Mono-Black Nightmares
Top Commanders (3)
Braids, Arisen Nightmare
6 decks
Chainer, Dementia Master
3 decks
Falthis, Shadowcat Familiar
1 decks
High Synergy Cards (10)
Mindleecher
100% of 10 decks
+100% synergy
Chittering Harvester
100% of 10 decks
+100% synergy
Plague Mare
100% of 10 decks
+100% synergy
Cavern Whisperer
100% of 10 decks
+100% synergy
Gibbering Barricade
100% of 10 decks
+100% synergy
Banehound
100% of 10 decks
+99% synergy
Zagoth Mamba
90% of 10 decks
+90% synergy
Insatiable Hemophage
90% of 10 decks
+90% synergy
Grimdancer
90% of 10 decks
+90% synergy
Nightmare
90% of 10 decks
+89% synergy
Top Cards (10)
Dread Presence
100% of 10 decks
+81% synergy
Angel of Suffering
90% of 10 decks
+88% synergy
Doom Whisperer
90% of 10 decks
+87% synergy
Ashiok's Reaper
86% of 7 decks
+85% synergy
Wicked Visitor
83% of 6 decks
+83% synergy
Mesmeric Fiend
80% of 10 decks
+80% synergy
Faceless Butcher
80% of 10 decks
+80% synergy
Void Beckoner
80% of 10 decks
+80% synergy
Falthis, Shadowcat Familiar
80% of 10 decks
+80% synergy
Gloomfang Mauler
71% of 7 decks
+71% synergy
Creatures (41)
Haunt of the Dead Marshes
71% of 7 decks
+69% synergy
Chupacabra Echo
67% of 3 decks
+65% synergy
Stallion of Ashmouth
60% of 10 decks
+60% synergy
Gravegouger
60% of 10 decks
+60% synergy
Laquatus's Champion
60% of 10 decks
+60% synergy
Hunted Nightmare
60% of 10 decks
+60% synergy
Hell Mongrel
60% of 10 decks
+60% synergy
Underworld Charger
50% of 10 decks
+50% synergy
Faceless Devourer
50% of 10 decks
+50% synergy
Hypnox
50% of 10 decks
+50% synergy
Nightmare Shepherd
50% of 10 decks
+48% synergy
Gloom Pangolin
40% of 10 decks
+40% synergy
Slithery Stalker
40% of 10 decks
+40% synergy
Braids, Arisen Nightmare
40% of 10 decks
+21% synergy
Soul Scourge
30% of 10 decks
+30% synergy
Adaptive Automaton
20% of 10 decks
+18% synergy
Gray Merchant of Asphodel
20% of 10 decks
-34% synergy
Misery's Shadow
14% of 7 decks
+13% synergy
Creeping Bloodsucker
14% of 7 decks
+6% synergy
Death's Shadow
10% of 10 decks
+10% synergy
Brass Herald
10% of 10 decks
+10% synergy
Uchuulon
10% of 10 decks
+10% synergy
Shambling Swarm
10% of 10 decks
+10% synergy
Chancellor of the Dross
10% of 10 decks
+10% synergy
Cabal Paladin
10% of 10 decks
+10% synergy
Dread Cacodemon
10% of 10 decks
+9% synergy
Ob Nixilis, the Fallen
10% of 10 decks
+9% synergy
Mire Triton
10% of 10 decks
+9% synergy
Sivriss, Nightmare Speaker
10% of 10 decks
+9% synergy
Metallic Mimic
10% of 10 decks
+9% synergy
Bloodline Pretender
10% of 10 decks
+9% synergy
Avatar of Woe
10% of 10 decks
+8% synergy
Stitcher's Supplier
10% of 10 decks
+7% synergy
Chainer, Dementia Master
10% of 10 decks
+4% synergy
Erebos, God of the Dead
10% of 10 decks
+3% synergy
Ravenous Chupacabra
10% of 10 decks
+3% synergy
Butcher of Malakir
10% of 10 decks
+1% synergy
Phyrexian Obliterator
10% of 10 decks
+0% synergy
Morbid Opportunist
10% of 10 decks
-6% synergy
Plaguecrafter
10% of 10 decks
-11% synergy
Solemn Simulacrum
10% of 10 decks
-17% synergy
Instants (48)
Dark Ritual
60% of 10 decks
-4% synergy
Infernal Grasp
50% of 10 decks
+20% synergy
Defile
50% of 10 decks
+9% synergy
Collective Nightmare
43% of 7 decks
+43% synergy
Murder
40% of 10 decks
+31% synergy
Baleful Mastery
40% of 10 decks
+27% synergy
Nightmare's Thirst
30% of 10 decks
+30% synergy
Cast Down
30% of 10 decks
