Hi @manug14
Chances are in your favour! If you live in London, you can ask support (twitter DM or email help@monzo.com) about popping over to their offices to pick up card - if you don’t get it in tomorrow’s mail. 
I’m so happy to see sudden onboard users, it’s just a confirmation how convincing Monzo as a product is. 
Just remember that backup card is strongly advised, as Monzo is still in beta. Here’s even Canadian Wiki for you and once you are back, we’d appreciate some feedback about your trip in this Monzo in Canada discussion. 