The Master of Keys (Commander) - Budget Core

The Master of Keys
Rank #315
36decks
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Background image for Examining Duskmourn: House of Horror, One Year Later
Josh Nelson
Sep 26, 2025
Josh Nelson
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!
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Sorceries
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Utility Lands
Mana Artifacts
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Waterbender Ascension
33%inclusion1 decks3 decks
32%synergy
High Synergy Cards
Mesa Enchantress
75%inclusion27 decks36 decks
66%synergy
Inquisitive Glimmer
69%inclusion25 decks36 decks
62%synergy
Starfield Mystic
67%inclusion24 decks36 decks
60%synergy
Sigil of the Empty Throne
61%inclusion22 decks36 decks
55%synergy
Scrabbling Skullcrab
56%inclusion20 decks36 decks
54%synergy
Demon of Fate's Design
58%inclusion21 decks36 decks
53%synergy
Doomwake Giant
58%inclusion21 decks36 decks
52%synergy
Gravebreaker Lamia
53%inclusion19 decks36 decks
52%synergy
Cemetery Tampering
50%inclusion18 decks36 decks
49%synergy
Seal of Cleansing
44%inclusion16 decks36 decks
43%synergy
Top Cards
Entity Tracker
47%inclusion17 decks36 decks
41%synergy
Fear of Sleep Paralysis
44%inclusion16 decks36 decks
39%synergy
Ondu Spiritdancer
39%inclusion14 decks36 decks
33%synergy
Redress Fate
39%inclusion14 decks36 decks
33%synergy
The Eldest Reborn
39%inclusion14 decks36 decks
36%synergy
Seal of Doom
36%inclusion13 decks36 decks
36%synergy
Mirrormade
36%inclusion13 decks36 decks
26%synergy
Soaring Lightbringer
36%inclusion13 decks36 decks
31%synergy
Swords to Plowshares
36%inclusion13 decks36 decks
-32%synergy
Secrets of the Dead
36%inclusion13 decks36 decks
36%synergy
Creatures
Ghostly Dancers
33%inclusion12 decks36 decks
31%synergy
Sage of Mysteries
33%inclusion12 decks36 decks
33%synergy
Victor, Valgavoth's Seneschal
33%inclusion12 decks36 decks
31%synergy
Archon of Sun's Grace
31%inclusion11 decks36 decks
26%synergy
Fear of Impostors
31%inclusion11 decks36 decks
29%synergy
Moon-Blessed Cleric
31%inclusion11 decks36 decks
26%synergy
Alseid of Life's Bounty
31%inclusion11 decks36 decks
29%synergy
Aminatou, Veil Piercer
28%inclusion10 decks36 decks
26%synergy
Skullsnap Nuisance
28%inclusion10 decks36 decks
27%synergy
Fear of Infinity
25%inclusion9 decks36 decks
24%synergy
Mindwrack Harpy
25%inclusion9 decks36 decks
25%synergy
Balemurk Leech
22%inclusion8 decks36 decks
21%synergy
Grim Guardian
22%inclusion8 decks36 decks
20%synergy
Archetype of Imagination
22%inclusion8 decks36 decks
18%synergy
Heliod, the Radiant Dawn
19%inclusion7 decks36 decks
16%synergy
Gremlin Tamer
19%inclusion7 decks36 decks
18%synergy
Zur the Enchanter
19%inclusion7 decks36 decks
14%synergy
Solemn Simulacrum
17%inclusion6 decks36 decks
1%synergy
Auramancer
17%inclusion6 decks36 decks
14%synergy
Starnheim Courser
17%inclusion6 decks36 decks
13%synergy
Athreos, Shroud-Veiled
17%inclusion6 decks36 decks
12%synergy
Millikin
17%inclusion6 decks36 decks
16%synergy
Silent Hallcreeper
