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  6. Machine King Prototype

Yu-Gi-Oh! · Shadow of Infinity · #SOI-EN012 · Common

Machine King Prototype

Yu-Gi-Oh! card price for Machine King Prototype: $0.26 market, from $0.01 at the cheapest listing, 1st Edition printing, updated Oct 18, 2026. Full price history since Feb 8, 2024 below.

Market price · 1st Edition · Oct 18, 2026
$0.26
0.0% this week · +4.0% in 30 days
Buy on eBay →
1 day0.0%
7 days0.0%
30 days+4.0%
90 days−3.7%
1 year+18.2%
All time+36.8%

Sellers right now

$0.01lowest listing$19.81highest
Market price$0.26
Mid listing$0.25
30-day avg$0.26

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

One year

$0.1952-week low$0.2952-week high
In the range70%
All-time low$0.12
All-time high$0.29
First priceFeb 8, 2024
1st Edition · market price
$0.11$0.18$0.24$0.31
$0.26
Feb 2024Dec 2024Nov 2025Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Machine King Prototype (1st Edition) entered our records in February 2024 at $0.19 and stands at $0.26 today, up 36.8% over that time. Over the past twelve months it moved +18.2%, trading between $0.19 and $0.29. The current price is in the middle of that range. Its all-time high in our data is $0.29, still 11.5% above the current price. The cheapest listing right now is $0.01, and the 30-day average market price is $0.26.

Printings

PrintingMarketLowHigh7d
1st Edition$0.26$0.01$19.810.0%
Unlimited$0.18$0.03$19.810.0%

The card in play

ATK1600
DEF1500
Card type
Effect Monster
Attribute
EARTH
Monster type
Machine
Card text

Effect: Increase the ATK and DEF of this card by 100 points for each Machine-Type monster on the field other than this card.

Other printings of Machine King Prototype

3 more · $0.17 – $1.00
All printings

Also in Shadow of Infinity

most valuable
Full set