K9-66X "Jacks"
Market price · TCGPlayer
Updated Sep 14, 2026
$0.30
Type
Fiend
Rank
5
ATK
2600
DEF
2500
2 Level 5 monsters<br>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.<br>• 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.
Appears in 1 expansion
Printings (1)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Doom of Dimensions | DOOD-EN047 | Super Rare | $0.30 |
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