17%inclusion6 decks36 decks
13%synergy
Ajani's Chosen
14%inclusion5 decks36 decks
13%synergy
Fear of Surveillance
14%inclusion5 decks36 decks
14%synergy
Spirited Companion
14%inclusion5 decks36 decks
12%synergy
Nightmare Shepherd
14%inclusion5 decks36 decks
11%synergy
Overlord of the Floodpits
11%inclusion4 decks36 decks
7%synergy
Prognostic Sphinx
11%inclusion4 decks36 decks
10%synergy
Nashi, Searcher in the Dark
11%inclusion4 decks36 decks
11%synergy
Dream Eater
11%inclusion4 decks36 decks
11%synergy
Stitcher's Supplier
11%inclusion4 decks36 decks
10%synergy
Sun Titan
11%inclusion4 decks36 decks
2%synergy
Fear of Isolation
11%inclusion4 decks36 decks
11%synergy
Fear of Lost Teeth
11%inclusion4 decks36 decks
11%synergy
Nighthowler
11%inclusion4 decks36 decks
11%synergy
Ashiok's Reaper
11%inclusion4 decks36 decks
11%synergy
Appendage Amalgam
11%inclusion4 decks36 decks
11%synergy
Ian Chesterton
8.3%inclusion3 decks36 decks
8%synergy
Indebted Spirit
8.3%inclusion3 decks36 decks
8%synergy
Brain Maggot
8.3%inclusion3 decks36 decks
8%synergy
Burnished Hart
8.3%inclusion3 decks36 decks
5%synergy
Arvinox, the Mind Flail
8.3%inclusion3 decks36 decks
7%synergy
Ancient Cellarspawn
8.3%inclusion3 decks36 decks
5%synergy
Zur, Eternal Schemer
8.3%inclusion3 decks36 decks
5%synergy
Patrician Geist
8.3%inclusion3 decks36 decks
8%synergy
Deranged Assistant
8.3%inclusion3 decks36 decks
8%synergy
Phenomenon Investigators
8.3%inclusion3 decks36 decks
8%synergy
Transcendent Envoy
8.3%inclusion3 decks36 decks
7%synergy
Summon: Yojimbo
7.7%inclusion1 decks13 decks
7%synergy
Instants
Negate
28%inclusion10 decks36 decks
11%synergy
Otherworldly Gaze
28%inclusion10 decks36 decks
26%synergy
Path to Exile
28%inclusion10 decks36 decks
-14%synergy
Fact or Fiction
25%inclusion9 decks36 decks
21%synergy
Thirst for Meaning
25%inclusion9 decks36 decks
23%synergy
Void Rend
25%inclusion9 decks36 decks
-8%synergy
Arcane Denial
19%inclusion7 decks36 decks
-1%synergy
Rowan's Grim Search
14%inclusion5 decks36 decks
14%synergy
Utter End
14%inclusion5 decks36 decks
7%synergy
An Offer You Can't Refuse
11%inclusion4 decks36 decks
-15%synergy
Frantic Search
11%inclusion4 decks36 decks
-6%synergy
Return to Dust
11%inclusion4 decks36 decks
7%synergy
Brainstorm
8.3%inclusion3 decks36 decks
-9%synergy
Counterspell
8.3%inclusion3 decks36 decks
-33%synergy
Telling Time
8.3%inclusion3 decks36 decks
6%synergy
Generous Gift
8.3%inclusion3 decks36 decks
-6%synergy
Forbidden Alchemy
8.3%inclusion3 decks36 decks
7%synergy
Unwanted Remake
8.3%inclusion3 decks36 decks
8%synergy
Inkshield
8.3%inclusion3 decks36 decks
-1%synergy
Refute
6.3%inclusion2 decks32 decks
3%synergy
Live or Die
5.6%inclusion2 decks36 decks
5%synergy
Defabricate
5.6%inclusion2 decks36 decks
5%synergy
Sinister Sabotage
5.6%inclusion2 decks36 decks
5%synergy
Argivian Find
5.6%inclusion2 decks36 decks
5%synergy
Drown in the Loch
5.6%inclusion2 decks36 decks
3%synergy
Thought Scour
5.6%inclusion2 decks36 decks
4%synergy
Final Payment
5.6%inclusion2 decks36 decks
5%synergy
Sorceries
Time Wipe
33%inclusion12 decks36 decks
