The Master of Keys (Commander) - Budget Optimized Combo

The Master of Keys
Rank #315
3decks
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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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Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Gifts Ungiven
33%inclusion1 decks3 decks
31%synergy
Notion Thief
33%inclusion1 decks3 decks
26%synergy
Creatures
Scrabbling Skullcrab
100%inclusion3 decks3 decks
99%synergy
Leonin Relic-Warder
100%inclusion3 decks3 decks
100%synergy
Laboratory Maniac
100%inclusion3 decks3 decks
97%synergy
Entity Tracker
100%inclusion3 decks3 decks
93%synergy
Lotho, Corrupt Shirriff
67%inclusion2 decks3 decks
50%synergy
Gravebreaker Lamia
67%inclusion2 decks3 decks
66%synergy
Gremlin Tamer
67%inclusion2 decks3 decks
66%synergy
Abdel Adrian, Gorion's Ward
67%inclusion2 decks3 decks
65%synergy
Starnheim Courser
33%inclusion1 decks3 decks
29%synergy
Witch Enchanter
33%inclusion1 decks3 decks
26%synergy
Displacer Kitten
33%inclusion1 decks3 decks
26%synergy
Protean Thaumaturge
33%inclusion1 decks3 decks
33%synergy
Hoarding Broodlord
33%inclusion1 decks3 decks
31%synergy
Starfield Mystic
33%inclusion1 decks3 decks
27%synergy
Overlord of the Floodpits
33%inclusion1 decks3 decks
29%synergy
Phyrexian Metamorph
33%inclusion1 decks3 decks
24%synergy
Valley Floodcaller
33%inclusion1 decks3 decks
29%synergy
Archon of Sun's Grace
33%inclusion1 decks3 decks
29%synergy
Doom Whisperer
33%inclusion1 decks3 decks
32%synergy
Inquisitive Glimmer
33%inclusion1 decks3 decks
26%synergy
Mirrorhall Mimic
33%inclusion1 decks3 decks
33%synergy
Demon of Fate's Design
33%inclusion1 decks3 decks
28%synergy
Hydroelectric Specimen
33%inclusion1 decks3 decks
31%synergy
Sage of Mysteries
33%inclusion1 decks3 decks
33%synergy
Soaring Lightbringer
33%inclusion1 decks3 decks
28%synergy
Ashiok's Reaper
33%inclusion1 decks3 decks
33%synergy
Hedron Crab
33%inclusion1 decks3 decks
33%synergy
Shadow Kin
33%inclusion1 decks3 decks
33%synergy
Stitcher's Supplier
33%inclusion1 decks3 decks
33%synergy
Mesa Enchantress
33%inclusion1 decks3 decks
24%synergy
Victor, Valgavoth's Seneschal
33%inclusion1 decks3 decks
31%synergy
Ajani's Chosen
33%inclusion1 decks3 decks
33%synergy
Enduring Curiosity
33%inclusion1 decks3 decks
26%synergy
Appendage Amalgam
33%inclusion1 decks3 decks
33%synergy
Balemurk Leech
33%inclusion1 decks3 decks
33%synergy
Warehouse Tabby
33%inclusion1 decks3 decks
33%synergy
Phantasmal Image
33%inclusion1 decks3 decks
31%synergy
Grim Guardian
33%inclusion1 decks3 decks
31%synergy
Ghostly Dancers
33%inclusion1 decks3 decks
31%synergy
Mangara, the Diplomat
33%inclusion1 decks3 decks
32%synergy
Zur, Eternal Schemer
33%inclusion1 decks3 decks
30%synergy
Timestream Navigator
33%inclusion1 decks3 decks
33%synergy
Ondu Spiritdancer
33%inclusion1 decks3 decks
27%synergy
Burning-Rune Demon
33%inclusion1 decks3 decks
33%synergy
Stinkweed Imp
33%inclusion1 decks3 decks
33%synergy
Blood Pet
33%inclusion1 decks3 decks
33%synergy
Psychic Frog
33%inclusion1 decks3 decks
27%synergy
Popular Egotist
33%inclusion1 decks3 decks
33%synergy
Ledger Shredder
33%inclusion1 decks3 decks
24%synergy
Mindwrack Harpy
33%inclusion1 decks3 decks
33%synergy
Instants
Dark Ritual
100%inclusion3 decks3 decks
81%synergy
An Offer You Can't Refuse
67%inclusion2 decks3 decks
40%synergy
Negate
67%inclusion2 decks3 decks
50%synergy
Swords to Plowshares
67%inclusion2 decks3 decks
-2%synergy
Mana Leak
67%inclusion2 decks3 decks
65%synergy
Counterspell
67%inclusion2 decks3 decks
26%synergy
Path to Exile
67%inclusion2 decks3 decks
