Even after the official term for Magic Cards was changed to Spell Cards, the cards in the picture on this card still said Magic Card.
Later on, the cards in the picture were left completely blank.
The cards within this card's art are not copies of "7", though like that card, they are meant to be in a group of three and thus also reference "Slot Machine" like "7" does.
The three cards in the picture contain two that say ATK and one that says DEF, which was how Bandit Keith used his three copies of this card to power up his "Slot Machine" in his duel against Joey Wheeler.
This is the only Equip Spell where the player can choose whether to give the equipped monster more ATK or more DEF.