Seizan, Perverter of Truth (Commander) - Optimized

Seizan, Perverter of Truth
Rank #1,396
34decks
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
Decorum Dissertation
29%inclusion2 decks7 decks
23%synergy
High Synergy Cards
Underworld Dreams
88%inclusion30 decks34 decks
82%synergy
Fate Unraveler
82%inclusion28 decks34 decks
79%synergy
Howling Mine
74%inclusion25 decks34 decks
70%synergy
Scrawling Crawler
73%inclusion24 decks33 decks
69%synergy
Ob Nixilis, the Hate-Twisted
62%inclusion21 decks34 decks
59%synergy
Sheoldred, the Apocalypse
74%inclusion25 decks34 decks
59%synergy
Psychosis Crawler
62%inclusion21 decks34 decks
58%synergy
Dark Deal
68%inclusion23 decks34 decks
57%synergy
Font of Mythos
59%inclusion20 decks34 decks
57%synergy
Master of the Feast
59%inclusion20 decks34 decks
56%synergy
Top Cards
Dark Ritual
82%inclusion28 decks34 decks
15%synergy
Jet Medallion
74%inclusion25 decks34 decks
11%synergy
Crypt Ghast
71%inclusion24 decks34 decks
23%synergy
Feed the Swarm
62%inclusion21 decks34 decks
11%synergy
Peer into the Abyss
59%inclusion20 decks34 decks
49%synergy
Toxic Deluge
59%inclusion20 decks34 decks
22%synergy
Gray Merchant of Asphodel
53%inclusion18 decks34 decks
2%synergy
Baleful Mastery
50%inclusion17 decks34 decks
42%synergy
Price of Knowledge
47%inclusion16 decks34 decks
47%synergy
Exsanguinate
47%inclusion16 decks34 decks
22%synergy
Game Changers
Orcish Bowmasters
74%inclusion25 decks34 decks
60%synergy
Demonic Tutor
71%inclusion24 decks34 decks
43%synergy
Vampiric Tutor
65%inclusion22 decks34 decks
44%synergy
Opposition Agent
32%inclusion11 decks34 decks
23%synergy
Ancient Tomb
32%inclusion11 decks34 decks
21%synergy
Imperial Seal
29%inclusion10 decks34 decks
22%synergy
Bolas's Citadel
29%inclusion10 decks34 decks
1%synergy
Necropotence
24%inclusion8 decks34 decks
9%synergy
Mana Vault
24%inclusion8 decks34 decks
17%synergy
Tergrid, God of Fright
24%inclusion8 decks34 decks
16%synergy
Creatures
Dauthi Voidwalker
32%inclusion11 decks34 decks
17%synergy
Bloodthirsty Conqueror
30%inclusion10 decks33 decks
21%synergy
Viseling
29%inclusion10 decks34 decks
29%synergy
K'rrik, Son of Yawgmoth
29%inclusion10 decks34 decks
10%synergy
Rankle, Master of Pranks
26%inclusion9 decks34 decks
14%synergy
Zenith Chronicler
26%inclusion9 decks34 decks
25%synergy
Bloodletter of Aclazotz
24%inclusion8 decks34 decks
13%synergy
Sangromancer
24%inclusion8 decks34 decks
13%synergy
Gixian Puppeteer
24%inclusion8 decks34 decks
20%synergy
Erebos, God of the Dead
21%inclusion7 decks34 decks
16%synergy
Doomsday Excruciator
21%inclusion7 decks34 decks
18%synergy
Bloodgift Demon
21%inclusion7 decks34 decks
18%synergy
Solemn Simulacrum
18%inclusion6 decks34 decks
-4%synergy
Nirkana Revenant
18%inclusion6 decks34 decks
7%synergy
Howling Golem
18%inclusion6 decks34 decks
17%synergy
Mindslicer
18%inclusion6 decks34 decks
13%synergy
Massacre Wurm
18%inclusion6 decks34 decks
1%synergy
Scourge of the Skyclaves
