Karumonix, the Rat King
Phyrexia: All Will Be One · #439

Karumonix, the Rat King

Karumonix, the Rat King is a Rare Legendary Creature — Phyrexian Rat from Phyrexia: All Will Be One (439) in Magic: The Gathering. Mana cost {1}{B}{B}. Color identity: B. Cactaur's latest catalog snapshot shows a market reference near $14.56 for ungraded copies.

Phyrexia: All Will Be One set collectorsRarity-focused collectorsPrice-conscious singles buyers [object Object][object Object][object Object][object Object][object Object][object Object]
TCGPlayer market $14.56
Cardmarket trend
Rarity Rare
App coming soon

Who is this card for?

Karumonix, the Rat King suits collectors and players working on Phyrexia: All Will Be One who need the Rare slot. Compare listing photos to your target finish and confirm the Scryfall collector number before buying online.

What is Karumonix, the Rat King from Phyrexia: All Will Be One?

Karumonix, the Rat King is a Legendary Creature — Phyrexian Rat in Phyrexia: All Will Be One numbered 439. Mana cost {1}{B}{B}. Color identity: B. Karumonix, the Rat King (439) from Phyrexia: All Will Be One should be evaluated with set context, mana cost, color identity, and condition together.

What is Karumonix, the Rat King worth today?

Cactaur tracks a market reference near $14.56 for Karumonix, the Rat King. Low and high spread runs $14.56 to null. This printing is from Phyrexia: All Will Be One. Collector number 439 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Rare.

SetPhyrexia: All Will Be One
Number439
RarityRare
TCGPlayer USD$14.56
Cardmarket EUR
foil $14.56

Card stats

ColorsB
Power3

How collectible is Karumonix, the Rat King?

Karumonix, the Rat King is a Rare printing in Phyrexia: All Will Be One. Master set builders use collector number and set symbol to track completion progress. This printing is from Phyrexia: All Will Be One. Collector number 439 distinguishes this printing from same-name cards in other sets.

What are the key details for Karumonix, the Rat King?

Karumonix, the Rat King lists as Legendary Creature — Phyrexian Rat with keywords Toxic. Artist: Flavio Girón. Rules text is indexed in the catalog for search and deck research. This printing is from Phyrexia: All Will Be One. Collector number 439 distinguishes this printing from same-name cards in other sets.

Cactaur's take

Karumonix, the Rat King (439) from Phyrexia: All Will Be One should be evaluated with set context, mana cost, color identity, and condition together.

Pros

  • Karumonix, the Rat King is catalogued as Rare Legendary Creature — Phyrexian Rat in Phyrexia: All Will Be One, making set and collector number verification straightforward.
  • Public market data shows a reference near $14.56.
  • Mana cost {1}{B}{B} and type line Legendary Creature — Phyrexian Rat 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 $14.56 as a benchmark, then adjust for finish, grade, and how quickly you need to buy or sell.

FAQ

What is Karumonix, the Rat King from Phyrexia: All Will Be One?

Karumonix, the Rat King is a Rare Legendary Creature — Phyrexian Rat from Phyrexia: All Will Be One numbered 439 in Magic: The Gathering. Cactaur indexes set, rarity, mana cost, and market references for this printing.

How much is Karumonix, the Rat King worth?

Cactaur's catalog snapshot shows a market reference near $14.56 for ungraded Karumonix, the Rat King. Condition, finish, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Karumonix, the Rat King?

Karumonix, the Rat King is catalogued as Rare in Phyrexia: All Will Be One. Use the collector number and set symbol on listings to confirm you are buying this exact printing.

Is Karumonix, the Rat King legal in Commander or Standard?

Karumonix, the Rat King shows format legality in historic, timeless, gladiator, pioneer based on our latest ingest. Always verify the exact printing and ban-list updates before registering a deck for an event.

Should I buy Karumonix, the Rat King near mint or played?

Near-mint copies command the catalog reference near $14.56. 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.