26%synergy
Sevinne's Reclamation
28%inclusion10 decks36 decks
19%synergy
Extinguish All Hope
19%inclusion7 decks36 decks
18%synergy
Dance of the Manse
19%inclusion7 decks36 decks
16%synergy
Resurgent Belief
17%inclusion6 decks36 decks
14%synergy
Open the Vaults
14%inclusion5 decks36 decks
12%synergy
Read the Bones
14%inclusion5 decks36 decks
9%synergy
Brilliant Restoration
14%inclusion5 decks36 decks
12%synergy
Damn
14%inclusion5 decks36 decks
-6%synergy
Final Vengeance
11%inclusion4 decks36 decks
11%synergy
Singularity Rupture
11%inclusion1 decks9 decks
9%synergy
Space-Time Anomaly
11%inclusion1 decks9 decks
9%synergy
Austere Command
8.3%inclusion3 decks36 decks
-1%synergy
Terminus
8.3%inclusion3 decks36 decks
4%synergy
Entreat the Angels
8.3%inclusion3 decks36 decks
6%synergy
Aminatou's Augury
8.3%inclusion3 decks36 decks
7%synergy
Legions to Ashes
8.3%inclusion3 decks36 decks
8%synergy
Commune with Evil
8.3%inclusion3 decks36 decks
8%synergy
Cleansing Meditation
8.3%inclusion3 decks36 decks
8%synergy
Diabolic Vision
8.3%inclusion3 decks36 decks
6%synergy
Night's Whisper
8.3%inclusion3 decks36 decks
6%synergy
Ponder
5.6%inclusion2 decks36 decks
-4%synergy
Fascination
5.6%inclusion2 decks36 decks
5%synergy
Winds of Abandon
5.6%inclusion2 decks36 decks
4%synergy
Painful Truths
5.6%inclusion2 decks36 decks
3%synergy
Buried Alive
5.6%inclusion2 decks36 decks
1%synergy
Hour of Revelation
5.6%inclusion2 decks36 decks
5%synergy
Breakthrough
5.6%inclusion2 decks36 decks
5%synergy
Windfall
5.6%inclusion2 decks36 decks
-8%synergy
Feed the Swarm
5.6%inclusion2 decks36 decks
3%synergy
Portent
5.6%inclusion2 decks36 decks
2%synergy
Notion Rain
5.6%inclusion2 decks36 decks
5%synergy
Unmarked Grave
5.6%inclusion2 decks36 decks
4%synergy
Compulsive Research
5.6%inclusion2 decks36 decks
5%synergy
Utility Artifacts
Wayfarer's Bauble
19%inclusion7 decks36 decks
11%synergy
Perpetual Timepiece
17%inclusion6 decks36 decks
16%synergy
Brainstone
8.3%inclusion3 decks36 decks
7%synergy
The Everflowing Well
5.6%inclusion2 decks36 decks
5%synergy
Cloud Key
5.6%inclusion2 decks36 decks
2%synergy
Key to the City
5.6%inclusion2 decks36 decks
5%synergy
Bident of Thassa
5.6%inclusion2 decks36 decks
-3%synergy
Enchantments
Defiled Crypt // Cadaver Lab
36%inclusion13 decks36 decks
35%synergy
Stillness in Motion
36%inclusion5 decks14 decks
35%synergy
Grasp of Fate
33%inclusion12 decks36 decks
27%synergy
Estrid's Invocation
33%inclusion12 decks36 decks
29%synergy
Ethereal Armor
33%inclusion12 decks36 decks
29%synergy
Shark Typhoon
31%inclusion11 decks36 decks
25%synergy
Bottomless Pool // Locker Room
31%inclusion11 decks36 decks
28%synergy
Seal of Removal
31%inclusion11 decks36 decks
30%synergy
Dress Down
31%inclusion11 decks36 decks
28%synergy
Cacophony Unleashed
31%inclusion11 decks36 decks
29%synergy
Imprisoned in the Moon
31%inclusion11 decks36 decks
24%synergy
The Tale of Tamiyo
28%inclusion10 decks36 decks
27%synergy
Sphere of Safety
28%inclusion10 decks36 decks
18%synergy
All That Glitters
28%inclusion10 decks36 decks
19%synergy
