App icon for MTG Life Counter: Lotus
MTG Life Counter: Lotus Track life and commander damage for up to 10 players
Launch

Massacre Girl, Known Killer
Price tag $5.38

Legendary Creature — Human Assassin

Magic color symbol for B
Mono-Black

How it feels to play against

Mildly Annoying Some frustrating moments but still fun.

Popularity

Format Staple Extremely popular, see it regularly at tables.

Ranking

#416 Current Rank
#424 Last Week
#281 Last Month

Videos

Commander gameplay videos featuring Massacre Girl, Known Killer.

New Cards

Fresh cards from recent sets that players are experimenting with in Massacre Girl, Known Killer decks.

Scorpion's Sting Scorpion's Sting
+1% Synergy $0.03
Gwenom, Remorseless Gwenom, Remorseless
0% Synergy $9.01
The Soul Stone The Soul Stone
-1% Synergy $62.47
Villainous Wrath Villainous Wrath
-1% Synergy $0.77
Agent Venom Agent Venom
-2% Synergy $0.64

High Synergy Cards

Cards that work exceptionally well with Massacre Girl, Known Killer's abilities and overall game plan.

Nest of Scarabs Nest of Scarabs
+76% Synergy $0.52
Massacre Girl Massacre Girl
+76% Synergy $0.26
Blowfly Infestation Blowfly Infestation
+71% Synergy $3.83
Necroskitter Necroskitter
+70% Synergy $15.20
Massacre Wurm Massacre Wurm
+69% Synergy $1.67
Black Sun's Zenith Black Sun's Zenith
+69% Synergy $0.27
Slaughter Specialist Slaughter Specialist
+67% Synergy $0.71
Drown in Ichor Drown in Ichor
+65% Synergy $0.32
Midnight Banshee Midnight Banshee
+65% Synergy $4.09
Spitting Dilophosaurus Spitting Dilophosaurus
+63% Synergy $15.04

Top Cards

The most popular and reliable cards that form the backbone of successful Massacre Girl, Known Killer decks.

Maha, Its Feathers Night Maha, Its Feathers Night
+63% Synergy $8.60
Tragic Slip Tragic Slip
+59% Synergy $0.12
Black Sun's Twilight Black Sun's Twilight
+56% Synergy $0.27
Sudden Spoiling Sudden Spoiling
+50% Synergy $4.90
Defile Defile
+42% Synergy $0.59
Toxic Deluge Toxic Deluge
+36% Synergy $5.94
Blood Artist Blood Artist
+30% Synergy $2.05
Crypt Ghast Crypt Ghast
+17% Synergy $13.60
Jet Medallion Jet Medallion
+10% Synergy $7.91
Dark Ritual Dark Ritual
-3% Synergy $3.43

Game Changers

Powerful cards that can single-handedly turn the tide of a game when resolved.

Orcish Bowmasters Orcish Bowmasters
+8% Synergy $30.57
Ancient Tomb Ancient Tomb
-5% Synergy $94.95
Vampiric Tutor Vampiric Tutor
-7% Synergy $54.04
Demonic Tutor Demonic Tutor
-8% Synergy $48.71
Necropotence Necropotence
-8% Synergy $17.41
Bolas's Citadel Bolas's Citadel
-16% Synergy $14.25

Creatures

Essential creatures that complement Massacre Girl, Known Killer's strategy through synergy, utility, or raw power.

