Pretty rough and will probably be editing this from time to time (e.g. I'm starting to think that a Gliscor behind a sub may be a more advantageous setup than a +6 Scizor against veterans), but this should be sufficient to show how the team generally operates (i.e. try to set up Scizor, possibly after having Gliscor PP stall a couple of threatening moves, or try to get Gliscor behind a sub, and if those aren't possible, have Greninja OHKO the foe; 2HKOing the lead with Greninja is highly discouraged) and how to take on some more threatening foes. It's not entirely comprehensive (again, I may add more stuff later), but it covers all set 4 mons + legendaries as well as a couple less straightforward less common foes. If you just realise setting up Scizor/Gliscor is preferred over having Greninja attack it's all really straightforward anyway, so here goes.
(re. Surf / Ice Beam / GK KO if multiple moves will OHKO: try not to become a Grass-type against a trainer that might have Gyarados4 because then it's really guaranteed to start DDing if it comes in, and try to become a Water-type if possible against a trainer that might have Darmanitan4 / Entei3 / Heatran4 in order to deter them from coming in or at least from using Flare Blitz in Darm's case. On the other hand, don't hesitate to become an Ice- or Grass-type against a set1/2 Veteran because you outrun all of their Fire-type legendaries and the sooner you lure in and get rid of those the better)
29/08 edit: more patient/reliable approach for Gengar4/Latias1/Latios1
Venusaur4 – switch to Scizor, fully set up
Charizard1234 – straight Surf because Belly Drum + Salac from Zard1 is lol
Charizard4 – go to Gliscor, stall Heat Wave, Toxic at some point afterwards
Blastoise4 – switch to Gliscor, stall Waterfall, KO with Earthquakes and don't waste too many subs because it can't touch you anyway and Gyarados or Kingdra might show up
Raichu4 – switch to Gliscor, straight Toxic; it can't touch you but will use Encore so yeah. After three turns, switch back and forth to Scizor, and set up a free Sub on the turn Raichu succumbs to Toxic damage.
Nidoqueen4 – switch to Gliscor, Earthquake KO, make sure you come out on top with sub
Nidoking4 – switch to Gliscor, Earthquake KO, make sure you come out on top with sub. Scizor can set up easily if not Rivalry, but how would you know lol
Ninetales4 – probably switch to Gliscor and Toxic; definitely do so in case of Drought, otherwise Surf 2HKO is a possibility I guess, but urrrgh still not too sure on this one.
Vileplume4 – Ice Beam KO
Dugtrio4 – go to Scizor, set up fully
Arcanine4 – Surf KO
Poliwrath4 – Grass Knot 2HKO
Alakazam4 – Dark Pulse KO (you could switch to Gliscor and stall Focus Blast I guess, but in triples at least it's not 100% guaranteed to use Focus Blast and Trick would suck)
Machamp4 – switch to Gliscor, Sub/Protect until burn damage brings it in EQ KO range while it fails to break the sub or just Sub/Protect until it dies
Victreebel4 – Ice Beam KO because holding off on Mega Evolving with Scizor does not allow you to regain Technician after MEvo lol
Tentacruel1234 – scout set with Dark Pulse, KO offensive sets, set up Scizor on defensive
Tentacruel4 – switch to Scizor, fully set up
Golem4 – just go to Scizor, it usually blows up so you don't want it to have Sturdy
Rapidash4 – Surf KO
Slowbro4 – switch to Scizor, Roost spam through TR and fully set up
Dewgong4 – switch to Scizor, fully set up
Muk4 – switch to Scizor, fully set up
Gengar4 – go to Gliscor, stall Shadow Ball, switch-stall Sludge Bomb and Thunderbolt between Scizor and Gliscor, fully set up Scizor on Struggling Gengar
Electrode4 – switch to Gliscor, Sub, Earthquake KO (even Sub at risk of Taunt because if it Taunts that turn you'll at least burn one of your Taunt turns)
Exeggutor4 – Ice Beam KO
Marowak4 – Ice Beam KO