Secret Arcade // Dusty Parlor
28%inclusion10 decks36 decks
23%synergy
Unable to Scream
25%inclusion9 decks36 decks
24%synergy
Ballad of the Black Flag
22%inclusion8 decks36 decks
22%synergy
Timely Ward
22%inclusion8 decks36 decks
17%synergy
Ripples of Undeath
19%inclusion7 decks36 decks
17%synergy
Extravagant Replication
19%inclusion7 decks36 decks
14%synergy
King Narfi's Betrayal
19%inclusion7 decks36 decks
19%synergy
The Restoration of Eiganjo
19%inclusion7 decks36 decks
19%synergy
Cast Out
19%inclusion7 decks36 decks
16%synergy
Spirit-Sister's Call
17%inclusion6 decks36 decks
15%synergy
Monologue Tax
17%inclusion6 decks36 decks
11%synergy
The Bath Song
17%inclusion6 decks36 decks
16%synergy
One with the Multiverse
17%inclusion6 decks36 decks
12%synergy
Cramped Vents // Access Maze
17%inclusion6 decks36 decks
14%synergy
Elspeth Conquers Death
17%inclusion6 decks36 decks
16%synergy
Copy Enchantment
17%inclusion6 decks36 decks
12%synergy
Derelict Attic // Widow's Walk
17%inclusion6 decks36 decks
16%synergy
Restricted Office // Lecture Hall
17%inclusion6 decks36 decks
14%synergy
Propaganda
17%inclusion6 decks36 decks
-10%synergy
Genesis of the Daleks
14%inclusion5 decks36 decks
14%synergy
Hopeless Nightmare
14%inclusion5 decks36 decks
14%synergy
Amphibian Downpour
14%inclusion5 decks36 decks
9%synergy
Vessel of Paramnesia
14%inclusion5 decks36 decks
14%synergy
Curse of Silence
14%inclusion5 decks36 decks
14%synergy
Glasswing Grace
14%inclusion5 decks36 decks
11%synergy
Soul Snare
14%inclusion5 decks36 decks
14%synergy
Meat Locker // Drowned Diner
14%inclusion5 decks36 decks
13%synergy
Phyrexian Arena
14%inclusion5 decks36 decks
0%synergy
Darksteel Mutation
11%inclusion4 decks36 decks
5%synergy
The Phasing of Zhalfir
11%inclusion4 decks36 decks
11%synergy
Birth of the Imperium
11%inclusion4 decks36 decks
9%synergy
Fraying Sanity
11%inclusion4 decks36 decks
11%synergy
Historian's Boon
11%inclusion4 decks36 decks
11%synergy
Polluted Cistern // Dim Oubliette
11%inclusion4 decks36 decks
11%synergy
Ghostly Prison
11%inclusion4 decks36 decks
-10%synergy
Tymaret Calls the Dead
11%inclusion4 decks36 decks
11%synergy
Battles
Invasion of Theros
17%inclusion6 decks36 decks
15%synergy
Utility Lands
Bojuka Bog
33%inclusion12 decks36 decks
6%synergy
Hall of Heliod's Generosity
28%inclusion10 decks36 decks
15%synergy
Halimar Depths
17%inclusion6 decks36 decks
12%synergy
Nephalia Drownyard
8.3%inclusion3 decks36 decks
8%synergy
Drownyard Temple
5.6%inclusion2 decks36 decks
5%synergy
Barren Moor
5.6%inclusion2 decks36 decks
4%synergy
Secluded Steppe
5.6%inclusion2 decks36 decks
4%synergy
Dakmor Salvage
5.6%inclusion2 decks36 decks
5%synergy
Mana Artifacts
Arcane Signet
78%inclusion28 decks36 decks
-10%synergy
Sol Ring
72%inclusion26 decks36 decks
-18%synergy
Azorius Signet
61%inclusion22 decks36 decks
28%synergy
Orzhov Signet
61%inclusion22 decks36 decks
26%synergy
Dimir Signet
50%inclusion18 decks36 decks
17%synergy
Talisman of Progress
36%inclusion13 decks36 decks
-6%synergy
Mind Stone
33%inclusion12 decks36 decks
20%synergy
Talisman of Dominance
