Yu-Gi-Oh! · Super RareLive pricing
K9-66X "Jacks"
Trending Up+12.5%Doom of Dimensions, 2025 · #DOOD-EN047
K9-66X "Jacks"'s Near Mint price is up 20.0% ($0.06) over the past 30 days.
7h ago· Updated Nov 2, 2026
Card Details
TypeMonster — Fiend
Mana CostLevel 5
P/TATK 2600 / DEF 2500
Card Text2 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.
inkwell Fair Value™?· NM
$0.36
single source
$0.35$0.36
Condition?
Confidencemedium
Prices as ofNov 2
Normal—
Cheapest printing$0.34
Why This Price
inkwell Estimate
Fair Value$0.36
Movement
7D Change+12.5% (+$0.04)
30D Change+20.0% (+$0.06)
Freshness
Prices as ofNov 2
Update cadenceDaily
Inkwell Fair Value$0.36
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- How much is K9-66X "Jacks" worth?
- The current Near Mint price for K9-66X "Jacks" from Doom of Dimensions (Yu-Gi-Oh!) is $0.36. It has increased 12.5% over the past 7 days.
- What set is K9-66X "Jacks" from?
- K9-66X "Jacks" is from the Doom of Dimensions set, released September 2025. It is a Super Rare in Yu-Gi-Oh!.
- What rarity is K9-66X "Jacks"?
- K9-66X "Jacks" is a Super Rare card from Doom of Dimensions in Yu-Gi-Oh!.
- How has the price of K9-66X "Jacks" changed over the past 30 days?
- Over the past 30 days, the Near Mint price of K9-66X "Jacks" has risen 20.0% ($0.06) to $0.36.
- How many printings of K9-66X "Jacks" exist?
- K9-66X "Jacks" has 2 printings across different Yu-Gi-Oh! sets. The cheapest printing is $0.34 from Doom of Dimensions.