Machine King Prototype [1st Edition] SOI-EN012 — Yu-Gi-Oh Shadow Of Infinity Card Value
Yu-Gi-Oh Shadow Of InfinityWhat the Machine King Prototype [1st Edition] SOI-EN012 card from Yu-Gi-Oh Shadow Of Infinity is worth — ungraded and graded (PSA 10).
Machine King Prototype [1st Edition] SOI-EN012 value — Ungraded $0 · Grade 9 $7 · PSA 10 $55. Prices updated July 2026.
Real sold prices per grade — the PSA 10 premium on this card is 7.9× raw.
Monthly CIB value, based on sold comps.
See the actual sold listings on eBay ↗Live on eBay right now
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Item details
- Brand
- Yu-Gi-Oh
- Set
- Yu-Gi-Oh Shadow Of Infinity
- Game
- Yu-Gi-Oh
Machine King Prototype [1st Edition] SOI-EN012 (Yu-Gi-Oh Shadow Of Infinity) card value
An ungraded Machine King Prototype [1st Edition] SOI-EN012 from Yu-Gi-Oh Shadow Of Infinity averages around $0. A Grade 9 copy runs about $7, and a PSA 10 gem-mint commands $55.
What drives the price
Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.
Price guide
Sold values by grade vs. what sellers ask today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $0 | eBay sold comps |
| Grade 9 | $7 | eBay sold comps |
| PSA 10 | $55 | eBay sold comps |
Frequently asked questions
- What is the starting resale value for this card?
- The ungraded version of the Machine King Prototype starts at $0.
- How much is a graded PSA 10 copy worth?
- A PSA 10 graded copy of this card is currently valued at $55.
- What set does the Machine King Prototype belong to?
- This card is from the Yu-Gi-Oh Shadow Of Infinity set.
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