Massacre Girl, Known Killer (Commander) - Expensive Upgraded

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
13%inclusion2 decks16 decks
11%synergy
Bitterbloom Bearer
8.3%inclusion2 decks24 decks
5%synergy
Darkness Descends
6.7%inclusion1 decks15 decks
6%synergy
Twilight Diviner
6.7%inclusion1 decks15 decks
3%synergy
Eventide's Shadow
6.3%inclusion1 decks16 decks
6%synergy
High Synergy Cards
Maha, Its Feathers Night
91%inclusion39 decks43 decks
86%synergy
Necroskitter
88%inclusion38 decks43 decks
85%synergy
Nest of Scarabs
88%inclusion38 decks43 decks
84%synergy
Massacre Girl
84%inclusion36 decks43 decks
76%synergy
Black Sun's Zenith
81%inclusion35 decks43 decks
76%synergy
Spitting Dilophosaurus
77%inclusion33 decks43 decks
75%synergy
Blowfly Infestation
77%inclusion33 decks43 decks
74%synergy
Yawgmoth, Thran Physician
84%inclusion36 decks43 decks
73%synergy
The Meathook Massacre
91%inclusion39 decks43 decks
73%synergy
Massacre Wurm
91%inclusion39 decks43 decks
73%synergy
Top Cards
Toxic Deluge
91%inclusion39 decks43 decks
54%synergy
Sheoldred, the Apocalypse
81%inclusion35 decks43 decks
67%synergy
Crypt Ghast
81%inclusion35 decks43 decks
33%synergy
Tragic Slip
81%inclusion35 decks43 decks
61%synergy
Defile
79%inclusion34 decks43 decks
42%synergy
Dismember
79%inclusion34 decks43 decks
68%synergy
Jet Medallion
79%inclusion34 decks43 decks
18%synergy
Dark Ritual
77%inclusion33 decks43 decks
10%synergy
Reanimate
74%inclusion32 decks43 decks
35%synergy
Slaughter Specialist
72%inclusion31 decks43 decks
69%synergy
Game Changers
Orcish Bowmasters
63%inclusion27 decks43 decks
49%synergy
Demonic Tutor
49%inclusion21 decks43 decks
21%synergy
Ancient Tomb
37%inclusion16 decks43 decks
25%synergy
Vampiric Tutor
35%inclusion15 decks43 decks
14%synergy
The One Ring
16%inclusion7 decks43 decks
7%synergy
Bolas's Citadel
16%inclusion7 decks43 decks
-13%synergy
Necropotence
16%inclusion7 decks43 decks
1%synergy
Mana Vault
12%inclusion5 decks43 decks
5%synergy
Opposition Agent
9.3%inclusion4 decks43 decks
-1%synergy
Chrome Mox
9.3%inclusion4 decks43 decks
3%synergy
Creatures
Gray Merchant of Asphodel
65%inclusion28 decks43 decks
14%synergy
Vein Ripper
65%inclusion28 decks43 decks
60%synergy
Blood Artist
58%inclusion25 decks43 decks
27%synergy
Vilis, Broker of Blood
58%inclusion25 decks43 decks
45%synergy
Drivnod, Carnage Dominus
58%inclusion25 decks43 decks
50%synergy
Clackbridge Troll
58%inclusion25 decks43 decks
55%synergy
Dread Presence
56%inclusion24 decks43 decks
41%synergy
Persistent Constrictor
56%inclusion24 decks43 decks
53%synergy
Hunted Bonebrute
49%inclusion21 decks43 decks
47%synergy
Syr Konrad, the Grim
47%inclusion20 decks43 decks
26%synergy
Morbid Opportunist
47%inclusion20 decks43 decks
24%synergy
Midnight Banshee
47%inclusion20 decks43 decks
44%synergy
K'rrik, Son of Yawgmoth
47%inclusion20 decks43 decks
28%synergy
Skinrender
42%inclusion18 decks43 decks
40%synergy
Ascendant Evincar
37%inclusion16 decks43 decks
35%synergy
Grim Hireling
30%inclusion13 decks43 decks
26%synergy
Vito, Thorn of the Dusk Rose
28%inclusion12 decks43 decks
17%synergy
Sephiroth, Fabled SOLDIER
27%inclusion9 decks33 decks
22%synergy
Kaervek, the Spiteful
26%inclusion11 decks43 decks
23%synergy
Yahenni, Undying Partisan
23%inclusion10 decks43 decks
17%synergy
Akroan Horse
23%inclusion10 decks43 decks
22%synergy
