- In episode 66, Strings uses this card during his Duel against Yami Yugi while the former was possessed by Marik Ishtar. He activates this card to increase the ATK of "Slifer the Sky Dragon" to incredibly high levels (the ATK and DEF of "Slifer" is equal to the number cards in the controller's hand times 1000, but due to the rules of Battle City, players are only allowed to have a maximum of six cards in their hand as that is the hand size limit). Soon enough, Strings was able to create what he called, the ultimate combo that involved "Slifer the Sky Dragon" (which includes, "Slifer", "Jam Defender", "Revival Jam", "Card of Safe Return", and this card). In the next episode, Yugi and Seto managed to figure out that the combo had one fatal flaw (the maximum amount of ATK and DEF that "Slifer the Sky Dragon" can gain during a Duel is based on the number of cards in a player's Deck). This card remained on the field until the Duel was over.
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