Quick Answer

Massacre Girl, Known Killer is a mythic Legendary Creature — Human Assassin from MKM (MKM) costing {2}{B}{B}. Current price: $3.46 USD. Legal in Modern. Legal in Commander. Legal in Standard.

Massacre Girl, Known Killer MTG card

Massacre Girl, Known Killer

Legendary Creature — Human Assassin

Card Text

Menace Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.

Card Stats

4/4 mythic CMC: 4.0 MKM MKM 🎨 Jack Hughes
Menace

What kind of card is this?

Use these role hubs to find similar staples, upgrades, and answers.

Market Prices

TCGPlayer
$3.46
Normal
Buy
TCGPlayer
$3.93
Foil
Buy
Card Kingdom
$5.99
Normal
Buy
Card Kingdom
$6.99
Foil
Buy
Cardmarket
€3.44
Normal
Buy
Cardmarket
€3.80
Foil
Buy
Prices updated: 2025-12-16

Format Legality

Brawl Legal
Commander Legal
Duel Legal
Future Legal
Gladiator Legal
Historic Legal
Legacy Legal
Modern Legal
Oathbreaker Legal
Penny Legal
Pioneer Legal
Standard Legal
Standardbrawl Legal
Timeless Legal
Vintage Legal

Similar Cards

Other Printings (5 total)

Community Stats

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Decks Using This Card
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Comments

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Frequently Asked Questions

What is Massacre Girl, Known Killer? Basics

Massacre Girl, Known Killer is a Legendary Creature — Human Assassin card from the Magic: The Gathering trading card game.

Its ability reads: "Menace Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card."

How much mana does Massacre Girl, Known Killer cost to cast? Basics

Massacre Girl, Known Killer has a mana cost of {2}{B}{B}, which equals 4.0 total mana (converted mana cost/mana value).

It requires B mana to cast.

What does mana cost mean in Magic: The Gathering? Basics

Mana cost is the amount and type of mana required to cast a spell in Magic: The Gathering.

Massacre Girl, Known Killer's mana cost of {2}{B}{B} means you need to pay that much mana from your lands or other sources.

Colored symbols (W=White, U=Blue, B=Black, R=Red, G=Green) must be paid with that specific color, while numbers can be paid with any color.

What is converted mana cost (CMC) or mana value? Basics

Converted mana cost (now officially called "mana value") is the total amount of mana in a card's mana cost, regardless of color.

Massacre Girl, Known Killer has a mana value of 4.0. This is important for effects that care about a spell's total cost, like cascade or cards that say "mana value 3 or less."

What is oracle text? Basics

Oracle text is the official, current rules text for a Magic card as maintained by Wizards of the Coast. It supersedes any printed text on older cards.

Massacre Girl, Known Killer's current oracle text is: "Menace Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card."

What is the current price of Massacre Girl, Known Killer? Pricing

The current market price for Massacre Girl, Known Killer is approximately $3.46 USD on TCGPlayer.

A foil copy costs approximately $3.93 USD.

On Cardmarket (Europe), it's approximately €3.44 EUR.

Where can I buy Massacre Girl, Known Killer? Pricing

You can purchase Massacre Girl, Known Killer from major MTG retailers including:

Prices vary by condition and printing. Check multiple sellers to find the best price.

What is the difference between normal and foil cards? Pricing

Foil cards have a shiny, holographic finish that makes them more collectible. They are functionally identical to normal cards but typically cost more due to their rarity and visual appeal.

Massacre Girl, Known Killer normal: $3.46 | foil: $3.93

Is Massacre Girl, Known Killer legal in Standard? Legality

Massacre Girl, Known Killer is Legal in Standard format.

Standard is a rotating format that only allows cards from the most recent sets.

Is Massacre Girl, Known Killer legal in Modern? Legality

Massacre Girl, Known Killer is Legal in Modern format.

Modern includes all cards printed in a standard-legal set from 8th Edition forward.

Is Massacre Girl, Known Killer legal in Commander (EDH)? Legality

Massacre Girl, Known Killer is Legal in Commander (EDH) format.

Commander is a casual multiplayer format where you build a 100-card singleton deck around a legendary creature.

Is Massacre Girl, Known Killer legal in Pioneer? Legality

Massacre Girl, Known Killer is Legal in Pioneer format.

Pioneer is a non-rotating format that includes all standard-legal sets from Return to Ravnica forward.

Is Massacre Girl, Known Killer legal in Legacy? Legality

Massacre Girl, Known Killer is Legal in Legacy format.

Legacy allows almost all cards ever printed, with a substantial ban list for balance.

Is Massacre Girl, Known Killer legal in Vintage? Legality

Massacre Girl, Known Killer is Legal in Vintage format.

Vintage is the most permissive format, allowing almost all cards with only a minimal ban list. Some powerful cards are "Restricted" (limited to 1 copy).

Is Massacre Girl, Known Killer legal in Pauper? Legality

Format legality information for Massacre Girl, Known Killer in Pauper is not available.

Pauper only allows cards that have been printed at common rarity in a paper or online set.

What is format legality in MTG? Legality

Format legality indicates which official MTG formats allow a card to be played:

  • Legal: Card is allowed in the format
  • Banned: Card is prohibited from play
  • Restricted: Limited to 1 copy (Vintage only)
  • Not Legal: Card was never part of that format's card pool

Different formats have different banned lists based on power level and game balance.

What set is Massacre Girl, Known Killer from? Details

This printing of Massacre Girl, Known Killer is from MKM (MKM), with collector number 344.

Massacre Girl, Known Killer may also appear in other MTG sets with different art or special treatments.

What is Massacre Girl, Known Killer's rarity? Details

Massacre Girl, Known Killer is a mythic card in MKM.

Card rarity affects both availability and price. From rarest to most common: Mythic Rare → Rare → Uncommon → Common.

Who illustrated Massacre Girl, Known Killer? Details

Massacre Girl, Known Killer was illustrated by Jack Hughes.

Magic: The Gathering features artwork from hundreds of talented artists, and many cards have been reprinted with new art over the years.

What is Massacre Girl, Known Killer's power and toughness? Details

Massacre Girl, Known Killer is a 4/4 creature.

Power (4) determines how much combat damage the creature deals. Toughness (4) determines how much damage it can take before being destroyed.

💬 Card Discussion

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