18%inclusion6 decks34 decks
17%synergy
Enduring Tenacity
18%inclusion6 decks34 decks
10%synergy
Creeping Bloodsucker
15%inclusion5 decks34 decks
10%synergy
Dream Devourer
15%inclusion5 decks34 decks
14%synergy
Magus of the Coffers
15%inclusion5 decks34 decks
8%synergy
Ornithopter of Paradise
15%inclusion5 decks34 decks
12%synergy
Ob Nixilis, Unshackled
15%inclusion5 decks34 decks
12%synergy
Sheoldred, Whispering One
15%inclusion5 decks34 decks
3%synergy
Leaden Myr
15%inclusion5 decks34 decks
9%synergy
Archfiend of Despair
15%inclusion5 decks34 decks
12%synergy
Kagemaro, First to Suffer
15%inclusion5 decks34 decks
14%synergy
The Speed Demon
12%inclusion4 decks33 decks
10%synergy
Syr Konrad, the Grim
12%inclusion4 decks34 decks
-8%synergy
Dread Presence
12%inclusion4 decks34 decks
-2%synergy
Kami of Jealous Thirst
12%inclusion4 decks34 decks
12%synergy
Wandering Archaic
12%inclusion4 decks34 decks
11%synergy
Boggart Trawler
12%inclusion4 decks34 decks
3%synergy
Vito, Thorn of the Dusk Rose
12%inclusion4 decks34 decks
1%synergy
Vilis, Broker of Blood
12%inclusion4 decks34 decks
-1%synergy
Archfiend of Depravity
12%inclusion4 decks34 decks
5%synergy
Unstoppable Slasher
9.1%inclusion3 decks33 decks
4%synergy
Moonshadow
9.1%inclusion1 decks11 decks
7%synergy
Plaguecrafter
8.8%inclusion3 decks34 decks
-11%synergy
Marauding Blight-Priest
8.8%inclusion3 decks34 decks
2%synergy
Locust Miser
8.8%inclusion3 decks34 decks
7%synergy
Aclazotz, Deepest Betrayal
8.8%inclusion3 decks34 decks
3%synergy
Plague Drone
8.8%inclusion3 decks34 decks
8%synergy
Twilight Prophet
8.8%inclusion3 decks34 decks
3%synergy
Gnat Miser
8.8%inclusion3 decks34 decks
6%synergy
Fell Specter
8.8%inclusion3 decks34 decks
5%synergy
Qarsi Revenant
8.0%inclusion2 decks25 decks
3%synergy
Morlun, Devourer of Spiders
7.1%inclusion1 decks14 decks
6%synergy
Gwenom, Remorseless
6.7%inclusion1 decks15 decks
3%synergy
Instants
Deadly Rollick
44%inclusion15 decks34 decks
19%synergy
Imp's Mischief
44%inclusion15 decks34 decks
19%synergy
Darkness
38%inclusion13 decks34 decks
28%synergy
Infernal Grasp
38%inclusion13 decks34 decks
13%synergy
Withering Torment
36%inclusion12 decks33 decks
5%synergy
Defile
35%inclusion12 decks34 decks
-1%synergy
Snuff Out
26%inclusion9 decks34 decks
13%synergy
Cabal Ritual
26%inclusion9 decks34 decks
8%synergy
Go for the Throat
24%inclusion8 decks34 decks
1%synergy
Blood Pact
21%inclusion7 decks34 decks
17%synergy
Malakir Rebirth
18%inclusion6 decks34 decks
-6%synergy
Culling the Weak
18%inclusion6 decks34 decks
1%synergy
Force of Despair
15%inclusion5 decks34 decks
7%synergy
Sheoldred's Edict
15%inclusion5 decks34 decks
-0%synergy
Consuming Corruption
15%inclusion5 decks34 decks
-1%synergy
Withering Boon
15%inclusion5 decks34 decks
10%synergy
Dismember
15%inclusion5 decks34 decks
4%synergy
Fell the Profane
12%inclusion4 decks34 decks
-8%synergy
Hellish Rebuke
12%inclusion4 decks34 decks
10%synergy
