Seizan, Perverter of Truth (Commander) - Core Group Slug

Seizan, Perverter of Truth
Rank #1,373
15decks
Background image for Building Specter Typal with Urgoros, the Empty One
Jeremy Rowe
Oct 10, 2025
Building Specter Typal with Urgoros, the Empty One
Wanna build a typal Commander deck with a spooky creature type for Halloween? We've got you covered with this Specter deck, led by Urgoros.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Oft-Nabbed Goat
50%inclusion1 decks2 decks
49%synergy
High Synergy Cards
Underworld Dreams
100%inclusion15 decks15 decks
94%synergy
Fate Unraveler
93%inclusion14 decks15 decks
90%synergy
Psychosis Crawler
93%inclusion14 decks15 decks
89%synergy
Howling Mine
87%inclusion13 decks15 decks
83%synergy
Ob Nixilis, the Hate-Twisted
80%inclusion12 decks15 decks
77%synergy
Scrawling Crawler
79%inclusion11 decks14 decks
75%synergy
Master of the Feast
73%inclusion11 decks15 decks
71%synergy
Font of Mythos
67%inclusion10 decks15 decks
64%synergy
Temple Bell
67%inclusion10 decks15 decks
64%synergy
Ebony Owl Netsuke
60%inclusion9 decks15 decks
60%synergy
Top Cards
Baleful Mastery
67%inclusion10 decks15 decks
58%synergy
Dark Deal
67%inclusion10 decks15 decks
55%synergy
Feed the Swarm
60%inclusion9 decks15 decks
9%synergy
Megrim
60%inclusion9 decks15 decks
55%synergy
Crypt Ghast
60%inclusion9 decks15 decks
12%synergy
Rankle, Master of Pranks
60%inclusion9 decks15 decks
47%synergy
Sign in Blood
60%inclusion9 decks15 decks
24%synergy
Venser's Journal
60%inclusion9 decks15 decks
58%synergy
Viseling
53%inclusion8 decks15 decks
53%synergy
Price of Knowledge
53%inclusion8 decks15 decks
53%synergy
Game Changers
Tergrid, God of Fright
6.7%inclusion1 decks15 decks
-1%synergy
Orcish Bowmasters
6.7%inclusion1 decks15 decks
-7%synergy
Creatures
Sangromancer
53%inclusion8 decks15 decks
42%synergy
Gixian Puppeteer
53%inclusion8 decks15 decks
49%synergy
Kagemaro, First to Suffer
53%inclusion8 decks15 decks
53%synergy
Gray Merchant of Asphodel
47%inclusion7 decks15 decks
-5%synergy
Howling Golem
40%inclusion6 decks15 decks
39%synergy
Zenith Chronicler
40%inclusion6 decks15 decks
39%synergy
Gnat Miser
40%inclusion6 decks15 decks
37%synergy
Dream Devourer
33%inclusion5 decks15 decks
32%synergy
Dread Presence
33%inclusion5 decks15 decks
19%synergy
Locust Miser
33%inclusion5 decks15 decks
32%synergy
PuPu UFO
30%inclusion3 decks10 decks
29%synergy
Solemn Simulacrum
27%inclusion4 decks15 decks
4%synergy
Sheoldred, the Apocalypse
27%inclusion4 decks15 decks
12%synergy
Kami of Jealous Thirst
27%inclusion4 decks15 decks
26%synergy
Nirkana Revenant
27%inclusion4 decks15 decks
15%synergy
Boggart Trawler
27%inclusion4 decks15 decks
18%synergy
Fell Specter
27%inclusion4 decks15 decks
23%synergy
Elder Brain
27%inclusion4 decks15 decks
24%synergy
Bloodgift Demon
27%inclusion4 decks15 decks
24%synergy
Leaden Myr
27%inclusion4 decks15 decks
21%synergy
Erebos, God of the Dead
20%inclusion3 decks15 decks
15%synergy
Walking Atlas
20%inclusion3 decks15 decks
19%synergy
Burnished Hart
20%inclusion3 decks15 decks
