“Tracking it isn't the hard part.”
Sludge Monster
Card Rules and Details
Card Type: Creature — Horror
Mana Cost: {3}{U}{U}
Oracle Rules Text: 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.
Flavor Text: Tracking it isn't the hard part.
Set: Commander Legends: Battle for Baldur's Gate (#735), Rarity: Rare, Artist: Svetlin Velinov
Creature
Blue
Rare
$0.59
Regular
€0.43
Euro
Prices as of Sep 02, 2026. Market values fluctuate; double-check current pricing before purchasing.
Historical Printings & Sets (1)
1 Languages
Official Rulings (2)
2021-09-24
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.
2021-09-24
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.
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