Bitter Triumph
12%inclusion4 decks34 decks
2%synergy
Sudden Spoiling
12%inclusion4 decks34 decks
3%synergy
Soul Shatter
8.8%inclusion3 decks34 decks
-3%synergy
Crushing Disappointment
8.8%inclusion3 decks34 decks
8%synergy
Rain of Filth
8.8%inclusion3 decks34 decks
6%synergy
Victim of Night
8.8%inclusion3 decks34 decks
7%synergy
Malicious Affliction
5.9%inclusion2 decks34 decks
4%synergy
March of Wretched Sorrow
5.9%inclusion2 decks34 decks
4%synergy
Devour in Shadow
5.9%inclusion2 decks34 decks
6%synergy
Ad Nauseam
5.9%inclusion2 decks34 decks
3%synergy
Vendetta
5.9%inclusion2 decks34 decks
5%synergy
Curtains' Call
5.9%inclusion2 decks34 decks
4%synergy
Vona's Hunger
5.9%inclusion2 decks34 decks
1%synergy
Wretched Confluence
5.9%inclusion2 decks34 decks
5%synergy
Archenemy's Charm
5.6%inclusion1 decks18 decks
-3%synergy
Sorceries
Damnable Pact
44%inclusion15 decks34 decks
40%synergy
Grim Tutor
41%inclusion14 decks34 decks
30%synergy
Damnation
41%inclusion14 decks34 decks
21%synergy
Sign in Blood
38%inclusion13 decks34 decks
3%synergy
Bubbling Muck
32%inclusion11 decks34 decks
17%synergy
Mutilate
29%inclusion10 decks34 decks
13%synergy
Diabolic Tutor
26%inclusion9 decks34 decks
12%synergy
Reanimate
26%inclusion9 decks34 decks
-14%synergy
Torment of Hailfire
24%inclusion8 decks34 decks
8%synergy
Fraying Omnipotence
21%inclusion7 decks34 decks
19%synergy
Insatiable Avarice
18%inclusion6 decks34 decks
6%synergy
Night's Whisper
18%inclusion6 decks34 decks
-7%synergy
Blasphemous Edict
15%inclusion5 decks33 decks
-1%synergy
Pain's Reward
15%inclusion5 decks34 decks
14%synergy
Read the Bones
15%inclusion5 decks34 decks
-2%synergy
Beseech the Mirror
15%inclusion5 decks34 decks
8%synergy
Deadly Tempest
15%inclusion5 decks34 decks
13%synergy
Repay in Kind
12%inclusion4 decks34 decks
10%synergy
Nightmare Unmaking
12%inclusion4 decks34 decks
11%synergy
Syphon Mind
12%inclusion4 decks34 decks
-0%synergy
Ill-Gotten Gains
12%inclusion4 decks34 decks
11%synergy
Profane Tutor
8.8%inclusion3 decks34 decks
5%synergy
Eldritch Pact
8.8%inclusion3 decks34 decks
8%synergy
Temporal Extortion
8.8%inclusion3 decks34 decks
7%synergy
Yawgmoth's Will
8.8%inclusion3 decks34 decks
5%synergy
Final Act
8.8%inclusion3 decks34 decks
7%synergy
Foreboding Fruit
8.8%inclusion3 decks34 decks
8%synergy
Bad Deal
8.8%inclusion3 decks34 decks
8%synergy
Death Cloud
8.8%inclusion3 decks34 decks
7%synergy
Scheming Symmetry
8.8%inclusion3 decks34 decks
4%synergy
Killing Wave
8.8%inclusion3 decks34 decks
6%synergy
Bond of Agony
8.8%inclusion3 decks34 decks
9%synergy
Demonic Counsel
6.1%inclusion2 decks33 decks
3%synergy
Risky Shortcut
6.1%inclusion2 decks33 decks
5%synergy
Rankle's Prank
5.9%inclusion2 decks34 decks
2%synergy
Smallpox
5.9%inclusion2 decks34 decks
1%synergy
Stronghold Discipline
5.9%inclusion2 decks34 decks
6%synergy
In Garruk's Wake
5.9%inclusion2 decks34 decks
2%synergy
Beseech the Queen
5.9%inclusion2 decks34 decks
-0%synergy
