Massacre Girl, Known Killer (Commander) - Infect

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
Bile-Vial Boggart
25%inclusion2 decks8 decks
24%synergy
Blight Rot
25%inclusion2 decks8 decks
24%synergy
Oft-Nabbed Goat
13%inclusion1 decks8 decks
11%synergy
Darkness Descends
13%inclusion1 decks8 decks
12%synergy
Super Shredder
4.3%inclusion1 decks23 decks
4%synergy
High Synergy Cards
Drown in Ichor
82%inclusion81 decks99 decks
77%synergy
Necroskitter
74%inclusion73 decks99 decks
70%synergy
Contagion Clasp
69%inclusion68 decks99 decks
66%synergy
Whisper of the Dross
66%inclusion65 decks99 decks
63%synergy
Blowfly Infestation
65%inclusion64 decks99 decks
62%synergy
Nest of Scarabs
66%inclusion65 decks99 decks
62%synergy
Maha, Its Feathers Night
64%inclusion45 decks70 decks
60%synergy
Karn's Bastion
64%inclusion63 decks99 decks
59%synergy
Massacre Girl
67%inclusion66 decks99 decks
59%synergy
Spitting Dilophosaurus
61%inclusion60 decks99 decks
58%synergy
Top Cards
Defile
75%inclusion74 decks99 decks
37%synergy
Massacre Wurm
72%inclusion71 decks99 decks
54%synergy
Tragic Slip
68%inclusion67 decks99 decks
47%synergy
Black Sun's Zenith
64%inclusion63 decks99 decks
58%synergy
Toxic Deluge
63%inclusion62 decks99 decks
25%synergy
Jet Medallion
63%inclusion62 decks99 decks
2%synergy
Vraska, Betrayal's Sting
60%inclusion59 decks99 decks
57%synergy
Phyresis Outbreak
59%inclusion58 decks99 decks
57%synergy
Yawgmoth, Thran Physician
59%inclusion58 decks99 decks
48%synergy
Crypt Ghast
59%inclusion58 decks99 decks
10%synergy
Game Changers
Orcish Bowmasters
24%inclusion24 decks99 decks
11%synergy
Demonic Tutor
23%inclusion23 decks99 decks
-4%synergy
Vampiric Tutor
16%inclusion16 decks99 decks
-5%synergy
Necropotence
11%inclusion11 decks99 decks
-4%synergy
Bolas's Citadel
8.1%inclusion8 decks99 decks
-21%synergy
Ancient Tomb
7.1%inclusion7 decks99 decks
-5%synergy
Creatures
Skithiryx, the Blight Dragon
57%inclusion56 decks99 decks
55%synergy
Blightbelly Rat
56%inclusion55 decks99 decks
52%synergy
Slaughter Specialist
52%inclusion51 decks99 decks
49%synergy
Ichor Rats
48%inclusion48 decks99 decks
45%synergy
Persistent Constrictor
46%inclusion28 decks61 decks
43%synergy
Midnight Banshee
45%inclusion45 decks99 decks
43%synergy
Morbid Opportunist
40%inclusion40 decks99 decks
18%synergy
Gray Merchant of Asphodel
40%inclusion40 decks99 decks
-11%synergy
Blood Artist
39%inclusion39 decks99 decks
8%synergy
Clackbridge Troll
38%inclusion38 decks99 decks
36%synergy
Plague Myr
37%inclusion37 decks99 decks
36%synergy
Phyrexian Crusader
37%inclusion37 decks99 decks
36%synergy
Drivnod, Carnage Dominus
36%inclusion36 decks99 decks
29%synergy
Skinrender
35%inclusion35 decks99 decks
34%synergy
Dread Presence
33%inclusion33 decks99 decks
19%synergy
Plague Stinger
31%inclusion31 decks99 decks
30%synergy
Vilis, Broker of Blood
30%inclusion30 decks99 decks
17%synergy
Hunted Bonebrute
30%inclusion30 decks99 decks
28%synergy
Vein Ripper
28%inclusion28 decks99 decks
23%synergy