25%synergy
Sacrifice
33%inclusion1 decks3 decks
33%synergy
Muddle the Mixture
33%inclusion1 decks3 decks
29%synergy
Shred Memory
33%inclusion1 decks3 decks
33%synergy
Dovin's Veto
33%inclusion1 decks3 decks
9%synergy
Retraction Helix
33%inclusion1 decks3 decks
33%synergy
Songs of the Damned
33%inclusion1 decks3 decks
33%synergy
Lim-Dûl's Vault
33%inclusion1 decks3 decks
30%synergy
Razorgrass Ambush
33%inclusion1 decks3 decks
32%synergy
Culling the Weak
33%inclusion1 decks3 decks
32%synergy
Darkblast
33%inclusion1 decks3 decks
33%synergy
Winds of Rebuke
33%inclusion1 decks3 decks
33%synergy
Dispel
33%inclusion1 decks3 decks
30%synergy
Banishing Knack
33%inclusion1 decks3 decks
33%synergy
Opt
33%inclusion1 decks3 decks
29%synergy
Perplex
33%inclusion1 decks3 decks
32%synergy
Jwari Disruption
33%inclusion1 decks3 decks
33%synergy
Delay
33%inclusion1 decks3 decks
31%synergy
Wash Away
33%inclusion1 decks3 decks
32%synergy
Disenchant
33%inclusion1 decks3 decks
32%synergy
Arcane Denial
33%inclusion1 decks3 decks
13%synergy
Get Out
33%inclusion1 decks3 decks
33%synergy
Sink into Stupor
33%inclusion1 decks3 decks
21%synergy
Spell Pierce
33%inclusion1 decks3 decks
31%synergy
Miscast
33%inclusion1 decks3 decks
32%synergy
Waterlogged Teachings
33%inclusion1 decks3 decks
29%synergy
Sorceries
Windfall
67%inclusion2 decks3 decks
53%synergy
Lively Dirge
33%inclusion1 decks3 decks
32%synergy
Unmarked Grave
33%inclusion1 decks3 decks
32%synergy
Sevinne's Reclamation
33%inclusion1 decks3 decks
25%synergy
Dread Return
33%inclusion1 decks3 decks
31%synergy
Feed the Swarm
33%inclusion1 decks3 decks
30%synergy
Demonic Counsel
33%inclusion1 decks3 decks
32%synergy
Final Parting
33%inclusion1 decks3 decks
33%synergy
Toxic Deluge
33%inclusion1 decks3 decks
14%synergy
Damn
33%inclusion1 decks3 decks
13%synergy
Utility Artifacts
Wishclaw Talisman
67%inclusion2 decks3 decks
58%synergy
Mirage Mirror
33%inclusion1 decks3 decks
32%synergy
Helm of Awakening
33%inclusion1 decks3 decks
33%synergy
Enchantments
Court of Cunning
67%inclusion2 decks3 decks
66%synergy
Ripples of Undeath
67%inclusion2 decks3 decks
64%synergy
Tinybones Joins Up
67%inclusion2 decks3 decks
65%synergy
Touch the Spirit Realm
67%inclusion2 decks3 decks
64%synergy
Necromancy
67%inclusion2 decks3 decks
62%synergy
Mystic Remora
67%inclusion2 decks3 decks
45%synergy
Amphibian Downpour
67%inclusion2 decks3 decks
62%synergy
Static Prison
67%inclusion2 decks3 decks
66%synergy
Animate Dead
67%inclusion2 decks3 decks
57%synergy
Dress Down
67%inclusion2 decks3 decks
64%synergy
Roiling Dragonstorm
50%inclusion1 decks2 decks
50%synergy
Stillness in Motion
50%inclusion1 decks2 decks
50%synergy
Endless Evil
33%inclusion1 decks3 decks
33%synergy
Founding the Third Path
33%inclusion1 decks3 decks
33%synergy
Hesitation
33%inclusion1 decks3 decks
33%synergy
Cacophony Unleashed
33%inclusion1 decks3 decks
32%synergy
Extravagant Replication
33%inclusion1 decks3 decks
28%synergy
Out of the Tombs
33%inclusion1 decks3 decks
33%synergy
Font of Fortunes
33%inclusion1 decks3 decks
33%synergy
Curse of the Bloody Tome
33%inclusion1 decks3 decks
33%synergy
Authority of the Consuls
33%inclusion1 decks3 decks
22%synergy
Blind Obedience
33%inclusion1 decks3 decks
21%synergy
Hopeless Nightmare
33%inclusion1 decks3 decks
33%synergy
Thought Reflection
33%inclusion1 decks3 decks
33%synergy
Followed Footsteps
33%inclusion1 decks3 decks
32%synergy
Mirrormade
33%inclusion1 decks3 decks
23%synergy
Estrid's Invocation
33%inclusion1 decks3 decks
29%synergy
Timely Ward
33%inclusion1 decks3 decks
28%synergy
March of the Canonized
