- In episode 59, Nistro uses this card during his Duel against Yuma Tsukumo. He Xyz Summons this card by overlaying "Heroic Champion - Gandiva" (who was Level 4 and treated as two monsters for the Xyz Summon via "Xyz Crown") and "Heroic Challenger - Night Watchman". After Nistro activates "Fighter's Charm" to switch "Gagaga Cowboy" to Attack Position and make its ATK equal to its DEF, this card attacks "Gagaga Cowboy" and Nistro takes 200 damage due to "Desert Field". Yuma then activates "Overlay Buster" to increase the ATK of "Gagaga Cowboy" by 500, but Nistro activates this card's effect to negate and destroy "Overlay Buster" and increase its ATK by 500 by detaching an Overlay Unit. Yuma then activates "Fighting Fund" to prevent "Gagaga Cowboy" from being destroyed in battle though he still takes damage. On Nistro's End Phase, the effect of "Fighter's Charm" and this card expire, returning the ATK of this card and "Gagaga Cowboy" to their original value (shortly after the Field Spell changes to "Sunset Showdown"). Later Yuma activates the first effect of "Gagaga Cowboy" to increase its ATK by 1000 as well as decrease this card's ATK by 500. "Gagaga Cowboy" then attacks this card, but Nistro activates "Heroic Change" in response. Nistro then activates this card's effect to negate and destroy "Heroic Change" and increase its ATK by 500 by detaching an Overlay Unit. This causes both monsters to be destroyed in a Double KO. Due to the effect of "Sunset Showdown", both players takes 300 damage. Nistro then activates "Xyz Xtreme !!" to allow both players to Special Summon one Xyz Monster from their Extra Deck with the same Rank as their destroyed Xyz Monster. Nistro Special Summons "Heroic Champion - Excalibur" while Yuma Special Summons "Number 39: Utopia".
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