Ichorclaw Myr
27%inclusion27 decks99 decks
27%synergy
Core Prowler
26%inclusion26 decks99 decks
26%synergy
Necropede
25%inclusion25 decks99 decks
25%synergy
Yahenni, Undying Partisan
25%inclusion25 decks99 decks
19%synergy
Reaper of Sheoldred
23%inclusion23 decks99 decks
23%synergy
Sheoldred, the Apocalypse
23%inclusion23 decks99 decks
8%synergy
Corrosive Mentor
23%inclusion23 decks99 decks
22%synergy
Septic Rats
23%inclusion23 decks99 decks
21%synergy
Akroan Horse
22%inclusion22 decks99 decks
21%synergy
Kaervek, the Spiteful
22%inclusion22 decks99 decks
20%synergy
Hand of the Praetors
22%inclusion22 decks99 decks
21%synergy
Harvester of Misery
22%inclusion17 decks77 decks
21%synergy
Zenos yae Galvus
22%inclusion8 decks37 decks
18%synergy
Syr Konrad, the Grim
20%inclusion20 decks99 decks
0%synergy
Phyrexian Obliterator
20%inclusion20 decks99 decks
9%synergy
Bilious Skulldweller
20%inclusion20 decks99 decks
19%synergy
K'rrik, Son of Yawgmoth
20%inclusion20 decks99 decks
1%synergy
Ascendant Evincar
19%inclusion19 decks99 decks
17%synergy
Whispering Specter
18%inclusion18 decks99 decks
17%synergy
Pestilent Syphoner
18%inclusion18 decks99 decks
18%synergy
Mikaeus, the Unhallowed
16%inclusion16 decks99 decks
8%synergy
Grim Hireling
16%inclusion16 decks99 decks
12%synergy
Banewhip Punisher
16%inclusion16 decks99 decks
16%synergy
Festering Mummy
15%inclusion15 decks99 decks
14%synergy
Soul Snuffers
15%inclusion15 decks99 decks
14%synergy
Gulping Scraptrap
15%inclusion15 decks99 decks
15%synergy
Flensermite
14%inclusion14 decks99 decks
14%synergy
Harvester of Souls
14%inclusion14 decks99 decks
7%synergy
Solemn Simulacrum
13%inclusion13 decks99 decks
-10%synergy
Myr Convert
13%inclusion13 decks99 decks
12%synergy
Flesh-Eater Imp
13%inclusion13 decks99 decks
12%synergy
Instants
Grim Affliction
57%inclusion56 decks99 decks
54%synergy
Black Sun's Twilight
54%inclusion53 decks99 decks
50%synergy
Dark Ritual
53%inclusion52 decks99 decks
-14%synergy
Dismember
49%inclusion49 decks99 decks
39%synergy
Slice from the Shadows
43%inclusion43 decks99 decks
41%synergy
Sudden Spoiling
43%inclusion43 decks99 decks
34%synergy
Vraska's Fall
39%inclusion39 decks99 decks
36%synergy
Overkill
32%inclusion12 decks37 decks
25%synergy
Join the Dead
24%inclusion24 decks99 decks
23%synergy
Bloodline Culling
22%inclusion22 decks99 decks
21%synergy
Virulent Wound
22%inclusion22 decks99 decks
22%synergy
Tainted Strike
22%inclusion22 decks99 decks
19%synergy
Fell the Profane
19%inclusion13 decks70 decks
0%synergy
Wither and Bloom
19%inclusion13 decks70 decks
18%synergy
Malakir Rebirth
18%inclusion18 decks99 decks
-4%synergy
Not Dead After All
16%inclusion16 decks99 decks
5%synergy
Withering Torment
16%inclusion10 decks62 decks
-15%synergy
Grasp of Darkness
15%inclusion15 decks99 decks
13%synergy
Darkness
14%inclusion14 decks99 decks
4%synergy
Deadly Rollick
13%inclusion13 decks99 decks
-11%synergy
Imp's Mischief
13%inclusion13 decks99 decks
-11%synergy
Thrilling Encore
