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  6. K9-66X "Jacks"

Yu-Gi-Oh! · Doom of Dimensions · #DOOD-EN047 · Super Rare

K9-66X "Jacks"

Yu-Gi-Oh! card price for K9-66X "Jacks": $0.29 market, from $0.01 at the cheapest listing, 1st Edition printing, updated Oct 19, 2026. Full price history since Sep 18, 2025 below.

Market price · 1st Edition · Oct 19, 2026
$0.29
−3.3% this week · +3.6% in 30 days
Buy on eBay →
1 day−6.5%
7 days−3.3%
30 days+3.6%
90 days+3.6%
1 year−9.4%
All time−91.5%

Sellers right now

$0.01lowest listing$19.77highest
Market price$0.29
Mid listing$0.32
Direct$0.25
30-day avg$0.29

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$0.29

One year

$0.1652-week low$0.4252-week high
In the range50%
All-time low$0.16
All-time high$3.39
First priceSep 18, 2025
1st Edition · market price
$0.21$0.25$0.29$0.33
$0.29
Jul 21Aug 20Sep 19Oct 19
TCGplayer market price · via tcgcsvtcgrate.com

Price story

K9-66X "Jacks" was released in September 2025. Launch-week prices are left out here: before supply arrives they are mostly guesses. Over the past twelve months it moved −9.4%, trading between $0.16 and $0.42. The current price is in the middle of that range. The cheapest listing right now is $0.01, and the 30-day average market price is $0.29.

Printings

PrintingMarketLowHigh7d
1st Edition$0.29$0.01$19.77−3.3%

The card in play

ATK2600
DEF2500
Card type
Xyz/Effect Monster
Attribute
DARK
Monster type
Fiend
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.

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