This is an event Craft Essence. It can only be obtained by participating in a time-limited event. This Craft Essence cannot be summoned.
Event reward and rare boss drop from the Kara no Kyoukai Collaboration Event. During the Garden of Order, this card increased the chance of spawning bonus Precursor Form enemies by 25% (max limit break: 50%). This effect was additive and counted if your support Servant was equipped with it.