Demon lord castle in the sky, Satsuki palace (RR)

[Cast Cost] [Put two «Demon Lord» from your drop zone into this card's soul]

[Set] ■ When you would call a «Demon Lord» from anywhere other than your hand, reduce its [Call Cost] by 1 gauge. ■ [Counter] [Act] If you do not have a monster in your center, you may call a «Demon Lord» from this card's soul by paying its [Call Cost] to the center. This ability may only be used once per turn.