+27% synergy
Cut Down
30% of 10 decks
+22% synergy
Deadly Rollick
30% of 10 decks
+10% synergy
Fatal Push
20% of 10 decks
+18% synergy
Price of Fame
20% of 10 decks
+18% synergy
Snuff Out
20% of 10 decks
+9% synergy
Malakir Rebirth
20% of 10 decks
-3% synergy
Village Rites
20% of 10 decks
-5% synergy
Taken by Nightmares
14% of 7 decks
+14% synergy
Waste Away
10% of 10 decks
+10% synergy
Cutthroat Maneuver
10% of 10 decks
+10% synergy
Induce Despair
10% of 10 decks
+10% synergy
Killing Glare
10% of 10 decks
+10% synergy
Cruel Feeding
10% of 10 decks
+10% synergy
Necrobite
10% of 10 decks
+10% synergy
Urborg Justice
10% of 10 decks
+10% synergy
Renegade's Getaway
10% of 10 decks
+10% synergy
Death Wind
10% of 10 decks
+10% synergy
Pack's Disdain
10% of 10 decks
+10% synergy
Assassin's Ink
10% of 10 decks
+10% synergy
Insidious Dreams
10% of 10 decks
+9% synergy
Murderous Cut
10% of 10 decks
+9% synergy
Vendetta
10% of 10 decks
+9% synergy
Pharika's Libation
10% of 10 decks
+8% synergy
Grasp of Darkness
10% of 10 decks
+7% synergy
Heartless Act
10% of 10 decks
+7% synergy
Szat's Will
10% of 10 decks
+6% synergy
Slaughter Pact
10% of 10 decks
+5% synergy
Songs of the Damned
10% of 10 decks
+4% synergy
Hagra Mauling
10% of 10 decks
+4% synergy
Feign Death
10% of 10 decks
+3% synergy
Supernatural Stamina
10% of 10 decks
+3% synergy
Undying Malice
10% of 10 decks
+2% synergy
Force of Despair
10% of 10 decks
+0% synergy
Hero's Downfall
10% of 10 decks
-0% synergy
Dismember
10% of 10 decks
-1% synergy
Soul Shatter
10% of 10 decks
-4% synergy
Imp's Mischief
10% of 10 decks
-4% synergy
Cabal Ritual
10% of 10 decks
-8% synergy
Tragic Slip
10% of 10 decks
-10% synergy
Go for the Throat
10% of 10 decks
-14% synergy
Sorceries (44)
Mutilate
50% of 10 decks
+24% synergy
Feed the Swarm
50% of 10 decks
-7% synergy
Nightmare Void
30% of 10 decks
+30% synergy
Waking Nightmare
30% of 10 decks
+30% synergy
Nightmare Incursion
30% of 10 decks
+30% synergy
Nightmare Unmaking
30% of 10 decks
+29% synergy
Crippling Fear
30% of 10 decks
+25% synergy
Invoke Despair
30% of 10 decks
+25% synergy
Bubbling Muck
30% of 10 decks
+14% synergy
Diabolic Tutor
30% of 10 decks
+12% synergy
Corrupt
20% of 10 decks
+17% synergy
Thoughtseize
20% of 10 decks
+15% synergy
Duress
20% of 10 decks
+13% synergy
Damnation
20% of 10 decks
-5% synergy
Demonic Tutor
20% of 10 decks
-13% synergy
Sign in Blood
20% of 10 decks
-22% synergy
Gix's Command
12% of 8 decks
+9% synergy
Cauldron's Gift
10% of 10 decks
+10% synergy
Ruinous Path
10% of 10 decks
+10% synergy
Sadistic Sacrament
10% of 10 decks
+10% synergy
Chainer's Edict
10% of 10 decks
+9% synergy
Increasing Ambition
10% of 10 decks
+9% synergy
Soul Transfer
10% of 10 decks
+9% synergy
Plague Wind
10% of 10 decks
+9% synergy
Blood Tribute
10% of 10 decks
+8% synergy
Languish
10% of 10 decks
+8% synergy
Haunting Voyage
10% of 10 decks
+7% synergy
Hymn to Tourach
10% of 10 decks
+7% synergy
Deadly Tempest
10% of 10 decks
+6% synergy
Army of the Damned
10% of 10 decks
+5% synergy
Innocent Blood
10% of 10 decks
+5% synergy
Mire in Misery
10% of 10 decks
+5% synergy
Dark Petition
10% of 10 decks
+5% synergy
Black Sun's Zenith
10% of 10 decks
+4% synergy
Patriarch's Bidding
10% of 10 decks
+3% synergy
In Garruk's Wake
10% of 10 decks
+3% synergy
Agadeem's Awakening
10% of 10 decks
+2% synergy
