Massacre Girl, Known Killer (Commander) - Optimized Control

Massacre Girl, Known Killer
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Background image for Fire and Ice: Which Cards Are Hot and Cold for Massacre Girl, Known Killer?
Julia Maddalena
Dec 12, 2025
Julia Maddalena
Fire and Ice: Which Cards Are Hot and Cold for Massacre Girl, Known Killer?
This week on Fire and Ice, we're looking at mono-black -1/-1 counters with Massacre Girl, Known Killer killing creatures with wither.
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Black Sun's Zenith
100%inclusion8 decks8 decks
94%synergy
Yawgmoth, Thran Physician
88%inclusion7 decks8 decks
77%synergy
Dismember
88%inclusion7 decks8 decks
77%synergy
Spitting Dilophosaurus
75%inclusion6 decks8 decks
73%synergy
Slaughter Specialist
75%inclusion6 decks8 decks
72%synergy
Necroskitter
75%inclusion6 decks8 decks
72%synergy
Maha, Its Feathers Night
75%inclusion6 decks8 decks
70%synergy
Massacre Wurm
88%inclusion7 decks8 decks
70%synergy
Massacre Girl
75%inclusion6 decks8 decks
67%synergy
Tragic Slip
88%inclusion7 decks8 decks
67%synergy
Top Cards
Toxic Deluge
100%inclusion8 decks8 decks
63%synergy
Jet Medallion
100%inclusion8 decks8 decks
39%synergy
Defile
88%inclusion7 decks8 decks
50%synergy
Blood Artist
75%inclusion6 decks8 decks
43%synergy
Dark Ritual
75%inclusion6 decks8 decks
8%synergy
Crypt Ghast
75%inclusion6 decks8 decks
27%synergy
Sudden Spoiling
75%inclusion6 decks8 decks
66%synergy
Nest of Scarabs
63%inclusion5 decks8 decks
58%synergy
Blowfly Infestation
63%inclusion5 decks8 decks
60%synergy
Contagion Clasp
63%inclusion5 decks8 decks
60%synergy
Game Changers
Demonic Tutor
75%inclusion6 decks8 decks
47%synergy
Ancient Tomb
63%inclusion5 decks8 decks
51%synergy
Vampiric Tutor
63%inclusion5 decks8 decks
41%synergy
Orcish Bowmasters
50%inclusion4 decks8 decks
36%synergy
Bolas's Citadel
38%inclusion3 decks8 decks
8%synergy
The One Ring
38%inclusion3 decks8 decks
28%synergy
Necropotence
38%inclusion3 decks8 decks
22%synergy
Imperial Seal
25%inclusion2 decks8 decks
18%synergy
Opposition Agent
25%inclusion2 decks8 decks
15%synergy
Mana Vault
13%inclusion1 decks8 decks
6%synergy
Creatures
Drivnod, Carnage Dominus
63%inclusion5 decks8 decks
55%synergy
Kaervek, the Spiteful
63%inclusion5 decks8 decks
60%synergy
Midnight Banshee
63%inclusion5 decks8 decks
60%synergy
Syr Konrad, the Grim
50%inclusion4 decks8 decks
29%synergy
Gray Merchant of Asphodel
50%inclusion4 decks8 decks
-2%synergy
Clackbridge Troll
50%inclusion4 decks8 decks
47%synergy
Harvester of Misery
50%inclusion4 decks8 decks
49%synergy
Hunted Bonebrute
50%inclusion4 decks8 decks
48%synergy
Ascendant Evincar
50%inclusion4 decks8 decks
48%synergy
Sephiroth, Fabled SOLDIER
40%inclusion2 decks5 decks
35%synergy
Dread Presence
38%inclusion3 decks8 decks
