I created this team based on the max coverage team i could make around choice scarf jirachi (serene grace flinches can win games),so i tried to fit good pokes that could support him nicely.So,let's go
(batman transition music)
Sleepy (Jirachi) @ Choice Scarf
Ability: Serene Grace
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Iron Head
- Zen Headbutt
- Ice Punch
- U-turn
Well,let's start with the main star of the show.Jirachi can put an awesome work in almost everything,and it's a awesome mid-late game sweeper.The choice scarf let him outspeed a lot of things (even scarfers with less than 100 base speed),and adamant nature for more power.Iron head and zen headbutt are the 2 main STABs,and both have chance of flinch (iron head have 30% and z headbutt have 20%),but is always better use iron head,zbutt is there just for coverage and STAB boost;ice punch is for ground-types and some flying-types and u-turn is for cheap damage and for momentum.
OVNI (Heatran) (M) @ Air Balloon
Ability: Flash Fire
EVs: 248 HP / 128 Def / 104 SpA / 28 SpD
Calm Nature
IVs: 0 Atk
- Stealth Rock
- Toxic/roar/flash cannon
- Lava Plume/magma storm
- Earth Power
Heatran is a good partner for jirachi?not really,but he fits with the team as a whole.He provides fire immunity,and air balloon helps with the ground-types attacks.He's my hazard setter,so almost everytime he's my lead;I run toxic for things that can't be burned,but u can use roar or even flash cannon instead;Lava plume is for great damage and for burns (is a fire-type scald),but u can run magma storm,for more damage and for traps,if it's save (but the acc is booty);And Earth power for another heatrans and for hit hard things that resist lava plume/magma storm/flash cannon on the switch.
Bitch (Suicune) @ Leftovers
Ability: Pressure
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Calm Mind
- Scald
- Rest
- Sleep Talk
Oh,no,it's CroCune.CroCune set is an old set,but is always come in hand for everything (taunt bops him,but still).Calm mind for boost sp.atk and sp.def,because both aren't the best;Scald is the main (and only) STAB,hits with a good damage and the burn factor is awesome;Rest is for recover HP and for remove status;And Sleep talk for don't be stuck into sleep during 2 turns (unless u sleep talk rests,because that sucks a lot)
Sangan (Landorus-Therian) (M) @ Choice Scarf
Ability: Intimidate
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature/Jolly Nature
- U-turn
- Earthquake
- Rock Slide/stone edge
- Knock Off/superpower
Oh no,is scarf landorus (w8,i already did this joke?).Scarf lando-t is an awesome poke,because of his huge atk stat,and a very good movepool.I use adamant for more power,but i can run jolly for more speed.U-turn is obligatory for scarf lando,gives a nice damage and momentum.Earthquake for STAB and for crazy good damage on almost everything (if he had acess to mold breaker like excadrill,he will be unstoppable);Rock slide or stone edge for coverage and hitting things immune to ground;And for the last slot i usually run knock off,for take out itens and etc,but u can run superpower,if u think it's necessary.
~~omg so sexy (no homo,and i have gf,but she won't look here anyway)(yes,i'm a man)~~
Nagini (Serperior) (M) @ Leftovers/life orb/miracle seed
Ability: Contrary
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Leaf Storm
- Hidden Power [Fire]/Hidden Power [Ground]
- Dragon Pulse
- Giga Drain
Serperior became a crazy good poke after the hidden ability release,and he fits like klings on klings.It has some natural bulk,have a very impressing speed (even more if has sticky web in your side of your field(already happens to everybody that i know in PS)).Leaf Storm is the main STAB and,thanks to contrary,it boost his sp.atk in 2 stages,so it's ver spammable,and have an awesome base power (but the acc isn't the best,btw);Giga drain for secundary STAB,recover life (even more if u run lefts,like me) and the sp.atk boost make more damage,so more health back;Dragon pulse is for coverage,but u can even run glare for some parahax (together with jirachi,is gg or rage quit);And hidden power for coverage,u can run hp fire for ferro and scizors,or hp ground for heatrans and for general coverage as well.
Rule 34 (Lopunny-Mega) (F) @ Lopunnite
Ability: Scrappy
Shiny: Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fake Out
- Return
- Ice Punch
- Drain Punch/high jump kick
Rule 34 (why,internet,just,why?+18 nsfw btw)is the mega evolution that perfectly fits into the team,because,it's fast,hit hard like a truck and have resistances and immunities that complement the team (like a whole,i already said),and scrappy is a little broken,but makes her almost unstoppable (hate u,talon,and u 2,mach punchers).Fake out is for cheap damage,it's STAB and the flich for stop the enemy (thanks,inner focus,hope u burn in hell);Return is the main normal-type STAB,and has a great damage;ice punch for basic coverage (if u don't run ice punch on her,lando-t rips u bones off);And for main fighting-type STAB,i use drain punch,for recover lost hp,makes solid damage and i have bad lucky with moves that doesn't have 100% of acc,so,if u don't have the same problem that i have,run high jump kick,is strong and STAB,so she can clean up the field if needed.
And well,that's it (thanks god).I already peaked 1501 with this team,but my bad luck+hax make me lost a lot of points in the ladder (i think i have inky 1337 now ;-;).Please,if u have any suggestion,pls send,it will be very helpful,for real.Hope u catch a good ladder with this team (and send a screen shot proving the ladder u got).And that's all,folks.
(batman transition music)

Sleepy (Jirachi) @ Choice Scarf
Ability: Serene Grace
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Iron Head
- Zen Headbutt
- Ice Punch
- U-turn
Well,let's start with the main star of the show.Jirachi can put an awesome work in almost everything,and it's a awesome mid-late game sweeper.The choice scarf let him outspeed a lot of things (even scarfers with less than 100 base speed),and adamant nature for more power.Iron head and zen headbutt are the 2 main STABs,and both have chance of flinch (iron head have 30% and z headbutt have 20%),but is always better use iron head,zbutt is there just for coverage and STAB boost;ice punch is for ground-types and some flying-types and u-turn is for cheap damage and for momentum.