Weezing4 – initially try muscling through it with Greninja (Surf 2HKO); if it uses Stockpile + Rest, switch to Scizor and set up fully; 30 BP PP is enough for a crit, which from a +6 Scizor OHKOes even when burned x_x (or if all else fails, enough to PP stall Rest in tandem with Scizor's other moves)
Kangaskhan4 – switch to Scizor, set up fully
Starmie4 – Dark Pulse KO
Mr. Mime4 – switch to Scizor, try to set up fully but attack immediately in the event of a SpD drop (which usually happens lol)
Jynx4 – Dark Pulse KO
Pinsir4 – switch to Gliscor; if Guillotine, pray; if CC, PP stall and fully set up Scizor on struggling Pinsir; if X-Scissor, straight switch to Scizor and set up fully
Tauros4 – switch to Scizor, set up fully
Gyarados – spam GK, see threatlist
Lapras4 – GK OHKO/2HKO
Vaporeon1234 – just go to Scizor, set up once or fully (depending on set) and BB KO
Vaporeon4 – switch to Gliscor, stall Ice Beam, then Toxic as soon as you get the chance and Sub/Protect until it faints
Jolteon – switch to Gliscor, immediate Sub (even in case of Swagger because lol what's it gonna do)
Flareon1234 – Surf, pray for opportune set / move
Flareon4 – switch to Gliscor, Earthquake KO at unbroken subs
Aerodactyl34 – switch to Gliscor, go to Scizor and set up fully in the event of Aero3
Aerodactyl4 – switch to Gliscor, spam Protect and hope for hax; if you lose Gliscor, switch in Scizor and set up fully (see threatlist)
Snorlax4 – switch to Scizor, set up fully
Articuno12 – go to Scizor, set up fully against set 1, pray that set 2 doesn't use Mind Reader / hit with Sheer Cold; Gliscor can stall its Sheer Cold / Ice Beam PP though
Articuno1234 – go to Scizor, proceed accordingly
Articuno34 – go to Scizor, set up fully
Zapdos12 – go to Gliscor, Toxic
Zapdos1234 – go to Gliscor, Toxic
Zapdos34 – go to Gliscor, Toxic
Moltres12 – Surf KO
Moltres1234 – Surf KO
Moltres34 – Surf KO
Dragonite4 – Ice Beam KO
Meganium4 – switch to Scizor, set up fully
Typhlosion4 – Surf KO
Feraligatr4 – Grass Knot KO
Crobat4 – Ice Beam KO, pray it doesn't do anything dumb; it usually uses Taunt though, hurrah for the AI not distinguishing between singles and doubles
Lanturn34 – go to Gliscor, stall set 3, set up Scizor on set 4
Lanturn4 – switch to Scizor, set up fully, use Bug Bite, Roost off damage and 2HKO as it sleeps
Ampharos4 – switch to Gliscor, Earthquake KO with unbroken sub
Politoed4 – switch to Gliscor, stall all attacking PP, fully set up Scizor
Quagsire4 – Grass Knot KO
Espeon4 – Dark Pulse KO
Umbreon4 – switch to Scizor, set up fully
Slowking4 – switch to Scizor, Roost spam through TR and set up fully
Forretress4 – switch to Scizor, set up fully
Steelix4 – Surf KO, if Sturdy + Swagger switch to Gliscor for free Sub
Granbull4 – switch to Scizor, KO with unboosted BP (needs one round of LO recoil)
Scizor4 – switch to Scizor, set up fully
Shuckle4 – switch to Scizor, set up fully
Heracross4 – switch to Gliscor, Toxic
Ursaring4 – probably just go to Gliscor and Earthquake 3HKO (it doesn't use Return fsr), Scizor /can/ set up but Quick Claw sucks
Skarmory4 – Dark Pulse 3HKO, don't take too much recoil
Houndoom4 – Surf KO
Kingdra – lol, see threatlist
Donphan4 – switch to Gliscor, stall Stone Edge, Toxic
Porygon2 – switch to Gliscor, stall Tri Attack, Toxic
Miltank4 – switch to Scizor, set up fully
Blissey4 – switch to Gliscor, Toxic (can't touch Gliscor at all and Scizor doesn't like Mud Bomb acc drops)
Raikou12 – go to Gliscor, Toxic
Raikou1234 – go to Gliscor, Toxic
Raikou34 – go to Gliscor, Toxic
Entei12 – Surf; if Entei2, 2HKO, if Entei1 (which will generally use Flame Charge), go to Gliscor, stall dangerous moves a bit, and KO
Entei1234 – Surf, see above for 1 or 2
Entei34 – Surf, pray for no funny survival from set 4
Suicune12 – GK 2HKO, never seen set 2 use Mirror Coat :x
Suicune1234 – GK 2HKO
Suicune34 – GK 2HKO, if set 3 uses Protect go to Scizor I guess?
