Mono-Black Horrors
Arvinox, the Mind Flail
18 decks
K'rrik, Son of Yawgmoth
9 decks
Greel, Mind Raker
2 decks
Gollum, Scheming Guide
2 decks
Sauron, the Necromancer
1 decks
Drivnod, Carnage Dominus
1 decks
Horobi, Death's Wail
1 decks
Massacre Girl, Known Killer
1 decks
Sengir, the Dark Baron // Tormod, the Desecrator
1 decks
Tinybones, Trinket Thief
1 decks
Erebos, God of the Dead
1 decks
Tergrid, God of Fright
1 decks
Mikaeus, the Unhallowed
1 decks
Sheoldred, Whispering One
1 decks
High Synergy Cards
Uchuulon
61% of 41 decks
+61% synergy
Brainstealer Dragon
61% of 41 decks
+58% synergy
Defiler of Flesh
63% of 41 decks
+58% synergy
Ravenous Chupacabra
63% of 41 decks
+58% synergy
Elder Brain
59% of 41 decks
+55% synergy
Intellect Devourer
51% of 41 decks
+50% synergy
Ancient Cellarspawn
53% of 19 decks
+50% synergy
Phyrexian Rager
49% of 41 decks
+48% synergy
Sewer Nemesis
46% of 41 decks
+46% synergy
Phyrexian Obliterator
56% of 41 decks
+45% synergy
Top Cards
Dark Ritual
56% of 41 decks
-9% synergy
Defile
44% of 41 decks
+4% synergy
Jet Medallion
44% of 41 decks
-9% synergy
Hell's Caretaker
39% of 41 decks
+38% synergy
Yarok's Fenlurker
37% of 41 decks
+36% synergy
Sign in Blood
37% of 41 decks
-2% synergy
Chupacabra Echo
36% of 33 decks
+36% synergy
Gluttonous Slug
34% of 41 decks
+34% synergy
Guiltfeeder
34% of 41 decks
+34% synergy
Doom Weaver
34% of 41 decks
+34% synergy
Game Changers
Demonic Tutor
12% of 41 decks
-18% synergy
Bolas's Citadel
12% of 41 decks
-19% synergy
Creatures
Slum Reaper
34% of 41 decks
+34% synergy
Nighthowler
34% of 41 decks
+33% synergy
Dusk Mangler
34% of 41 decks
+33% synergy
Thought Gorger
32% of 41 decks
+32% synergy
Dark Hatchling
32% of 41 decks
+32% synergy
K'rrik, Son of Yawgmoth
32% of 41 decks
+15% synergy
Time Reaper
29% of 34 decks
+29% synergy
Abyssal Gatekeeper
29% of 41 decks
+27% synergy
Woe Strider
29% of 41 decks
+25% synergy
Mindslicer
29% of 41 decks
+24% synergy
Abyssal Gorestalker
27% of 33 decks
+27% synergy
Mage Hunter
27% of 41 decks
+27% synergy
Cabal Therapist
27% of 41 decks
+27% synergy
Gurgling Anointer
27% of 41 decks
+26% synergy
Vashta Nerada
26% of 34 decks
+25% synergy
Dreadwurm
24% of 41 decks
+24% synergy
Blistergrub
24% of 41 decks
+24% synergy
Starving Revenant
24% of 33 decks
+23% synergy
Sauron, the Necromancer
23% of 39 decks
+23% synergy
Nihilith
22% of 41 decks
+22% synergy
Mesmeric Fiend
22% of 41 decks
+22% synergy
Gloom Sower
22% of 41 decks
+22% synergy
Concealing Curtains
22% of 41 decks
+22% synergy
Dread Presence
22% of 41 decks
+5% synergy
Appendage Amalgam
21% of 19 decks
+21% synergy
Overlord of the Balemurk
21% of 19 decks
+19% synergy
Valgavoth, Terror Eater
21% of 19 decks
+16% synergy
Carrion Locust
20% of 41 decks
+19% synergy
Delraich
20% of 41 decks
+19% synergy
Faceless Butcher
20% of 41 decks
