Sludge Monster card art

Sludge Monster

Creature — Horror MV 5

Tracked across real Commander games played through TurnZero HQ.

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What it doesRulingsIn the 99Every version

What it does

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.

Rulings

2 official rulings, in the order Wizards published them.

  • 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.

  • 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.

Rulings are Wizards of the Coast's own, mirrored from Scryfall and refreshed nightly.

In the 99

Every deck whose current list includes Sludge Monster, whatever its commander.

Decks running it 2
Games played 0
Win rate — Fewer than 5 completed games — not enough to publish a rate yet.
Confirmed on board 0 Games where a board photo caught it actually in play.

Most played under

Commander Decks Games Win rate
Captain N'ghathrod 1 0 —
Lazav, Dimir Mastermind 1 0 —

Colors it shows up in

  • Dimir 2 decks

Every version of Sludge Monster

6 printings, newest first. Prices are the market figures Scryfall publishes, refreshed nightly — a printing with no figure shows a dash rather than a zero, because Scryfall genuinely publishes none for some of them.

Prices from Scryfall, which tracks the TCGplayer and Cardmarket markets. They move daily and are a guide rather than a quote. Search TCGplayer for Sludge Monster — a name search across every version, for the printings TCGplayer publishes no direct link to.

Aggregated from Commander games tracked in TurnZero HQ. Every figure counts decks and games only — no individual deck list, player or playgroup is identified. Win rates are withheld below 5 completed games, where the sample is too small to mean anything.