A regular playing card deck contains 52 cards. A Tarot deck contains 78 cards, 22 major arcana and 56 minor arcana. No, one cannot use a regular playing card deck as Tarot. Although I believe the cards has their origins from the very Tarot.
Here's a post about the Tarot in there is a post from Magnum Arcanum that will explain how the Tarot got reduced for fucking bicycle playing cards ;sdkjv;oiasjdf....
