Jirachi

Serene Grace
This Pokémon's secondary effect chances are doubled.
Type Tier
Steel / Psychic OU
Statistics
Min- Min Max Max+
HP
100
- 341 404 -
Atk
100
212 236 299 328
Def
100
212 236 299 328
SpA
100
212 236 299 328
SpD
100
212 236 299 328
Spe
100
212 236 299 328
Name Item Nature

Wishing Sweeper

Leftovers Bold
Moveset EVs
~ Calm Mind
~ Psychic
~ Thunder / Thunderbolt / Fire Punch
~ Wish
252 HP / 136 Def / 88 SpA / 32 Spe

Defensive Calm Minder that destroys Snorlax and Blissey. Thunder takes full advantage of Serene Grace and provides a 42% chance of paralysis, factoring in accuracy. Fire Punch has a nice 20% chance of burn which is great for any physical switch-in, mainly Claydol, Tyranitar, Metagross, Snorlax, and Steelix. Psychic's 20% Special Defense down isn't bad either. Wish keeps you at full health and helps you against Cursing Snorlax and non-Thunder Wave Blissey.

Name Item Nature

Subbing sweeper

Leftovers Modest
Moveset EVs
~ Calm Mind
~ Psychic
~ Thunderbolt
~ Substitute
252 HP / 104 SpA / 152 Spe

Unlike the other counterpart, this Jirachi is a Sweeping Calm Minder. Still beats Blissey and Snorlax without Earthquake 1-on-1 easily, but you can't switch it in as often as the Wishing one. 101 HP Substitutes mean you aren't going to be statused, and with Calm Mind they won't break to special attacks, either. Thunderbolt is preferred over Thunder as you don't want your sweeper to miss.

Name Item Nature

Pseudo-passer

Leftovers Bold
Moveset EVs
~ Psychic
~ Thunder
~ Reflect / Light Screen
~ Wish
252 HP / 136 Def / 88 SpD / 32 Spe

Pseudo-passing Jirachi works well as you can easily switch it in to a lot of common Pokémon. Metagross even has trouble killing off Jirachi with a Reflect in place and constant Wishing. Once again, Thunder helps support your team by Paralyzing random stuff. This Jirachi also lasts a lot longer than most sets, so it can afford to miss every once in a while.

Name Item Nature

Doom Desire

Leftovers Adamant
Moveset EVs
~ Doom Desire
~ Body Slam
~ Protect
~ Wish
252 HP / 116 Atk / 124 Def / 16 Spe

So the strategy goes something like Doom Desire, Wish, Protect, repeat. On that third turn, Doom Desire hits them, Wish heals you, and they do nothing to you. Body Slam is on there to break Substitutes, 60% paralysis, and to stop people from just using a stat up move on your Protect turn. This is good on a team with lots of resistances, as you can pass Wish around more easily, and just switch for Doom Desire to activate. With max HP and 267 Defense, you survive Dugtrio Earthquake 100% of the time, so you can Doom Desire as it comes in, Wish as it Quakes, and then Protect. Doom Desire will KO, although Dugtrio does have a 15% chance of surviving due to missing. If you can't Doom Desire (say you come in at the same time, or they send in Dugtrio after Doom Desire kills something), you still have a 60% chance to win, if Body Slam paralyzes. You can use a set like this in ubers, except with Shadow Ball on there somewhere (over Body Slam if you are going for a Toxic team, but it can also go over Protect), but be sure to use a more Special Defense-oriented Jirachi spread there.

Name Item Nature

Uber Jirachi

Leftovers Modest
Moveset EVs
~ Calm Mind
~ Ice Punch
~ Thunder
~ Wish / Substitute
252 HP / 70 Def / 188 SpA

Jirachi has some great resistances to abuse in Ubers, as it is immune to Toxic, and resists Dragon Claw and Ice Beam. It's one of the few usable Pokémon that resist Normal and Meteor Mash, as well. Thunder abuses Kyogre's Rain with a 100% accurate move and 60% paralysis. Ice Punch hits Latios, Latias, Rayquaza, and Groudon hard. Psychic is not needed, as it's a very bad attack type in Ubers. This set easily beats Blissey and Deoxys-D, although Knock Off is a pain. Substitute can be used to block Knock Off and critical hits as you Calm Mind up, but Wish gives you more longevity and heals your whole team. If you ever find something you can't deal with, you can just use Thunder and most likely paralyze it, or, if you're feeling really lucky / desperate, Ice Punch and hope for the 20% freeze. It can beat Kyogre if it gets a free Calm Mind, too.

Other Options

Ice Punch can go over Thunder or Thunderbolt in most sets if you have trouble with Claydol, however the Electric moves are preferred. It can be nice to help take out Dugtrio a bit more easily, and OHKOs Salamence. 20% freeze is nothing to sneeze at. You could also use it over Psychic for a poor man's Boltbeam, but you'll really feel the lack of STAB. If you are insane, Cosmic Power can stall out opponents. Hidden Power Grass is another option, as it hits Tyranitar and Claydol Super Effective, and nails Swampert's 4x weakness.

EVs

All Jirachi should have 404 HP. Wish versions should concentrate more on Defense and Special Defense, while the Substituting one should have at least 274 speed and lots of Special Attack.

Opinion

If you need a special sweeper that isn't stopped by Blissey or Shadow Ball Snorlax, Jirachi is probably your best bet. While Jirachi isn't as scary as Raikou, the extensive use of Blissey has taken Raikou down a notch.

Counters

Dugtrio can be a pain if below 80% health. Swampert, Steelix, and Claydol are real pests. Earthquake Snorlax, Tyranitar, and Metagross also stop Jirachi fairly effectively. Another Jirachi with Fire Punch will generally beat Jirachi, as most carry an Electric move instead. Celebi can Calm Mind up with Jirachi and Baton Pass to a counter, or stall it out with Calm Mind + Leech Seed. Dugtrio can trap and kill it, but most Jirachi are EVed to survive, and Calm Minded Psychic OHKOs Dugtrio.