My Nintendo News wrote:The pretty rare amiibo, Shulk, has had a reprint and are apparently popping up at GameStop stores, so make sure to keep an eye out on the availability in your nearest stores if you want to get hold of one! There’s been quite a few reprints rolling out in the last couple of months, so hopefully this means amiibo stock is improving. But be quick, because they won’t last long.
Might want to check that out if you're interested.