23%synergy
Morbid Opportunist
38%inclusion3 decks8 decks
15%synergy
Corrosive Mentor
38%inclusion3 decks8 decks
36%synergy
Vilis, Broker of Blood
38%inclusion3 decks8 decks
24%synergy
Grim Hireling
38%inclusion3 decks8 decks
33%synergy
K'rrik, Son of Yawgmoth
38%inclusion3 decks8 decks
19%synergy
Persistent Constrictor
29%inclusion2 decks7 decks
26%synergy
Sheoldred, the Apocalypse
25%inclusion2 decks8 decks
10%synergy
Ayara, First of Locthwain
25%inclusion2 decks8 decks
-1%synergy
Mari, the Killing Quill
25%inclusion2 decks8 decks
24%synergy
Fume Spitter
25%inclusion2 decks8 decks
23%synergy
Nirkana Revenant
25%inclusion2 decks8 decks
13%synergy
Zulaport Cutthroat
25%inclusion2 decks8 decks
2%synergy
Sheoldred, Whispering One
25%inclusion2 decks8 decks
13%synergy
Festering Mummy
25%inclusion2 decks8 decks
24%synergy
Skinrender
25%inclusion2 decks8 decks
23%synergy
Plague Engineer
25%inclusion2 decks8 decks
24%synergy
Vein Ripper
25%inclusion2 decks8 decks
20%synergy
Yahenni, Undying Partisan
25%inclusion2 decks8 decks
19%synergy
Zenos yae Galvus
20%inclusion1 decks5 decks
16%synergy
Vincent Valentine
20%inclusion1 decks5 decks
14%synergy
High-Society Hunter
14%inclusion1 decks7 decks
12%synergy
Unstoppable Slasher
14%inclusion1 decks7 decks
9%synergy
Gonti, Night Minister
14%inclusion1 decks7 decks
12%synergy
Bloodthirsty Conqueror
14%inclusion1 decks7 decks
5%synergy
Vito's Inquisitor
13%inclusion1 decks8 decks
12%synergy
Festercreep
13%inclusion1 decks8 decks
12%synergy
Vindictive Vampire
13%inclusion1 decks8 decks
10%synergy
Dusk Urchins
13%inclusion1 decks8 decks
12%synergy
Demon of Dark Schemes
13%inclusion1 decks8 decks
11%synergy
Acolyte of Aclazotz
13%inclusion1 decks8 decks
12%synergy
Phyrexian Obliterator
13%inclusion1 decks8 decks
1%synergy
Bloodletter of Aclazotz
13%inclusion1 decks8 decks
2%synergy
Night Clubber
13%inclusion1 decks8 decks
11%synergy
Vampire of the Dire Moon
13%inclusion1 decks8 decks
10%synergy
Queen's Bay Paladin
13%inclusion1 decks8 decks
12%synergy
Vito, Thorn of the Dusk Rose
13%inclusion1 decks8 decks
2%synergy
Preacher of the Schism
13%inclusion1 decks8 decks
11%synergy
Marauding Blight-Priest
13%inclusion1 decks8 decks
6%synergy
Akroan Horse
13%inclusion1 decks8 decks
12%synergy
Instants
Overkill
60%inclusion3 decks5 decks
52%synergy
Bloodline Culling
50%inclusion4 decks8 decks
49%synergy
Whisper of the Dross
50%inclusion4 decks8 decks
47%synergy
Slice from the Shadows
50%inclusion4 decks8 decks
48%synergy
Deadly Rollick
38%inclusion3 decks8 decks
14%synergy
Grim Affliction
38%inclusion3 decks8 decks
35%synergy
Malakir Rebirth
38%inclusion3 decks8 decks
15%synergy
Black Sun's Twilight
38%inclusion3 decks8 decks
33%synergy
Join the Dead
38%inclusion3 decks8 decks
36%synergy
Imp's Mischief
25%inclusion2 decks8 decks
