Massacre Girl, Known Killer

Massacre Girl, Known Killer card image

Massacre Girl, Known Killer: Legendary Creature - Human Assassin, Lorwyn Eclipsed Commander. Menace. Creatures you control have wither. On Mana Grove.

Mana cost
{2}{B}{B}
Mana value
4
Type
Legendary Creature - Human Assassin
Colour identity
Black (B)
Power / toughness
4/4
Rarity
Mythic
Set
Lorwyn Eclipsed Commander (ECC)
Released
2026-01-23
Collector number
79
Artist
Billy Christian
Commander rank
1,685 (by how often it appears in Commander decks)
Keywords
Menace
Commander
Can be your commander

Build around this card with Grover

About Massacre Girl, Known Killer

Massacre Girl, Known Killer is a Magic: The Gathering card, a mythic rare black legendary creature from Lorwyn Eclipsed Commander (ECC), a Commander product released in January 2026. It is collector number 79 in that set, with art by Billy Christian. It costs {2}{B}{B} (two generic and two black mana) to cast, for a mana value of 4. It is a 4/4 creature. Its colour identity is black. It is legal in Standard, Pioneer, Modern, Legacy, Vintage, Commander, Duel Commander, Oathbreaker, Brawl, Standard Brawl, Historic, Timeless, Gladiator and Penny Dreadful. It has been printed in 4 sets, from The List (2020) to Lorwyn Eclipsed Commander (2026). It can be your commander. The latest aggregated market price for this printing is $0.86 (normal finish, as of 2026-11-03).

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.

"'Did I do it?' You'll have to be more specific."

Market price

Latest aggregated market price for the normal finish of this printing: $0.86 (as of 2026-11-03).

The figure covers this printing only; other printings carry their own price on their own page.

Format legality

Legality of Massacre Girl, Known Killer by format. Formats in which it is not legal are not listed.

StandardLegal
PioneerLegal
ModernLegal
LegacyLegal
VintageLegal
CommanderLegal
Duel CommanderLegal
OathbreakerLegal
BrawlLegal
Standard BrawlLegal
HistoricLegal
TimelessLegal
GladiatorLegal
Penny DreadfulLegal

Other printings of Massacre Girl, Known Killer

Massacre Girl, Known Killer has been printed in 4 sets. The other printings are listed newest first, with the rarity and release year of each.

PrintingRarityYear
The List (PLST) #MKM-94Mythic2026
Murders at Karlov Manor (MKM) #344Mythic2024
Murders at Karlov Manor (MKM) #380Mythic2024
Murders at Karlov Manor (MKM) #94Mythic2024
Murders at Karlov Manor Promos (PMKM) #94pMythic2024
Murders at Karlov Manor Promos (PMKM) #94sMythic2024

Official rulings

Two official rulings apply to Massacre Girl, Known Killer, newest first.

  • Use the toughness of the creature as it last existed on the battlefield to determine whether or not Massacre Girl's ability triggers.
  • Wither applies to any damage dealt to creatures by creatures you control. This includes combat damage as well as anything that causes creatures you control to deal noncombat damage, such as Incinerator of the Guilty's reflexive triggered ability or the effect of Hard-Hitting Question.

Similar cards

Other creature cards with a black colour identity, ranked by how often they appear in Commander decks.

In these precons

Massacre Girl, Known Killer is in the decklist of these preconstructed Commander decks.

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