10%inclusion10 decks99 decks
8%synergy
Murder
10%inclusion10 decks99 decks
0%synergy
Undying Evil
8.1%inclusion8 decks99 decks
5%synergy
Stab
7.3%inclusion4 decks55 decks
6%synergy
Go for the Throat
7.1%inclusion7 decks99 decks
-16%synergy
Anoint with Affliction
7.1%inclusion7 decks99 decks
6%synergy
Cabal Ritual
7.1%inclusion7 decks99 decks
-11%synergy
Erebos's Intervention
7.1%inclusion7 decks99 decks
5%synergy
Feign Death
7.1%inclusion7 decks99 decks
-1%synergy
Village Rites
6.1%inclusion6 decks99 decks
-19%synergy
Deadly Dispute
6.1%inclusion6 decks99 decks
-19%synergy
Last Gasp
6.1%inclusion6 decks99 decks
6%synergy
Archenemy's Charm
5.9%inclusion2 decks34 decks
-3%synergy
Vayne's Treachery
5.4%inclusion2 decks37 decks
4%synergy
Zuko's Exile
5.3%inclusion1 decks19 decks
5%synergy
Supernatural Stamina
5.1%inclusion5 decks99 decks
-2%synergy
Infernal Grasp
5.1%inclusion5 decks99 decks
-20%synergy
Sorceries
Infectious Inquiry
58%inclusion57 decks99 decks
55%synergy
Feed the Swarm
41%inclusion41 decks99 decks
-10%synergy
Mutilate
41%inclusion41 decks99 decks
23%synergy
Reanimate
35%inclusion35 decks99 decks
-4%synergy
Vat Emergence
27%inclusion27 decks99 decks
26%synergy
Yahenni's Expertise
27%inclusion27 decks99 decks
26%synergy
Nuclear Fallout
24%inclusion21 decks89 decks
22%synergy
Bubbling Muck
20%inclusion20 decks99 decks
5%synergy
Sign in Blood
20%inclusion20 decks99 decks
-16%synergy
Spread the Sickness
18%inclusion18 decks99 decks
17%synergy
Rise of the Dark Realms
18%inclusion18 decks99 decks
6%synergy
Incremental Blight
15%inclusion15 decks99 decks
14%synergy
Night's Whisper
11%inclusion11 decks99 decks
-13%synergy
Exsanguinate
11%inclusion11 decks99 decks
-13%synergy
Massacre
11%inclusion11 decks99 decks
10%synergy
Victimize
10%inclusion10 decks99 decks
-16%synergy
Languish
10%inclusion10 decks99 decks
9%synergy
Terror Tide
9.1%inclusion9 decks99 decks
8%synergy
Read the Bones
9.1%inclusion9 decks99 decks
-9%synergy
Gruesome Realization
8.1%inclusion8 decks99 decks
6%synergy
Geth's Summons
8.1%inclusion8 decks99 decks
8%synergy
Crippling Fear
8.1%inclusion8 decks99 decks
5%synergy
Insatiable Avarice
7.8%inclusion6 decks77 decks
-4%synergy
Diabolic Intent
7.1%inclusion7 decks99 decks
-8%synergy
Profane Command
7.1%inclusion7 decks99 decks
5%synergy
Caress of Phyrexia
7.1%inclusion7 decks99 decks
6%synergy
Damnation
7.1%inclusion7 decks99 decks
-14%synergy
Torment of Hailfire
6.1%inclusion6 decks99 decks
-10%synergy
Blasphemous Edict
5.5%inclusion3 decks55 decks
-12%synergy
Agadeem's Awakening
5.1%inclusion5 decks99 decks
-2%synergy
Blight Grenade
5.1%inclusion5 decks99 decks
5%synergy
Utility Artifacts
Contagion Engine
53%inclusion52 decks99 decks
50%synergy
Lightning Greaves
32%inclusion32 decks99 decks
-1%synergy
Tarrian's Soulcleaver
31%inclusion31 decks99 decks
28%synergy
Genesis Chamber
28%inclusion28 decks99 decks
25%synergy
Bontu's Monument
26%inclusion26 decks99 decks
-2%synergy
Grafted Exoskeleton
24%inclusion24 decks99 decks
