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Karumonix, the Rat King

ponePhyrexia: All Will Be One Promos#98srare
{1}{B}{B}
Treatments
FoilPrerelease
Market price · TCGplayer
updated 2026-06-22
Foil$3.17
Low $3.17Mid $19.84Buylist
All finishes · 30d
updated 1h ago
Foil$3.17 +10.8%
Card details
Artist
Helge C. Balzer
Frame
legendary
Language
EN
Border
black
Security stamp
oval
Format legality
AlchemyNot legal
BrawlLegal
CommanderLegal
DuelLegal
Future StandardNot legal
GladiatorLegal
HistoricLegal
LegacyLegal
ModernLegal
OathbreakerLegal
Old SchoolNot legal
PauperNot legal
Pauper CommanderNot legal
PennyLegal
PioneerLegal
PreDHNot legal
PremodernNot legal
StandardNot legal
Standard BrawlNot legal
TimelessLegal
Tiny LeadersLegal
VintageLegal
Oracle text

Legendary Creature — Phyrexian Rat

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.

P/T3/3
Abilities
Toxic 1
StaticOther Rats you control have toxic 1.
TriggeredWhen 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.
Plays as
Library Manipulation
Flavor & art
Illustrated by
Helge C. Balzer
Rulings
  • WotCFeb 4, 2023

    A player with ten or more poison counters loses the game. This is a state-based action and doesn't use the stack. In other words, it happens immediately and players can't respond to it, just like a player losing the game due to having 0 or less life.

  • WotCFeb 4, 2023

    Any other effects of that damage, such as life gain from lifelink, still apply.

  • WotCFeb 4, 2023

    Conversely, replacement effects that apply to the number of counters put on a player can modify the counters placed this way. For example, Vorinclex, Monstrous Raider's last two abilities can apply to counters placed this way.

  • WotCFeb 4, 2023

    Damage dealt by a creature with toxic grants the same number of counters regardless of how much damage is dealt. Notably, if a replacement effect modifies the damage in some way (such as that of Gratuitous Violence), the number of counters given remains unchanged.

  • WotCFeb 4, 2023

    If a creature with toxic deals combat damage to a creature or planeswalker, or if it deals noncombat damage, toxic has no effect and no player gets poison counters.

  • WotCFeb 4, 2023

    Multiple instances of toxic are cumulative. For example, if a creature has toxic 2 and gains toxic 1 due to another effect, combat damage that creature deals to a player will cause that player to get 3 poison counters.

  • WotCFeb 4, 2023

    Toxic doesn't change the amount of combat damage a creature deals. For example, if a 2/2 creature with toxic 1 deals combat damage to a player, that creature will deal 2 damage. The results of that damage are the player loses 2 life and gets a poison counter.