1%synergy
Flare of Malice
25%inclusion2 decks8 decks
12%synergy
Cabal Ritual
25%inclusion2 decks8 decks
7%synergy
Archenemy's Charm
25%inclusion1 decks4 decks
16%synergy
Withering Torment
14%inclusion1 decks7 decks
-17%synergy
Fell the Profane
13%inclusion1 decks8 decks
-6%synergy
Spoils of Blood
13%inclusion1 decks8 decks
12%synergy
Snuff Out
13%inclusion1 decks8 decks
0%synergy
Make Obsolete
13%inclusion1 decks8 decks
11%synergy
Culling the Weak
13%inclusion1 decks8 decks
-3%synergy
Darkblast
13%inclusion1 decks8 decks
12%synergy
Dark Triumph
13%inclusion1 decks8 decks
12%synergy
Murder
13%inclusion1 decks8 decks
2%synergy
Infernal Grasp
13%inclusion1 decks8 decks
-13%synergy
Death Wind
13%inclusion1 decks8 decks
12%synergy
Cast Down
13%inclusion1 decks8 decks
11%synergy
Wither and Bloom
13%inclusion1 decks8 decks
12%synergy
It Doesn't Add Up
13%inclusion1 decks8 decks
12%synergy
Sorceries
Mutilate
63%inclusion5 decks8 decks
44%synergy
Drown in Ichor
63%inclusion5 decks8 decks
58%synergy
Yahenni's Expertise
50%inclusion4 decks8 decks
48%synergy
Reanimate
50%inclusion4 decks8 decks
11%synergy
Incremental Blight
38%inclusion3 decks8 decks
37%synergy
Victimize
38%inclusion3 decks8 decks
12%synergy
Feed the Swarm
38%inclusion3 decks8 decks
-14%synergy
Night's Whisper
38%inclusion3 decks8 decks
13%synergy
Sign in Blood
38%inclusion3 decks8 decks
1%synergy
Diabolic Intent
25%inclusion2 decks8 decks
10%synergy
Exsanguinate
25%inclusion2 decks8 decks
1%synergy
Rise of the Dark Realms
25%inclusion2 decks8 decks
12%synergy
Nuclear Fallout
25%inclusion2 decks8 decks
23%synergy
Blasphemous Edict
14%inclusion1 decks7 decks
-3%synergy
Deadly Cover-Up
13%inclusion1 decks8 decks
12%synergy
Collective Brutality
13%inclusion1 decks8 decks
12%synergy
Bubbling Muck
13%inclusion1 decks8 decks
-3%synergy
Read the Bones
13%inclusion1 decks8 decks
-5%synergy
Scheming Symmetry
13%inclusion1 decks8 decks
8%synergy
Cruelclaw's Heist
13%inclusion1 decks8 decks
10%synergy
Syphon Mind
13%inclusion1 decks8 decks
0%synergy
Insatiable Avarice
13%inclusion1 decks8 decks
0%synergy
Gaze of Pain
13%inclusion1 decks8 decks
12%synergy
Gruesome Realization
13%inclusion1 decks8 decks
10%synergy
Massacre
13%inclusion1 decks8 decks
11%synergy
Grim Tutor
13%inclusion1 decks8 decks
1%synergy
Gruesome Discovery
13%inclusion1 decks8 decks
12%synergy
Utility Artifacts
Lightning Greaves
63%inclusion5 decks8 decks
29%synergy
The Masamune
60%inclusion3 decks5 decks
51%synergy
Genesis Chamber
50%inclusion4 decks8 decks
47%synergy
Tarrian's Soulcleaver
50%inclusion4 decks8 decks
46%synergy
Contagion Engine
50%inclusion4 decks8 decks
48%synergy
Umezawa's Jitte
25%inclusion2 decks8 decks
24%synergy
Cauldron of Souls
25%inclusion2 decks8 decks
23%synergy
Skullclamp
25%inclusion2 decks8 decks