Tyranitar4 – switch to Gliscor, Superpower stat drops prevent Rock Slide from breaking subs, KO with Earthquakes
Sceptile4 – switch to Scizor, set up fully
Blaziken – Surf KO
Swampert – GK KO
Ludicolo4 – GK 2HKO
Shiftry4 – go to Scizor, set up fully
Gardevoir4 – if Synchronize/Telepathy: switch to Scizor, SD once, BP KO; if Trace: cry, switch to Gliscor while pivoting via Scizor, PP stall Moonblast + Psychic + Focus Blast and KO with Earthquake
Breloom4 – Ice Beam KO
Slaking4 – go to Scizor, set up fully
Exploud4 – still gotta figure out something reliable here but switch stalling Focus Blast between Gliscor and Scizor while squeezing in a Roost might make sense, don't think I played that well against this one the few times I faced it x_x
Hariyama4 – Surf + GK KO (so as not to invite BP)
Aggron4 – switch to Scizor, steal berry and bop Sturdy, switch to Gliscor, Sub, Earthquake KO
Medicham4 – either switch back and forth between Greninja and Gliscor and KO with Surf after 2 rounds of LO recoil or Sub/Protect until it dies from recoil (more rewarding but also more risky)
Manectric4 – switch to Gliscor, Sub as it switches out; may rarely use Switcheroo, which kinda blows but a speedy Earthquake against a Scientist / Roller Skater can come in kinda handy so w/e
Flygon4 – Ice Beam KO
Altaria4 – Ice Beam KO (fuck Sing)
Whiscash4 – switch to Gliscor, stall Muddy Water + Fissure, switch to Scizor and set up fully
Claydol4 – switch to Scizor, set up fully
Cradily4 – switch to Scizor, set up fully
Armaldo4 – Surf KO
Milotic4 – switch to Scizor, set up fully (I guess? Speed tie kinda blows; otherwise GK 2HKO)
Absol4 – Surf (possible) KO
Walrein4 – GK KO; if you miss the OHKO and Sheer Cold / Fissure hits, go to Gliscor, stall OHKO moves, go to Scizor and set up fully
Salamence34 – Ice Beam KO
Metagross4 – switch to Scizor and set up fully
Regirock12 – go to Gliscor, Sub / Protect until set 2 explodes or just Toxic stall set 1
Regirock1234 – go to Gliscor, proceed accordingly
Regirock34 – go to Gliscor, Toxic stall set 3 after stalling Ice Punch or Sub / Protect until set 4 explodes
Regice12 – still not too sure but probably go to Gliscor... obviously stall set 1 out of Ice Beam and then Toxic, if set 2 (which is likely to use Icy Wind on Greninja), go to Scizor, use SD once, and BP KO, Gliscor can't beat it because of Rest
Regice1234 – go to Gliscor, proceed accordingly
Regice34 – go to Gliscor, if set 3 go to Scizor and set up fully, if set 4 stall Blizzard and Toxic stall
Registeel12 – go to Scizor, set up fully because can't break through set1 otherwise
Registeel1234 – go to Scizor, set up fully
Registeel34 – go to Scizor, set up fully
Latias12 – go to Gliscor. If set 1, PP stall Dragon Pulse + Mist Ball and fully set up Scizor, if set 2 go to Scizor to lower its SpA and then try recovering back as much health as possible with Sub/Protect and use Toxic at some point