Clackbridge Troll Clackbridge Troll
+51% Synergy $0.52
Skinrender Skinrender
+48% Synergy $0.16
Persistent Constrictor Persistent Constrictor
+47% Synergy $1.43
Drivnod, Carnage Dominus Drivnod, Carnage Dominus
+44% Synergy $5.36
Yawgmoth, Thran Physician Yawgmoth, Thran Physician
+43% Synergy $16.10
Hunted Bonebrute Hunted Bonebrute
+43% Synergy $0.15
Ascendant Evincar Ascendant Evincar
+36% Synergy $2.98
Yahenni, Undying Partisan Yahenni, Undying Partisan
+34% Synergy $1.87
Kaervek, the Spiteful Kaervek, the Spiteful
+34% Synergy $0.23
Dread Presence Dread Presence
+33% Synergy $2.31
Morbid Opportunist Morbid Opportunist
+31% Synergy $0.16
Vein Ripper Vein Ripper
+31% Synergy $7.92
Soul Snuffers Soul Snuffers
+28% Synergy $1.45
Corrosive Mentor Corrosive Mentor
+27% Synergy $3.01
Akroan Horse Akroan Horse
+24% Synergy $0.41
Grim Hireling Grim Hireling
+23% Synergy $13.86
Syr Konrad, the Grim Syr Konrad, the Grim
+21% Synergy $0.40
Banewhip Punisher Banewhip Punisher
+21% Synergy $0.18
Drana, Liberator of Malakir Drana, Liberator of Malakir
+19% Synergy $0.43
Carnifex Demon Carnifex Demon
+17% Synergy $0.72
Festering Mummy Festering Mummy
+16% Synergy $0.10
Harvester of Misery Harvester of Misery
+14% Synergy $2.64
Vilis, Broker of Blood Vilis, Broker of Blood
+13% Synergy $8.99
Plague Engineer Plague Engineer
+13% Synergy $0.32
Guul Draz Assassin Guul Draz Assassin
+13% Synergy $1.75
Harvester of Souls Harvester of Souls
+12% Synergy $0.85
Zenos yae Galvus Shinryu, Transcendent Rival Zenos yae Galvus
+12% Synergy $0.39
Fume Spitter Fume Spitter
+12% Synergy $0.15
Skithiryx, the Blight Dragon Skithiryx, the Blight Dragon
+11% Synergy $10.59
Demon of Dark Schemes Demon of Dark Schemes
+11% Synergy $1.40
Gisa, Glorious Resurrector Gisa, Glorious Resurrector
+10% Synergy $1.96
Lockjaw Snapper Lockjaw Snapper
+10% Synergy $0.41
Phyrexian Obliterator Phyrexian Obliterator
+9% Synergy $6.58
Blightbelly Rat Blightbelly Rat
+8% Synergy $0.12
Drana, Kalastria Bloodchief Drana, Kalastria Bloodchief
+8% Synergy $0.41
Gray Merchant of Asphodel Gray Merchant of Asphodel
+7% Synergy $1.02
Mari, the Killing Quill Mari, the Killing Quill
+7% Synergy $3.39
Harbinger of Night Harbinger of Night
+7% Synergy $2.94
K'rrik, Son of Yawgmoth K'rrik, Son of Yawgmoth
+6% Synergy $0.73
Sheoldred, the Apocalypse Sheoldred, the Apocalypse
+5% Synergy $68.66
Kaervek, the Punisher Kaervek, the Punisher
+5% Synergy $0.14
Solemn Simulacrum Solemn Simulacrum
+4% Synergy $0.26
Nirkana Revenant Nirkana Revenant
+4% Synergy $5.53
Sangromancer Sangromancer
+3% Synergy $0.72
Mikaeus, the Unhallowed Mikaeus, the Unhallowed
+3% Synergy $10.47
Bloodletter of Aclazotz Bloodletter of Aclazotz
0% Synergy $25.36
Zulaport Cutthroat Zulaport Cutthroat
-6% Synergy $2.55
Dauthi Voidwalker Dauthi Voidwalker
-7% Synergy $5.78
Pitiless Plunderer Pitiless Plunderer
-10% Synergy $1.55
Ayara, First of Locthwain Ayara, First of Locthwain
-11% Synergy $5.39

Instants

Key instant-speed responses for protection, removal, and keeping Massacre Girl, Known Killer safe.

