The Master of Keys (Commander) - Optimized Combo

Background image for Examining Duskmourn: House of Horror, One Year Later
Josh Nelson
Sep 26, 2025
Examining Duskmourn: House of Horror, One Year Later
Last time, we examined Bloomburrow and its cozy woodland vibes. Today, we're taking a much darker turn with Duskmourn: House of Horror!
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Wan Shi Tong, Librarian
25%inclusion1 decks4 decks
21%synergy
Appa, Steadfast Guardian
8.3%inclusion1 decks12 decks
8%synergy
High Synergy Cards
Animate Dead
87%inclusion26 decks30 decks
77%synergy
Necromancy
77%inclusion23 decks30 decks
72%synergy
Abdel Adrian, Gorion's Ward
73%inclusion22 decks30 decks
72%synergy
Mystic Remora
80%inclusion24 decks30 decks
58%synergy
Sevinne's Reclamation
67%inclusion20 decks30 decks
58%synergy
Ripples of Undeath
60%inclusion18 decks30 decks
57%synergy
Entomb
63%inclusion19 decks30 decks
56%synergy
Dress Down
50%inclusion15 decks30 decks
47%synergy
The Meathook Massacre
50%inclusion15 decks30 decks
46%synergy
Tinybones Joins Up
47%inclusion14 decks30 decks
45%synergy
Top Cards
Swords to Plowshares
67%inclusion20 decks30 decks
-2%synergy
Dark Ritual
63%inclusion19 decks30 decks
44%synergy
Esper Sentinel
60%inclusion18 decks30 decks
32%synergy
Blind Obedience
57%inclusion17 decks30 decks
44%synergy
Swan Song
57%inclusion17 decks30 decks
37%synergy
An Offer You Can't Refuse
53%inclusion16 decks30 decks
27%synergy
Amphibian Downpour
47%inclusion14 decks30 decks
42%synergy
Lotho, Corrupt Shirriff
43%inclusion13 decks30 decks
27%synergy
Dance of the Dead
43%inclusion13 decks30 decks
41%synergy
Mirrormade
43%inclusion13 decks30 decks
33%synergy
Game Changers
Rhystic Study
80%inclusion24 decks30 decks
47%synergy
Smothering Tithe
73%inclusion22 decks30 decks
41%synergy
Demonic Tutor
67%inclusion20 decks30 decks
45%synergy
Vampiric Tutor
67%inclusion20 decks30 decks
48%synergy
Enlightened Tutor
63%inclusion19 decks30 decks
43%synergy
Thassa's Oracle
50%inclusion15 decks30 decks
40%synergy
Ancient Tomb
47%inclusion14 decks30 decks
33%synergy
Necropotence
47%inclusion14 decks30 decks
40%synergy
The One Ring
43%inclusion13 decks30 decks
30%synergy
Mystical Tutor
43%inclusion13 decks30 decks
32%synergy
Creatures
Entity Tracker
40%inclusion12 decks30 decks
33%synergy
Valley Floodcaller
37%inclusion11 decks30 decks
32%synergy
Grand Abolisher
37%inclusion11 decks30 decks
22%synergy
Orcish Bowmasters
37%inclusion11 decks30 decks
25%synergy
Inquisitive Glimmer
33%inclusion10 decks30 decks
26%synergy
Mesa Enchantress
33%inclusion10 decks30 decks
24%synergy
Grim Guardian
30%inclusion9 decks30 decks
27%synergy
Ledger Shredder
30%inclusion9 decks30 decks
21%synergy
Displacer Kitten
27%inclusion8 decks30 decks
19%synergy
Scrabbling Skullcrab
27%inclusion8 decks30 decks
26%synergy
Opposition Agent
27%inclusion8 decks30 decks
18%synergy
Hullbreaker Horror
27%inclusion8 decks30 decks
20%synergy
Voice of Victory
26%inclusion7 decks27 decks
18%synergy
Archivist of Oghma
23%inclusion7 decks30 decks
