The transaction record shows that it shipped May 5th.
Two days later the USPS site says that the tracking number is not found.
Massdrop is pretty good about shipping so this will probably arrive in the nick of time, but I have to say that I am a bit skeptical about receiving the cards on time.
Edit: no cards :(
cloudLikewise, needs to arrive tomorrow or Friday. I thought this was a sure thing shipping wise, given you know, the purpose of the cards and the weeks of lead time on the orders.
Edit: received the cards today
Edit: no cards :(