Mono-Black X Spells
Maga, Traitor to Mortals
13 decks
Sheoldred, the Apocalypse
10 decks
Erebos, God of the Dead
4 decks
K'rrik, Son of Yawgmoth
4 decks
Drana, Kalastria Bloodchief
4 decks
Tergrid, God of Fright
4 decks
Varragoth, Bloodsky Sire
4 decks
Skithiryx, the Blight Dragon
4 decks
Toshiro Umezawa
3 decks
Gix, Yawgmoth Praetor
3 decks
Vito, Thorn of the Dusk Rose
3 decks
Witch-king of Angmar
2 decks
Korlash, Heir to Blackblade
2 decks
Massacre Girl, Known Killer
2 decks
Phage the Untouchable
2 decks
Illuminor Szeras
2 decks
Maralen of the Mornsong
2 decks
Ashnod, Flesh Mechanist
2 decks
Lobelia Sackville-Baggins
2 decks
Vilis, Broker of Blood
2 decks
Gollum, Obsessed Stalker
1 decks
Gonti, Lord of Luxury
1 decks
Acererak the Archlich
1 decks
Trazyn the Infinite
1 decks
New Cards
Bloodthirsty Conqueror
86% of 7 decks
+66% synergy
Withering Torment
67% of 21 decks
+11% synergy
Unstoppable Slasher
43% of 23 decks
+31% synergy
Grievous Wound
32% of 25 decks
+27% synergy
Enduring Tenacity
31% of 35 decks
+22% synergy
High Synergy Cards
Exsanguinate
78% of 95 decks
+56% synergy
Torment of Hailfire
65% of 95 decks
+47% synergy
Nirkana Revenant
45% of 95 decks
+32% synergy
Bubbling Muck
47% of 95 decks
+32% synergy
Magus of the Coffers
40% of 95 decks
+31% synergy
Black Sun's Zenith
36% of 95 decks
+29% synergy
Damnable Pact
33% of 95 decks
+27% synergy
Bloodletter of Aclazotz
43% of 56 decks
+27% synergy
Liliana of the Dark Realms
36% of 95 decks
+23% synergy
Insatiable Avarice
43% of 46 decks
+23% synergy
Top Cards
Dark Ritual
72% of 95 decks
+6% synergy
Crypt Ghast
68% of 95 decks
+23% synergy
Jet Medallion
62% of 95 decks
+13% synergy
Feed the Swarm
55% of 93 decks
-0% synergy
Gray Merchant of Asphodel
49% of 95 decks
-4% synergy
Phyrexian Arena
46% of 95 decks
+8% synergy
Toxic Deluge
44% of 95 decks
+10% synergy
Throne of Eldraine
43% of 65 decks
+26% synergy
Mutilate
41% of 95 decks
+17% synergy
Defile
40% of 94 decks
-1% synergy
Creatures
Solemn Simulacrum
37% of 95 decks
+11% synergy
K'rrik, Son of Yawgmoth
30% of 94 decks
+14% synergy
Dread Presence
27% of 94 decks
+9% synergy
Burnished Hart
25% of 95 decks
+14% synergy
Ancient Cellarspawn
25% of 12 decks
+16% synergy
Dauthi Voidwalker
25% of 93 decks
+7% synergy
Orcish Bowmasters
24% of 78 decks
+7% synergy
Opposition Agent
23% of 93 decks
+10% synergy
Sheoldred, the Apocalypse
22% of 89 decks
+6% synergy
Vito, Thorn of the Dusk Rose
19% of 93 decks
+7% synergy
Vilis, Broker of Blood
18% of 94 decks
+2% synergy
Phyrexian Obliterator
18% of 95 decks
+7% synergy
Boggart Trawler
17% of 41 decks
+6% synergy
Valgavoth, Terror Eater
16% of 25 decks
+6% synergy
Massacre Wurm
16% of 95 decks
+1% synergy
Starscape Cleric
15% of 26 decks
+9% synergy
Accursed Marauder
15% of 39 decks
-11% synergy
Twilight Prophet
14% of 95 decks
+8% synergy
Leaden Myr
13% of 95 decks
+5% synergy
Murderous Rider
11% of 94 decks
+2% synergy
Pestilence Demon
11% of 95 decks
+8% synergy
Erebos, God of the Dead
11% of 95 decks
+4% synergy
Sheoldred, Whispering One
11% of 95 decks
-3% synergy
