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Yu-Gi-Oh! · Common / Short PrintLive pricing
Machine King Prototype
Trending Up+27.8%Shadow of Infinity, 2006 · #SOI-EN012
Machine King Prototype's Near Mint price is up 27.8% ($0.05) over the past 30 days.
Fresh· Updated Nov 9, 2026
Card Details
TypeMonster — Machine
Mana CostLevel 3
P/TATK 1600 / DEF 1500
Card TextThis card gains 100 ATK and DEF for each Machine-Type monster on the field, except this card.
inkwell Fair Value™?· NM
$0.23
single source
——
Condition?
Confidencemedium
Prices as ofNov 9
Normal—
Cheapest printing$0.18
Why This Price
inkwell Estimate
Fair Value$0.23
Movement
7D Change+27.8% (+$0.05)
30D Change+27.8% (+$0.05)
Freshness
Prices as ofNov 9
Update cadenceDaily
Inkwell Fair Value$0.23
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- How much is Machine King Prototype worth?
- The current Near Mint price for Machine King Prototype from Shadow of Infinity (Yu-Gi-Oh!) is $0.23. It has increased 27.8% over the past 7 days.
- What set is Machine King Prototype from?
- Machine King Prototype is from the Shadow of Infinity set, released February 2006. It is a Common / Short Print in Yu-Gi-Oh!.
- What rarity is Machine King Prototype?
- Machine King Prototype is a Common / Short Print card from Shadow of Infinity in Yu-Gi-Oh!.
- How has the price of Machine King Prototype changed over the past 30 days?
- Over the past 30 days, the Near Mint price of Machine King Prototype has risen 27.8% ($0.05) to $0.23.
- How many printings of Machine King Prototype exist?
- Machine King Prototype has 4 printings across different Yu-Gi-Oh! sets. The cheapest printing is $0.18 from Battle Pack 3: Monster League.