, but of course some of those teams have flash fire pokemon. If a flying team has mega zard Y, you can use your opponents sun to your benefit.
Other options: U-turn or substitute but not both of course, reversal can be considered as victini can reach low health while tank to set up trick room. In items, you can try air balloon, focus sash, or choice band as v-create reaches the peak of its power for that item, at the cost of flexibility.

Other Pokemon you would want to consider:

Bronzong is super slow, has two wonderful abilities either of which can be run, and it gets stealth rock and trick room. The steel typing is nice and defensive, but bronzong is walled by skarmory who proceeds to setup hazards. It can use stealth rock, trick room and gyro ball and a filler of your choice.

Deoxys-Speed can be a good pokemon for when trick room is down, but I find it very confusing to run XD the lack of good stab moves worries me...but it can certainly taunt, stealth rock, psycho boost/fire punch and superpower.It can also hold a light clay and run a screens set.

Meowstic can set screens using prankster+light clay giving it an edge over deoxys, it can also lay a status and heal bell, while having invested in hp and defense the whole time. It can use barrier and CM giving it a solid defensive edge, but its too cramped up in its moveslot to execute recovery and offense. Tbh Meowstic is better off using assist on stored power teams, however it can still do a good job here in the trick room thanks to its ability.

Malamar is a unique pokemon that can abuse contrary throwing around superpower, and it gets knock off for stab, utility, coverage and power. It also gets a signature move in topsy turvy, that will do the statboosting enemy in. It's typing provides a lot of help against ghost and dark types, at the cost of a 4x bug weakness and a fairy weakness. It can turn everything around in short. It does the same role as a fighting type, but its initial power is a little low. The set I use is trick room, topsy turvy, superpower and knock off, while holding a quick claw XP

Cresselia is a great buffer, and gives you a lot of control over the trickyness of the room while strolling into the battlefield without a scratch. It can set screens, trick room, toxic+moonlight, and the best of all, it can lunar dance...which coupled with screens and trick room is a huge setup-sorted recovery option with PP recovery. It can also use magic coat if it predicts the situation correctly, besides it has enough bulk to risk a surprise like that. However, it is a pathetic attacker and the opponent can sky rocket its stats to sweep if Cress wastes too much time.

Wobbuffet doesn't get a benefit out of trick room every time, as counter and mirror coat are negative priority moves, but it can still use encore and destiny bond. And with shadow tag on, it is the perfect jihadi pokemon. Watch out against dark types using special moves, theyre immune to mirror coat, and ghost types using physical moves immune to counter, as well as pokemon with mixed sets. Wobbuffet in trick room can help you fight a lot of counters like bisharp and scizor...the item should be custap berry or sitrus/lefties.

Exeggutor is a pokemon on the more physically defensive side. It can abuse harvest with a starf berry to setup its stats, but it doesn't always have very smooth control over doing that. The set I run is sleep powder, substitute, giga drain, hp rock/fire/ice. Since psychic doesn't get spore and hypnosis is 60% accuracy, exeggutor with Sleep powder and Jynx with the kiss move are the best sleep inducers.

Mew has a lot of moves that can be used like defog,taunt,will o, sr, flamethrower,aura sphere,baton pass, even trick room, and can scarf transform to scout/sweep the way ditto does.

Swoobat is a pokemon that can rely on simple to setup amnesia at a high speed with trick room off, tank a special super effective hit to activate weakness policy raising ur attack and special attack drastically and then sweep with stored power. The only problem is with dark types so rid yourself off them before using swoobat.

Lati@s can defog, surf quite quickly, draco meteor for power or dragon pulse for consistency, stat boost with calm mind or dragon dance, use substitute, recover with roost, and go special attack or mixed attacker with outrage and lum berry. Some latias even run a reflect type strategy.