Gods Unchained is seeking to be the first mass adopted E-Sport on the blockchain with uniquely designed cards created in very limited quantities. In fact, this card game is expected to be so huge that someone just paid $40,000 or ~ 146 Ether in current value for Hyperion who is one of only 4 mythic titans who will be created this year.
If you're not buying into this becoming a huge card game yet, then you haven't heard about the $309,000 - $1.6 million expected prize pool for the world championships in 2019. There will only be 20,000 entrance tickets as ERC 20 tokens for the event.
The Gods Unchained cards are still available for purchase in four main categories of rare, epic, legendary, and shiny legendary-meaning the card appears shiny and therefore becomes more rare. None of the cards that you purchase will be actual physical cards, but you will have true ownership of them through the blockchain. Also, you won't know exactly which cards you'll get when you make a purchase, but you can visit the website for a few more details. Every purchase you make also has the chance of unlocking a mythic titan as 2 more currently remain. There will be a maximum of 4 mythic titans per year. Below is picture from their website of some of the cards you might get when you make a purchase.
You can sign-in with MetaMask and purchase the cards here: https://godsunchained.com/buy-cards