17%synergy
Gravebreaker Lamia
23%inclusion7 decks30 decks
22%synergy
Fear of Impostors
23%inclusion7 decks30 decks
22%synergy
Overlord of the Balemurk
23%inclusion7 decks30 decks
21%synergy
Talion, the Kindly Lord
23%inclusion7 decks30 decks
15%synergy
Psychic Frog
23%inclusion7 decks30 decks
17%synergy
Starfield Mystic
20%inclusion6 decks30 decks
13%synergy
Snapcaster Mage
20%inclusion6 decks30 decks
18%synergy
Demon of Fate's Design
20%inclusion6 decks30 decks
14%synergy
Hedron Crab
20%inclusion6 decks30 decks
19%synergy
Leonin Relic-Warder
20%inclusion6 decks30 decks
20%synergy
Victor, Valgavoth's Seneschal
20%inclusion6 decks30 decks
18%synergy
Mockingbird
20%inclusion6 decks30 decks
16%synergy
Overlord of the Floodpits
17%inclusion5 decks30 decks
13%synergy
Lurrus of the Dream-Den
17%inclusion5 decks30 decks
15%synergy
Faerie Mastermind
17%inclusion5 decks30 decks
7%synergy
Laboratory Maniac
17%inclusion5 decks30 decks
13%synergy
Drannith Magistrate
17%inclusion5 decks30 decks
8%synergy
Heliod, the Radiant Dawn
17%inclusion5 decks30 decks
13%synergy
Ranger-Captain of Eos
17%inclusion5 decks30 decks
10%synergy
Zur, Eternal Schemer
17%inclusion5 decks30 decks
13%synergy
Ondu Spiritdancer
17%inclusion5 decks30 decks
10%synergy
Witch Enchanter
13%inclusion4 decks30 decks
6%synergy
Phyrexian Metamorph
13%inclusion4 decks30 decks
4%synergy
Walking Ballista
13%inclusion4 decks30 decks
11%synergy
Heliod, Sun-Crowned
13%inclusion4 decks30 decks
9%synergy
Moon-Blessed Cleric
13%inclusion4 decks30 decks
9%synergy
Enduring Curiosity
13%inclusion4 decks30 decks
6%synergy
Fear of Sleep Paralysis
13%inclusion4 decks30 decks
8%synergy
Balemurk Leech
13%inclusion4 decks30 decks
13%synergy
Zur the Enchanter
13%inclusion4 decks30 decks
8%synergy
Auriok Salvagers
13%inclusion4 decks30 decks
13%synergy
Ghostly Pilferer
13%inclusion4 decks30 decks
6%synergy
Superior Spider-Man
13%inclusion1 decks8 decks
12%synergy
Mister Negative
13%inclusion1 decks8 decks
12%synergy
Hoarding Broodlord
10%inclusion3 decks30 decks
8%synergy
Sheoldred, the Apocalypse
10%inclusion3 decks30 decks
1%synergy
Instants
Force of Will
40%inclusion12 decks30 decks
27%synergy
Force of Negation
40%inclusion12 decks30 decks
28%synergy
Cyclonic Rift
40%inclusion12 decks30 decks
15%synergy
Gifts Ungiven
37%inclusion11 decks30 decks
34%synergy
Silence
37%inclusion11 decks30 decks
26%synergy
Sink into Stupor
37%inclusion11 decks30 decks
24%synergy
Path to Exile
37%inclusion11 decks30 decks
-5%synergy
Cabal Ritual
33%inclusion10 decks30 decks
30%synergy
Mana Drain
33%inclusion10 decks30 decks
16%synergy
Flusterstorm
30%inclusion9 decks30 decks
22%synergy
Counterspell
30%inclusion9 decks30 decks
-11%synergy
Fierce Guardianship
30%inclusion9 decks30 decks
9%synergy
Teferi's Protection
27%inclusion8 decks30 decks
10%synergy
Demonic Consultation
27%inclusion8 decks30 decks
18%synergy
Borne Upon a Wind
27%inclusion8 decks30 decks
22%synergy
Pact of Negation
27%inclusion8 decks30 decks
18%synergy
Dovin's Veto
23%inclusion7 decks30 decks
-1%synergy
