Machine King Prototype
Shadow of Infinity · #EN012

Machine King Prototype

Machine King Prototype is a Common Effect Monster from Shadow of Infinity (EN012) in the Yu-Gi-Oh! TCG. Stats: EARTH, Level 3, ATK 1600, DEF 1500. Cactaur's latest catalog snapshot shows a market reference near $0.28 for ungraded copies.

Shadow of Infinity set collectorsBulk and playset buyers
TCGPlayer market $0.28
Cardmarket trend
Rarity Common
App coming soon

Who is this card for?

Machine King Prototype suits collectors and players working on Shadow of Infinity who need the Common slot. This is typically a low-cost slot for master sets; avoid overpaying unless you need a specific edition or near-mint condition.

What is Machine King Prototype from Shadow of Infinity?

Machine King Prototype is a Effect Monster in Shadow of Infinity numbered EN012. EARTH, Level 3, ATK 1600, DEF 1500. Machine King Prototype (EN012) from Shadow of Infinity should be evaluated with set context, stats, archetype, and condition together. This printing is from Shadow of Infinity.

What is Machine King Prototype worth today?

Cactaur tracks a market reference near $0.28 for Machine King Prototype. Low and high spread runs $0.28 to null. This printing is from Shadow of Infinity. Collector number EN012 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Common. The set released in 2006.

SetShadow of Infinity
NumberEN012
RarityCommon
TCGPlayer USD$0.28
Cardmarket EUR

How collectible is Machine King Prototype?

Machine King Prototype is a Common printing in Shadow of Infinity. Master set builders use set code and passcode to track completion progress. This printing is from Shadow of Infinity. Collector number EN012 distinguishes this printing from same-name cards in other sets.

What are the key details for Machine King Prototype?

Machine King Prototype lists as Effect Monster (Machine). Rules text is indexed in the catalog for search and deck research. This printing is from Shadow of Infinity. Collector number EN012 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Common.

Cactaur's take

Machine King Prototype (EN012) from Shadow of Infinity should be evaluated with set context, stats, archetype, and condition together.

Pros

  • Machine King Prototype is catalogued as Common Effect Monster in Shadow of Infinity, making set code and passcode verification straightforward.
  • Public market data shows a reference near $0.28.
  • EARTH, Level 3, ATK 1600, DEF 1500 helps deck builders confirm the correct printing quickly.

Cons

  • Raw market prices vary by condition and edition — near-mint estimates are not slab grades.

Verdict: Treat this as a low-stakes master-set slot unless you are paying for gem condition or a specific edition.

FAQ

What is Machine King Prototype from Shadow of Infinity?

Machine King Prototype is a Common Effect Monster from Shadow of Infinity numbered EN012 in the Yu-Gi-Oh! TCG. Cactaur indexes set, rarity, stats, and market references for this printing.

How much is Machine King Prototype worth?

Cactaur's catalog snapshot shows a market reference near $0.28 for ungraded Machine King Prototype. Condition, edition, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Machine King Prototype?

Machine King Prototype is catalogued as Common in Shadow of Infinity. Use the set code on listings to confirm you are buying this exact printing.

How do I verify the correct Machine King Prototype printing?

Match set code soi, collector number EN012, and edition. YGOPRODeck-backed metadata on this page is the reference Cactaur uses for catalog keys. This printing is from Shadow of Infinity.

Should I buy Machine King Prototype near mint or played?

Near-mint copies command the catalog reference near $0.28. Heavily played copies trade lower unless the card is a chase rare where any clean copy is scarce.

Related cards

Trust & data sources. Cactaur displays catalog and market data from pokemontcg.io embedded TCGPlayer/Cardmarket references. Prices change frequently and are not guarantees.

Cactaur does not authenticate cards or guarantee values. Scan your copy in the iPhone app for condition-aware guidance.

Catalog snapshot: 2026-06-25. Last updated: 2026-06-25.