User blog comment:SxY SH4DOW/nx cards/@comment-4005921-20120411042147/@comment-4537189-20120411042703

Um.. North America?

Ulitmate Game Cards works fine too. Karma Koins are starting to replace NX cards, so you can find them almost everywhere. Since you live in NA, it's easy for you to find stores that sell NX. Click here for Karma Koin retailers.