Dark Core Deck Case (Merchandise)

Dark Core Deck Case (ダークコアデッキケース Dākukoa Dekkikēsu) is a product of a deck case produced by Bushiroad. The design is based on a real normal "Dark Core Case" from the "Future Card Buddyfight" TV series. It was obtainable from the event "ガチ強っ!!ダークネス軍団に挑戦コーナー！" (Extremely Strong! Challenging the Darkness Corps Corner!). Participating it to fight against fighters using "Darkness Dragon World" deck and receive the Core Case.