The preview for the 4th episode of Kamen Rider Saber sees Kamen Rider Buster get into an argument with the team while they trying to figure out how to save Sora. The teaser also reveals that we will get to see Touma use three Wonder Books at once while fighting a Megiddo. In addition, the episode will also introduce the 3rd Sword of Logos Rider, Kamen Rider Espada(picture above).
Kamen Rider Espada features white and yellow armor; his signature element is lightning powered by the Sword of Lightning Ikazuchi. Espada’s real name is Kento Fukamiya (portrayed by Ryo Aoki); he and Saber are childhood friends.