23%synergy
Swiftfoot Boots
21%inclusion21 decks99 decks
-10%synergy
The Masamune
17%inclusion6 decks36 decks
8%synergy
Sword of Truth and Justice
16%inclusion16 decks99 decks
15%synergy
Dowsing Dagger
14%inclusion14 decks99 decks
13%synergy
Skullclamp
11%inclusion11 decks99 decks
-10%synergy
Expedition Map
11%inclusion11 decks99 decks
-1%synergy
Commander's Plate
11%inclusion11 decks99 decks
5%synergy
Wayfarer's Bauble
10%inclusion10 decks99 decks
-6%synergy
Prosthetic Injector
10%inclusion10 decks99 decks
10%synergy
Lashwrithe
9.1%inclusion9 decks99 decks
5%synergy
Throne of Geth
8.1%inclusion8 decks99 decks
8%synergy
Blade of the Bloodchief
8.1%inclusion8 decks99 decks
6%synergy
Nightmare Lash
7.1%inclusion7 decks99 decks
5%synergy
Whispersilk Cloak
7.1%inclusion7 decks99 decks
1%synergy
Umezawa's Jitte
6.1%inclusion6 decks99 decks
6%synergy
Mithril Coat
6.1%inclusion6 decks99 decks
1%synergy
Whip of Erebos
6.1%inclusion6 decks99 decks
-5%synergy
Cauldron of Souls
6.1%inclusion6 decks99 decks
5%synergy
Decimator Web
5.1%inclusion5 decks99 decks
5%synergy
Enchantments
The Meathook Massacre
52%inclusion51 decks99 decks
34%synergy
Crumbling Ashes
39%inclusion39 decks99 decks
38%synergy
Nowhere to Run
36%inclusion25 decks70 decks
32%synergy
Black Market
35%inclusion35 decks99 decks
14%synergy
Phyrexian Arena
28%inclusion28 decks99 decks
-12%synergy
Virtue of Persistence
26%inclusion26 decks99 decks
21%synergy
Necrogen Communion
25%inclusion25 decks99 decks
23%synergy
Phyresis
21%inclusion21 decks99 decks
19%synergy
Black Market Connections
19%inclusion19 decks99 decks
-4%synergy
Revel in Riches
17%inclusion17 decks99 decks
12%synergy
Glistening Oil
16%inclusion16 decks99 decks
15%synergy
Night of Souls' Betrayal
16%inclusion16 decks99 decks
14%synergy
Screams from Within
15%inclusion15 decks99 decks
14%synergy
Bloodchief Ascension
13%inclusion13 decks99 decks
4%synergy
Animate Dead
12%inclusion12 decks99 decks
-6%synergy
Bad Moon
12%inclusion12 decks99 decks
9%synergy
Meathook Massacre II
11%inclusion7 decks62 decks
5%synergy
Illness in the Ranks
11%inclusion11 decks99 decks
10%synergy
Relic Putrescence
10%inclusion10 decks99 decks
10%synergy
Phyrexian Reclamation
8.1%inclusion8 decks99 decks
-2%synergy
Tribute to Horobi
8.1%inclusion8 decks99 decks
7%synergy
Kaya's Ghostform
8.1%inclusion8 decks99 decks
-2%synergy
Infernal Genesis
7.1%inclusion7 decks99 decks
7%synergy
Curse of Death's Hold
6.1%inclusion6 decks99 decks
5%synergy
Sanguine Bond
5.1%inclusion5 decks99 decks
-7%synergy
Grave Betrayal
5.1%inclusion5 decks99 decks
2%synergy
Bastion of Remembrance
5.1%inclusion5 decks99 decks
-11%synergy
Battles
Invasion of Innistrad
6.1%inclusion6 decks99 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
21%inclusion21 decks99 decks
7%synergy
Liliana, Death Wielder
7.1%inclusion7 decks99 decks
6%synergy
Utility Lands
Cabal Coffers
66%inclusion65 decks99 decks
11%synergy
Reliquary Tower
45%inclusion45 decks99 decks
14%synergy
Bojuka Bog