+19% synergy
Hypnox
20% of 41 decks
+19% synergy
Netherborn Phalanx
20% of 41 decks
+19% synergy
Plague Spitter
20% of 41 decks
+19% synergy
Fume Spitter
20% of 41 decks
+18% synergy
Solemn Simulacrum
20% of 41 decks
-6% synergy
Vebulid
17% of 41 decks
+17% synergy
Scrounger of Souls
17% of 41 decks
+17% synergy
Phantasmagorian
17% of 41 decks
+17% synergy
Ravenous Gigamole
17% of 41 decks
+17% synergy
Void Beckoner
17% of 41 decks
+17% synergy
Arvinox, the Mind Flail
17% of 41 decks
+16% synergy
Dauthi Horror
17% of 41 decks
+16% synergy
Fleshwrither
17% of 41 decks
+15% synergy
Crypt Ghast
17% of 41 decks
-30% synergy
Gray Merchant of Asphodel
17% of 41 decks
-36% synergy
Laquatus's Champion
15% of 41 decks
+15% synergy
Abyssal Horror
15% of 41 decks
+15% synergy
Crypt Lurker
15% of 41 decks
+15% synergy
Phyrexian Revoker
15% of 41 decks
+14% synergy
Voldaren Pariah
15% of 41 decks
+14% synergy
Instants
Consuming Corruption
28% of 25 decks
+10% synergy
Withering Torment
26% of 19 decks
-3% synergy
Soul Shatter
22% of 41 decks
+10% synergy
Spoils of Blood
20% of 41 decks
+19% synergy
Not Dead After All
19% of 36 decks
+10% synergy
Infernal Grasp
17% of 41 decks
-9% synergy
Outrageous Robbery
16% of 31 decks
+14% synergy
Murder
15% of 41 decks
+4% synergy
Breathe Your Last
12% of 24 decks
+10% synergy
Tendrils of Corruption
12% of 41 decks
+7% synergy
Black Sun's Twilight
12% of 41 decks
+7% synergy
Baleful Mastery
12% of 41 decks
+1% synergy
Imp's Mischief
12% of 41 decks
-8% synergy
Go for the Throat
12% of 41 decks
-12% synergy
Fell the Profane
12% of 25 decks
-5% synergy
Grim Return
10% of 41 decks
+8% synergy
Force of Despair
10% of 41 decks
+2% synergy
Darkness
10% of 41 decks
+2% synergy
Cabal Ritual
10% of 41 decks
-8% synergy
Deadly Rollick
10% of 41 decks
-11% synergy
Malakir Rebirth
10% of 41 decks
-11% synergy
Blot Out
8% of 39 decks
+7% synergy
Nightmare's Thirst
7% of 41 decks
+7% synergy
Dash Hopes
7% of 41 decks
+6% synergy
Cling to Dust
7% of 41 decks
+6% synergy
Raise the Draugr
7% of 41 decks
+6% synergy
Terror
7% of 41 decks
+6% synergy
Drag to the Underworld
7% of 41 decks
+5% synergy
Grasp of Darkness
7% of 41 decks
+5% synergy
Erebos's Intervention
7% of 41 decks
+4% synergy
Withering Boon
7% of 41 decks
+3% synergy
Hagra Mauling
7% of 41 decks
+2% synergy
Feign Death
7% of 41 decks
+1% synergy
Sudden Spoiling
7% of 41 decks
-3% synergy
Dismember
7% of 41 decks
-4% synergy
Tragic Slip
7% of 41 decks
-13% synergy
Sorceries
Syphon Mind
27% of 41 decks
+12% synergy
Damnation
27% of 41 decks
+4% synergy
Reanimate
27% of 41 decks
-7% synergy
Feed the Swarm
24% of 41 decks
-29% synergy
Crippling Fear
22% of 41 decks
+18% synergy
Heartless Conscription
20% of 30 decks
+19% synergy
Dread Return
20% of 41 decks
+6% synergy
Read the Bones
20% of 41 decks
-2% synergy
Mutilate
