K9-66X "Jacks"

DARK

[ Fiend / Xyz / Effect ] 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. ATK/ 2600 DEF/ 2500

How to Obtain

Strike of Justice

Popularity Ranking

Overall

64th

Among Monsters

44th

Usage Statistics

Vanquish Soul K9

95%

Artmage

35%

59%

86%

14%

Crystron K9

83%

17%

Super Quant

60%

40%

Solfachord

40%

60%

Latest Decks with K9-66X "Jacks"

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				—	Ddb_107	1170 390	May 22, 2026					—	BòXàoHànhTây	1080 420	May 22, 2026					—	Darius	1050 450	May 21, 2026					—	The	1080 450	May 21, 2026					—	Spoinker	1050 420	May 20, 2026					Top 8	KAT	1110 450	May 20, 2026					—	wind	1110 360	May 20, 2026					—	Dean	960 540	May 19, 2026					—	Masuta Bikuta	990 420	May 18, 2026					Top 8	∀ɴᴛøɴɪø	990 450	May 18, 2026

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