Dark Petition
5.9%inclusion2 decks34 decks
2%synergy
Ambition's Cost
5.9%inclusion2 decks34 decks
3%synergy
Fruit of Tizerus
5.9%inclusion2 decks34 decks
6%synergy
Rise of the Dark Realms
5.9%inclusion2 decks34 decks
-7%synergy
Thoughtseize
5.9%inclusion2 decks34 decks
1%synergy
Decode Transmissions
5.6%inclusion1 decks18 decks
4%synergy
Zero Point Ballad
5.6%inclusion1 decks18 decks
3%synergy
Utility Artifacts
Temple Bell
47%inclusion16 decks34 decks
45%synergy
Teferi's Puzzle Box
41%inclusion14 decks34 decks
39%synergy
Venser's Journal
41%inclusion14 decks34 decks
40%synergy
Iron Maiden
41%inclusion14 decks34 decks
41%synergy
Ivory Tower
38%inclusion13 decks34 decks
38%synergy
Horn of Greed
29%inclusion10 decks34 decks
28%synergy
Mindcrank
29%inclusion10 decks34 decks
24%synergy
Black Vise
29%inclusion10 decks34 decks
29%synergy
Wayfarer's Bauble
24%inclusion8 decks34 decks
9%synergy
Ebony Owl Netsuke
24%inclusion8 decks34 decks
23%synergy
Geth's Grimoire
24%inclusion8 decks34 decks
17%synergy
Expedition Map
24%inclusion8 decks34 decks
12%synergy
Lightning Greaves
24%inclusion8 decks34 decks
-10%synergy
Alhammarret's Archive
21%inclusion7 decks34 decks
17%synergy
Anvil of Bogardan
21%inclusion7 decks34 decks
19%synergy
The One Ring
18%inclusion6 decks34 decks
8%synergy
Sensei's Divining Top
15%inclusion5 decks34 decks
7%synergy
Swiftfoot Boots
15%inclusion5 decks34 decks
-17%synergy
Memory Jar
15%inclusion5 decks34 decks
14%synergy
Wishclaw Talisman
12%inclusion4 decks34 decks
5%synergy
Aetherflux Reservoir
8.8%inclusion3 decks34 decks
-1%synergy
Misers' Cage
8.8%inclusion3 decks34 decks
9%synergy
Otherworld Atlas
8.8%inclusion3 decks34 decks
8%synergy
Skullcage
8.8%inclusion3 decks34 decks
9%synergy
Winter Moon
8.8%inclusion3 decks34 decks
7%synergy
The Darkness Crystal
8.3%inclusion2 decks24 decks
-12%synergy
Defense Grid
5.9%inclusion2 decks34 decks
4%synergy
Crawlspace
5.9%inclusion2 decks34 decks
5%synergy
Vexing Bauble
5.9%inclusion2 decks34 decks
5%synergy
Cryptolith Fragment
5.9%inclusion2 decks34 decks
6%synergy
Hithlain Rope
5.9%inclusion2 decks34 decks
6%synergy
Mithril Coat
5.9%inclusion2 decks34 decks
0%synergy
Spellbook
5.9%inclusion2 decks34 decks
5%synergy
Library of Leng
5.9%inclusion2 decks34 decks
5%synergy
Sword of War and Peace
5.9%inclusion2 decks34 decks
5%synergy
Rings of Brighthearth
5.9%inclusion2 decks34 decks
5%synergy
Cursed Totem
5.9%inclusion2 decks34 decks
5%synergy
Commander's Plate
5.9%inclusion2 decks34 decks
-0%synergy
Entropic Battlecruiser
5.6%inclusion1 decks18 decks
3%synergy
Enchantments
Exquisite Blood
47%inclusion16 decks34 decks
34%synergy
Bloodchief Ascension
44%inclusion15 decks34 decks
35%synergy
Waste Not
41%inclusion14 decks34 decks
31%synergy
Wound Reflection
41%inclusion14 decks34 decks
38%synergy
Liliana's Caress
38%inclusion13 decks34 decks
33%synergy
No Mercy
35%inclusion12 decks34 decks
28%synergy
Painful Quandary