Latias1234 – go to Gliscor, proceed accordingly
Latias34 – go to Gliscor; Toxic stall set 4, set up Scizor on set 3 locked into Draco, or Sub as it locks into Thunder and switches out
Latios12 – ew. go to Gliscor; if set 1, PP stall Dragon Pulse + Luster Purge and fully set up Scizor, if set 2 go to Scizor to lower its SpA and then try recovering back as much health as possible with Sub/Protect and use Toxic at some point
Latios1234 – go to Gliscor, proceed accordingly
Latios34 – go to Gliscor, pray; Toxic stall set 4, set up Scizor on set 3 locked into Draco, or Sub as it locks into Thunder and switches out
Torterra1234 – Ice Beam KO
Torterra4 – go to Scizor, set up fully
Infernape4 – switch in Gliscor on CC / Fake Out, don't Protect cuz Encore, switch back to Greninja as it breaks its own Sash with Flare Blitz, Surf KO
Empoleon4 – GK, switch to Scizor, proceed appropriately (see threatlist)
Staraptor – Ice Beam KO
Luxray – switch to Gliscor, stall Ice Fang, Toxic
Roserade4 – Ice Beam KO
Rampardos4 – Grass Knot KO
Bastiodon4 – switch to Gliscor, 2HKO from behind a Sub
Vespiquen4 – switch to Scizor, set up fully
Floatzel4 – Grass Knot KO
Gastrodon4 – Grass Knot KO
Ambipom4 – go to Scizor, set up fully
Drifblim4 – go to Gliscor because 0 SpA Drifblim Shadow Ball vs. 212 HP / 252+ SpD Gliscor: 36-43 (20.3 - 24.2%) -- possible 8HKO after Poison Heal, Toxic
Lopunny4 – go to Scizor, set up fully
Mismagius4 – Dark Pulse 2HKO
Honchkrow34 – Ice Beam KO
Skuntank4 – lol. Just go to Gliscor I guess, this piece of shit even uses Fire Blast against a Water-type Greninja...
Bronzong4 – go to Scizor, set up fully
Spiritomb4 – Dark Pulse 3HKO
Garchomp1234 – kekeke, probably straight Ice Beam, which KOes sets 1 and 2 while set 4 after all is likely to use Swords Dance and set 3 should be handled easily by Scizor or Gliscor, depending on which move its locks itself into x_x
Garchomp4 – Grass Knot + Ice Beam KO cause may use Earthquake
Lucario4 – go to Gliscor, stall Stone Edge and either Earthquake KO or stall Aura Sphere and set up Scizor (preferably Earthquake KO against Black Belts / Battle Girls because a Fire-type might show up)
Hippowdon4 – go to Scizor, set up as much as possible
Drapion4 – go to Gliscor, stall Night Slash, switch between Gliscor and Scizor to stall Earthquake PP, fully set up Scizor
Toxicroak4 – go to Gliscor, Sub (to burn your first Taunt turn if nothing else), Earthquake KO
Abomasnow4 – go to Gliscor, stall Blizzard, go to Scizor, set up fully; switch back and forth to Gliscor in the event of a FB SpD drop
Weavile4 – break Sash with Surf, switch in Scizor on Night Slash, BP KO. Similarly to Crobat it's Taunt happy against Greninja, so an Ice Punch freeze should be really rare.