43%inclusion43 decks99 decks
-4%synergy
Cabal Stronghold
42%inclusion42 decks99 decks
7%synergy
Urborg, Tomb of Yawgmoth
40%inclusion40 decks99 decks
3%synergy
Nykthos, Shrine to Nyx
32%inclusion32 decks99 decks
3%synergy
Witch's Cottage
31%inclusion31 decks99 decks
7%synergy
Inkmoth Nexus
29%inclusion29 decks99 decks
28%synergy
Rogue's Passage
19%inclusion19 decks99 decks
0%synergy
Mortuary Mire
14%inclusion14 decks99 decks
1%synergy
War Room
14%inclusion14 decks99 decks
-2%synergy
Takenuma, Abandoned Mire
14%inclusion14 decks99 decks
-2%synergy
Castle Locthwain
14%inclusion14 decks99 decks
-3%synergy
Spymaster's Vault
13%inclusion9 decks70 decks
3%synergy
Phyrexian Tower
12%inclusion12 decks99 decks
-12%synergy
Grasping Dunes
12%inclusion12 decks99 decks
12%synergy
Cabal Pit
10%inclusion10 decks99 decks
9%synergy
Ifnir Deadlands
9.1%inclusion9 decks99 decks
8%synergy
Shizo, Death's Storehouse
7.1%inclusion7 decks99 decks
-3%synergy
Barren Moor
7.1%inclusion7 decks99 decks
-3%synergy
Polluted Mire
7.1%inclusion7 decks99 decks
3%synergy
Urza's Saga
6.1%inclusion6 decks99 decks
-2%synergy
Thespian's Stage
6.1%inclusion6 decks99 decks
0%synergy
Nesting Grounds
6.1%inclusion6 decks99 decks
5%synergy
Realm of Koh
5.6%inclusion1 decks18 decks
2%synergy
Vesuva
5.1%inclusion5 decks99 decks
2%synergy
Volrath's Stronghold
5.1%inclusion5 decks99 decks
1%synergy
The Dross Pits
5.1%inclusion5 decks99 decks
4%synergy
Mana Artifacts
Sol Ring
84%inclusion83 decks99 decks
-2%synergy
Arcane Signet
57%inclusion56 decks99 decks
-6%synergy
Thought Vessel
46%inclusion46 decks99 decks
20%synergy
Glistening Sphere
40%inclusion40 decks99 decks
39%synergy
Staff of Compleation
31%inclusion31 decks99 decks
30%synergy
Mind Stone
25%inclusion25 decks99 decks
-5%synergy
Caged Sun
17%inclusion17 decks99 decks
5%synergy
Throne of Eldraine
17%inclusion17 decks99 decks
7%synergy
Charcoal Diamond
16%inclusion16 decks99 decks
-7%synergy
Sceptre of Eternal Glory
14%inclusion14 decks99 decks
5%synergy
Everflowing Chalice
11%inclusion11 decks99 decks
5%synergy
The Soul Stone
10%inclusion3 decks31 decks
-4%synergy
Decanter of Endless Water
9.1%inclusion9 decks99 decks
6%synergy
Extraplanar Lens
8.1%inclusion8 decks99 decks
3%synergy
Fellwar Stone
7.1%inclusion7 decks99 decks
-8%synergy
Phyrexian Atlas
5.1%inclusion5 decks99 decks
5%synergy
Nyx Lotus
5.1%inclusion5 decks99 decks
-2%synergy
Lands
Swamp
94%inclusion93 decks99 decks
-1%synergy
Forbidden Orchard
27%inclusion27 decks99 decks
25%synergy
Myriad Landscape
19%inclusion19 decks99 decks
-7%synergy
Fell the Profane
19%inclusion13 decks70 decks
0%synergy
Malakir Rebirth
18%inclusion18 decks99 decks
-4%synergy
Command Tower
11%inclusion11 decks99 decks
6%synergy
Mirrex
11%inclusion11 decks99 decks
10%synergy
Urza's Cave
11%inclusion8 decks73 decks
2%synergy
Snow-Covered Swamp
6.1%inclusion6 decks99 decks
-1%synergy
Boggart Trawler
5.7%inclusion4 decks70 decks
-3%synergy
Agadeem's Awakening
5.1%inclusion5 decks99 decks
-2%synergy