X
Unstable · #137

X

X is a Rare Legendary Creature — Human Spy from Unstable (137) in Magic: The Gathering. Mana cost {U}{B}. Color identity: B, U. Cactaur's latest catalog snapshot shows a market reference near $1.73 for ungraded copies.

Unstable set collectorsRarity-focused collectorsPrice-conscious singles buyers
TCGPlayer market $1.73
Cardmarket trend €0.26
Rarity Rare
App coming soon

Who is this card for?

X suits collectors and players working on Unstable who need the Rare slot. Compare listing photos to your target finish and confirm the Scryfall collector number before buying online. This printing is from Unstable.

What is X from Unstable?

X is a Legendary Creature — Human Spy in Unstable numbered 137. Mana cost {U}{B}. Color identity: B, U. X (137) from Unstable should be evaluated with set context, mana cost, color identity, and condition together. This printing is from Unstable. Collector number 137 distinguishes this printing from same-name cards in other sets.

What is X worth today?

Cactaur tracks a market reference near $1.73 for X. Low and high spread runs $1.73 to null. Per-finish references: cardmarket: $0.26; foil: $1.73; Normal: $0.23. This printing is from Unstable. Collector number 137 distinguishes this printing from same-name cards in other sets.

SetUnstable
Number137
RarityRare
TCGPlayer USD$1.73
Cardmarket EUR€0.26
cardmarket $0.26
foil $1.73
Normal $0.23

Card stats

ColorsB, U
Power2

How collectible is X?

X is a Rare printing in Unstable. Master set builders use collector number and set symbol to track completion progress. This printing is from Unstable. Collector number 137 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Rare. The set released in 2017.

What are the key details for X?

X lists as Legendary Creature — Human Spy. Artist: Dmitry Burmak. Rules text is indexed in the catalog for search and deck research. This printing is from Unstable. Collector number 137 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Rare.

Cactaur's take

X (137) from Unstable should be evaluated with set context, mana cost, color identity, and condition together.

Pros

  • X is catalogued as Rare Legendary Creature — Human Spy in Unstable, making set and collector number verification straightforward.
  • Public market data shows a reference near $1.73 across finishes (cardmarket: $0.26; foil: $1.73; Normal: $0.23).
  • Mana cost {U}{B} and type line Legendary Creature — Human Spy 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: Use $1.73 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

What is X from Unstable?

X is a Rare Legendary Creature — Human Spy from Unstable numbered 137 in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is X worth?

Cactaur's catalog snapshot shows a market reference near $1.73 for ungraded X. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is X?

X is catalogued as Rare in Unstable. Use the collector number and set symbol on listings to confirm you are buying this exact printing. This printing is from Unstable.

How do I verify the correct X printing?

Match set code ust, collector number 137, 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 X near mint or played?

Near-mint copies command the catalog reference near $1.73. 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.