Top-Secret Tunnel
Unstable · #207

Top-Secret Tunnel

Top-Secret Tunnel is a Common Artifact — Contraption from Unstable (207) in Magic: The Gathering. Mana cost 0 CMC. Cactaur's latest catalog snapshot shows a market reference near $0.54 for ungraded copies.

Unstable set collectorsBulk and playset buyers
TCGPlayer market $0.54
Cardmarket trend €0.14
Rarity Common
App coming soon

Who is this card for?

Top-Secret Tunnel suits collectors and players working on Unstable who need the Common slot. This is typically a low-cost slot for master sets; avoid overpaying unless you need a specific finish or near-mint condition.

What is Top-Secret Tunnel from Unstable?

Top-Secret Tunnel is a Artifact — Contraption in Unstable numbered 207. Mana cost 0 CMC. Top-Secret Tunnel (207) from Unstable should be evaluated with set context, mana cost, color identity, and condition together. This printing is from Unstable. Collector number 207 distinguishes this printing from same-name cards in other sets.

What is Top-Secret Tunnel worth today?

Cactaur tracks a market reference near $0.54 for Top-Secret Tunnel. Low and high spread runs $0.54 to null. Per-finish references: cardmarket: $0.14; foil: $0.54; Normal: $0.11. This printing is from Unstable. Collector number 207 distinguishes this printing from same-name cards in other sets.

SetUnstable
Number207
RarityCommon
TCGPlayer USD$0.54
Cardmarket EUR€0.14
cardmarket $0.14
foil $0.54
Normal $0.11

How collectible is Top-Secret Tunnel?

Top-Secret Tunnel is a Common printing in Unstable. Master set builders use collector number and set symbol to track completion progress. This printing is from Unstable. Collector number 207 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Common. The set released in 2017.

What are the key details for Top-Secret Tunnel?

Top-Secret Tunnel lists as Artifact — Contraption. Artist: Ralph Horsley. Rules text is indexed in the catalog for search and deck research. This printing is from Unstable. Collector number 207 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Common.

Cactaur's take

Top-Secret Tunnel (207) from Unstable should be evaluated with set context, mana cost, color identity, and condition together.

Pros

  • Top-Secret Tunnel is catalogued as Common Artifact — Contraption in Unstable, making set and collector number verification straightforward.
  • Public market data shows a reference near $0.54 across finishes (cardmarket: $0.14; foil: $0.54; Normal: $0.11).
  • Mana cost 0 CMC and type line Artifact — Contraption help deck builders confirm the correct printing quickly.

Cons

  • Raw market prices vary by condition and finish — 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 finish.

FAQ

What is Top-Secret Tunnel from Unstable?

Top-Secret Tunnel is a Common Artifact — Contraption from Unstable numbered 207 in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is Top-Secret Tunnel worth?

Cactaur's catalog snapshot shows a market reference near $0.54 for ungraded Top-Secret Tunnel. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Top-Secret Tunnel?

Top-Secret Tunnel is catalogued as Common in Unstable. Use the collector number and set symbol on listings to confirm you are buying this exact printing.

How do I verify the correct Top-Secret Tunnel printing?

Match set code ust, collector number 207, and finish treatment. Scryfall-backed metadata on this page is the reference Cactaur uses for catalog keys. This printing is from Unstable.

Should I buy Top-Secret Tunnel near mint or played?

Near-mint copies command the catalog reference near $0.54. 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: 2026-06-23. Last updated: 2026-06-23.