Nazgûl
10% of 78 decks
+9% synergy
Defiler of Flesh
10% of 89 decks
+3% synergy
Braids, Arisen Nightmare
10% of 89 decks
-8% synergy
Ornithopter of Paradise
10% of 93 decks
+7% synergy
Geth, Lord of the Vault
9% of 95 decks
+7% synergy
Crypt Rats
9% of 95 decks
+3% synergy
Maha, Its Feathers Night
9% of 32 decks
+1% synergy
Scampering Surveyor
9% of 54 decks
+8% synergy
Witch-king of Angmar
9% of 78 decks
+7% synergy
Aclazotz, Deepest Betrayal
9% of 56 decks
-1% synergy
Morbid Opportunist
9% of 92 decks
-8% synergy
Sheoldred
9% of 81 decks
-2% synergy
Rankle, Master of Pranks
9% of 94 decks
-5% synergy
Virtus the Veiled
8% of 95 decks
+8% synergy
Dark Confidant
8% of 95 decks
+4% synergy
Sangromancer
8% of 95 decks
-5% synergy
Blood Artist
8% of 95 decks
-20% synergy
Tinybones, the Pickpocket
8% of 48 decks
+1% synergy
Creeping Bloodsucker
8% of 86 decks
+1% synergy
Shard of the Nightbringer
8% of 88 decks
+2% synergy
Refurbished Familiar
8% of 38 decks
+2% synergy
Grim Hireling
8% of 92 decks
+3% synergy
Stonecoil Serpent
7% of 94 decks
+7% synergy
Tree of Perdition
7% of 95 decks
+6% synergy
Nightmare
7% of 95 decks
+6% synergy
Skirge Familiar
7% of 95 decks
+1% synergy
Massacre Girl
7% of 95 decks
-1% synergy
Instants
Vampiric Tutor
37% of 95 decks
+11% synergy
Cabal Ritual
27% of 95 decks
+10% synergy
Infernal Grasp
26% of 92 decks
-1% synergy
Black Sun's Twilight
24% of 86 decks
+18% synergy
Consuming Corruption
24% of 41 decks
-2% synergy
Imp's Mischief
24% of 95 decks
+6% synergy
Erebos's Intervention
24% of 93 decks
+20% synergy
Fell the Profane
22% of 41 decks
-1% synergy
Malakir Rebirth
20% of 93 decks
-1% synergy
Sheoldred's Edict
20% of 82 decks
+4% synergy
Culling the Weak
19% of 95 decks
+6% synergy
March of Wretched Sorrow
18% of 92 decks
+16% synergy
Outrageous Robbery
18% of 51 decks
+15% synergy
Empty the Pits
17% of 95 decks
+16% synergy
Go for the Throat
17% of 95 decks
-8% synergy
Baleful Mastery
16% of 93 decks
+4% synergy
Deadly Rollick
16% of 93 decks
-5% synergy
Sudden Spoiling
16% of 95 decks
+5% synergy
Snuff Out
15% of 95 decks
+4% synergy
Suffer the Past
14% of 95 decks
+13% synergy
Tendrils of Corruption
14% of 95 decks
+9% synergy
Village Rites
13% of 93 decks
-11% synergy
Force of Despair
13% of 94 decks
+5% synergy
Blood Pact
12% of 92 decks
+6% synergy
Bitter Triumph
11% of 54 decks
-6% synergy
Withering Boon
11% of 95 decks
+6% synergy
Darkness
11% of 95 decks
+3% synergy
Soul Shatter
10% of 93 decks
-3% synergy
Liliana's Triumph
9% of 95 decks
+2% synergy
Hero's Downfall
9% of 95 decks
+1% synergy
Dismember
9% of 95 decks
-2% synergy
Entomb
9% of 95 decks
-3% synergy
Tragic Slip
9% of 95 decks
-11% synergy
Hagra Mauling
9% of 93 decks
+3% synergy
Ad Nauseam
8% of 95 decks
+5% synergy
Slaughter Pact
8% of 95 decks
+5% synergy
Undying Malice
8% of 92 decks
-1% synergy
Deadly Dispute
7% of 92 decks
-14% synergy
Malicious Affliction
6% of 95 decks
+3% synergy
Tainted Strike
6% of 95 decks
+3% synergy
Slice from the Shadows
6% of 50 decks
+1% synergy
Long Goodbye
6% of 52 decks
+3% synergy
