• In episode 37, Yuma uses this card during his Duel against Dextra and Nistro. He sets this card on the first turn. On Yuma's next turn, he Flip Summons this card. After "Morpho Butterspy" attacks and destroys "Tasuke Knight" (whose ATK was 700 due to the effect of "Morpho Butterspy"), Dextra activates the effect of "Swallowtail Butterspy" to decrease this card's ATK by the Battle Damage "Morpho Butterspy" inflicted. "Swallowtail Butterspy" then attacks and destroys this card.

Scripted Duels