During ARC-V this weekened, based on Retweets during the Episode of a certain post, Konami will reveal up to 5 different cards!
https://twitter.com/YuGiOh_OCG_INFO/status/652412500890116097/photo/1
~1999 Retweets: 1 Card
~2000+ Retweets: 2 Cards
~4000+ Retweets: 3 Cards
~6000+ Retweets: 4 Cards
~8000+ Retweets: 5 Cards