4%synergy
Bontu's Monument
25%inclusion2 decks8 decks
-3%synergy
Swiftfoot Boots
25%inclusion2 decks8 decks
-7%synergy
The Darkness Crystal
20%inclusion1 decks5 decks
0%synergy
Portal to Phyrexia
13%inclusion1 decks8 decks
11%synergy
Mithril Coat
13%inclusion1 decks8 decks
7%synergy
Whip of Erebos
13%inclusion1 decks8 decks
2%synergy
Wishclaw Talisman
13%inclusion1 decks8 decks
6%synergy
Blade of the Bloodchief
13%inclusion1 decks8 decks
10%synergy
Expedition Map
13%inclusion1 decks8 decks
0%synergy
Tome of Legends
13%inclusion1 decks8 decks
12%synergy
Sword of Feast and Famine
13%inclusion1 decks8 decks
11%synergy
Kormus Bell
13%inclusion1 decks8 decks
12%synergy
Dowsing Dagger
13%inclusion1 decks8 decks
11%synergy
Enchantments
The Meathook Massacre
50%inclusion4 decks8 decks
33%synergy
Night of Souls' Betrayal
50%inclusion4 decks8 decks
48%synergy
Crumbling Ashes
38%inclusion3 decks8 decks
36%synergy
Revel in Riches
38%inclusion3 decks8 decks
33%synergy
Black Market Connections
38%inclusion3 decks8 decks
14%synergy
Phyrexian Arena
38%inclusion3 decks8 decks
-3%synergy
Virtue of Persistence
38%inclusion3 decks8 decks
32%synergy
Meathook Massacre II
29%inclusion2 decks7 decks
22%synergy
Black Market
25%inclusion2 decks8 decks
4%synergy
Sanguine Bond
25%inclusion2 decks8 decks
13%synergy
Exquisite Blood
25%inclusion2 decks8 decks
12%synergy
Screams from Within
25%inclusion2 decks8 decks
24%synergy
Animate Dead
25%inclusion2 decks8 decks
7%synergy
Infernal Genesis
25%inclusion2 decks8 decks
25%synergy
Bloodchief Ascension
25%inclusion2 decks8 decks
16%synergy
Bitterblossom
25%inclusion2 decks8 decks
12%synergy
Grievous Wound
14%inclusion1 decks7 decks
12%synergy
Sadistic Obsession
13%inclusion1 decks8 decks
12%synergy
Greed
13%inclusion1 decks8 decks
5%synergy
Court of Locthwain
13%inclusion1 decks8 decks
10%synergy
Glistening Oil
13%inclusion1 decks8 decks
12%synergy
Stab Wound
13%inclusion1 decks8 decks
12%synergy
Virulent Plague
13%inclusion1 decks8 decks
12%synergy
Kaya's Ghostform
13%inclusion1 decks8 decks
2%synergy
Dead Weight
13%inclusion1 decks8 decks
12%synergy
Bastion of Remembrance
13%inclusion1 decks8 decks
-4%synergy
Nowhere to Run
13%inclusion1 decks8 decks
9%synergy
Engineered Plague
13%inclusion1 decks8 decks
12%synergy
Battles
Invasion of Fiora
13%inclusion1 decks8 decks
12%synergy
Planeswalkers
Liliana of the Dark Realms
50%inclusion4 decks8 decks
36%synergy
Vraska, Betrayal's Sting
13%inclusion1 decks8 decks
10%synergy
Utility Lands
Bojuka Bog
75%inclusion6 decks8 decks
28%synergy
Urborg, Tomb of Yawgmoth
75%inclusion6 decks8 decks
37%synergy
Spymaster's Vault
63%inclusion5 decks8 decks
53%synergy
Cabal Coffers
63%inclusion5 decks8 decks
7%synergy
Nykthos, Shrine to Nyx
63%inclusion5 decks8 decks
33%synergy
Karn's Bastion
63%inclusion5 decks8 decks