Retraction Helix
23%inclusion7 decks30 decks
23%synergy
Muddle the Mixture
20%inclusion6 decks30 decks
16%synergy
Tainted Pact
20%inclusion6 decks30 decks
12%synergy
Brainstorm
20%inclusion6 decks30 decks
3%synergy
Mindbreak Trap
20%inclusion6 decks30 decks
13%synergy
Void Rend
20%inclusion6 decks30 decks
-13%synergy
Into the Flood Maw
20%inclusion6 decks30 decks
16%synergy
Arcane Denial
20%inclusion6 decks30 decks
0%synergy
Deadly Rollick
17%inclusion5 decks30 decks
3%synergy
Mental Misstep
17%inclusion5 decks30 decks
10%synergy
Intuition
17%inclusion5 decks30 decks
15%synergy
Sacrifice
13%inclusion4 decks30 decks
13%synergy
Culling the Weak
13%inclusion4 decks30 decks
12%synergy
Banishing Knack
13%inclusion4 decks30 decks
13%synergy
Waterlogged Teachings
13%inclusion4 decks30 decks
9%synergy
Fell the Profane
10%inclusion3 decks30 decks
1%synergy
Frantic Search
10%inclusion3 decks30 decks
-7%synergy
Negate
10%inclusion3 decks30 decks
-7%synergy
Dawn's Truce
10%inclusion3 decks30 decks
6%synergy
Brain Freeze
10%inclusion3 decks30 decks
9%synergy
Angel's Grace
10%inclusion3 decks30 decks
7%synergy
Dispel
10%inclusion3 decks30 decks
6%synergy
Strix Serenade
10%inclusion3 decks30 decks
6%synergy
Perplex
10%inclusion3 decks30 decks
9%synergy
Ad Nauseam
10%inclusion3 decks30 decks
7%synergy
Drown in the Loch
6.7%inclusion2 decks30 decks
5%synergy
Chain of Vapor
6.7%inclusion2 decks30 decks
3%synergy
Orim's Chant
6.7%inclusion2 decks30 decks
5%synergy
Clutch of the Undercity
6.7%inclusion2 decks30 decks
6%synergy
Lim-Dûl's Vault
6.7%inclusion2 decks30 decks
3%synergy
Darkblast
6.7%inclusion2 decks30 decks
7%synergy
Permission Denied
6.7%inclusion2 decks30 decks
4%synergy
Delay
6.7%inclusion2 decks30 decks
4%synergy
Sorceries
Windfall
40%inclusion12 decks30 decks
26%synergy
Toxic Deluge
37%inclusion11 decks30 decks
17%synergy
Reanimate
33%inclusion10 decks30 decks
17%synergy
Imperial Seal
20%inclusion6 decks30 decks
12%synergy
Lively Dirge
17%inclusion5 decks30 decks
15%synergy
Unmarked Grave
17%inclusion5 decks30 decks
15%synergy
Demonic Counsel
17%inclusion5 decks30 decks
16%synergy
Damn
13%inclusion4 decks30 decks
-7%synergy
Supreme Verdict
10%inclusion3 decks30 decks
-5%synergy
Yawgmoth's Will
10%inclusion3 decks30 decks
9%synergy
Farewell
10%inclusion3 decks30 decks
-3%synergy
Idyllic Tutor
10%inclusion3 decks30 decks
6%synergy
Beseech the Mirror
10%inclusion3 decks30 decks
6%synergy
Cabal Therapy
6.7%inclusion2 decks30 decks
7%synergy
Diabolic Intent
6.7%inclusion2 decks30 decks
1%synergy
Diabolic Tutor
6.7%inclusion2 decks30 decks
2%synergy
Gitaxian Probe
6.7%inclusion2 decks30 decks
5%synergy
Repay in Kind
6.7%inclusion2 decks30 decks
6%synergy
Torment of Hailfire
6.7%inclusion2 decks30 decks
5%synergy
Wrath of God
6.7%inclusion2 decks30 decks
3%synergy
Dread Return
6.7%inclusion2 decks30 decks
4%synergy
Cut Your Losses
6.7%inclusion2 decks30 decks
6%synergy
Doomsday
6.7%inclusion2 decks30 decks
6%synergy
Buried Alive
6.7%inclusion2 decks30 decks
3%synergy
Vanquish the Horde
6.7%inclusion2 decks30 decks