Slice from the Shadows Slice from the Shadows
+56% Synergy $0.04
Dismember Dismember
+42% Synergy $5.85
Whisper of the Dross Whisper of the Dross
+41% Synergy $0.12
Bloodline Culling Bloodline Culling
+39% Synergy $0.16
Grim Affliction Grim Affliction
+38% Synergy $0.20
Join the Dead Join the Dead
+34% Synergy $0.06
Overkill Overkill
+27% Synergy $0.17
Grasp of Darkness Grasp of Darkness
+22% Synergy $0.09
Erebos's Intervention Erebos's Intervention
+13% Synergy $0.36
Wither and Bloom Wither and Bloom
+10% Synergy $0.03
Thrilling Encore Thrilling Encore
+9% Synergy $0.78
Stab Stab
+9% Synergy $0.06
Not Dead After All Not Dead After All
+8% Synergy $1.26
Spoils of Blood Spoils of Blood
+7% Synergy $1.05
Bile Blight Bile Blight
+6% Synergy $0.11
Splendid Agony Splendid Agony
+5% Synergy $0.04
Rise of the Dread Marn Rise of the Dread Marn
+4% Synergy $0.50
Make Obsolete Make Obsolete
+4% Synergy $0.10
Ulcerate Ulcerate
+4% Synergy $0.12
Darkness Darkness
+2% Synergy $22.62
Imp's Mischief Imp's Mischief
+1% Synergy $3.76
Malakir Rebirth Malakir Mire Malakir Rebirth
+1% Synergy $8.78
Feign Death Feign Death
+1% Synergy $0.86
Undying Malice Undying Malice
-1% Synergy $0.49
Withering Torment Withering Torment
-3% Synergy $2.52
Archenemy's Charm Archenemy's Charm
-3% Synergy $1.17
Murder Murder
-4% Synergy $0.03
Fell the Profane Fell Mire Fell the Profane
-5% Synergy $4.36
Deadly Rollick Deadly Rollick
-7% Synergy $19.11
Consuming Corruption Consuming Corruption
-10% Synergy $0.17
Cabal Ritual Cabal Ritual
-11% Synergy $13.78
Deadly Dispute Deadly Dispute
-14% Synergy $0.37
Village Rites Village Rites
-17% Synergy $0.31
Go for the Throat Go for the Throat
-17% Synergy $0.74
Infernal Grasp Infernal Grasp
-20% Synergy $0.26

Sorceries

Important sorcery spells that advance Massacre Girl, Known Killer's game plan and control the board.

Mutilate Mutilate
+39% Synergy $1.70
Yahenni's Expertise Yahenni's Expertise
+38% Synergy $0.35
Incremental Blight Incremental Blight
+28% Synergy $0.58
Nuclear Fallout Nuclear Fallout
+22% Synergy $0.46
Massacre Massacre
+22% Synergy $0.67
Rise of the Dark Realms Rise of the Dark Realms
+14% Synergy $3.45
Languish Languish
+13% Synergy $0.21
Golden Demise Golden Demise
+12% Synergy $0.21
Terror Tide Terror Tide
+9% Synergy $0.20
Profane Command Profane Command
+8% Synergy $0.25
Vat Emergence Vat Emergence
+8% Synergy $0.14
Gruesome Realization Gruesome Realization
+8% Synergy $0.09
Tragic Trajectory Tragic Trajectory
+8% Synergy $0.22
Phyresis Outbreak Phyresis Outbreak
+6% Synergy $7.28
Blight Grenade Blight Grenade
+6% Synergy $0.29
Crippling Fear Crippling Fear
+5% Synergy $2.16
Liliana's Influence Liliana's Influence
+5% Synergy $0.36
Gaze of Pain Gaze of Pain
+5% Synergy $0.16
Bubbling Muck Bubbling Muck
+4% Synergy $4.61
Infectious Inquiry Infectious Inquiry
+3% Synergy $0.17
Decree of Pain Decree of Pain
+2% Synergy $0.59
Night's Whisper Night's Whisper
0% Synergy $0.42
Reanimate Reanimate
-1% Synergy $5.15
Exsanguinate Exsanguinate
-1% Synergy $0.32
Insatiable Avarice Insatiable Avarice
-1% Synergy $2.19
Feed the Swarm Feed the Swarm
-2% Synergy $0.22
Sign in Blood Sign in Blood
-2% Synergy $0.43
Agadeem's Awakening Agadeem, the Undercrypt Agadeem's Awakening
-2% Synergy $24.15
Read the Bones Read the Bones
-6% Synergy $0.21
Torment of Hailfire Torment of Hailfire
-6% Synergy $24.46
Diabolic Tutor Diabolic Tutor
-8% Synergy $1.77
Diabolic Intent Diabolic Intent
-9% Synergy $11.31
Victimize Victimize
-11% Synergy $0.49

Utility Artifacts

Versatile artifacts that provide ongoing value, card selection, or strategic advantages.