20% of 41 decks
-3% synergy
Exsanguinate
20% of 41 decks
-4% synergy
Cruelclaw's Heist
19% of 21 decks
+16% synergy
Toxic Deluge
17% of 41 decks
-18% synergy
Visions of Dread
15% of 41 decks
+14% synergy
Profane Transfusion
15% of 41 decks
+13% synergy
Ancient Craving
15% of 41 decks
+12% synergy
Breach the Multiverse
15% of 41 decks
+8% synergy
Bubbling Muck
15% of 41 decks
-1% synergy
Diabolic Tutor
15% of 41 decks
-2% synergy
Finale of Eternity
12% of 41 decks
+11% synergy
Haunting Voyage
12% of 41 decks
+10% synergy
Hymn to Tourach
12% of 41 decks
+9% synergy
Invoke Despair
10% of 41 decks
+6% synergy
Beacon of Unrest
10% of 41 decks
+4% synergy
Victimize
10% of 41 decks
-13% synergy
Night's Whisper
10% of 41 decks
-14% synergy
Claim the Precious
8% of 38 decks
+7% synergy
Nightmare Void
7% of 41 decks
+7% synergy
Infernal Offering
7% of 41 decks
+7% synergy
Dredge the Mire
7% of 41 decks
+7% synergy
Blood on the Snow
7% of 41 decks
+6% synergy
Atrocious Experiment
7% of 41 decks
+6% synergy
Necromantic Selection
7% of 41 decks
+5% synergy
Patriarch's Bidding
7% of 41 decks
+2% synergy
Decree of Pain
7% of 41 decks
+1% synergy
Black Sun's Zenith
7% of 41 decks
+1% synergy
Duress
7% of 41 decks
+0% synergy
Living Death
7% of 41 decks
-4% synergy
Peer into the Abyss
7% of 41 decks
-5% synergy
Dark Deal
7% of 41 decks
-6% synergy
Utility Artifacts
Mind Stone
32% of 41 decks
-3% synergy
Herald's Horn
27% of 41 decks
+21% synergy
Commander's Sphere
24% of 41 decks
+13% synergy
Bontu's Monument
24% of 41 decks
-3% synergy
Swiftfoot Boots
24% of 41 decks
-8% synergy
Altar of the Wretched
21% of 33 decks
+21% synergy
Wayfarer's Bauble
17% of 41 decks
-2% synergy
Staff of Eden, Vault's Key
17% of 24 decks
+15% synergy
Whip of Erebos
15% of 41 decks
+3% synergy
Lightning Greaves
15% of 41 decks
-18% synergy
Staff of the Death Magus
12% of 41 decks
+8% synergy
Vanquisher's Banner
12% of 41 decks
+7% synergy
Icon of Ancestry
10% of 41 decks
+8% synergy
Urza's Incubator
10% of 41 decks
+8% synergy
Strionic Resonator
10% of 41 decks
+8% synergy
Crowded Crypt
10% of 41 decks
+5% synergy
Demon's Horn
10% of 41 decks
+5% synergy
Helm of the Host
7% of 41 decks
+6% synergy
Helm of Awakening
7% of 41 decks
+6% synergy
Darksteel Plate
7% of 41 decks
+6% synergy
Prism Ring
7% of 41 decks
+5% synergy
Anvil of Bogardan
7% of 41 decks
+5% synergy
Mask of Griselbrand
7% of 41 decks
+4% synergy
Hedron Archive
7% of 41 decks
+2% synergy
Expedition Map
7% of 41 decks
-7% synergy
Enchantments
Phyrexian Arena
32% of 41 decks
-8% synergy
Meathook Massacre II
26% of 19 decks
+18% synergy
Curse of Leeches
22% of 41 decks
+22% synergy
The Meathook Massacre
22% of 41 decks
+7% synergy
Dead Man's Chest
17% of 41 decks
+16% synergy
Cunning Rhetoric
17% of 41 decks
+15% synergy
Grave Betrayal
17% of 41 decks
+14% synergy
Bad Moon