12%synergy
Gix, Yawgmoth Praetor
20%inclusion3 decks15 decks
15%synergy
Keen Duelist
20%inclusion3 decks15 decks
18%synergy
Raven Eagle
14%inclusion1 decks7 decks
13%synergy
Syr Konrad, the Grim
13%inclusion2 decks15 decks
-7%synergy
Fell Stinger
13%inclusion2 decks15 decks
11%synergy
The Raven Man
13%inclusion2 decks15 decks
8%synergy
Gurgling Anointer
13%inclusion2 decks15 decks
13%synergy
Starving Revenant
13%inclusion2 decks15 decks
12%synergy
Hunted Horror
13%inclusion2 decks15 decks
13%synergy
Blood Seeker
13%inclusion2 decks15 decks
12%synergy
Phyrexian Obliterator
13%inclusion2 decks15 decks
2%synergy
Ophiomancer
13%inclusion2 decks15 decks
-3%synergy
Mindslicer
13%inclusion2 decks15 decks
9%synergy
Vilis, Broker of Blood
13%inclusion2 decks15 decks
0%synergy
Nightshade Harvester
13%inclusion2 decks15 decks
13%synergy
Massacre Wurm
13%inclusion2 decks15 decks
-4%synergy
Archfiend of Despair
13%inclusion2 decks15 decks
11%synergy
Slaughter Specialist
13%inclusion2 decks15 decks
11%synergy
Doomsday Excruciator
13%inclusion2 decks15 decks
11%synergy
Skirge Familiar
13%inclusion2 decks15 decks
8%synergy
Hunted Bonebrute
13%inclusion2 decks15 decks
12%synergy
Vislor Turlough
13%inclusion2 decks15 decks
13%synergy
Necrogoyf
13%inclusion2 decks15 decks
9%synergy
Zodiark, Umbral God
10%inclusion1 decks10 decks
2%synergy
Qarsi Revenant
8.3%inclusion1 decks12 decks
3%synergy
Unstoppable Slasher
7.1%inclusion1 decks14 decks
2%synergy
Gonti, Night Minister
7.1%inclusion1 decks14 decks
4%synergy
Instants
Dark Ritual
53%inclusion8 decks15 decks
-13%synergy
Blood Pact
53%inclusion8 decks15 decks
49%synergy
Withering Torment
50%inclusion7 decks14 decks
18%synergy
Imp's Mischief
47%inclusion7 decks15 decks
22%synergy
Defile
47%inclusion7 decks15 decks
10%synergy
Darkness
47%inclusion7 decks15 decks
37%synergy
Infernal Grasp
33%inclusion5 decks15 decks
8%synergy
Sudden Spoiling
33%inclusion5 decks15 decks
24%synergy
Go for the Throat
27%inclusion4 decks15 decks
3%synergy
Doom Blade
27%inclusion4 decks15 decks
19%synergy
Soul Shatter
27%inclusion4 decks15 decks
15%synergy
Fell the Profane
20%inclusion3 decks15 decks
1%synergy
Consuming Corruption
20%inclusion3 decks15 decks
4%synergy
Murder
20%inclusion3 decks15 decks
10%synergy
Consumed by Greed
20%inclusion3 decks15 decks
19%synergy
Archenemy's Charm
20%inclusion2 decks10 decks
11%synergy
Sheoldred's Edict
13%inclusion2 decks15 decks
-1%synergy
Hellish Rebuke
13%inclusion2 decks15 decks
12%synergy
Slaughter Pact
13%inclusion2 decks15 decks
11%synergy
March of Wretched Sorrow
13%inclusion2 decks15 decks
12%synergy
Malakir Rebirth
13%inclusion2 decks15 decks
-9%synergy
Saw in Half
13%inclusion2 decks15 decks
5%synergy
Overkill
10%inclusion1 decks10 decks
3%synergy
Hagra Mauling
6.7%inclusion1 decks15 decks
2%synergy
Hero's Downfall
6.7%inclusion1 decks15 decks
0%synergy
Deadly Rollick
6.7%inclusion1 decks15 decks
-17%synergy
Force of Despair
6.7%inclusion1 decks15 decks
-1%synergy
Malicious Affliction
6.7%inclusion1 decks15 decks
4%synergy