Magnezone4 – switch to Gliscor, stall Flash Cannon and Tri Attack (may fail to break Sub if not Analytic), Earthquake KO
Lickilicky4 – switch in Scizor and hope that it doesn't blow up right away I guess... Should be hesitant to blow up if Scizor gets in safely so that you can set up / Roost spam, but yeah x_x
Rhyperior4 – Grass Knot / Surf KO (against Pokemon Rangers and Black Belts, respectively)
Tangrowth4 – Ice Beam KO
Electivire4 – Grass Knot 2HKO
Magmortar4 – Surf KO
Togekiss4 – Ice Beam likely KO, seems to prefer to use Dazzling Gleam over Aura Sphere so no huge deal if you miss it
Yanmega4 – Ice Beam KO
Leafeon1234 – go to Scizor, set up fully
Leafeon4 – go to Scizor, set up fully
Glaceon4 – go to Scizor, set up a bit, BP KO
Gliscor4 – go to Scizor, bop Sash, set up fully
Mamoswine4 – Grass Knot KO
Porygon-Z4 – go to Gliscor, stall Tri Attack, Toxic (finish off with Earthquake because gets Recover happy at the end)
Gallade4 – switch back and forth between Gliscor and Greninja twice and KO with Surf after two Close Combat SpD drops; otherwise stall Psycho Cut + Close Combat and fully set up Scizor, but beware of Chandelure / Fire-type backup
Probopass4 – go to Gliscor, Earthquake KO
Dusknoir4 – go to Scizor, set up fully
Froslass1234 – Dark Pulse KO; if set 4, proceed below
Froslass4 – Surf to break Sash and take resisted damage from Icy Wind / Blizzard, switch in Scizor, set up fully and Roost while PP stalling Destiny Bond, BP KO
Heatran12 – Surf 2HKO
Heatran1234 – Surf 2HKO/OHKO on set 4
Heatran34 – Surf 2HKO/OHKO on set 4
Regigigas12 – go to Gliscor, Toxic
Regigigas1234 – go to Gliscor, Toxic
Regigigas34 – go to Gliscor, Toxic
Cresselia12 – go to Scizor, set up fully
Cresselia1234 – go to Scizor, proceed accordingly
Cresselia34 – go to Scizor and set up fully on set 4; bit dry on set 3 because no experience, but going to Gliscor after Swagger SHOULD be safe since it outruns Scizor and as such is unlikely to use Icy Wind, and even then 0 SpA Cresselia Icy Wind vs. 212 HP / 252+ SpD Gliscor: 60-72 (33.8 - 40.6%) -- 99.6% chance to 4HKO after Poison Heal so yeah lol some trial and error should be possible to an extent
Serperior – Ice Beam KO
Emboar – Surf KO
Samurott – Grass Knot KO
Musharna4 – go to Scizor, set up fully
Unfezant4 – go to Scizor, set up fully
Zebstrika34 – go to Gliscor, Sub, Earthquake KO
Gigalith4 – go to Gliscor, stall Rock Slide, Earthquake KO
Excadrill – Surf KO
Conkeldurr4 – go to Gliscor
Seismitoad4 – go to Scizor, set up fully
Throh4 – go to Gliscor, Sub/Protect until it dies from burn damage or you can KO it with EQ
Sawk4 – go to Gliscor, stall Stone Edge as much as possible and kill with EQ at some point (verry dangerous though; not sure on this one re. the optimal play, this kinda relies on it using Taunt at some point)
Lilligant4 – Ice Beam KO
Krookodile4 – Surf KO
Darmanitan4 – go to Gliscor, stall Superpower, fully set up Scizor
Scrafty4 – go to Scizor, set up fully
Cofagrigus4 – Dark Pulse 2HKO
Carracosta4 – go to Scizor, bop Sturdy, set up fully (beware of Aqua Jet after potential crit)
Archeops4 – Surf KO
Zoroark4 – lol
Gothitelle4 – Dark Pulse 2HKO; if hit by Flatter + no STag: switch to Gliscor, stall Psychic, KO
Reuniclus4 – go to Scizor, set up fully
Vanilluxe4 – go to Scizor, set up fully
Escavalier4 – go to Gliscor, Sub / Protect, 4HKO with Earthquake when given the chance
Ferrothorn4 – go to Scizor, set up fully
Klinklang4 – go to Gliscor, Earthquake 2HKO, don't bother too much trying to maintain a sub because its Protect usage is too erratic to do so without wasting basically all your PP
Eelektross4 – go to Gliscor, Toxic
Chandelure4 – Surf 2HKO
Haxorus4 – Ice Beam, if attack KO, if DD (which it usually does) go to Scizor + BP KO