Rise of the Dark Realms
10% of 10 decks
+2% synergy
Grim Tutor
10% of 10 decks
-5% synergy
Diabolic Intent
10% of 10 decks
-5% synergy
Torment of Hailfire
10% of 10 decks
-9% synergy
Exsanguinate
10% of 10 decks
-11% synergy
Victimize
10% of 10 decks
-11% synergy
Toxic Deluge
10% of 10 decks
-21% synergy
Utility Artifacts (42)
Mephitic Draught
100% of 2 decks
+98% synergy
Nightmare Lash
40% of 10 decks
+37% synergy
Bontu's Monument
40% of 10 decks
+12% synergy
Vat of Rebirth
29% of 7 decks
+22% synergy
Icon of Ancestry
20% of 10 decks
+18% synergy
Herald's Horn
20% of 10 decks
+14% synergy
Bolas's Citadel
20% of 10 decks
-16% synergy
Jet Medallion
20% of 10 decks
-20% synergy
Instruments of War
14% of 7 decks
+14% synergy
The Golden Throne
12% of 8 decks
+11% synergy
Riptide Replicator
10% of 10 decks
+10% synergy
Volrath's Laboratory
10% of 10 decks
+10% synergy
Delif's Cone
10% of 10 decks
+10% synergy
Belbe's Portal
10% of 10 decks
+10% synergy
Immortal Coil
10% of 10 decks
+10% synergy
Crystal Chimes
10% of 10 decks
+10% synergy
Millstone
10% of 10 decks
+10% synergy
Sands of Delirium
10% of 10 decks
+10% synergy
Malefic Scythe
10% of 10 decks
+10% synergy
Pyre of Heroes
10% of 10 decks
+9% synergy
Doubling Cube
10% of 10 decks
+9% synergy
The Cauldron of Eternity
10% of 10 decks
+9% synergy
Stoneforge Masterwork
10% of 10 decks
+9% synergy
Maskwood Nexus
10% of 10 decks
+9% synergy
Mask of Avacyn
10% of 10 decks
+9% synergy
Urza's Incubator
10% of 10 decks
+9% synergy
Moonsilver Key
10% of 10 decks
+9% synergy
Spellbook
10% of 10 decks
+8% synergy
Nihil Spellbomb
10% of 10 decks
+8% synergy
Blade of the Bloodchief
10% of 10 decks
+8% synergy
Prized Statue
10% of 10 decks
+7% synergy
Pact Weapon
10% of 10 decks
+7% synergy
Door of Destinies
10% of 10 decks
+7% synergy
Ichor Wellspring
10% of 10 decks
+6% synergy
Vanquisher's Banner
10% of 10 decks
+4% synergy
Alhammarret's Archive
10% of 10 decks
+4% synergy
Phyrexian Altar
10% of 10 decks
-2% synergy
Aetherflux Reservoir
10% of 10 decks
-3% synergy
Ashnod's Altar
10% of 10 decks
-9% synergy
Wayfarer's Bauble
10% of 10 decks
-11% synergy
Swiftfoot Boots
10% of 10 decks
-23% synergy
Lightning Greaves
10% of 10 decks
-23% synergy
Enchantments (50)
Chainer's Torment
60% of 10 decks
+60% synergy
Hopeless Nightmare
57% of 7 decks
+49% synergy
The Witch's Vanity
50% of 6 decks
+50% synergy
Cacophony Unleashed
43% of 7 decks
+43% synergy
Elspeth's Nightmare
40% of 10 decks
+40% synergy
The Eldest Reborn
40% of 10 decks
+34% synergy
Black Market
40% of 10 decks
+19% synergy
Cemetery Tampering
30% of 10 decks
+28% synergy
Treacherous Blessing
30% of 10 decks
+28% synergy
Underworld Dreams
30% of 10 decks
+21% synergy
Kaya's Ghostform
30% of 10 decks
+19% synergy
Grave Pact
30% of 10 decks
+16% synergy
Bastion of Remembrance
30% of 10 decks
+15% synergy
Animate Dead
30% of 10 decks
+11% synergy
Braids's Frightful Return
20% of 10 decks
+18% synergy
Phyrexian Scriptures
20% of 10 decks
+18% synergy
Oubliette
20% of 10 decks
+16% synergy
Bad Moon
20% of 10 decks
+15% synergy
Oath of the Grey Host
14% of 7 decks
+14% synergy
One Ring to Rule Them All
14% of 7 decks
+12% synergy
Virtue of Persistence
14% of 7 decks
+4% synergy
The War in Heaven
12% of 8 decks
+9% synergy
Molting Snakeskin
10% of 10 decks
+10% synergy
Grave Peril
10% of 10 decks