4%synergy
Mnemonic Betrayal
6.7%inclusion2 decks30 decks
4%synergy
Day of Judgment
6.7%inclusion2 decks30 decks
5%synergy
Unburial Rites
6.7%inclusion2 decks30 decks
3%synergy
Damnation
6.7%inclusion2 decks30 decks
4%synergy
Traumatize
6.7%inclusion2 decks30 decks
6%synergy
Grim Tutor
6.7%inclusion2 decks30 decks
3%synergy
Dance of the Manse
6.7%inclusion2 decks30 decks
3%synergy
Singularity Rupture
6.3%inclusion1 decks16 decks
4%synergy
Utility Artifacts
Wishclaw Talisman
37%inclusion11 decks30 decks
28%synergy
Mesmeric Orb
27%inclusion8 decks30 decks
26%synergy
Sensei's Divining Top
20%inclusion6 decks30 decks
10%synergy
Bolas's Citadel
10%inclusion3 decks30 decks
1%synergy
Expedition Map
10%inclusion3 decks30 decks
8%synergy
Altar of the Brood
10%inclusion3 decks30 decks
9%synergy
Isochron Scepter
10%inclusion3 decks30 decks
8%synergy
Marina Vendrell's Grimoire
6.7%inclusion2 decks30 decks
5%synergy
Crucible of Worlds
6.7%inclusion2 decks30 decks
6%synergy
Mirror of Fate
6.7%inclusion2 decks30 decks
7%synergy
Aetherflux Reservoir
6.7%inclusion2 decks30 decks
-1%synergy
Agatha's Soul Cauldron
6.7%inclusion2 decks30 decks
6%synergy
Lightning Greaves
6.7%inclusion2 decks30 decks
-16%synergy
Codex Shredder
6.7%inclusion2 decks30 decks
6%synergy
Tainted Sigil
6.7%inclusion2 decks30 decks
6%synergy
Enchantments
Propaganda
33%inclusion10 decks30 decks
7%synergy
Touch the Spirit Realm
30%inclusion9 decks30 decks
27%synergy
Seal of Cleansing
30%inclusion9 decks30 decks
28%synergy
Static Prison
30%inclusion9 decks30 decks
29%synergy
Ghostly Prison
30%inclusion9 decks30 decks
9%synergy
Trouble in Pairs
27%inclusion8 decks30 decks
21%synergy
Grasp of Fate
20%inclusion6 decks30 decks
14%synergy
Estrid's Invocation
20%inclusion6 decks30 decks
15%synergy
Enchanted Evening
20%inclusion6 decks30 decks
18%synergy
Teval's Judgment
19%inclusion5 decks27 decks
18%synergy
Court of Cunning
17%inclusion5 decks30 decks
16%synergy
Out of the Tombs
17%inclusion5 decks30 decks
16%synergy
Sphere of Safety
17%inclusion5 decks30 decks
7%synergy
Secret Arcade // Dusty Parlor
17%inclusion5 decks30 decks
11%synergy
Stillness in Motion
15%inclusion4 decks27 decks
14%synergy
Founding the Third Path
13%inclusion4 decks30 decks
13%synergy
Authority of the Consuls
13%inclusion4 decks30 decks
2%synergy
Starfield of Nyx
13%inclusion4 decks30 decks
9%synergy
Cemetery Tampering
13%inclusion4 decks30 decks
13%synergy
Leyline of Anticipation
13%inclusion4 decks30 decks
9%synergy
Black Market Connections
13%inclusion4 decks30 decks
0%synergy
Seal of Removal
13%inclusion4 decks30 decks
13%synergy
Counterbalance
10%inclusion3 decks30 decks
8%synergy
Hopeless Nightmare
10%inclusion3 decks30 decks
10%synergy
Chthonian Nightmare
10%inclusion3 decks30 decks
9%synergy
Solitary Confinement
10%inclusion3 decks30 decks
8%synergy
Bloodchief Ascension
10%inclusion3 decks30 decks
5%synergy
Nowhere to Run
10%inclusion3 decks30 decks
9%synergy
Greater Auramancy
10%inclusion3 decks30 decks
5%synergy
Aura of Silence
10%inclusion3 decks30 decks