Beartic4 – go to Scizor, set up fully
Cryogonal4 – go to Scizor, set up until it blows up
Accelgor4 – go to Gliscor, you'll get Encored but it can't touch you so just spam Toxic, after three turns switch back and forth to Scizor and Sub as it succumbs
Mienshao4 – go to Gliscor, Sub / Protect until HJK kills it
Druddigon4 – Ice Beam KO
Golurk4 – Grass Knot KO
Bisharp4 – no real 'optimal' strategy as far as I've figured out, but probably just go to Gliscor and Earthquake 2HKO
Bouffalant4 – go to Scizor, set up fully
Braviary4 – Ice Beam KO
Mandibuzz4 – Ice Beam; if not Swagger, KO; if Swagger, go to Gliscor, Toxic, and find something more interesting to do for the next twelve or so turns; if it Subs on the switch or Toxic misses, cry and get creative
Durant4 – switch to Scizor, set up fully
Hydreigon4 – Ice Beam KO
Volcarona4 – Surf 2HKO
Cobalion12 – go to Gliscor; if set 1, stall Iron Head and Earthquake 3HKO if given the chance; if set 2, Sub, spam Earthquake, and 3HKO during its second Rest
Cobalion1234 – go to Gliscor and act accordingly
Cobalion34 – go to Gliscor and act accordingly, set 3 is too erratic to reliably stall out of Iron Head though as far as my experiences go
Terrakion12 – go to Gliscor, if set 2 stall Sacred Sword and set up Scizor, if set 1 stall Stone Edge + wait for unbroken Sub to KO with Earthquake
Terrakion1234 – go to Gliscor and act accordingly
Terrakion34 – Surf KO
Virizion12 – go to Gliscor; if set 2, straight Toxic and Sub / Protect; if set 1, go to Scizor and BB + BP KO
Virizion1234 – go to Gliscor, immediately Toxic stall sets 2+3, go to Scizor on set1 and act accordingly, not sure on set 4
Virizion34 – x_x probably go to Gliscor and immediate Toxic to kill set 3, not sure at all what to do against set 4 but Scizor can probably kill it if you force it into a Rest
Tornadus12 – Ice Beam, pray; if set 2 kills Greninja, go to Gliscor, stall Hurricane + Focus Blast, go to Scizor, set up fully, wait until it uses all its Sub PP, BP KO
Tornadus1234 – Ice Beam, pray; if set 2, see above
Tornadus34 – Ice Beam, pray
Thundurus12 – go to Gliscor, sub; set 2 will switch out, while set 1 will spam Protect, so force it into a Rest twice via Toxic, go back to Greninja, Ice Beam 2HKO
Thundurus1234 – go to Gliscor, proceed accordingly; not too sure what to do against set 4 because never faced it with Gliscor, but probably wait until it wastes all of its Focus Blast PP, proceed to switch stall between Scizor and Gliscor until it's out of Taunt PP, and Toxic it)
Thundurus34 – Ice Beam KO
Landorus12 – go to Gliscor, stall either Smack Down + Fissure or Focus Blast, go to Scizor, set up fully
Landorus1234 – go to Gliscor; if set 1 or 2, act accordingly, otherwise Sub and stall set 3's Rock Slide while proceeding to switch stall Earthquake and fully set up Scizor or Sub / Protect set 4 until it blows up
Landorus34 – Ice Beam KO
Chesnaught4 – Ice Beam KO
Delphox4 – Surf KO
Greninja4 – Grass Knot KO
Talonflame4 – Surf KO
Pyroar4 – Surf KO
Florges4 – go to Scizor, set up fully
Gogoat4 – Ice Beam KO
Aromatisse4 – go to Scizor, set up fully
Slurpuff4 – go to Gliscor, Sub / Protect / Toxic
Barbaracle4 – Grass Knot KO
Clawitzer4 – go to Gliscor, stall Aura Sphere, go to Scizor, set up fully
Tyrantrum4 – Ice Beam KO
Aurorus4 – go to Gliscor, Sub / Protect, Earthquake KO on recharge turns
Sylveon4 – go to Scizor, set up fully
Hawlucha4 – Ice Beam KO
Carbink4 – go to Scizor, set up fully
Goodra4 – go to Gliscor, stall Blizzard, Toxic when Sub isn't broken
Trevenant4 – Ice Beam KO
Gourgeist4 – Ice Beam KO
Avalugg4 – tbh I'd probably just GK, dunno what it'd do if it were to have Sturdy... but obviously I don't want Gliscor to handle it and Scizor doesn't like taking multiple crits I reckon.
Noivern4 – Ice Beam KO