OVNI (Heatran) (M) @ Air Balloon
Ability: Flash Fire
EVs: 248 HP / 128 Def / 104 SpA / 28 SpD
Calm Nature
IVs: 0 Atk
- Stealth Rock
- Toxic/roar/flash cannon
- Lava Plume/magma storm
- Earth Power
Heatran is a good partner for jirachi?not really,but he fits with the team as a whole.He provides fire immunity,and air balloon helps with the ground-types attacks.He's my hazard setter,so almost everytime he's my lead;I run toxic for things that can't be burned,but u can use roar or even flash cannon instead;Lava plume is for great damage and for burns (is a fire-type scald),but u can run magma storm,for more damage and for traps,if it's save (but the acc is booty);And Earth power for another heatrans and for hit hard things that resist lava plume/magma storm/flash cannon on the switch.

Bitch (Suicune) @ Leftovers
Ability: Pressure
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Calm Mind
- Scald
- Rest
- Sleep Talk
Oh,no,it's CroCune.CroCune set is an old set,but is always come in hand for everything (taunt bops him,but still).Calm mind for boost sp.atk and sp.def,because both aren't the best;Scald is the main (and only) STAB,hits with a good damage and the burn factor is awesome;Rest is for recover HP and for remove status;And Sleep talk for don't be stuck into sleep during 2 turns (unless u sleep talk rests,because that sucks a lot)

Sangan (Landorus-Therian) (M) @ Choice Scarf
Ability: Intimidate
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature/Jolly Nature
- U-turn
- Earthquake
- Rock Slide/stone edge
- Knock Off/superpower
Oh no,is scarf landorus (w8,i already did this joke?).Scarf lando-t is an awesome poke,because of his huge atk stat,and a very good movepool.I use adamant for more power,but i can run jolly for more speed.U-turn is obligatory for scarf lando,gives a nice damage and momentum.Earthquake for STAB and for crazy good damage on almost everything (if he had acess to mold breaker like excadrill,he will be unstoppable);Rock slide or stone edge for coverage and hitting things immune to ground;And for the last slot i usually run knock off,for take out itens and etc,but u can run superpower,if u think it's necessary.

~~omg so sexy (no homo,and i have gf,but she won't look here anyway)(yes,i'm a man)~~
Nagini (Serperior) (M) @ Leftovers/life orb/miracle seed
Ability: Contrary
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Leaf Storm
- Hidden Power [Fire]/Hidden Power [Ground]
- Dragon Pulse
- Giga Drain
Serperior became a crazy good poke after the hidden ability release,and he fits like klings on klings.It has some natural bulk,have a very impressing speed (even more if has sticky web in your side of your field(already happens to everybody that i know in PS)).Leaf Storm is the main STAB and,thanks to contrary,it boost his sp.atk in 2 stages,so it's ver spammable,and have an awesome base power (but the acc isn't the best,btw);Giga drain for secundary STAB,recover life (even more if u run lefts,like me) and the sp.atk boost make more damage,so more health back;Dragon pulse is for coverage,but u can even run glare for some parahax (together with jirachi,is gg or rage quit);And hidden power for coverage,u can run hp fire for ferro and scizors,or hp ground for heatrans and for general coverage as well.

Rule 34 (Lopunny-Mega) (F) @ Lopunnite
Ability: Scrappy
Shiny: Yes
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Fake Out
- Return
- Ice Punch
- Drain Punch/high jump kick
Rule 34 (why,internet,just,why?+18 nsfw btw)is the mega evolution that perfectly fits into the team,because,it's fast,hit hard like a truck and have resistances and immunities that complement the team (like a whole,i already said),and scrappy is a little broken,but makes her almost unstoppable (hate u,talon,and u 2,mach punchers).Fake out is for cheap damage,it's STAB and the flich for stop the enemy (thanks,inner focus,hope u burn in hell);Return is the main normal-type STAB,and has a great damage;ice punch for basic coverage (if u don't run ice punch on her,lando-t rips u bones off);And for main fighting-type STAB,i use drain punch,for recover lost hp,makes solid damage and i have bad lucky with moves that doesn't have 100% of acc,so,if u don't have the same problem that i have,run high jump kick,is strong and STAB,so she can clean up the field if needed.
And well,that's it (thanks god).I already peaked 1501 with this team,but my bad luck+hax make me lost a lot of points in the ladder (i think i have inky 1337 now ;-;).Please,if u have any suggestion,pls send,it will be very helpful,for real.Hope u catch a good ladder with this team (and send a screen shot proving the ladder u got).And that's all,folks.