Simulacrum
6.7%inclusion1 decks15 decks
6%synergy
Entomb
6.7%inclusion1 decks15 decks
-5%synergy
Sickening Shoal
6.7%inclusion1 decks15 decks
6%synergy
Snuff Out
6.7%inclusion1 decks15 decks
-6%synergy
Poison the Cup
6.7%inclusion1 decks15 decks
6%synergy
Drag to the Underworld
6.7%inclusion1 decks15 decks
5%synergy
Bitter Triumph
6.7%inclusion1 decks15 decks
-3%synergy
Tendrils of Corruption
6.7%inclusion1 decks15 decks
3%synergy
Lethal Scheme
6.7%inclusion1 decks15 decks
4%synergy
Debt to the Kami
6.7%inclusion1 decks15 decks
6%synergy
Wail of the Nim
6.7%inclusion1 decks15 decks
6%synergy
Erebos's Intervention
6.7%inclusion1 decks15 decks
4%synergy
Nocturnal Hunger
6.7%inclusion1 decks15 decks
6%synergy
Feign Death
6.7%inclusion1 decks15 decks
-1%synergy
Tragic Slip
6.7%inclusion1 decks15 decks
-13%synergy
Wretched Confluence
6.7%inclusion1 decks15 decks
6%synergy
Sorceries
Bubbling Muck
47%inclusion7 decks15 decks
31%synergy
Peer into the Abyss
40%inclusion6 decks15 decks
29%synergy
Damnable Pact
40%inclusion6 decks15 decks
36%synergy
Mutilate
40%inclusion6 decks15 decks
22%synergy
Pain's Reward
33%inclusion5 decks15 decks
33%synergy
Exsanguinate
33%inclusion5 decks15 decks
9%synergy
Syphon Mind
33%inclusion5 decks15 decks
21%synergy
Insatiable Avarice
33%inclusion5 decks15 decks
21%synergy
Night's Whisper
27%inclusion4 decks15 decks
2%synergy
Deadly Tempest
27%inclusion4 decks15 decks
24%synergy
Virtus's Maneuver
20%inclusion3 decks15 decks
19%synergy
Profane Tutor
20%inclusion3 decks15 decks
16%synergy
Coiling Rebirth
20%inclusion3 decks15 decks
18%synergy
Nightmare Unmaking
20%inclusion3 decks15 decks
20%synergy
Read the Bones
20%inclusion3 decks15 decks
3%synergy
Reanimate
20%inclusion3 decks15 decks
-19%synergy
Toxic Deluge
20%inclusion3 decks15 decks
-17%synergy
Awaken the Erstwhile
13%inclusion2 decks15 decks
11%synergy
Rush of Dread
13%inclusion2 decks15 decks
10%synergy
Torment of Hailfire
13%inclusion2 decks15 decks
-2%synergy
Infernal Offering
13%inclusion2 decks15 decks
13%synergy
Fraying Omnipotence
13%inclusion2 decks15 decks
11%synergy
Killing Wave
13%inclusion2 decks15 decks
11%synergy
Scheming Symmetry
13%inclusion2 decks15 decks
9%synergy
Cruelclaw's Heist
13%inclusion2 decks15 decks
11%synergy
Damnation
13%inclusion2 decks15 decks
-7%synergy
Exhume
13%inclusion2 decks15 decks
11%synergy
Circle of Power
10%inclusion1 decks10 decks
9%synergy
Blasphemous Edict
7.1%inclusion1 decks14 decks
-10%synergy
Incarnation Technique
6.7%inclusion1 decks15 decks
5%synergy
Lively Dirge
6.7%inclusion1 decks15 decks
3%synergy
Neverending Torment
6.7%inclusion1 decks15 decks
7%synergy
Temporal Extortion
6.7%inclusion1 decks15 decks
4%synergy
Diabolic Tutor
6.7%inclusion1 decks15 decks
-8%synergy
Patriarch's Bidding
6.7%inclusion1 decks15 decks
2%synergy
Eldritch Pact
6.7%inclusion1 decks15 decks
6%synergy
Foreboding Fruit
6.7%inclusion1 decks15 decks
6%synergy
Dread Return
6.7%inclusion1 decks15 decks
-5%synergy
Crux of Fate
6.7%inclusion1 decks15 decks
5%synergy
Pox
6.7%inclusion1 decks15 decks