31%inclusion11 decks36 decks
-18%synergy
Commander's Sphere
28%inclusion10 decks36 decks
8%synergy
Talisman of Hierarchy
28%inclusion10 decks36 decks
-15%synergy
Fellwar Stone
22%inclusion8 decks36 decks
-12%synergy
Obelisk of Esper
8.3%inclusion3 decks36 decks
7%synergy
Lands
Island
100%inclusion36 decks36 decks
7%synergy
Plains
100%inclusion36 decks36 decks
9%synergy
Swamp
100%inclusion36 decks36 decks
9%synergy
Command Tower
92%inclusion33 decks36 decks
-1%synergy
Arcane Sanctum
72%inclusion26 decks36 decks
18%synergy
Terramorphic Expanse
64%inclusion23 decks36 decks
47%synergy
Prairie Stream
53%inclusion19 decks36 decks
12%synergy
Evolving Wilds
53%inclusion19 decks36 decks
27%synergy
Exotic Orchard
50%inclusion18 decks36 decks
-8%synergy
Contaminated Landscape
50%inclusion18 decks36 decks
35%synergy
Temple of Enlightenment
47%inclusion17 decks36 decks
30%synergy
Dimir Aqueduct
47%inclusion17 decks36 decks
33%synergy
Obscura Storefront
47%inclusion17 decks36 decks
37%synergy
Caves of Koilos
44%inclusion16 decks36 decks
9%synergy
Tainted Isle
42%inclusion15 decks36 decks
35%synergy
Temple of Silence
42%inclusion15 decks36 decks
22%synergy
Azorius Chancery
42%inclusion15 decks36 decks
27%synergy
Temple of Deceit
42%inclusion15 decks36 decks
23%synergy
Orzhov Basilica
42%inclusion15 decks36 decks
26%synergy
Tainted Field
39%inclusion14 decks36 decks
32%synergy
Adarkar Wastes
36%inclusion13 decks36 decks
6%synergy
Glacial Fortress
36%inclusion13 decks36 decks
-3%synergy
Sunken Hollow
36%inclusion13 decks36 decks
-3%synergy
Isolated Chapel
33%inclusion12 decks36 decks
-5%synergy
Shineshadow Snarl
31%inclusion11 decks36 decks
20%synergy
Choked Estuary
28%inclusion10 decks36 decks
12%synergy
Ash Barrens
25%inclusion9 decks36 decks
14%synergy
Myriad Landscape
22%inclusion8 decks36 decks
13%synergy
Port Town
22%inclusion8 decks36 decks
5%synergy
Drowned Catacomb
22%inclusion8 decks36 decks
-13%synergy
Darkwater Catacombs
19%inclusion7 decks36 decks
5%synergy
Underground River
19%inclusion7 decks36 decks
-13%synergy
Fetid Pools
19%inclusion7 decks36 decks
13%synergy
Thriving Moor
19%inclusion7 decks36 decks
15%synergy
Irrigated Farmland
19%inclusion7 decks36 decks
12%synergy
Thriving Isle
19%inclusion7 decks36 decks
15%synergy
Path of Ancestry
17%inclusion6 decks36 decks
-11%synergy
Skycloud Expanse
17%inclusion6 decks36 decks
2%synergy
Thriving Heath
17%inclusion6 decks36 decks
12%synergy
Escape Tunnel
14%inclusion5 decks36 decks
13%synergy
Valgavoth's Lair
14%inclusion5 decks36 decks
11%synergy
Glasswing Grace
14%inclusion5 decks36 decks
11%synergy
Desolate Mire
11%inclusion4 decks36 decks
5%synergy
Sunlit Marsh
11%inclusion4 decks36 decks
7%synergy
Tranquil Cove
11%inclusion4 decks36 decks
5%synergy
Contaminated Aquifer
8.3%inclusion3 decks36 decks
5%synergy
Esper Panorama
8.3%inclusion3 decks36 decks
5%synergy
Scoured Barrens
8.3%inclusion3 decks36 decks
2%synergy
River of Tears
5.6%inclusion2 decks36 decks
3%synergy
Promising Vein
5.6%inclusion2 decks36 decks
5%synergy
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