Contagion Clasp Contagion Clasp
+48% Synergy $0.34
Contagion Engine Contagion Engine
+41% Synergy $5.86
Tarrian's Soulcleaver Tarrian's Soulcleaver
+38% Synergy $1.89
Genesis Chamber Genesis Chamber
+33% Synergy $2.54
Blade of the Bloodchief Blade of the Bloodchief
+15% Synergy $2.55
Lightning Greaves Lightning Greaves
+10% Synergy $4.12
Dowsing Dagger Lost Vale Dowsing Dagger
+10% Synergy $6.50
Swiftfoot Boots Swiftfoot Boots
+7% Synergy $1.14
Sword of Truth and Justice Sword of Truth and Justice
+6% Synergy $29.61
Cauldron of Souls Cauldron of Souls
+5% Synergy $4.90
Umezawa's Jitte Umezawa's Jitte
+5% Synergy $12.33
The Masamune The Masamune
+4% Synergy $1.26
Lashwrithe Lashwrithe
+3% Synergy $0.74
Sword of the Animist Sword of the Animist
+3% Synergy $5.22
Mithril Coat Mithril Coat
0% Synergy $18.76
Bontu's Monument Bontu's Monument
-1% Synergy $5.69
Wayfarer's Bauble Wayfarer's Bauble
-1% Synergy $0.21
Expedition Map Expedition Map
-1% Synergy $1.06
Whip of Erebos Whip of Erebos
-2% Synergy $6.23
The Darkness Crystal The Darkness Crystal
-6% Synergy $4.02
Skullclamp Skullclamp
-11% Synergy $3.92

Enchantments

Powerful enchantments that support Massacre Girl, Known Killer's strategy and create lasting battlefield effects.

Crumbling Ashes Crumbling Ashes
+43% Synergy $4.55
The Meathook Massacre The Meathook Massacre
+35% Synergy $21.80
Virtue of Persistence Virtue of Persistence
+28% Synergy $6.76
Black Market Black Market
+25% Synergy $3.41
Nowhere to Run Nowhere to Run
+25% Synergy $0.49
Night of Souls' Betrayal Night of Souls' Betrayal
+25% Synergy $1.46
Revel in Riches Revel in Riches
+17% Synergy $16.54
Illness in the Ranks Illness in the Ranks
+16% Synergy $0.25
Screams from Within Screams from Within
+14% Synergy $2.26
Meathook Massacre II Meathook Massacre II
+8% Synergy $1.72
Eternal Thirst Eternal Thirst
+8% Synergy $0.14
Infernal Genesis Infernal Genesis
+7% Synergy $3.18
Curse of Death's Hold Curse of Death's Hold
+6% Synergy $0.76
Bad Moon Bad Moon
+5% Synergy $2.11
Grave Betrayal Grave Betrayal
+5% Synergy $2.10
Bloodchief Ascension Bloodchief Ascension
+3% Synergy $20.04
Black Market Connections Black Market Connections
-1% Synergy $11.69
Kaya's Ghostform Kaya's Ghostform
-1% Synergy $0.91
Phyrexian Arena Phyrexian Arena
-2% Synergy $2.32
Bitterblossom Bitterblossom
-3% Synergy $22.45
Phyrexian Reclamation Phyrexian Reclamation
-3% Synergy $3.20
Animate Dead Animate Dead
-6% Synergy $7.45
Bastion of Remembrance Bastion of Remembrance
-8% Synergy $0.26
Exquisite Blood Exquisite Blood
-8% Synergy $17.82
Grave Pact Grave Pact
-13% Synergy $20.68

Planeswalkers

Planeswalkers that work alongside Massacre Girl, Known Killer to provide ongoing value and board presence.