7%synergy
Phyrexian Arena
10%inclusion3 decks30 decks
-4%synergy
Imprisoned in the Moon
6.7%inclusion2 decks30 decks
0%synergy
Sigil of the Empty Throne
6.7%inclusion2 decks30 decks
1%synergy
Utter Insignificance
6.7%inclusion2 decks30 decks
6%synergy
Lich
6.7%inclusion2 decks30 decks
7%synergy
Phyrexian Unlife
6.7%inclusion2 decks30 decks
5%synergy
Copy Artifact
6.7%inclusion2 decks30 decks
6%synergy
Copy Enchantment
6.7%inclusion2 decks30 decks
2%synergy
Shark Typhoon
6.7%inclusion2 decks30 decks
1%synergy
Timely Ward
6.7%inclusion2 decks30 decks
2%synergy
Exquisite Blood
6.7%inclusion2 decks30 decks
0%synergy
The Restoration of Eiganjo
6.7%inclusion2 decks30 decks
6%synergy
Screams from Within
6.7%inclusion2 decks30 decks
7%synergy
All That Glitters
6.7%inclusion2 decks30 decks
-2%synergy
Monologue Tax
6.7%inclusion2 decks30 decks
1%synergy
Scavenger's Talent
6.7%inclusion2 decks30 decks
7%synergy
Land Tax
6.7%inclusion2 decks30 decks
1%synergy
Dollmaker's Shop // Porcelain Gallery
6.7%inclusion2 decks30 decks
5%synergy
Mirror Room // Fractured Realm
6.7%inclusion2 decks30 decks
4%synergy
Solemnity
6.7%inclusion2 decks30 decks
3%synergy
Planeswalkers
Teferi, Time Raveler
30%inclusion9 decks30 decks
22%synergy
Jace, Wielder of Mysteries
6.7%inclusion2 decks30 decks
5%synergy
Narset, Parter of Veils
6.7%inclusion2 decks30 decks
3%synergy
Utility Lands
Hall of Heliod's Generosity
43%inclusion13 decks30 decks
30%synergy
Otawara, Soaring City
43%inclusion13 decks30 decks
24%synergy
Urza's Saga
40%inclusion12 decks30 decks
28%synergy
Urborg, Tomb of Yawgmoth
27%inclusion8 decks30 decks
13%synergy
Emergence Zone
23%inclusion7 decks30 decks
21%synergy
Takenuma, Abandoned Mire
23%inclusion7 decks30 decks
17%synergy
Cephalid Coliseum
23%inclusion7 decks30 decks
20%synergy
Serra's Sanctum
17%inclusion5 decks30 decks
15%synergy
Reliquary Tower
13%inclusion4 decks30 decks
-20%synergy
Shizo, Death's Storehouse
10%inclusion3 decks30 decks
8%synergy
Bojuka Bog
10%inclusion3 decks30 decks
-17%synergy
Minamo, School at Water's Edge
10%inclusion3 decks30 decks
6%synergy
Mistrise Village
7.4%inclusion2 decks27 decks
4%synergy
Maze of Ith
6.7%inclusion2 decks30 decks
4%synergy
Cabal Coffers
6.7%inclusion2 decks30 decks
3%synergy
Eiganjo, Seat of the Empire
6.7%inclusion2 decks30 decks
2%synergy
Academy Ruins
6.7%inclusion2 decks30 decks
0%synergy
Mana Artifacts
Arcane Signet
100%inclusion30 decks30 decks
12%synergy
Sol Ring
100%inclusion30 decks30 decks
10%synergy
Talisman of Dominance
87%inclusion26 decks30 decks
38%synergy
Talisman of Progress
63%inclusion19 decks30 decks
21%synergy
Talisman of Hierarchy
60%inclusion18 decks30 decks
17%synergy
Fellwar Stone
50%inclusion15 decks30 decks
16%synergy
Mana Vault
33%inclusion10 decks30 decks
24%synergy
Chrome Mox
33%inclusion10 decks30 decks
24%synergy
Lotus Petal
27%inclusion8 decks30 decks
16%synergy
Mox Opal
27%inclusion8 decks30 decks
18%synergy
Mox Diamond
23%inclusion7 decks30 decks
16%synergy
Azorius Signet
20%inclusion6 decks30 decks
-13%synergy
Mox Amber