58%synergy
Reliquary Tower
63%inclusion5 decks8 decks
31%synergy
Cabal Stronghold
50%inclusion4 decks8 decks
15%synergy
Takenuma, Abandoned Mire
38%inclusion3 decks8 decks
22%synergy
Mortuary Mire
25%inclusion2 decks8 decks
12%synergy
Urza's Saga
25%inclusion2 decks8 decks
17%synergy
Inkmoth Nexus
25%inclusion2 decks8 decks
24%synergy
Witch's Cottage
25%inclusion2 decks8 decks
0%synergy
Midgar, City of Mako
20%inclusion1 decks5 decks
8%synergy
Shizo, Death's Storehouse
13%inclusion1 decks8 decks
2%synergy
Phyrexian Tower
13%inclusion1 decks8 decks
-12%synergy
Barren Moor
13%inclusion1 decks8 decks
2%synergy
Vesuva
13%inclusion1 decks8 decks
10%synergy
Grasping Dunes
13%inclusion1 decks8 decks
12%synergy
Crypt of Agadeem
13%inclusion1 decks8 decks
2%synergy
War Room
13%inclusion1 decks8 decks
-4%synergy
The Dross Pits
13%inclusion1 decks8 decks
11%synergy
Cabal Pit
13%inclusion1 decks8 decks
11%synergy
Tomb Fortress
13%inclusion1 decks8 decks
8%synergy
Lake of the Dead
13%inclusion1 decks8 decks
7%synergy
Temple of the False God
13%inclusion1 decks8 decks
5%synergy
Havengul Laboratory
13%inclusion1 decks8 decks
12%synergy
Mana Artifacts
Sol Ring
100%inclusion8 decks8 decks
14%synergy
Arcane Signet
88%inclusion7 decks8 decks
25%synergy
The Soul Stone
50%inclusion2 decks4 decks
37%synergy
Thought Vessel
38%inclusion3 decks8 decks
11%synergy
Caged Sun
25%inclusion2 decks8 decks
13%synergy
Throne of Eldraine
25%inclusion2 decks8 decks
14%synergy
The Aetherspark
14%inclusion1 decks7 decks
14%synergy
Lotus Petal
13%inclusion1 decks8 decks
5%synergy
Decanter of Endless Water
13%inclusion1 decks8 decks
9%synergy
Fellwar Stone
13%inclusion1 decks8 decks
-2%synergy
Coveted Jewel
13%inclusion1 decks8 decks
11%synergy
Mind Stone
13%inclusion1 decks8 decks
-18%synergy
Nyx Lotus
13%inclusion1 decks8 decks
6%synergy
Extraplanar Lens
13%inclusion1 decks8 decks
7%synergy
Chrome Mox
13%inclusion1 decks8 decks
6%synergy
Mox Diamond
13%inclusion1 decks8 decks
9%synergy
Lands
Swamp
88%inclusion7 decks8 decks
-7%synergy
Forbidden Orchard
75%inclusion6 decks8 decks
73%synergy
Urza's Cave
50%inclusion4 decks8 decks
41%synergy
Verdant Catacombs
38%inclusion3 decks8 decks
34%synergy
Malakir Rebirth
38%inclusion3 decks8 decks
15%synergy
Marsh Flats
38%inclusion3 decks8 decks
34%synergy
Polluted Delta
38%inclusion3 decks8 decks
34%synergy
Bloodstained Mire
38%inclusion3 decks8 decks
34%synergy
Snow-Covered Swamp
25%inclusion2 decks8 decks
18%synergy
Prismatic Vista
13%inclusion1 decks8 decks
10%synergy
Fell the Profane
13%inclusion1 decks8 decks
-6%synergy
Fabled Passage
13%inclusion1 decks8 decks
11%synergy
Myriad Landscape
13%inclusion1 decks8 decks
-14%synergy
Gemstone Caverns
13%inclusion1 decks8 decks
8%synergy
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