Skithiryx, the Blight Dragon (Commander) - Upgraded

Alternate Names:

Venom, King in BlackVenom, King in Black

Arnaud Gompertz
Jun 17, 2026
Meet Dakkon Blackblade, aka The Tarnished
This week, Arnaud builds a Commander deck inspired by the masterpiece Elden Ring.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
Emeritus of Woe
10%inclusion5 decks52 decks
2%synergy
Decorum Dissertation
7.5%inclusion4 decks53 decks
2%synergy
Pox Plague
5.7%inclusion3 decks53 decks
0%synergy
Grave Researcher
5.1%inclusion3 decks59 decks
-3%synergy
Wander Off
1.9%inclusion1 decks52 decks
2%synergy
High Synergy Cards
Infectious Inquiry
73%inclusion160 decks220 decks
70%synergy
Plague Myr
69%inclusion152 decks220 decks
68%synergy
Plague Stinger
68%inclusion149 decks220 decks
67%synergy
Karn's Bastion
69%inclusion152 decks220 decks
65%synergy
Vraska's Fall
65%inclusion144 decks220 decks
62%synergy
Ichor Rats
65%inclusion143 decks220 decks
62%synergy
Hand of the Praetors
63%inclusion138 decks220 decks
62%synergy
Whispering Specter
57%inclusion126 decks220 decks
57%synergy
Lashwrithe
60%inclusion132 decks220 decks
56%synergy
Drown in Ichor
60%inclusion131 decks220 decks
56%synergy
Top Cards
Dark Ritual
78%inclusion172 decks220 decks
11%synergy
Jet Medallion
71%inclusion156 decks220 decks
9%synergy
Crypt Ghast
64%inclusion140 decks220 decks
16%synergy
Phyrexian Arena
62%inclusion137 decks220 decks
23%synergy
Swiftfoot Boots
62%inclusion136 decks220 decks
30%synergy
Sign in Blood
59%inclusion129 decks220 decks
24%synergy
Phyrexian Crusader
56%inclusion124 decks220 decks
55%synergy
Blackblade Reforged
55%inclusion122 decks220 decks
53%synergy
Nightmare Lash
54%inclusion118 decks220 decks
51%synergy
Phyresis Outbreak
54%inclusion118 decks220 decks
52%synergy
Game Changers
Demonic Tutor
43%inclusion95 decks220 decks
16%synergy
Vampiric Tutor
25%inclusion56 decks220 decks
5%synergy
Bolas's Citadel
18%inclusion40 decks220 decks
-10%synergy
Necropotence
18%inclusion39 decks220 decks
3%synergy
Ancient Tomb
14%inclusion30 decks220 decks
2%synergy
Mana Vault
8.6%inclusion19 decks220 decks
2%synergy
Opposition Agent
8.2%inclusion18 decks220 decks
-1%synergy
The One Ring
6.8%inclusion15 decks220 decks
-3%synergy
Imperial Seal
5.9%inclusion13 decks220 decks
-1%synergy
Orcish Bowmasters
5.9%inclusion13 decks220 decks
-7%synergy
Creatures
Blightbelly Rat
50%inclusion111 decks220 decks
47%synergy
Reaper of Sheoldred
36%inclusion80 decks220 decks
36%synergy
Ichorclaw Myr
36%inclusion79 decks220 decks
35%synergy
Flensermite
35%inclusion76 decks220 decks
34%synergy
K'rrik, Son of Yawgmoth
34%inclusion74 decks220 decks
14%synergy
Phyrexian Obliterator
32%inclusion70 decks220 decks
21%synergy
Core Prowler
30%inclusion67 decks220 decks
30%synergy
Bilious Skulldweller
30%inclusion67 decks220 decks
29%synergy
Flesh-Eater Imp
30%inclusion67 decks220 decks
30%synergy
Septic Rats
30%inclusion66 decks220 decks
28%synergy
Corpse Cur
27%inclusion60 decks220 decks
27%synergy
Pestilent Syphoner
25%inclusion55 decks220 decks
24%synergy
Myr Convert
24%inclusion52 decks220 decks
23%synergy
Yawgmoth, Thran Physician
22%inclusion49 decks220 decks
12%synergy
Necropede
22%inclusion49 decks220 decks