Vraska, Betrayal's Sting Vraska, Betrayal's Sting
+31% Synergy $5.94
Liliana, Death Wielder Liliana, Death Wielder
+11% Synergy $6.26
Liliana of the Dark Realms Liliana of the Dark Realms
+10% Synergy $5.27
Liliana, Dreadhorde General Liliana, Dreadhorde General
-6% Synergy $6.42

Utility Lands

Non-basic lands that offer additional utility beyond just mana production.

Karn's Bastion Karn's Bastion
+50% Synergy $1.55
Reliquary Tower Reliquary Tower
+30% Synergy $1.99
Ifnir Deadlands Ifnir Deadlands
+9% Synergy $0.32
Grasping Dunes Grasping Dunes
+8% Synergy $0.20
Spymaster's Vault Spymaster's Vault
+7% Synergy $1.16
Cabal Coffers Cabal Coffers
+6% Synergy $22.81
Bojuka Bog Bojuka Bog
+6% Synergy $0.93
Nykthos, Shrine to Nyx Nykthos, Shrine to Nyx
+6% Synergy $39.21
War Room War Room
+5% Synergy $3.03
Cabal Pit Cabal Pit
+5% Synergy $1.02
Cabal Stronghold Cabal Stronghold
+3% Synergy $11.96
Witch's Cottage Witch's Cottage
+2% Synergy $1.04
Urborg, Tomb of Yawgmoth Urborg, Tomb of Yawgmoth
+1% Synergy $48.20
Castle Locthwain Castle Locthwain
0% Synergy $3.60
Takenuma, Abandoned Mire Takenuma, Abandoned Mire
0% Synergy $7.03
Thespian's Stage Thespian's Stage
0% Synergy $0.51
Mortuary Mire Mortuary Mire
-1% Synergy $0.27
Shizo, Death's Storehouse Shizo, Death's Storehouse
-2% Synergy $25.21
Barren Moor Barren Moor
-3% Synergy $0.13
Rogue's Passage Rogue's Passage
-5% Synergy $0.31
Phyrexian Tower Phyrexian Tower
-11% Synergy $18.46

Mana Artifacts

Artifacts focused on mana acceleration and color fixing for consistent gameplay.

Thought Vessel Thought Vessel
+28% Synergy $1.04
Throne of Eldraine Throne of Eldraine
+11% Synergy $23.37
Staff of Compleation Staff of Compleation
+9% Synergy $2.73
Caged Sun Caged Sun
+8% Synergy $3.55
Arcane Signet Arcane Signet
+7% Synergy $0.49
Decanter of Endless Water Decanter of Endless Water
+6% Synergy $3.47
Sol Ring Sol Ring
+3% Synergy $1.46
Sceptre of Eternal Glory Sceptre of Eternal Glory
+3% Synergy $16.72
Extraplanar Lens Extraplanar Lens
+3% Synergy $8.70
Nyx Lotus Nyx Lotus
+2% Synergy $5.28
Everflowing Chalice Everflowing Chalice
+1% Synergy $0.25
Charcoal Diamond Charcoal Diamond
-1% Synergy $0.21
Mind Stone Mind Stone
-2% Synergy $0.13
Fellwar Stone Fellwar Stone
-2% Synergy $1.05
Commander's Sphere Commander's Sphere
-3% Synergy $0.17

Lands

The mana base foundation for Massacre Girl, Known Killer decks, ensuring smooth and reliable mana development.

Forbidden Orchard Forbidden Orchard
+36% Synergy $7.10
Urza's Cave Urza's Cave
+3% Synergy $2.02
Snow-Covered Swamp Snow-Covered Swamp
+3% Synergy $0.43
Demolition Field Demolition Field
+2% Synergy $0.52
Malakir Rebirth Malakir Mire Malakir Rebirth
+1% Synergy $8.78
Myriad Landscape Myriad Landscape
0% Synergy $0.16
Agadeem's Awakening Agadeem, the Undercrypt Agadeem's Awakening
-2% Synergy $24.15
Boggart Trawler Boggart Bog Boggart Trawler
-3% Synergy $1.03
Swamp Swamp
-4% Synergy $0.06
Fell the Profane Fell Mire Fell the Profane
-5% Synergy $4.36

Similar Commanders

The following Commanders share a similar playing style, strategy, or theme like Massacre Girl, Known Killer.