Einzbern's wirework. An angel's poem will echo through the freezing night. Familiars created with wires and hairs will autonomously capture and attack the enemy. "Storch Ritter" in the bird shape and many other forms exist.
Cards with Similar Effects
This Craft Essence features Storch Ritter: Knight of Stork, the bird familiars created by Illyasviel von Einzbern from Fate/Stay Night.