17% of 41 decks
+13% synergy
Greed
17% of 41 decks
+8% synergy
Sanguine Bond
17% of 41 decks
+4% synergy
Underworld Dreams
15% of 41 decks
+7% synergy
Black Market
15% of 41 decks
-7% synergy
Court of Locthwain
14% of 36 decks
+12% synergy
Font of Agonies
12% of 41 decks
+6% synergy
Painful Quandary
12% of 41 decks
+1% synergy
Hedonist's Trove
10% of 41 decks
+10% synergy
Arguel's Blood Fast
10% of 41 decks
+9% synergy
The Eldest Reborn
10% of 41 decks
+5% synergy
Oversold Cemetery
10% of 41 decks
+4% synergy
No Mercy
10% of 41 decks
+3% synergy
Phyrexian Reclamation
10% of 41 decks
-1% synergy
Exquisite Blood
10% of 41 decks
-4% synergy
Black Market Connections
10% of 41 decks
-10% synergy
Virtue of Persistence
8% of 36 decks
+2% synergy
Curse of Fool's Wisdom
7% of 41 decks
+6% synergy
Creeping Dread
7% of 41 decks
+6% synergy
Revenge of Ravens
7% of 41 decks
+5% synergy
Bloodchief Ascension
7% of 41 decks
-3% synergy
Necropotence
7% of 41 decks
-9% synergy
Animate Dead
7% of 41 decks
-11% synergy
Planeswalkers
Liliana of the Dark Realms
7% of 41 decks
-6% synergy
Utility Lands
Bojuka Bog
61% of 41 decks
+15% synergy
Cabal Coffers
54% of 41 decks
-2% synergy
Cabal Stronghold
44% of 41 decks
+6% synergy
Reliquary Tower
34% of 41 decks
+2% synergy
Temple of the False God
32% of 41 decks
+24% synergy
Hostile Hostel
29% of 41 decks
+29% synergy
Witch's Cottage
29% of 41 decks
+5% synergy
Rogue's Passage
24% of 41 decks
+8% synergy
Nykthos, Shrine to Nyx
24% of 41 decks
-5% synergy
Castle Locthwain
22% of 41 decks
+2% synergy
Urborg, Tomb of Yawgmoth
22% of 41 decks
-16% synergy
Mortuary Mire
20% of 41 decks
+6% synergy
Takenuma, Abandoned Mire
17% of 41 decks
+0% synergy
Barren Moor
10% of 41 decks
-3% synergy
Field of Ruin
7% of 41 decks
+4% synergy
Ghost Quarter
7% of 41 decks
+4% synergy
Vault of Whispers
7% of 41 decks
+1% synergy
Phyrexian Tower
7% of 41 decks
-14% synergy
Mana Artifacts
Sol Ring
78% of 41 decks
-9% synergy
Arcane Signet
56% of 41 decks
-7% synergy
Thought Vessel
39% of 41 decks
+11% synergy
Caged Sun
27% of 41 decks
+11% synergy
Charcoal Diamond
27% of 41 decks
+2% synergy
Thran Dynamo
17% of 41 decks
+10% synergy
Sceptre of Eternal Glory
17% of 41 decks
+6% synergy
Throne of Eldraine
17% of 36 decks
+5% synergy
Gauntlet of Power
15% of 41 decks
+10% synergy
Worn Powerstone
12% of 41 decks
+7% synergy
Gilded Lotus
12% of 41 decks
+5% synergy
Nyx Lotus
12% of 41 decks
+3% synergy
Fellwar Stone
12% of 41 decks
-3% synergy
Heraldic Banner
10% of 41 decks
+4% synergy
Darksteel Ingot
7% of 41 decks
+7% synergy
Coveted Jewel
7% of 41 decks
+6% synergy
Decanter of Endless Water
7% of 41 decks
+3% synergy
Lands
Myriad Landscape
44% of 41 decks
+15% synergy
Path of Ancestry
17% of 41 decks
+11% synergy
Ash Barrens
7% of 41 decks
+6% synergy
Cavern of Souls
7% of 41 decks
+1% synergy