+10% synergy
Artificer's Hex
10% of 10 decks
+10% synergy
Sinister Concoction
10% of 10 decks
+10% synergy
Inevitable End
10% of 10 decks
+10% synergy
Curse of Shallow Graves
10% of 10 decks
+10% synergy
Seal of Doom
10% of 10 decks
+10% synergy
Life of Toshiro Umezawa
10% of 10 decks
+10% synergy
Fear
10% of 10 decks
+10% synergy
Tymaret Calls the Dead
10% of 10 decks
+10% synergy
Quest for the Gravelord
10% of 10 decks
+10% synergy
Quag Sickness
10% of 10 decks
+10% synergy
Conspiracy
10% of 10 decks
+10% synergy
Demonic Pact
10% of 10 decks
+9% synergy
Underhanded Designs
10% of 10 decks
+9% synergy
Scion of Halaster
10% of 10 decks
+9% synergy
Price of Knowledge
10% of 10 decks
+9% synergy
Curse of Disturbance
10% of 10 decks
+9% synergy
Omen of the Dead
10% of 10 decks
+9% synergy
Minion's Return
10% of 10 decks
+9% synergy
Demonic Embrace
10% of 10 decks
+9% synergy
Curse of the Restless Dead
10% of 10 decks
+9% synergy
Leyline of the Void
10% of 10 decks
+8% synergy
Tribute to Horobi
10% of 10 decks
+8% synergy
Liliana's Mastery
10% of 10 decks
+7% synergy
Warlock Class
10% of 10 decks
+7% synergy
Revenge of Ravens
10% of 10 decks
+7% synergy
Endless Ranks of the Dead
10% of 10 decks
+6% synergy
Planeswalkers (3)
Ashiok, Wicked Manipulator
43% of 7 decks
+42% synergy
Lolth, Spider Queen
10% of 10 decks
+6% synergy
Liliana, Dreadhorde General
10% of 10 decks
-0% synergy
Utility Lands (20)
Castle Locthwain
40% of 10 decks
+17% synergy
Cabal Stronghold
40% of 10 decks
-2% synergy
Bojuka Bog
40% of 10 decks
-8% synergy
Cabal Coffers
40% of 10 decks
-18% synergy
Urborg, Tomb of Yawgmoth
20% of 10 decks
-21% synergy
Barad-dûr
14% of 7 decks
+7% synergy
Cascading Cataracts
10% of 10 decks
+10% synergy
Bottomless Vault
10% of 10 decks
+10% synergy
Guildless Commons
10% of 10 decks
+9% synergy
Cabal Pit
10% of 10 decks
+9% synergy
Everglades
10% of 10 decks
+8% synergy
Darksteel Citadel
10% of 10 decks
+8% synergy
Leechridden Swamp
10% of 10 decks
+7% synergy
Emergence Zone
10% of 10 decks
+6% synergy
Memorial to Folly
10% of 10 decks
+6% synergy
Shizo, Death's Storehouse
10% of 10 decks
+1% synergy
Urza's Saga
10% of 10 decks
+1% synergy
Crypt of Agadeem
10% of 10 decks
-2% synergy
Mortuary Mire
10% of 10 decks
-4% synergy
Reliquary Tower
10% of 10 decks
-22% synergy
Mana Artifacts (18)
Sol Ring
100% of 10 decks
+13% synergy
Arcane Signet
60% of 10 decks
-2% synergy
Fellwar Stone
40% of 10 decks
+25% synergy
Charcoal Diamond
40% of 10 decks
+13% synergy
Commander's Sphere
30% of 10 decks
+17% synergy
Coldsteel Heart
20% of 10 decks
+18% synergy
Gilded Lotus
20% of 10 decks
+13% synergy
Caged Sun
20% of 10 decks
+3% synergy
Mind Stone
20% of 10 decks
-18% synergy
Pillar of Origins
10% of 10 decks
+10% synergy
Empowered Autogenerator
10% of 10 decks
+10% synergy
Skyclave Relic
10% of 10 decks
+9% synergy
Replicating Ring
10% of 10 decks
+9% synergy
Extraplanar Lens
10% of 10 decks
+5% synergy
Gauntlet of Power
10% of 10 decks
+5% synergy
Crowded Crypt
10% of 10 decks
+5% synergy
Heraldic Banner
10% of 10 decks
+3% synergy
Thought Vessel
10% of 10 decks
-18% synergy
Lands (5)
Exotic Orchard
10% of 10 decks
+9% synergy
Command Tower
10% of 10 decks
+6% synergy
Cavern of Souls
10% of 10 decks
+4% synergy
Path of Ancestry
10% of 10 decks
+4% synergy
Myriad Landscape
10% of 10 decks
-21% synergy