Massacre Girl, Known Killer (Commander) - Expensive Core

Background image for Fire and Ice: Which Cards Are Hot and Cold for Massacre Girl, Known Killer?
Julia Maddalena
Dec 12, 2025
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Oft-Nabbed Goat
17%inclusion1 decks6 decks
16%synergy
Moonshadow
17%inclusion1 decks6 decks
15%synergy
High Synergy Cards
Necroskitter
93%inclusion113 decks121 decks
90%synergy
Spitting Dilophosaurus
91%inclusion110 decks121 decks
89%synergy
Nest of Scarabs
90%inclusion109 decks121 decks
86%synergy
Blowfly Infestation
88%inclusion106 decks121 decks
85%synergy
Massacre Girl
91%inclusion110 decks121 decks
83%synergy
Black Sun's Zenith
88%inclusion107 decks121 decks
83%synergy
Maha, Its Feathers Night
87%inclusion82 decks94 decks
83%synergy
Midnight Banshee
83%inclusion100 decks121 decks
80%synergy
Massacre Wurm
97%inclusion117 decks121 decks
79%synergy
Yawgmoth, Thran Physician
88%inclusion107 decks121 decks
78%synergy
Top Cards
Jet Medallion
90%inclusion109 decks121 decks
29%synergy
Defile
88%inclusion107 decks121 decks
51%synergy
Toxic Deluge
88%inclusion106 decks121 decks
50%synergy
The Meathook Massacre
85%inclusion103 decks121 decks
68%synergy
Crypt Ghast
85%inclusion103 decks121 decks
37%synergy
Tragic Slip
80%inclusion97 decks121 decks
60%synergy
Slaughter Specialist
79%inclusion95 decks121 decks
76%synergy
Drivnod, Carnage Dominus
76%inclusion92 decks121 decks
68%synergy
Sudden Spoiling
73%inclusion88 decks121 decks
63%synergy
Dismember
69%inclusion83 decks121 decks
58%synergy
Game Changers
Orcish Bowmasters
40%inclusion48 decks121 decks
26%synergy
Creatures
Clackbridge Troll
66%inclusion80 decks121 decks
63%synergy
Gray Merchant of Asphodel
64%inclusion77 decks121 decks
12%synergy
Vein Ripper
61%inclusion74 decks121 decks
56%synergy
Persistent Constrictor
58%inclusion49 decks84 decks
56%synergy
Dread Presence
57%inclusion69 decks121 decks
42%synergy
Blood Artist
57%inclusion69 decks121 decks
25%synergy
Morbid Opportunist
52%inclusion63 decks121 decks
29%synergy
Sheoldred, the Apocalypse
52%inclusion63 decks121 decks
37%synergy
Grim Hireling
50%inclusion61 decks121 decks
46%synergy
Hunted Bonebrute
50%inclusion60 decks121 decks
48%synergy
Skinrender
48%inclusion58 decks121 decks
46%synergy
Vilis, Broker of Blood
46%inclusion56 decks121 decks
33%synergy
Syr Konrad, the Grim
43%inclusion52 decks121 decks
22%synergy
Yahenni, Undying Partisan
43%inclusion52 decks121 decks
37%synergy
Ascendant Evincar
36%inclusion44 decks121 decks
34%synergy
Corrosive Mentor
36%inclusion43 decks121 decks
34%synergy
Phyrexian Obliterator
31%inclusion38 decks121 decks
20%synergy
Soul Snuffers
31%inclusion37 decks121 decks
29%synergy
Kaervek, the Spiteful
29%inclusion35 decks121 decks
26%synergy
K'rrik, Son of Yawgmoth
29%inclusion35 decks121 decks
10%synergy
Akroan Horse
28%inclusion34 decks121 decks
27%synergy
Mikaeus, the Unhallowed
23%inclusion28 decks121 decks
15%synergy
Solemn Simulacrum
21%inclusion26 decks121 decks
-2%synergy
Harvester of Misery
21%inclusion23 decks109 decks
20%synergy
Skithiryx, the Blight Dragon
19%inclusion23 decks121 decks
17%synergy
Bloodletter of Aclazotz
18%inclusion22 decks121 decks
7%synergy
Harvester of Souls
18%inclusion22 decks121 decks
11%synergy
Drana, Liberator of Malakir
18%inclusion22 decks121 decks
15%synergy
Zenos yae Galvus
17%inclusion6 decks36 decks
13%synergy
Ayara, First of Locthwain
