This is a virtual card game created on steem Blockchain where you can collect card by buying card packs and thei are 5 types of cards and these "Legendary" cards are very rare and hard to get and once the Tournament starts we can participate in those using these cards and can win real money in Sbd so it's a cool concept and every body wants to buy Legendary to powering up their army,yoyycan read more about it on their official website :- https://steemmonsters.com