Boggart Trawler
21%inclusion9 decks43 decks
12%synergy
Corrosive Mentor
21%inclusion9 decks43 decks
20%synergy
Zulaport Cutthroat
19%inclusion8 decks43 decks
-4%synergy
Bloodletter of Aclazotz
16%inclusion7 decks43 decks
6%synergy
Soul Snuffers
16%inclusion7 decks43 decks
15%synergy
Mikaeus, the Unhallowed
16%inclusion7 decks43 decks
8%synergy
Ophiomancer
14%inclusion6 decks43 decks
-2%synergy
Dauthi Voidwalker
14%inclusion6 decks43 decks
-2%synergy
Kaervek, the Punisher
14%inclusion6 decks43 decks
11%synergy
Nirkana Revenant
12%inclusion5 decks43 decks
0%synergy
Braids, Arisen Nightmare
12%inclusion5 decks43 decks
-8%synergy
Pitiless Plunderer
12%inclusion5 decks43 decks
-7%synergy
Demon of Dark Schemes
9.3%inclusion4 decks43 decks
8%synergy
Phyrexian Obliterator
9.3%inclusion4 decks43 decks
-2%synergy
Sangromancer
9.3%inclusion4 decks43 decks
-2%synergy
Xiahou Dun, the One-Eyed
9.3%inclusion4 decks43 decks
9%synergy
Archon of Cruelty
9.3%inclusion4 decks43 decks
4%synergy
Kokusho, the Evening Star
9.3%inclusion4 decks43 decks
5%synergy
Bloodthirsty Conqueror
9.3%inclusion4 decks43 decks
0%synergy
Sheoldred
9.3%inclusion4 decks43 decks
3%synergy
Harvester of Misery
9.3%inclusion4 decks43 decks
9%synergy
Koh, the Face Stealer
9.1%inclusion2 decks22 decks
8%synergy
Solemn Simulacrum
7.0%inclusion3 decks43 decks
-16%synergy
Metamorphosis Fanatic
7.0%inclusion3 decks43 decks
6%synergy
Falkenrath Noble
7.0%inclusion3 decks43 decks
1%synergy
Ayara, First of Locthwain
7.0%inclusion3 decks43 decks
-19%synergy
Archfiend of Ifnir
7.0%inclusion3 decks43 decks
5%synergy
Harvester of Souls
7.0%inclusion3 decks43 decks
0%synergy
Mari, the Killing Quill
7.0%inclusion3 decks43 decks
6%synergy
Instants
Sudden Spoiling
65%inclusion28 decks43 decks
56%synergy
Malakir Rebirth
60%inclusion26 decks43 decks
38%synergy
Black Sun's Twilight
56%inclusion24 decks43 decks
52%synergy
Fell the Profane
47%inclusion20 decks43 decks
28%synergy
Overkill
45%inclusion15 decks33 decks
38%synergy
Slice from the Shadows
44%inclusion19 decks43 decks
42%synergy
Deadly Rollick
40%inclusion17 decks43 decks
16%synergy
Withering Torment
35%inclusion15 decks43 decks
3%synergy
Imp's Mischief
33%inclusion14 decks43 decks
8%synergy
Cabal Ritual
26%inclusion11 decks43 decks
8%synergy
Saw in Half
21%inclusion9 decks43 decks
13%synergy
Darkness
19%inclusion8 decks43 decks
9%synergy
Grim Affliction
16%inclusion7 decks43 decks
14%synergy
Bloodline Culling
14%inclusion6 decks43 decks
13%synergy
Whisper of the Dross
14%inclusion6 decks43 decks
11%synergy
Join the Dead
14%inclusion6 decks43 decks
13%synergy
Archenemy's Charm
13%inclusion4 decks30 decks
4%synergy
Grasp of Darkness
9.3%inclusion4 decks43 decks
7%synergy
Force of Despair
7.0%inclusion3 decks43 decks
-1%synergy
Entomb
7.0%inclusion3 decks43 decks
-5%synergy
Culling the Weak
7.0%inclusion3 decks43 decks
-8%synergy
Deadly Dispute
7.0%inclusion3 decks43 decks
-18%synergy
Erebos's Intervention
7.0%inclusion3 decks43 decks
5%synergy
Sorceries
Drown in Ichor
63%inclusion27 decks43 decks
58%synergy
Feed the Swarm
47%inclusion20 decks43 decks
-5%synergy
Bubbling Muck
42%inclusion18 decks43 decks
26%synergy
Mutilate
42%inclusion18 decks43 decks
24%synergy
Agadeem's Awakening
37%inclusion16 decks43 decks
30%synergy
Rise of the Dark Realms
37%inclusion16 decks43 decks
25%synergy
Exsanguinate
