X-ray Skull Cards
These x-ray skull cards will definitely add extra mystery to the next poker night and will make you think twice about bluffing. It is slightly unnerving to be able to see through your cards and this would definitely add an extra layer of tension.
Each of its 54 inclusions have slightly varying skull images on each side, with the backs printed in black and the fronts blue. Face cards also have special colored highlights on their eyes, teeth, or brain.