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Sludge Monster

{3}{U}{U}

Creature — Horror

PMIDInnistrad: Midnight Hunt Promos#76prare

Tracking it isn't the hard part.

Promo
Promo Pack
Finishes
Nonfoil · Foil
Border
black
Security stamp
oval
Frame
2015
Illustrator
Svetlin Velinov
Printings7EDHREC rank#3,970
CommanderLegalModernLegalStandardNot legal
Format legality

Constructed

StandardNot legal
PioneerLegal
ModernLegal
LegacyLegal
VintageLegal
PauperNot legal

Commander

CommanderLegal
Pauper CommanderNot legal
Duel CommanderLegal
PreDHNot legal
OathbreakerLegal
Tiny LeadersNot legal

Arena

AlchemyNot legal
HistoricLegal
TimelessLegal
BrawlLegal
Standard BrawlNot legal
Competitive BrawlLegal
GladiatorLegal

Other

PremodernNot legal
Old SchoolNot legal
Penny DreadfulLegal
Future StandardNot legal
Whenever this creature enters or attacks, put a slime counter on up to one other target creature. Non-Horror creatures with slime counters on them lose all abilities and have base power and toughness 2/2.
5/5
Plays as:
Attack Trigger
Market · per finishspark updated 1h ago · prices as of 2026-08-30
Nonfoil+11.5%
$0.87
$0.74 low$0.29 gapTCGplayer
Foil+19.6%
$0.61
$0.60 low$0.00 gapTCGplayer
Cheapest playable copy$0.61· across 7 printings· you're viewing it

Rulings

2 · latest Sep 24, 2021
  • WotCSep 24, 2021

    If a non-Horror creature with a slime counter on it somehow becomes a Horror, the effect making it 2/2 and making it lose its abilities ends. Its base power and toughness will revert to whatever it was before that effect started applying, although other effects that modify power and/or toughness, such as ones created by Auras, counters, and the like may still apply. It'll also have whatever abilities it had before it lost them.

  • WotCSep 24, 2021

    Sludge Monster's last ability affects all non-Horror creatures with slime counters on them, not just creatures that had slime counters put on them with Sludge Monster's first ability.