Shinsengumi

"Shinsengumi" is an attribute given to cards featuring humans riding dragons, all of whom are named after historical members of the Shinsengumi, which was a Japanese government body that enforced order during the Meiji Reformation. All current members also have the attribute Dragon Knight and are all size 1. It is currently unique to Dragon World.

Sets containing Shinsengumi cards

 * Booster Set 3: Drum's Adventures

Spells

 * Wolf of Mibu

Size 1

 * Dragon Knight, Kondou

Support

 * Dragon Knight, Kondou
 * Wolf of Mibu

Note that all Dragon Knight support also supports this attribute at this point in time, since they all also have that attribute.