Karumonix, the Rat King (Showcase)
Magic: The Gathering | Phyrexia: All Will Be One - Singles
United States marketplace listings with USD buyer pricing, shippable seller stock, and 14-day buyer protection.
| Rarity | R |
| Number | 307 |
| Printed in | Magic: The Gathering | Phyrexia: All Will Be One |
| Available | 3 items |
| From | $1.50 |
| Type | Legendary Creature — Phyrexian Rat |
| Seller | Condition | Card price | Stock | Action |
|---|---|---|---|---|
NM | $1.50 | 1 | ||
LPFoil | $1.99 | 1 | ||
NM | $3.00 | 1 |
About Karumonix, the Rat King (Showcase)
Karumonix, the Rat King (Showcase) from Phyrexia: All Will Be One is currently available from around $1.19. This panel brings together mana value, rules text, format signals, and set details in one place.
Mana Cost
Mana Value 3Color Identity
BlackPower / Toughness
Card Text
Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
Other Rats you control have toxic 1.
When Karumonix enters, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.
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Card Facts
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Frequently Asked Questions
How much is Karumonix, the Rat King (Showcase) worth?
Karumonix, the Rat King (Showcase) is currently shown on Card Synced from about $1.19 for Phyrexia: All Will Be One. This is a live floor on active listings. For MTG singles, foil status and rarity generally have the biggest impact on spread.
Karumonix, the Rat King (Showcase) has 5 other tracked printings in other sets or variants, so you can compare across editions before buying.
Is Karumonix, the Rat King (Showcase) legal in Commander?
Karumonix, the Rat King (Showcase) is legal in Commander. It is also legal in Modern, legal in Pioneer.
Is Karumonix, the Rat King (Showcase) legal in Modern, Pioneer, or Vintage?
This card can differ across formats. Card Synced shows a live legality snapshot from Oracle and updates it as rulings change. Use the legality table above to confirm full format details before buying.
Is Karumonix, the Rat King (Showcase) on the Reserved List?
No. Karumonix, the Rat King (Showcase) is not on the Reserved List. That can affect long-term scarcity and collector demand.
What is Karumonix, the Rat King (Showcase) in-game text?
In game, Karumonix, the Rat King (Showcase) is a Legendary Creature — Phyrexian Rat with text that starts: "Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)".
How popular is Karumonix, the Rat King (Showcase) in Commander decks?
Karumonix, the Rat King (Showcase) ranks #3,320 on EDHREC for Commander inclusion, which is a proxy for market demand and practical deck usage.
Other Printings of Karumonix, the Rat King (Showcase)
This card has been printed in 5 other sets. Compare prices across different editions.
Buy Karumonix, the Rat King (Showcase) on Card Synced
Looking to buy Karumonix, the Rat King (Showcase)? Card Synced offers the best prices with 0% seller fees, meaning sellers keep more and can offer better prices. Every purchase includes buyer protection with a 14-day inspection period.
As a 3/3 creature, Karumonix, the Rat King (Showcase) can be a valuable addition to your deck. With keywords like Toxic, it offers unique strategic options.
Karumonix, the Rat King (Showcase) ranks #3,320 on EDHREC, making it a popular choice for Commander players. Browse our selection to find the best deal.
Plus, your Card Synced wallet balance can be spent at verified partner card shops worldwide, bridging online and offline card trading.
Searchers looking for Karumonix, the Rat King (Showcase) legality or value usually care about the same things: current format status, available printings, and whether the card is seeing fresh demand from Commander, Modern, or Pioneer players. This page keeps those signals together.