17%inclusion20 decks121 decks
-9%synergy
Carnifex Demon
17%inclusion20 decks121 decks
16%synergy
Nirkana Revenant
16%inclusion19 decks121 decks
4%synergy
Zulaport Cutthroat
15%inclusion18 decks121 decks
-8%synergy
Gix, Yawgmoth Praetor
15%inclusion18 decks121 decks
10%synergy
Mari, the Killing Quill
14%inclusion17 decks121 decks
13%synergy
Banewhip Punisher
14%inclusion17 decks121 decks
13%synergy
Guul Draz Assassin
14%inclusion17 decks121 decks
13%synergy
Gisa, Glorious Resurrector
14%inclusion17 decks121 decks
9%synergy
Sephiroth, Fabled SOLDIER
14%inclusion5 decks36 decks
9%synergy
Sangromancer
12%inclusion14 decks121 decks
0%synergy
Dauthi Voidwalker
12%inclusion14 decks121 decks
-4%synergy
Harbinger of Night
12%inclusion14 decks121 decks
11%synergy
Rottenmouth Viper
11%inclusion10 decks92 decks
7%synergy
Demon of Dark Schemes
11%inclusion13 decks121 decks
9%synergy
Archfiend of Ifnir
11%inclusion13 decks121 decks
9%synergy
Festering Mummy
11%inclusion13 decks121 decks
10%synergy
Rev, Tithe Extractor
9.5%inclusion7 decks74 decks
8%synergy
Mai, Scornful Striker
9.1%inclusion1 decks11 decks
7%synergy
Pitiless Plunderer
8.3%inclusion10 decks121 decks
-10%synergy
Sheoldred
8.3%inclusion10 decks121 decks
2%synergy
Instants
Black Sun's Twilight
62%inclusion75 decks121 decks
58%synergy
Dark Ritual
58%inclusion70 decks121 decks
-9%synergy
Slice from the Shadows
54%inclusion65 decks121 decks
51%synergy
Malakir Rebirth
47%inclusion57 decks121 decks
24%synergy
Withering Torment
39%inclusion33 decks84 decks
8%synergy
Overkill
35%inclusion12 decks34 decks
28%synergy
Imp's Mischief
34%inclusion41 decks121 decks
10%synergy
Bloodline Culling
33%inclusion40 decks121 decks
32%synergy
Deadly Rollick
31%inclusion37 decks121 decks
7%synergy
Whisper of the Dross
28%inclusion34 decks121 decks
25%synergy
Grim Affliction
24%inclusion29 decks121 decks
22%synergy
Join the Dead
21%inclusion26 decks121 decks
20%synergy
Fell the Profane
17%inclusion17 decks100 decks
-2%synergy
Darkness
17%inclusion20 decks121 decks
7%synergy
Not Dead After All
15%inclusion18 decks121 decks
4%synergy
Grasp of Darkness
12%inclusion15 decks121 decks
10%synergy
Erebos's Intervention
12%inclusion15 decks121 decks
10%synergy
Thrilling Encore
12%inclusion14 decks121 decks
10%synergy
Stab
7.0%inclusion5 decks71 decks
6%synergy
Consuming Corruption
7.0%inclusion7 decks100 decks
-9%synergy
Make Obsolete
6.6%inclusion8 decks121 decks
5%synergy
Withering Boon
6.6%inclusion8 decks121 decks
2%synergy
Wither and Bloom
6.1%inclusion6 decks98 decks
6%synergy
Vraska's Fall
5.8%inclusion7 decks121 decks
2%synergy
Undying Malice
5.8%inclusion7 decks121 decks
-4%synergy
Feign Death
5.8%inclusion7 decks121 decks
-2%synergy
Sorceries
Drown in Ichor
68%inclusion82 decks121 decks
63%synergy
Mutilate
60%inclusion73 decks121 decks
42%synergy
Reanimate
59%inclusion71 decks121 decks
19%synergy
Feed the Swarm
50%inclusion61 decks121 decks
-1%synergy
Yahenni's Expertise
41%inclusion50 decks121 decks
40%synergy
Rise of the Dark Realms
39%inclusion47 decks121 decks
26%synergy
Nuclear Fallout
30%inclusion35 decks118 decks
28%synergy
Bubbling Muck
25%inclusion30 decks121 decks
9%synergy
Sign in Blood
22%inclusion27 decks121 decks
-14%synergy
Exsanguinate
21%inclusion26 decks121 decks
-3%synergy
Massacre
21%inclusion25 decks121 decks
20%synergy
Incremental Blight
20%inclusion24 decks121 decks
19%synergy
