[Always]<Valid> Square <Effect> All Z/X that contain "Shikigami" in their card name in the Force of your Z/X gets Cost -1. However, the Cost cannot be 0 or less. [Auto]<Valid> Square <Trigger> This card appears. <Effect> Reveal the top card of your deck. If that card contains "Shikigami" in its card name, you may add that card to hand. If you don't, put that card into Trash.