4%synergy
Vicious Rumors
6.7%inclusion1 decks15 decks
1%synergy
Agadeem's Awakening
6.7%inclusion1 decks15 decks
-1%synergy
Make an Example
6.7%inclusion1 decks15 decks
5%synergy
Head Games
6.7%inclusion1 decks15 decks
6%synergy
Painful Lesson
6.7%inclusion1 decks15 decks
6%synergy
Profane Command
6.7%inclusion1 decks15 decks
5%synergy
Harrowing Journey
6.7%inclusion1 decks15 decks
7%synergy
Mind Twist
6.7%inclusion1 decks15 decks
5%synergy
Caress of Phyrexia
6.7%inclusion1 decks15 decks
6%synergy
Stronghold Discipline
6.7%inclusion1 decks15 decks
7%synergy
Utility Artifacts
Jet Medallion
53%inclusion8 decks15 decks
-8%synergy
Ivory Tower
53%inclusion8 decks15 decks
53%synergy
Iron Maiden
53%inclusion8 decks15 decks
53%synergy
Teferi's Puzzle Box
47%inclusion7 decks15 decks
44%synergy
Misers' Cage
33%inclusion5 decks15 decks
33%synergy
Skullcage
33%inclusion5 decks15 decks
33%synergy
Horn of Greed
33%inclusion5 decks15 decks
32%synergy
Mindcrank
27%inclusion4 decks15 decks
21%synergy
Swiftfoot Boots
27%inclusion4 decks15 decks
-5%synergy
Black Vise
27%inclusion4 decks15 decks
26%synergy
Sword of War and Peace
20%inclusion3 decks15 decks
20%synergy
Geth's Grimoire
20%inclusion3 decks15 decks
13%synergy
Soul-Guide Lantern
13%inclusion2 decks15 decks
12%synergy
Wayfarer's Bauble
13%inclusion2 decks15 decks
-2%synergy
Hand of Vecna
13%inclusion2 decks15 decks
13%synergy
Spellbook
13%inclusion2 decks15 decks
12%synergy
Otherworld Atlas
13%inclusion2 decks15 decks
13%synergy
Expedition Map
13%inclusion2 decks15 decks
1%synergy
Anvil of Bogardan
13%inclusion2 decks15 decks
11%synergy
Ivory Crane Netsuke
13%inclusion2 decks15 decks
13%synergy
Lightning Greaves
13%inclusion2 decks15 decks
-20%synergy
Entropic Battlecruiser
10%inclusion1 decks10 decks
7%synergy
Requiem Monolith
10%inclusion1 decks10 decks
8%synergy
Genesis Chamber
6.7%inclusion1 decks15 decks
4%synergy
Elixir of Immortality
6.7%inclusion1 decks15 decks
4%synergy
Crawlspace
6.7%inclusion1 decks15 decks
6%synergy
Starforged Sword
6.7%inclusion1 decks15 decks
7%synergy
Eye of Vecna
6.7%inclusion1 decks15 decks
6%synergy
Cursed Rack
6.7%inclusion1 decks15 decks
7%synergy
The Immortal Sun
6.7%inclusion1 decks15 decks
6%synergy
Vedalken Orrery
6.7%inclusion1 decks15 decks
6%synergy
Grafdigger's Cage
6.7%inclusion1 decks15 decks
6%synergy
Wishclaw Talisman
6.7%inclusion1 decks15 decks
0%synergy
Library of Leng
6.7%inclusion1 decks15 decks
6%synergy
Bontu's Monument
6.7%inclusion1 decks15 decks
-21%synergy
Key to the City
6.7%inclusion1 decks15 decks
5%synergy
Sinister Monolith
6.7%inclusion1 decks15 decks
6%synergy
Resurrection Orb
6.7%inclusion1 decks15 decks
4%synergy
Darksteel Plate
6.7%inclusion1 decks15 decks
5%synergy
Champion's Helm
6.7%inclusion1 decks15 decks
5%synergy
Ghirapur Orrery
6.7%inclusion1 decks15 decks
6%synergy
Tempting Contract
6.7%inclusion1 decks15 decks
6%synergy
Alhammarret's Archive
6.7%inclusion1 decks15 decks
3%synergy
Empyrial Plate
6.7%inclusion1 decks15 decks
7%synergy
Memory Jar
6.7%inclusion1 decks15 decks