32%inclusion11 decks34 decks
22%synergy
Oppression
26%inclusion9 decks34 decks
19%synergy
Megrim
24%inclusion8 decks34 decks
18%synergy
Sanguine Bond
24%inclusion8 decks34 decks
12%synergy
Koskun Falls
21%inclusion7 decks34 decks
20%synergy
Bottomless Pit
18%inclusion6 decks34 decks
13%synergy
Polluted Bonds
15%inclusion5 decks34 decks
13%synergy
The Meathook Massacre
15%inclusion5 decks34 decks
-3%synergy
Tainted Remedy
15%inclusion5 decks34 decks
14%synergy
Phyrexian Arena
15%inclusion5 decks34 decks
-25%synergy
Black Market Connections
15%inclusion5 decks34 decks
-10%synergy
Greed
12%inclusion4 decks34 decks
5%synergy
Necrogen Mists
12%inclusion4 decks34 decks
8%synergy
Phyrexian Reclamation
8.8%inclusion3 decks34 decks
-1%synergy
Curse of Fool's Wisdom
8.8%inclusion3 decks34 decks
8%synergy
Kaya's Ghostform
8.8%inclusion3 decks34 decks
-1%synergy
Oubliette
8.8%inclusion3 decks34 decks
6%synergy
Raiders' Wake
8.8%inclusion3 decks34 decks
6%synergy
Contamination
5.9%inclusion2 decks34 decks
3%synergy
Words of Waste
5.9%inclusion2 decks34 decks
5%synergy
Necrodominance
5.9%inclusion2 decks34 decks
3%synergy
Animate Dead
5.9%inclusion2 decks34 decks
-11%synergy
Chains of Mephistopheles
5.9%inclusion2 decks34 decks
5%synergy
Leyline of the Void
5.9%inclusion2 decks34 decks
4%synergy
Bitterblossom
5.9%inclusion2 decks34 decks
-7%synergy
Pestilence
5.9%inclusion2 decks34 decks
3%synergy
Sothera, the Supervoid
5.0%inclusion1 decks20 decks
2%synergy
Planeswalkers
Ugin, Eye of the Storms
8.0%inclusion2 decks25 decks
8%synergy
Liliana of the Veil
5.9%inclusion2 decks34 decks
-1%synergy
Ob Nixilis Reignited
5.9%inclusion2 decks34 decks
4%synergy
Liliana of the Dark Realms
5.9%inclusion2 decks34 decks
-8%synergy
Utility Lands
Cabal Coffers
76%inclusion26 decks34 decks
22%synergy
Reliquary Tower
65%inclusion22 decks34 decks
35%synergy
Cabal Stronghold
53%inclusion18 decks34 decks
19%synergy
Urborg, Tomb of Yawgmoth
53%inclusion18 decks34 decks
15%synergy
Bojuka Bog
47%inclusion16 decks34 decks
0%synergy
Mikokoro, Center of the Sea
44%inclusion15 decks34 decks
42%synergy
Nykthos, Shrine to Nyx
38%inclusion13 decks34 decks
8%synergy
Geier Reach Sanitarium
35%inclusion12 decks34 decks
25%synergy
Witch's Cottage
32%inclusion11 decks34 decks
8%synergy
Urza's Saga
15%inclusion5 decks34 decks
7%synergy
War Room
15%inclusion5 decks34 decks
-1%synergy
Strip Mine
15%inclusion5 decks34 decks
12%synergy
Takenuma, Abandoned Mire
15%inclusion5 decks34 decks
-1%synergy
Lake of the Dead
15%inclusion5 decks34 decks
10%synergy
Volrath's Stronghold
12%inclusion4 decks34 decks
8%synergy
Thespian's Stage
12%inclusion4 decks34 decks
7%synergy
Castle Locthwain
12%inclusion4 decks34 decks
-5%synergy
Leechridden Swamp
12%inclusion4 decks34 decks
9%synergy
Shizo, Death's Storehouse
8.8%inclusion3 decks34 decks
-1%synergy
Vault of Whispers
8.8%inclusion3 decks34 decks
3%synergy
Mortuary Mire
8.8%inclusion3 decks34 decks
-4%synergy