Night's Whisper
19%inclusion23 decks121 decks
-5%synergy
Torment of Hailfire
16%inclusion19 decks121 decks
0%synergy
Languish
15%inclusion18 decks121 decks
13%synergy
Victimize
13%inclusion16 decks121 decks
-13%synergy
Golden Demise
12%inclusion14 decks121 decks
11%synergy
Insatiable Avarice
11%inclusion12 decks109 decks
-1%synergy
Phyresis Outbreak
11%inclusion13 decks121 decks
9%synergy
Agadeem's Awakening
11%inclusion13 decks121 decks
4%synergy
Decree of Pain
10%inclusion12 decks121 decks
4%synergy
Breach the Multiverse
9.1%inclusion11 decks121 decks
3%synergy
Ruinous Waterbending
9.1%inclusion1 decks11 decks
9%synergy
Terror Tide
8.3%inclusion10 decks121 decks
7%synergy
Infectious Inquiry
8.3%inclusion10 decks121 decks
5%synergy
Tragic Trajectory
8.0%inclusion2 decks25 decks
7%synergy
Blasphemous Edict
6.8%inclusion5 decks74 decks
-10%synergy
Vat Emergence
6.6%inclusion8 decks121 decks
5%synergy
Dead of Winter
6.6%inclusion8 decks121 decks
6%synergy
Profane Command
6.6%inclusion8 decks121 decks
5%synergy
Blight Grenade
6.6%inclusion8 decks121 decks
6%synergy
Utility Artifacts
Contagion Engine
60%inclusion72 decks121 decks
57%synergy
Contagion Clasp
55%inclusion66 decks121 decks
52%synergy
Lightning Greaves
52%inclusion63 decks121 decks
18%synergy
Tarrian's Soulcleaver
50%inclusion61 decks121 decks
47%synergy
Genesis Chamber
46%inclusion56 decks121 decks
43%synergy
Swiftfoot Boots
39%inclusion47 decks121 decks
7%synergy
Bontu's Monument
26%inclusion31 decks121 decks
-2%synergy
Dowsing Dagger
21%inclusion25 decks121 decks
20%synergy
Expedition Map
20%inclusion24 decks121 decks
8%synergy
Sword of Truth and Justice
17%inclusion21 decks121 decks
17%synergy
Mithril Coat
16%inclusion19 decks121 decks
10%synergy
Commander's Plate
16%inclusion19 decks121 decks
10%synergy
The Darkness Crystal
14%inclusion5 decks36 decks
-6%synergy
Cauldron of Souls
12%inclusion15 decks121 decks
11%synergy
Blade of the Bloodchief
12%inclusion15 decks121 decks
10%synergy
Wayfarer's Bauble
11%inclusion13 decks121 decks
-5%synergy
Skullclamp
10%inclusion12 decks121 decks
-11%synergy
The Masamune
9.1%inclusion3 decks33 decks
0%synergy
Whip of Erebos
8.3%inclusion10 decks121 decks
-2%synergy
Umezawa's Jitte
7.4%inclusion9 decks121 decks
7%synergy
Sword of the Animist
6.6%inclusion8 decks121 decks
3%synergy
Lashwrithe
5.8%inclusion7 decks121 decks
2%synergy
Enchantments
Virtue of Persistence
65%inclusion79 decks121 decks
60%synergy
Crumbling Ashes
62%inclusion75 decks121 decks
61%synergy
Black Market
55%inclusion66 decks121 decks
33%synergy
Revel in Riches
39%inclusion47 decks121 decks
34%synergy
Black Market Connections
36%inclusion44 decks121 decks
13%synergy
Phyrexian Arena
34%inclusion41 decks121 decks
-6%synergy
Night of Souls' Betrayal
33%inclusion40 decks121 decks
31%synergy
Nowhere to Run
24%inclusion23 decks94 decks
21%synergy
Meathook Massacre II
21%inclusion18 decks84 decks
15%synergy
Screams from Within
19%inclusion23 decks121 decks
18%synergy
Animate Dead
19%inclusion23 decks121 decks
1%synergy
Bloodchief Ascension
19%inclusion23 decks121 decks
10%synergy
Illness in the Ranks
17%inclusion20 decks121 decks
16%synergy
Bitterblossom
15%inclusion18 decks121 decks
2%synergy
Grave Pact
11%inclusion13 decks121 decks
-8%synergy
Kaya's Ghostform
10%inclusion12 decks121 decks
0%synergy
Bad Moon
9.1%inclusion11 decks121 decks
6%synergy
Grave Betrayal