6%synergy
Demon's Horn
6.7%inclusion1 decks15 decks
2%synergy
Angel's Trumpet
6.7%inclusion1 decks15 decks
7%synergy
Basilisk Collar
6.7%inclusion1 decks15 decks
4%synergy
The Book of Vile Darkness
6.7%inclusion1 decks15 decks
6%synergy
Enchantments
Liliana's Caress
40%inclusion6 decks15 decks
34%synergy
Wound Reflection
33%inclusion5 decks15 decks
30%synergy
Raiders' Wake
33%inclusion5 decks15 decks
30%synergy
Waste Not
27%inclusion4 decks15 decks
16%synergy
Animate Dead
27%inclusion4 decks15 decks
9%synergy
Polluted Bonds
20%inclusion3 decks15 decks
18%synergy
Kaya's Ghostform
20%inclusion3 decks15 decks
10%synergy
No Mercy
20%inclusion3 decks15 decks
13%synergy
Mindless Conscription
20%inclusion3 decks15 decks
20%synergy
Painful Quandary
20%inclusion3 decks15 decks
10%synergy
Bloodchief Ascension
20%inclusion3 decks15 decks
11%synergy
Revenge of Ravens
20%inclusion3 decks15 decks
18%synergy
Hissing Miasma
20%inclusion3 decks15 decks
20%synergy
Phyrexian Arena
20%inclusion3 decks15 decks
-20%synergy
Black Market
13%inclusion2 decks15 decks
-8%synergy
Protection Racket
13%inclusion2 decks15 decks
13%synergy
Court of Ambition
13%inclusion2 decks15 decks
9%synergy
Curse of Disturbance
13%inclusion2 decks15 decks
12%synergy
Blessing of Leeches
13%inclusion2 decks15 decks
12%synergy
Curse of Fool's Wisdom
13%inclusion2 decks15 decks
13%synergy
Oubliette
13%inclusion2 decks15 decks
10%synergy
Dark Suspicions
13%inclusion2 decks15 decks
13%synergy
Triskaidekaphobia
13%inclusion2 decks15 decks
13%synergy
Marchesa's Decree
13%inclusion2 decks15 decks
13%synergy
Grievous Wound
7.1%inclusion1 decks14 decks
5%synergy
The Meathook Massacre
6.7%inclusion1 decks15 decks
-11%synergy
Greed
6.7%inclusion1 decks15 decks
0%synergy
Trespasser's Curse
6.7%inclusion1 decks15 decks
6%synergy
Ghoulish Impetus
6.7%inclusion1 decks15 decks
6%synergy
Tainted Remedy
6.7%inclusion1 decks15 decks
6%synergy
Sanguine Bond
6.7%inclusion1 decks15 decks
-5%synergy
Warlock Class
6.7%inclusion1 decks15 decks
5%synergy
Tribute to Horobi
6.7%inclusion1 decks15 decks
6%synergy
Bottomless Pit
6.7%inclusion1 decks15 decks
1%synergy
Blood Reckoning
6.7%inclusion1 decks15 decks
6%synergy
Black Market Connections
6.7%inclusion1 decks15 decks
-17%synergy
Curse of Shallow Graves
6.7%inclusion1 decks15 decks
6%synergy
Cunning Rhetoric
6.7%inclusion1 decks15 decks
4%synergy
Parasitic Impetus
6.7%inclusion1 decks15 decks
6%synergy
Planeswalkers
Ob Nixilis Reignited
20%inclusion3 decks15 decks
18%synergy
Professor Onyx
6.7%inclusion1 decks15 decks
1%synergy
Utility Lands
Reliquary Tower
87%inclusion13 decks15 decks
56%synergy
Bojuka Bog
67%inclusion10 decks15 decks
20%synergy
Geier Reach Sanitarium
60%inclusion9 decks15 decks
49%synergy
Mikokoro, Center of the Sea
60%inclusion9 decks15 decks
57%synergy
Cabal Stronghold
47%inclusion7 decks15 decks
12%synergy
Mortuary Mire
40%inclusion6 decks15 decks
27%synergy
Witch's Cottage
40%inclusion6 decks15 decks
15%synergy
Cabal Coffers
27%inclusion4 decks15 decks
-28%synergy
Terrain Generator