Ghost Quarter
8.8%inclusion3 decks34 decks
6%synergy
Boseiju, Who Shelters All
8.8%inclusion3 decks34 decks
8%synergy
Maze of Ith
8.8%inclusion3 decks34 decks
6%synergy
Vesuva
8.8%inclusion3 decks34 decks
6%synergy
Command Beacon
8.8%inclusion3 decks34 decks
1%synergy
Terrain Generator
8.8%inclusion3 decks34 decks
7%synergy
Field of Ruin
8.8%inclusion3 decks34 decks
6%synergy
Deserted Temple
8.8%inclusion3 decks34 decks
5%synergy
Wasteland
5.9%inclusion2 decks34 decks
4%synergy
Phyrexian Tower
5.9%inclusion2 decks34 decks
-20%synergy
Buried Ruin
5.9%inclusion2 decks34 decks
1%synergy
Crypt of Agadeem
5.9%inclusion2 decks34 decks
-6%synergy
Scavenger Grounds
5.9%inclusion2 decks34 decks
4%synergy
Mana Artifacts
Sol Ring
91%inclusion31 decks34 decks
6%synergy
Thought Vessel
74%inclusion25 decks34 decks
48%synergy
Arcane Signet
71%inclusion24 decks34 decks
9%synergy
Charcoal Diamond
35%inclusion12 decks34 decks
13%synergy
Decanter of Endless Water
35%inclusion12 decks34 decks
32%synergy
Mind Stone
21%inclusion7 decks34 decks
-8%synergy
Chrome Mox
18%inclusion6 decks34 decks
12%synergy
Caged Sun
15%inclusion5 decks34 decks
4%synergy
Grim Monolith
15%inclusion5 decks34 decks
12%synergy
Throne of Eldraine
15%inclusion5 decks34 decks
5%synergy
Fellwar Stone
15%inclusion5 decks34 decks
1%synergy
The Soul Stone
13%inclusion2 decks16 decks
-3%synergy
Gilded Lotus
12%inclusion4 decks34 decks
7%synergy
Mox Diamond
12%inclusion4 decks34 decks
8%synergy
Lotus Petal
8.8%inclusion3 decks34 decks
1%synergy
Coveted Jewel
8.8%inclusion3 decks34 decks
8%synergy
Thran Dynamo
8.8%inclusion3 decks34 decks
3%synergy
Sceptre of Eternal Glory
8.8%inclusion3 decks34 decks
1%synergy
Mox Opal
8.8%inclusion3 decks34 decks
5%synergy
Commander's Sphere
5.9%inclusion2 decks34 decks
-2%synergy
Everflowing Chalice
5.9%inclusion2 decks34 decks
0%synergy
Mox Amber
5.9%inclusion2 decks34 decks
2%synergy
Nyx Lotus
5.9%inclusion2 decks34 decks
-0%synergy
Extraplanar Lens
5.9%inclusion2 decks34 decks
1%synergy
Lands
Swamp
91%inclusion31 decks34 decks
-4%synergy
Myriad Landscape
32%inclusion11 decks34 decks
7%synergy
Malakir Rebirth
18%inclusion6 decks34 decks
-6%synergy
Prismatic Vista
12%inclusion4 decks34 decks
9%synergy
Fell the Profane
12%inclusion4 decks34 decks
-8%synergy
Boggart Trawler
12%inclusion4 decks34 decks
3%synergy
Gemstone Caverns
12%inclusion4 decks34 decks
7%synergy
Terramorphic Expanse
8.8%inclusion3 decks34 decks
6%synergy
Urza's Cave
8.8%inclusion3 decks34 decks
0%synergy
Verdant Catacombs
8.8%inclusion3 decks34 decks
5%synergy
Snow-Covered Swamp
8.8%inclusion3 decks34 decks
2%synergy
Bloodstained Mire
8.8%inclusion3 decks34 decks
5%synergy
Marsh Flats
8.8%inclusion3 decks34 decks
5%synergy
Polluted Delta
8.8%inclusion3 decks34 decks
5%synergy
The Mycosynth Gardens
5.9%inclusion2 decks34 decks
5%synergy
Demolition Field
5.9%inclusion2 decks34 decks
1%synergy
Cavern of Souls
5.9%inclusion2 decks34 decks
-1%synergy