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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.
Abilities, attacks, weakness & resistance
Other cards from Magic Online Promos
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Sludge Monster (PRM-93932) is a rare Creature — Horror from the Magic Online Promos expansion. Whenever it enters or attacks, you may put a slime counter on up to one other target creature, and any non-Horror creature with a slime counter loses all abilities and becomes a base 2/2. Its continuous ability applies to all non-Horror creatures that have slime counters, not only those targeted by Sludge Monster's own trigger, which can be leveraged to neutralize opposing utility creatures.
Catalog pricing data as of 2 May 2026, 01:27
