Combat Action: When your active character is Kujou Sara, equip this card. After Kujou Sara equips this card, immediately use Tengu Stormcall once. When Kujou Sara has this card equipped, all allied Electro characters with Crowfeather Cover will deal +1 additional Elemental Skill and Elemental Burst DMG. (You must have Kujou Sara in your deck to add this card to your deck.)