Death Denied
5% of 95 decks
+4% synergy
Curtains' Call
5% of 95 decks
+3% synergy
Thrilling Encore
5% of 95 decks
+3% synergy
Vona's Hunger
5% of 95 decks
+0% synergy
Supernatural Stamina
5% of 95 decks
-2% synergy
Doom Blade
5% of 95 decks
-4% synergy
Sorceries
Demonic Tutor
47% of 95 decks
+16% synergy
Sign in Blood
40% of 95 decks
+0% synergy
Night's Whisper
32% of 95 decks
+7% synergy
Rush of Dread
28% of 46 decks
+21% synergy
Reanimate
26% of 95 decks
-7% synergy
Peer into the Abyss
26% of 93 decks
+12% synergy
Profane Command
25% of 95 decks
+23% synergy
Damnation
25% of 95 decks
+2% synergy
Read the Bones
23% of 95 decks
+1% synergy
Consume Spirit
21% of 95 decks
+19% synergy
Grim Tutor
21% of 95 decks
+8% synergy
Diabolic Revelation
20% of 95 decks
+19% synergy
Beseech the Mirror
17% of 70 decks
+8% synergy
Dregs of Sorrow
17% of 95 decks
+17% synergy
Killing Wave
17% of 95 decks
+15% synergy
Rise of the Dark Realms
17% of 95 decks
+8% synergy
Diabolic Tutor
16% of 95 decks
-1% synergy
Agadeem's Awakening
15% of 93 decks
+8% synergy
Drain Life
15% of 95 decks
+14% synergy
Their Number Is Legion
14% of 88 decks
+10% synergy
Dark Salvation
13% of 95 decks
+11% synergy
Corrupt
13% of 95 decks
+9% synergy
Dark Deal
13% of 95 decks
-1% synergy
Nuclear Fallout
12% of 50 decks
+8% synergy
Profane Tutor
12% of 93 decks
+6% synergy
Imperial Seal
12% of 95 decks
+4% synergy
Bond of Agony
11% of 95 decks
+10% synergy
Battle at the Bridge
11% of 95 decks
+10% synergy
Mind Twist
11% of 95 decks
+9% synergy
Finale of Eternity
11% of 95 decks
+9% synergy
Temporal Extortion
11% of 95 decks
+9% synergy
Decree of Pain
11% of 95 decks
+4% synergy
Beseech the Queen
11% of 95 decks
+3% synergy
Breach the Multiverse
10% of 82 decks
+1% synergy
Thoughtseize
9% of 95 decks
+4% synergy
Diabolic Intent
9% of 95 decks
-5% synergy
Forced March
8% of 95 decks
+8% synergy
Dread Summons
8% of 95 decks
+6% synergy
In Garruk's Wake
7% of 95 decks
+2% synergy
Syphon Mind
7% of 95 decks
-7% synergy
Cut of the Profits
7% of 92 decks
+6% synergy
Blood Money
7% of 92 decks
+4% synergy
Dead of Winter
6% of 94 decks
+5% synergy
Swallowing Plague
6% of 95 decks
+6% synergy
Entreat the Dead
6% of 95 decks
+6% synergy
Death Cloud
6% of 95 decks
+3% synergy
Deadly Tempest
6% of 95 decks
+3% synergy
Drown in Ichor
6% of 82 decks
-0% synergy
Invoke Despair
5% of 92 decks
+1% synergy
Blood on the Snow
5% of 93 decks
+4% synergy
Utility Artifacts
Lightning Greaves
34% of 95 decks
+1% synergy
Bolas's Citadel
33% of 95 decks
-1% synergy
Expedition Map
31% of 95 decks
+16% synergy
Wayfarer's Bauble
31% of 95 decks
+11% synergy
Swiftfoot Boots
31% of 95 decks
-2% synergy
The One Ring
22% of 81 decks
+11% synergy
Doubling Cube
18% of 95 decks
+17% synergy
Whip of Erebos
17% of 95 decks
+5% synergy
Aetherflux Reservoir
17% of 95 decks
+4% synergy
Sensei's Divining Top
14% of 95 decks
+4% synergy
Ashnod's Altar
14% of 95 decks
-5% synergy
Bontu's Monument
14% of 95 decks
-14% synergy
Commander's Plate
12% of 93 decks
+7% synergy
Hedron Archive
11% of 95 decks
+5% synergy
