In episode 56, this card is shown on Seeker's laptop when he was researching the Battle City participants and trying to figure out who should he duel first. This card is shown to be Rex's rarest card.
In episode 58, Rex uses this card during his Duel against Espa Roba. This card then attacks "Jinzo" directly, but Espa activates "Mesmeric Control" to negate the attack and lower its ATK by 800. "Jinzo" then attacks and destroys this card, winning Espa the duel. As per the Battle City rules, Rex forfeits this card to Roba as it was his rarest card.