33%inclusion1 decks3 decks
33%synergy
Screams from Within
33%inclusion1 decks3 decks
33%synergy
Seal of Cleansing
33%inclusion1 decks3 decks
32%synergy
Enchanted Evening
33%inclusion1 decks3 decks
32%synergy
Ever-Watching Threshold
33%inclusion1 decks3 decks
33%synergy
Chthonian Nightmare
33%inclusion1 decks3 decks
33%synergy
Secret Arcade // Dusty Parlor
33%inclusion1 decks3 decks
28%synergy
Nowhere to Run
33%inclusion1 decks3 decks
32%synergy
Hallowed Haunting
33%inclusion1 decks3 decks
31%synergy
Into the Pit
33%inclusion1 decks3 decks
33%synergy
Dollmaker's Shop // Porcelain Gallery
33%inclusion1 decks3 decks
32%synergy
Ghostly Prison
33%inclusion1 decks3 decks
12%synergy
Phyrexian Arena
33%inclusion1 decks3 decks
19%synergy
Seal of Removal
33%inclusion1 decks3 decks
33%synergy
Leyline of the Void
33%inclusion1 decks3 decks
32%synergy
Tortured Existence
33%inclusion1 decks3 decks
27%synergy
Planeswalkers
Teferi, Time Raveler
33%inclusion1 decks3 decks
25%synergy
Utility Lands
Cephalid Coliseum
67%inclusion2 decks3 decks
63%synergy
Emergence Zone
33%inclusion1 decks3 decks
31%synergy
Mana Artifacts
Arcane Signet
100%inclusion3 decks3 decks
12%synergy
Sol Ring
100%inclusion3 decks3 decks
10%synergy
Talisman of Progress
67%inclusion2 decks3 decks
24%synergy
Talisman of Dominance
67%inclusion2 decks3 decks
18%synergy
Fellwar Stone
67%inclusion2 decks3 decks
33%synergy
Talisman of Hierarchy
67%inclusion2 decks3 decks
24%synergy
Commander's Sphere
33%inclusion1 decks3 decks
14%synergy
Machine God's Effigy
33%inclusion1 decks3 decks
32%synergy
Dimir Signet
33%inclusion1 decks3 decks
0%synergy
Mind Stone
33%inclusion1 decks3 decks
20%synergy
Orzhov Signet
33%inclusion1 decks3 decks
-2%synergy
Azorius Signet
33%inclusion1 decks3 decks
1%synergy
Lands
Swamp
100%inclusion3 decks3 decks
9%synergy
Island
100%inclusion3 decks3 decks
7%synergy
Plains
100%inclusion3 decks3 decks
9%synergy
Glacial Fortress
67%inclusion2 decks3 decks
27%synergy
Command Tower
67%inclusion2 decks3 decks
-26%synergy
Terramorphic Expanse
67%inclusion2 decks3 decks
50%synergy
Exotic Orchard
67%inclusion2 decks3 decks
8%synergy
Caves of Koilos
67%inclusion2 decks3 decks
31%synergy
Prairie Stream
67%inclusion2 decks3 decks
26%synergy
Isolated Chapel
67%inclusion2 decks3 decks
29%synergy
Drowned Catacomb
67%inclusion2 decks3 decks
32%synergy
Underground River
67%inclusion2 decks3 decks
34%synergy
Evolving Wilds
67%inclusion2 decks3 decks
41%synergy
Adarkar Wastes
67%inclusion2 decks3 decks
36%synergy
Witch Enchanter
33%inclusion1 decks3 decks
26%synergy
Desolate Mire
33%inclusion1 decks3 decks
28%synergy
Port Town
33%inclusion1 decks3 decks
16%synergy
Darkwater Catacombs
33%inclusion1 decks3 decks
19%synergy
Spire of Industry
33%inclusion1 decks3 decks
25%synergy
Hydroelectric Specimen
33%inclusion1 decks3 decks
31%synergy
Ash Barrens
33%inclusion1 decks3 decks
23%synergy
Razorgrass Ambush
33%inclusion1 decks3 decks
32%synergy
Skycloud Expanse
33%inclusion1 decks3 decks
19%synergy
Arcane Sanctum
33%inclusion1 decks3 decks
-21%synergy
River of Tears
33%inclusion1 decks3 decks
31%synergy
Jwari Disruption
33%inclusion1 decks3 decks
33%synergy
Sink into Stupor
33%inclusion1 decks3 decks
21%synergy
Shineshadow Snarl
33%inclusion1 decks3 decks
23%synergy
Sunken Hollow
33%inclusion1 decks3 decks
-6%synergy
Choked Estuary
33%inclusion1 decks3 decks
17%synergy
Obscura Storefront
33%inclusion1 decks3 decks
23%synergy
Waterlogged Teachings
33%inclusion1 decks3 decks
29%synergy
Watery Grave
33%inclusion1 decks3 decks
-16%synergy
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