20%inclusion3 decks15 decks
18%synergy
Takenuma, Abandoned Mire
20%inclusion3 decks15 decks
4%synergy
Thespian's Stage
20%inclusion3 decks15 decks
15%synergy
Barren Moor
13%inclusion2 decks15 decks
3%synergy
Nykthos, Shrine to Nyx
13%inclusion2 decks15 decks
-16%synergy
Polluted Mire
13%inclusion2 decks15 decks
10%synergy
Deserted Temple
13%inclusion2 decks15 decks
9%synergy
Urborg, Tomb of Yawgmoth
13%inclusion2 decks15 decks
-24%synergy
Field of Ruin
13%inclusion2 decks15 decks
11%synergy
Susur Secundi, Void Altar
10%inclusion1 decks10 decks
2%synergy
Shizo, Death's Storehouse
6.7%inclusion1 decks15 decks
-4%synergy
Desert of the Glorified
6.7%inclusion1 decks15 decks
4%synergy
Memorial to Folly
6.7%inclusion1 decks15 decks
3%synergy
Maze of Ith
6.7%inclusion1 decks15 decks
3%synergy
Blast Zone
6.7%inclusion1 decks15 decks
5%synergy
Vesuva
6.7%inclusion1 decks15 decks
4%synergy
Volatile Fault
6.7%inclusion1 decks15 decks
6%synergy
Throne of the High City
6.7%inclusion1 decks15 decks
6%synergy
Dark Depths
6.7%inclusion1 decks15 decks
6%synergy
Strip Mine
6.7%inclusion1 decks15 decks
4%synergy
Rogue's Passage
6.7%inclusion1 decks15 decks
-12%synergy
Mana Artifacts
Sol Ring
73%inclusion11 decks15 decks
-13%synergy
Thought Vessel
67%inclusion10 decks15 decks
41%synergy
Arcane Signet
60%inclusion9 decks15 decks
-2%synergy
Decanter of Endless Water
60%inclusion9 decks15 decks
57%synergy
Mind Stone
47%inclusion7 decks15 decks
17%synergy
Caged Sun
27%inclusion4 decks15 decks
15%synergy
Charcoal Diamond
20%inclusion3 decks15 decks
-3%synergy
Nyx Lotus
20%inclusion3 decks15 decks
14%synergy
Coveted Jewel
13%inclusion2 decks15 decks
12%synergy
Séance Board
7.1%inclusion1 decks14 decks
5%synergy
Commander's Sphere
6.7%inclusion1 decks15 decks
-2%synergy
Gauntlet of Power
6.7%inclusion1 decks15 decks
3%synergy
Fellwar Stone
6.7%inclusion1 decks15 decks
-8%synergy
Gilded Lotus
6.7%inclusion1 decks15 decks
1%synergy
Thran Dynamo
6.7%inclusion1 decks15 decks
1%synergy
Worn Powerstone
6.7%inclusion1 decks15 decks
2%synergy
Star Compass
6.7%inclusion1 decks15 decks
6%synergy
Liquimetal Torque
6.7%inclusion1 decks15 decks
4%synergy
Victory Chimes
6.7%inclusion1 decks15 decks
6%synergy
Extraplanar Lens
6.7%inclusion1 decks15 decks
2%synergy
Lands
Swamp
93%inclusion14 decks15 decks
-2%synergy
Myriad Landscape
40%inclusion6 decks15 decks
14%synergy
Boggart Trawler
27%inclusion4 decks15 decks
18%synergy
Fell the Profane
20%inclusion3 decks15 decks
1%synergy
Urza's Cave
20%inclusion3 decks15 decks
12%synergy
Malakir Rebirth
13%inclusion2 decks15 decks
-9%synergy
Hagra Mauling
6.7%inclusion1 decks15 decks
2%synergy
The Mycosynth Gardens
6.7%inclusion1 decks15 decks
5%synergy
Agadeem's Awakening
6.7%inclusion1 decks15 decks
-1%synergy
Demolition Field
6.7%inclusion1 decks15 decks
1%synergy
Plaza of Heroes
6.7%inclusion1 decks15 decks
6%synergy
Path of Ancestry
6.7%inclusion1 decks15 decks
2%synergy
Forbidden Orchard
6.7%inclusion1 decks15 decks
5%synergy
Snow-Covered Swamp
6.7%inclusion1 decks15 decks
0%synergy