Slot Machine Power Unit (スロットマシーンパワーユニット Surotto Mashīn Pawā Yunitto) is a card type in the manga, used to strengthen the card "Slot Machine". The only card shown with this type is "7 Completed", which has an ATK variant and a DEF variant. In all other media, this is a Spell Card, with both variants merged into one card. 7Completed-JP-Manga-DM-ATK.png | "7 Completed (ATK version)" 7Completed-JP-Manga-DM-DEF.png | "7 Completed (DEF version)"