35%inclusion15 decks43 decks
10%synergy
Torment of Hailfire
33%inclusion14 decks43 decks
17%synergy
Sign in Blood
33%inclusion14 decks43 decks
-4%synergy
Yahenni's Expertise
30%inclusion13 decks43 decks
29%synergy
Nuclear Fallout
30%inclusion13 decks43 decks
29%synergy
Night's Whisper
23%inclusion10 decks43 decks
-1%synergy
Massacre
23%inclusion10 decks43 decks
22%synergy
Phyresis Outbreak
21%inclusion9 decks43 decks
19%synergy
Insatiable Avarice
19%inclusion8 decks43 decks
7%synergy
Grim Tutor
16%inclusion7 decks43 decks
4%synergy
Victimize
14%inclusion6 decks43 decks
-12%synergy
Languish
14%inclusion6 decks43 decks
12%synergy
Beseech the Mirror
12%inclusion5 decks43 decks
5%synergy
Diabolic Intent
9.3%inclusion4 decks43 decks
-5%synergy
Incremental Blight
9.3%inclusion4 decks43 decks
9%synergy
Yawgmoth's Will
9.3%inclusion4 decks43 decks
6%synergy
Read the Bones
9.3%inclusion4 decks43 decks
-8%synergy
Buried Alive
9.3%inclusion4 decks43 decks
-2%synergy
Living Death
9.3%inclusion4 decks43 decks
-1%synergy
Damnation
9.3%inclusion4 decks43 decks
-11%synergy
Imperial Seal
7.0%inclusion3 decks43 decks
0%synergy
Diabolic Tutor
7.0%inclusion3 decks43 decks
-8%synergy
Persist
7.0%inclusion3 decks43 decks
3%synergy
Profane Command
7.0%inclusion3 decks43 decks
5%synergy
Utility Artifacts
Genesis Chamber
47%inclusion20 decks43 decks
44%synergy
Contagion Clasp
47%inclusion20 decks43 decks
44%synergy
Lightning Greaves
47%inclusion20 decks43 decks
13%synergy
Expedition Map
40%inclusion17 decks43 decks
27%synergy
Contagion Engine
40%inclusion17 decks43 decks
37%synergy
Tarrian's Soulcleaver
37%inclusion16 decks43 decks
34%synergy
Cauldron of Souls
21%inclusion9 decks43 decks
19%synergy
Sword of Feast and Famine
21%inclusion9 decks43 decks
19%synergy
Bontu's Monument
16%inclusion7 decks43 decks
-12%synergy
Skullclamp
14%inclusion6 decks43 decks
-7%synergy
The Masamune
12%inclusion4 decks33 decks
3%synergy
Swiftfoot Boots
12%inclusion5 decks43 decks
-20%synergy
Dowsing Dagger
9.3%inclusion4 decks43 decks
8%synergy
The Darkness Crystal
9.1%inclusion3 decks33 decks
-11%synergy
Commander's Plate
7.0%inclusion3 decks43 decks
1%synergy
Ashnod's Altar
7.0%inclusion3 decks43 decks
-13%synergy
Blade of the Bloodchief
7.0%inclusion3 decks43 decks
5%synergy
Enchantments
Crumbling Ashes
49%inclusion21 decks43 decks
48%synergy
Nowhere to Run
42%inclusion18 decks43 decks
39%synergy
Bitterblossom
42%inclusion18 decks43 decks
29%synergy
Bloodchief Ascension
42%inclusion18 decks43 decks
32%synergy
Night of Souls' Betrayal
40%inclusion17 decks43 decks
37%synergy
Phyrexian Arena
40%inclusion17 decks43 decks
-1%synergy
Black Market Connections
40%inclusion17 decks43 decks
16%synergy
Black Market
33%inclusion14 decks43 decks
12%synergy
Virtue of Persistence
28%inclusion12 decks43 decks
23%synergy
Animate Dead
26%inclusion11 decks43 decks
8%synergy
Revel in Riches
23%inclusion10 decks43 decks
18%synergy
Phyrexian Reclamation
14%inclusion6 decks43 decks
4%synergy
Meathook Massacre II
9.3%inclusion4 decks43 decks
3%synergy
Necromancy
9.3%inclusion4 decks43 decks
3%synergy
Exquisite Blood
9.3%inclusion4 decks43 decks
-4%synergy
Illness in the Ranks
9.3%inclusion4 decks43 decks
9%synergy
Screams from Within
7.0%inclusion3 decks43 decks
6%synergy
Grave Venerations
6.3%inclusion1 decks16 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