22%synergy
Gray Merchant of Asphodel
21%inclusion46 decks220 decks
-30%synergy
Solemn Simulacrum
19%inclusion42 decks220 decks
-3%synergy
Blightsteel Colossus
18%inclusion39 decks220 decks
17%synergy
Dread Presence
15%inclusion34 decks220 decks
2%synergy
Nirkana Revenant
15%inclusion34 decks220 decks
5%synergy
Leaden Myr
15%inclusion33 decks220 decks
9%synergy
Dauthi Voidwalker
15%inclusion33 decks220 decks
-1%synergy
Gulping Scraptrap
15%inclusion32 decks220 decks
14%synergy
Necroskitter
13%inclusion29 decks220 decks
10%synergy
Magus of the Coffers
13%inclusion28 decks220 decks
6%synergy
Sheoldred, Whispering One
13%inclusion28 decks220 decks
1%synergy
Dark Confidant
12%inclusion27 decks220 decks
5%synergy
Filth
12%inclusion27 decks220 decks
10%synergy
Silent Arbiter
11%inclusion25 decks220 decks
10%synergy
Phyrexian Vatmother
11%inclusion25 decks220 decks
11%synergy
Contagious Nim
10%inclusion23 decks220 decks
10%synergy
Phyrexian Juggernaut
10%inclusion22 decks220 decks
10%synergy
Blackcleave Goblin
10%inclusion22 decks220 decks
10%synergy
Sheoldred's Headcleaver
10%inclusion22 decks220 decks
10%synergy
Burnished Hart
10%inclusion21 decks220 decks
2%synergy
Brass Squire
10%inclusion21 decks220 decks
9%synergy
Massacre Wurm
9.1%inclusion20 decks220 decks
-8%synergy
Massacre Girl, Known Killer
9.1%inclusion20 decks220 decks
6%synergy
Grafted Butcher
9.1%inclusion20 decks220 decks
9%synergy
Maha, Its Feathers Night
8.2%inclusion18 decks220 decks
4%synergy
Defiler of Flesh
8.2%inclusion18 decks220 decks
4%synergy
Surge Conductor
8.1%inclusion14 decks172 decks
8%synergy
Gwenom, Remorseless
7.9%inclusion13 decks165 decks
4%synergy
Sheoldred, the Apocalypse
7.7%inclusion17 decks220 decks
-7%synergy
Paragon of Open Graves
7.7%inclusion17 decks220 decks
7%synergy
Toxic Nim
7.3%inclusion16 decks220 decks
7%synergy
Virulent Silencer
6.4%inclusion11 decks173 decks
6%synergy
Boggart Trawler
5.5%inclusion12 decks220 decks
-4%synergy
Phyrexian Digester
5.5%inclusion12 decks220 decks
5%synergy
Vector Asp
5.0%inclusion11 decks220 decks
5%synergy
Instants
Defile
40%inclusion88 decks220 decks
4%synergy
Go for the Throat
40%inclusion87 decks220 decks
17%synergy
Howl from Beyond
39%inclusion85 decks220 decks
38%synergy
Whisper of the Dross
38%inclusion84 decks220 decks
35%synergy
Imp's Mischief
36%inclusion80 decks220 decks
11%synergy
Withering Torment
35%inclusion77 decks220 decks
4%synergy
Deadly Rollick
34%inclusion74 decks220 decks
9%synergy
Tainted Strike
34%inclusion74 decks220 decks
31%synergy
Infernal Grasp
32%inclusion71 decks220 decks
7%synergy
Malakir Rebirth
26%inclusion57 decks220 decks
3%synergy
Grim Affliction
24%inclusion53 decks220 decks
22%synergy
Cabal Ritual
23%inclusion51 decks220 decks
5%synergy
Fell the Profane
22%inclusion49 decks220 decks
3%synergy
Sudden Spoiling
21%inclusion46 decks220 decks
12%synergy
Dismember
20%inclusion44 decks220 decks
10%synergy
Archenemy's Charm
19%inclusion33 decks173 decks
10%synergy
Astarion's Thirst
18%inclusion40 decks220 decks
17%synergy
Hatred
17%inclusion38 decks220 decks
16%synergy
Snuff Out
17%inclusion37 decks220 decks
3%synergy
Darkness
16%inclusion36 decks220 decks
6%synergy
Supernatural Stamina
