The official Japanese Pokémon website has announced that another Jirachi will be distributed at the Tohoku Pokémon Center from August 1st, 2013 until August 31st, 2013 to celebrate the Tanabata Festival. Players of the Japanese versions of Black, White, Black 2 and White 2 can receive the Jirachi.

Pokémon	Info
	Level: 50
	OT: Tanabata (たなばた)
	Held Item: Starf Berry
	Ability: Serene Grace
	ID: 08013
	Ribbon: Souvenir Ribbon
	Move 1: Draco Meteor
	Move 2: Meteor Mash
	Move 3: Wish
	Move 4: Follow Me

Source: http://www.pokemon.co.jp/info/2013/06/130628_p04.html