53%inclusion23 decks43 decks
51%synergy
Liliana of the Dark Realms
12%inclusion5 decks43 decks
-2%synergy
Utility Lands
Cabal Coffers
93%inclusion40 decks43 decks
38%synergy
Urborg, Tomb of Yawgmoth
88%inclusion38 decks43 decks
51%synergy
Nykthos, Shrine to Nyx
84%inclusion36 decks43 decks
54%synergy
Karn's Bastion
56%inclusion24 decks43 decks
52%synergy
Bojuka Bog
49%inclusion21 decks43 decks
2%synergy
Phyrexian Tower
47%inclusion20 decks43 decks
22%synergy
Reliquary Tower
44%inclusion19 decks43 decks
13%synergy
Cabal Stronghold
42%inclusion18 decks43 decks
7%synergy
Witch's Cottage
40%inclusion17 decks43 decks
15%synergy
Takenuma, Abandoned Mire
40%inclusion17 decks43 decks
24%synergy
War Room
33%inclusion14 decks43 decks
16%synergy
Spymaster's Vault
23%inclusion10 decks43 decks
14%synergy
Volrath's Stronghold
21%inclusion9 decks43 decks
17%synergy
Inkmoth Nexus
19%inclusion8 decks43 decks
18%synergy
Shizo, Death's Storehouse
14%inclusion6 decks43 decks
4%synergy
Urza's Saga
14%inclusion6 decks43 decks
6%synergy
Ifnir Deadlands
14%inclusion6 decks43 decks
13%synergy
Castle Locthwain
14%inclusion6 decks43 decks
-4%synergy
Deserted Temple
12%inclusion5 decks43 decks
7%synergy
Cabal Pit
12%inclusion5 decks43 decks
10%synergy
Rogue's Passage
9.3%inclusion4 decks43 decks
-9%synergy
Command Beacon
9.3%inclusion4 decks43 decks
1%synergy
Midgar, City of Mako
9.1%inclusion3 decks33 decks
-3%synergy
Ghost Quarter
7.0%inclusion3 decks43 decks
4%synergy
Barren Moor
7.0%inclusion3 decks43 decks
-3%synergy
Maze of Ith
7.0%inclusion3 decks43 decks
4%synergy
The Black Gate
7.0%inclusion3 decks43 decks
4%synergy
Lake of the Dead
7.0%inclusion3 decks43 decks
2%synergy
Mana Artifacts
Sol Ring
98%inclusion42 decks43 decks
11%synergy
The Soul Stone
61%inclusion17 decks28 decks
47%synergy
Arcane Signet
60%inclusion26 decks43 decks
-2%synergy
Thought Vessel
51%inclusion22 decks43 decks
24%synergy
Throne of Eldraine
42%inclusion18 decks43 decks
31%synergy
Extraplanar Lens
37%inclusion16 decks43 decks
32%synergy
Caged Sun
26%inclusion11 decks43 decks
14%synergy
Fellwar Stone
19%inclusion8 decks43 decks
4%synergy
Staff of Compleation
14%inclusion6 decks43 decks
12%synergy
Lotus Petal
14%inclusion6 decks43 decks
7%synergy
Mind Stone
12%inclusion5 decks43 decks
-19%synergy
Charcoal Diamond
9.3%inclusion4 decks43 decks
-14%synergy
Sceptre of Eternal Glory
7.0%inclusion3 decks43 decks
-2%synergy
Mox Opal
7.0%inclusion3 decks43 decks
4%synergy
Mox Diamond
7.0%inclusion3 decks43 decks
3%synergy
Lands
Forbidden Orchard
67%inclusion29 decks43 decks
65%synergy
Swamp
65%inclusion28 decks43 decks
-30%synergy
Malakir Rebirth
60%inclusion26 decks43 decks
38%synergy
Fell the Profane
47%inclusion20 decks43 decks
28%synergy
Urza's Cave
42%inclusion18 decks43 decks
33%synergy
Agadeem's Awakening
37%inclusion16 decks43 decks
30%synergy
Snow-Covered Swamp
35%inclusion15 decks43 decks
28%synergy
Boggart Trawler
21%inclusion9 decks43 decks
12%synergy
Marsh Flats
16%inclusion7 decks43 decks
13%synergy
Verdant Catacombs
14%inclusion6 decks43 decks
11%synergy
Polluted Delta
14%inclusion6 decks43 decks
11%synergy
Bloodstained Mire
14%inclusion6 decks43 decks
10%synergy
Prismatic Vista
9.3%inclusion4 decks43 decks
7%synergy
Gemstone Caverns
9.3%inclusion4 decks43 decks
5%synergy
Talon Gates of Madara
7.0%inclusion3 decks43 decks
5%synergy