17%inclusion5 decks30 decks
11%synergy
Dimir Signet
13%inclusion4 decks30 decks
-20%synergy
Orzhov Signet
13%inclusion4 decks30 decks
-22%synergy
Lion's Eye Diamond
13%inclusion4 decks30 decks
11%synergy
Mind Stone
10%inclusion3 decks30 decks
-3%synergy
Grim Monolith
6.7%inclusion2 decks30 decks
3%synergy
Lands
Command Tower
97%inclusion29 decks30 decks
4%synergy
Watery Grave
87%inclusion26 decks30 decks
37%synergy
Island
83%inclusion25 decks30 decks
-9%synergy
Flooded Strand
83%inclusion25 decks30 decks
46%synergy
Swamp
80%inclusion24 decks30 decks
-11%synergy
Plains
80%inclusion24 decks30 decks
-11%synergy
Polluted Delta
80%inclusion24 decks30 decks
43%synergy
Godless Shrine
77%inclusion23 decks30 decks
27%synergy
Hallowed Fountain
77%inclusion23 decks30 decks
28%synergy
Marsh Flats
73%inclusion22 decks30 decks
37%synergy
Exotic Orchard
63%inclusion19 decks30 decks
5%synergy
Sea of Clouds
57%inclusion17 decks30 decks
21%synergy
Morphic Pool
53%inclusion16 decks30 decks
19%synergy
Raffine's Tower
50%inclusion15 decks30 decks
9%synergy
Tundra
43%inclusion13 decks30 decks
27%synergy
Undercity Sewers
43%inclusion13 decks30 decks
29%synergy
Vault of Champions
43%inclusion13 decks30 decks
10%synergy
Underground Sea
40%inclusion12 decks30 decks
24%synergy
Isolated Chapel
40%inclusion12 decks30 decks
2%synergy
Underground River
40%inclusion12 decks30 decks
8%synergy
Glacial Fortress
37%inclusion11 decks30 decks
-2%synergy
Shadowy Backstreet
37%inclusion11 decks30 decks
24%synergy
Caves of Koilos
37%inclusion11 decks30 decks
1%synergy
Sink into Stupor
37%inclusion11 decks30 decks
24%synergy
Scrubland
37%inclusion11 decks30 decks
21%synergy
Drowned Catacomb
33%inclusion10 decks30 decks
-2%synergy
Meticulous Archive
33%inclusion10 decks30 decks
20%synergy
Mana Confluence
33%inclusion10 decks30 decks
19%synergy
Adarkar Wastes
33%inclusion10 decks30 decks
3%synergy
City of Brass
33%inclusion10 decks30 decks
18%synergy
Bloodstained Mire
30%inclusion9 decks30 decks
19%synergy
Verdant Catacombs
27%inclusion8 decks30 decks
16%synergy
Misty Rainforest
23%inclusion7 decks30 decks
12%synergy
Gemstone Caverns
23%inclusion7 decks30 decks
15%synergy
Windswept Heath
20%inclusion6 decks30 decks
10%synergy
Prairie Stream
20%inclusion6 decks30 decks
-21%synergy
Gloomlake Verge
20%inclusion6 decks30 decks
9%synergy
Arcane Sanctum
17%inclusion5 decks30 decks
-38%synergy
Arid Mesa
17%inclusion5 decks30 decks
7%synergy
Scalding Tarn
17%inclusion5 decks30 decks
5%synergy
Witch Enchanter
13%inclusion4 decks30 decks
6%synergy
Fabled Passage
13%inclusion4 decks30 decks
6%synergy
Temple of Deceit
13%inclusion4 decks30 decks
-5%synergy
Shipwreck Marsh
13%inclusion4 decks30 decks
-7%synergy
Temple of Enlightenment
13%inclusion4 decks30 decks
-4%synergy
Shineshadow Snarl
13%inclusion4 decks30 decks
3%synergy
Snow-Covered Swamp
13%inclusion4 decks30 decks
10%synergy
Waterlogged Teachings
13%inclusion4 decks30 decks
9%synergy
Temple of Silence
13%inclusion4 decks30 decks
-7%synergy
Floodfarm Verge
13%inclusion4 decks30 decks
2%synergy