Alhammarret's Archive
11% of 95 decks
+5% synergy
Whispersilk Cloak
11% of 95 decks
+5% synergy
Vorpal Sword
10% of 92 decks
+6% synergy
Horizon Stone
10% of 93 decks
+10% synergy
Wishclaw Talisman
10% of 94 decks
+3% synergy
Sword of the Animist
9% of 95 decks
+5% synergy
Psychic Paper
9% of 57 decks
+8% synergy
Navigation Orb
9% of 92 decks
+8% synergy
Mask of Griselbrand
9% of 92 decks
+5% synergy
Shadowspear
9% of 93 decks
+5% synergy
Lashwrithe
8% of 95 decks
+4% synergy
Brotherhood Regalia
8% of 36 decks
+4% synergy
Mithril Coat
8% of 75 decks
+0% synergy
Nightmare Lash
7% of 95 decks
+5% synergy
Howling Mine
7% of 95 decks
+2% synergy
Manascape Refractor
6% of 93 decks
+6% synergy
Helm of Obedience
6% of 95 decks
+6% synergy
Urza's Incubator
6% of 95 decks
+5% synergy
Nevinyrral's Disk
6% of 95 decks
+4% synergy
Defense Grid
6% of 95 decks
+4% synergy
Mindcrank
6% of 95 decks
-1% synergy
Phyrexian Altar
6% of 95 decks
-6% synergy
Swashbuckler's Whip
6% of 54 decks
+6% synergy
Mirror Shield
5% of 93 decks
+5% synergy
Amulet of Vigor
5% of 95 decks
+5% synergy
Cursed Totem
5% of 95 decks
+5% synergy
Panharmonicon
5% of 95 decks
+4% synergy
Trailblazer's Boots
5% of 95 decks
+3% synergy
Basilisk Collar
5% of 95 decks
+3% synergy
Blackblade Reforged
5% of 95 decks
+2% synergy
Endless Atlas
5% of 95 decks
+1% synergy
Teferi's Puzzle Box
5% of 95 decks
+1% synergy
Skullclamp
5% of 95 decks
-16% synergy
Enchantments
The Meathook Massacre
36% of 92 decks
+21% synergy
Black Market Connections
23% of 92 decks
+3% synergy
Exquisite Blood
22% of 95 decks
+9% synergy
Necropotence
22% of 95 decks
+6% synergy
Black Market
18% of 95 decks
-4% synergy
Meathook Massacre II
16% of 25 decks
-2% synergy
No Mercy
16% of 95 decks
+9% synergy
Sanguine Bond
16% of 95 decks
+3% synergy
Call of the Ring
15% of 78 decks
+11% synergy
Wound Reflection
14% of 95 decks
+10% synergy
Animate Dead
14% of 95 decks
-5% synergy
Greed
13% of 95 decks
+2% synergy
Bloodchief Ascension
12% of 95 decks
+2% synergy
Heartless Summoning
11% of 95 decks
+7% synergy
Bitterblossom
11% of 95 decks
+1% synergy
Painful Quandary
11% of 95 decks
-0% synergy
Nowhere to Run
9% of 35 decks
+4% synergy
Underworld Dreams
8% of 95 decks
+0% synergy
Phyrexian Reclamation
8% of 95 decks
-4% synergy
Virtue of Persistence
7% of 67 decks
-1% synergy
Dauthi Embrace
7% of 95 decks
+6% synergy
Revel in Riches
7% of 95 decks
+2% synergy
Font of Agonies
7% of 95 decks
+1% synergy
Pestilence
6% of 95 decks
+3% synergy
Kaya's Ghostform
6% of 95 decks
-4% synergy
Grave Pact
6% of 95 decks
-9% synergy
Necromancy
5% of 95 decks
-1% synergy
Waste Not
5% of 95 decks
-7% synergy
Planeswalkers
Sorin Markov
9% of 95 decks
+6% synergy
Liliana of the Veil
8% of 95 decks
+1% synergy
Liliana, Waker of the Dead
6% of 93 decks
+0% synergy
Professor Onyx
6% of 93 decks
-0% synergy
Liliana Vess
6% of 95 decks
+2% synergy
Vraska, Betrayal's Sting
6% of 86 decks
+1% synergy
Ob Nixilis Reignited
5% of 95 decks
+2% synergy
Liliana, Dreadhorde General
5% of 95 decks
-5% synergy
Utility Lands
Cabal Coffers
