Tamakushi Casket

Combat Action: When your active character is Sangonomiya Kokomi, equip this card.\nAfter Sangonomiya Kokomi equips this card, immediately use Nereid's Ascension once.\nWhen your Sangonomiya Kokomi, who has this card equipped, uses Nereid's Ascension: Summon a Bake-Kurage with a Usage(s) of 1; if Bake-Kurage is already on the field, then increase its Usage(s) by 1 instead.\nWhile Ceremonial Garment exists, Bake-Kurage deals +1 DMG.\n(You must have Sangonomiya Kokomi in your deck to add this card to your deck.)