K9-66X "Jacks" is a Yu-Gi-Oh! card. Compare listings from Singapore Yu-Gi-Oh! sellers on CardJio, then jio them on WhatsApp.
Type
Fiend / Xyz / Effect
Attribute
DARK
Race
Fiend
Level / Rank
5
ATK / DEF
2600 / 2500
Passcode
67515699
OCG Release
2025-07-26
TCG Release
2025-09-25
First Printed
AE DOOD-AE047 (2025-12-13) · DE DOOD-DE047 (2025-09-25) · EN DOOD-EN047 (2025-09-26) · ES DOOD-SP047 (2025-09-25) · FR DOOD-FR047 (2025-09-25) · IT DOOD-IT047 (2025-09-25) · JA DOOD-JP047 (2025-07-26) · KO DOOD-KR047 (2025-09-26) · PT DOOD-PT047 (2025-09-25)
Card Text
2 Level 5 monsters
If this card is Xyz Summoned, or if your opponent activates a monster effect in the hand or GY: You can detach 1 material from this card, then target 1 monster on the field; destroy it. You can only use this effect of "K9-66X "Jacks"" once per turn. A "K9" Xyz Monster that has this card as material gains this effect.
● During any turn in which your opponent has activated a monster effect in the hand or GY, any battle damage this card inflicts to your opponent is doubled.