9.1%inclusion11 decks121 decks
6%synergy
Infernal Genesis
8.3%inclusion10 decks121 decks
8%synergy
Glistening Oil
6.6%inclusion8 decks121 decks
6%synergy
Battles
Invasion of Innistrad
5.8%inclusion7 decks121 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
48%inclusion58 decks121 decks
45%synergy
Liliana of the Dark Realms
30%inclusion36 decks121 decks
16%synergy
Liliana, Dreadhorde General
12%inclusion14 decks121 decks
-2%synergy
Liliana, Death Wielder
11%inclusion13 decks121 decks
10%synergy
Utility Lands
Cabal Coffers
98%inclusion118 decks121 decks
43%synergy
Urborg, Tomb of Yawgmoth
87%inclusion105 decks121 decks
49%synergy
Nykthos, Shrine to Nyx
86%inclusion104 decks121 decks
56%synergy
Karn's Bastion
71%inclusion86 decks121 decks
67%synergy
Reliquary Tower
66%inclusion80 decks121 decks
35%synergy
Bojuka Bog
62%inclusion75 decks121 decks
15%synergy
Cabal Stronghold
62%inclusion75 decks121 decks
27%synergy
War Room
38%inclusion46 decks121 decks
22%synergy
Takenuma, Abandoned Mire
38%inclusion46 decks121 decks
22%synergy
Witch's Cottage
33%inclusion40 decks121 decks
8%synergy
Shizo, Death's Storehouse
31%inclusion37 decks121 decks
20%synergy
Phyrexian Tower
30%inclusion36 decks121 decks
5%synergy
Castle Locthwain
29%inclusion35 decks121 decks
11%synergy
Spymaster's Vault
23%inclusion23 decks100 decks
13%synergy
Rogue's Passage
13%inclusion16 decks121 decks
-6%synergy
Thespian's Stage
13%inclusion16 decks121 decks
8%synergy
Cabal Pit
12%inclusion14 decks121 decks
10%synergy
Mortuary Mire
11%inclusion13 decks121 decks
-2%synergy
Grasping Dunes
11%inclusion13 decks121 decks
10%synergy
Midgar, City of Mako
9.1%inclusion3 decks33 decks
-3%synergy
Ifnir Deadlands
9.1%inclusion11 decks121 decks
8%synergy
Command Beacon
8.3%inclusion10 decks121 decks
0%synergy
Susur Secundi, Void Altar
8.0%inclusion2 decks25 decks
0%synergy
Volrath's Stronghold
7.4%inclusion9 decks121 decks
4%synergy
Inkmoth Nexus
6.6%inclusion8 decks121 decks
6%synergy
Mana Artifacts
Sol Ring
88%inclusion107 decks121 decks
2%synergy
Arcane Signet
69%inclusion83 decks121 decks
6%synergy
Thought Vessel
52%inclusion63 decks121 decks
25%synergy
Throne of Eldraine
46%inclusion56 decks121 decks
36%synergy
Caged Sun
32%inclusion39 decks121 decks
20%synergy
Sceptre of Eternal Glory
24%inclusion29 decks121 decks
15%synergy
The Soul Stone
24%inclusion5 decks21 decks
11%synergy
Mind Stone
22%inclusion27 decks121 decks
-8%synergy
Staff of Compleation
16%inclusion19 decks121 decks
14%synergy
Extraplanar Lens
14%inclusion17 decks121 decks
9%synergy
Charcoal Diamond
13%inclusion16 decks121 decks
-10%synergy
Nyx Lotus
12%inclusion14 decks121 decks
5%synergy
Fellwar Stone
10%inclusion12 decks121 decks
-5%synergy
Decanter of Endless Water
9.1%inclusion11 decks121 decks
6%synergy
Everflowing Chalice
5.8%inclusion7 decks121 decks
0%synergy
Lands
Swamp
85%inclusion103 decks121 decks
-10%synergy
Forbidden Orchard
60%inclusion73 decks121 decks
58%synergy
Malakir Rebirth
47%inclusion57 decks121 decks
24%synergy
Myriad Landscape
23%inclusion28 decks121 decks
-3%synergy
Urza's Cave
23%inclusion23 decks101 decks
14%synergy
Fell the Profane
17%inclusion17 decks100 decks
-2%synergy
Snow-Covered Swamp
15%inclusion18 decks121 decks
8%synergy
Agadeem's Awakening
11%inclusion13 decks121 decks
4%synergy
Demolition Field
7.4%inclusion9 decks121 decks
2%synergy
Boggart Trawler
5.0%inclusion5 decks100 decks
-4%synergy