79% of 95 decks
+22% synergy
Urborg, Tomb of Yawgmoth
61% of 95 decks
+22% synergy
Cabal Stronghold
58% of 95 decks
+18% synergy
Nykthos, Shrine to Nyx
41% of 95 decks
+11% synergy
Reliquary Tower
39% of 95 decks
+7% synergy
Bojuka Bog
36% of 95 decks
-11% synergy
Castle Locthwain
32% of 94 decks
+11% synergy
Shizo, Death's Storehouse
32% of 95 decks
+22% synergy
War Room
26% of 93 decks
+9% synergy
Witch's Cottage
26% of 94 decks
+1% synergy
Thespian's Stage
25% of 95 decks
+18% synergy
Rogue's Passage
25% of 95 decks
+9% synergy
Ancient Tomb
20% of 95 decks
+7% synergy
Vesuva
17% of 95 decks
+14% synergy
Takenuma, Abandoned Mire
15% of 92 decks
-3% synergy
Deserted Temple
15% of 95 decks
+11% synergy
Lake of the Dead
14% of 95 decks
+8% synergy
Urza's Saga
13% of 93 decks
+4% synergy
Phyrexian Tower
12% of 95 decks
-9% synergy
Boseiju, Who Shelters All
11% of 95 decks
+9% synergy
Maze of Ith
11% of 95 decks
+7% synergy
Geier Reach Sanitarium
11% of 95 decks
-3% synergy
Command Beacon
9% of 95 decks
+2% synergy
Temple of the False God
8% of 95 decks
+0% synergy
Terrain Generator
7% of 95 decks
+5% synergy
Karn's Bastion
7% of 95 decks
+3% synergy
Barren Moor
7% of 95 decks
-6% synergy
Spymaster's Vault
7% of 41 decks
-6% synergy
Minas Morgul, Dark Fortress
7% of 57 decks
+3% synergy
The Black Gate
7% of 73 decks
+2% synergy
Sanctum of Eternity
6% of 94 decks
+5% synergy
Mikokoro, Center of the Sea
6% of 95 decks
+2% synergy
Emergence Zone
6% of 95 decks
+2% synergy
Crypt of Agadeem
6% of 95 decks
-4% synergy
Homeward Path
5% of 95 decks
+3% synergy
Vault of Whispers
5% of 95 decks
-1% synergy
Mana Artifacts
Sol Ring
91% of 95 decks
+3% synergy
Arcane Signet
55% of 94 decks
-8% synergy
Caged Sun
39% of 95 decks
+23% synergy
Extraplanar Lens
32% of 95 decks
+27% synergy
Gauntlet of Power
26% of 95 decks
+22% synergy
Mind Stone
24% of 95 decks
-12% synergy
Thought Vessel
22% of 95 decks
-6% synergy
Sceptre of Eternal Glory
22% of 88 decks
+9% synergy
Charcoal Diamond
18% of 95 decks
-8% synergy
Chrome Mox
16% of 95 decks
+9% synergy
Everflowing Chalice
16% of 95 decks
+8% synergy
Mana Vault
16% of 95 decks
+8% synergy
Thran Dynamo
14% of 95 decks
+7% synergy
Mox Amber
13% of 95 decks
+8% synergy
Gilded Lotus
13% of 95 decks
+6% synergy
Nyx Lotus
12% of 93 decks
+2% synergy
Mox Opal
12% of 95 decks
+8% synergy
Lotus Petal
12% of 95 decks
+4% synergy
Fellwar Stone
11% of 95 decks
-5% synergy
Jeweled Lotus
9% of 93 decks
-1% synergy
Mana Crypt
8% of 95 decks
-1% synergy
Mox Tantalite
7% of 94 decks
+7% synergy
Commander's Sphere
7% of 95 decks
-5% synergy
Chromatic Lantern
6% of 95 decks
+6% synergy
Astral Cornucopia
6% of 95 decks
+6% synergy
Basalt Monolith
6% of 95 decks
+4% synergy
Worn Powerstone
6% of 95 decks
+2% synergy
Crowded Crypt
5% of 92 decks
+1% synergy
Lands
Myriad Landscape
31% of 95 decks
+1% synergy
Urza's Cave
17% of 42 decks
+5% synergy
Plaza of Heroes
13% of 89 decks
+12% synergy
Gemstone Caverns
8% of 95 decks
+4% synergy
Cavern of Souls
8% of 95 decks
+2% synergy
Marsh Flats
5% of 95 decks
+2% synergy