The legendary leader of the Six Samurai gets a reprint in Deck Build Pack: Spirit Warriors.
DBSW-JP011 Legendary Six Samurai – Shi En
The source video is Konami going over the basic effects of the Shadow Six Samurai, how to make Rihan with a Asceticism play, and also how to use Gateway of the Six to summon both Rihan and Shi En.
Yes. Gateway. It’s at 3 copies over in Japan and Asian countries/territories.