Hey Allisonaxe! Thanks for bringing this up, it's an issue we discovered recently.
I have good news in three forms:
1) Those are not your actual cards. The server deals your hand, and those cards are correct. This is a user interface issue that comes up sometimes if you're paused or doing something else when you get dealt in.
2) There is a workaround: Just pause/unpause the game (bring up the menu) and your cards should appear correctly.
3) It's already fixed developer side! Next time we do a live update, it won't happen anymore. (this is Soon, hopefully
Sorry for the inconvenience, and thanks for sticking with us while we dust off the cobwebs!