Wake up, Ultraman! It’s a known fact that with one of these decks in your hands, you’ll be the coolest kid on the playground. It turns out that when you combine two things everyone loves – playing cards and Ultraman – the result is something awesome. In this article we’ll be talking about the history of playing cards and how different cultures have interpreted them. We’ll also be looking at some of the most popular collectible playing cards in the world today.