15%inclusion32 decks220 decks
7%synergy
Consuming Corruption
14%inclusion30 decks220 decks
-2%synergy
Hero's Downfall
12%inclusion27 decks220 decks
6%synergy
Sugar Rush
11%inclusion25 decks220 decks
11%synergy
Baleful Mastery
11%inclusion25 decks220 decks
3%synergy
Anoint with Affliction
11%inclusion24 decks220 decks
10%synergy
Force of Despair
10%inclusion22 decks220 decks
2%synergy
Undying Malice
10%inclusion22 decks220 decks
-0%synergy
Bitter Triumph
10%inclusion21 decks220 decks
-0%synergy
Doom Blade
10%inclusion21 decks220 decks
2%synergy
Withering Boon
9.1%inclusion20 decks220 decks
5%synergy
Murder
9.1%inclusion20 decks220 decks
-1%synergy
Sheoldred's Edict
8.6%inclusion19 decks220 decks
-6%synergy
Culling the Weak
8.2%inclusion18 decks220 decks
-9%synergy
Unlikely Aid
8.2%inclusion18 decks220 decks
8%synergy
Virulent Wound
7.3%inclusion16 decks220 decks
7%synergy
Tragic Slip
6.8%inclusion15 decks220 decks
-13%synergy
Cut Down
6.4%inclusion14 decks220 decks
3%synergy
Soul Shatter
6.4%inclusion14 decks220 decks
-5%synergy
Fake Your Own Death
6.4%inclusion14 decks220 decks
-1%synergy
Slaughter Pact
5.9%inclusion13 decks220 decks
3%synergy
Not Dead After All
5.9%inclusion13 decks220 decks
-5%synergy
Stinging Study
5.5%inclusion12 decks220 decks
3%synergy
Village Rites
5.5%inclusion12 decks220 decks
-20%synergy
Rush of Vitality
5.5%inclusion12 decks220 decks
5%synergy
Deadly Dispute
5.0%inclusion11 decks220 decks
-21%synergy
Sorceries
Feed the Swarm
51%inclusion112 decks220 decks
1%synergy
Night's Whisper
50%inclusion110 decks220 decks
25%synergy
Crux of Fate
43%inclusion94 decks220 decks
41%synergy
Toxic Deluge
42%inclusion92 decks220 decks
5%synergy
Bubbling Muck
33%inclusion73 decks220 decks
18%synergy
Read the Bones
30%inclusion66 decks220 decks
14%synergy
Caress of Phyrexia
29%inclusion63 decks220 decks
28%synergy
Damnation
27%inclusion59 decks220 decks
7%synergy
Reanimate
26%inclusion57 decks220 decks
-14%synergy
Insatiable Avarice
22%inclusion49 decks220 decks
11%synergy
Vat Emergence
20%inclusion43 decks220 decks
18%synergy
Mutilate
18%inclusion39 decks220 decks
1%synergy
Diabolic Tutor
17%inclusion38 decks220 decks
3%synergy
Grim Tutor
15%inclusion33 decks220 decks
3%synergy
Blasphemous Edict
15%inclusion32 decks219 decks
-2%synergy
Exsanguinate
15%inclusion32 decks220 decks
-10%synergy
Spread the Sickness
14%inclusion31 decks220 decks
13%synergy
Black Sun's Zenith
12%inclusion26 decks220 decks
7%synergy
Syphon Mind
10%inclusion21 decks220 decks
-3%synergy
Geth's Summons
10%inclusion21 decks220 decks
9%synergy
Beseech the Queen
10%inclusion21 decks220 decks
4%synergy
Profane Tutor
8.6%inclusion19 decks220 decks
4%synergy
Praetor's Grasp
8.2%inclusion18 decks220 decks
4%synergy
Torment of Hailfire
7.7%inclusion17 decks220 decks
-7%synergy
Feed the Infection
7.3%inclusion16 decks220 decks
7%synergy
Gix's Command
7.3%inclusion16 decks220 decks
5%synergy
In Garruk's Wake
5.9%inclusion13 decks220 decks
2%synergy
Beseech the Mirror
5.9%inclusion13 decks220 decks
-1%synergy
Peer into the Abyss
5.5%inclusion12 decks220 decks
-5%synergy
Villainous Wrath
5.1%inclusion8 decks158 decks
3%synergy
Utility Artifacts
Lightning Greaves
51%inclusion112 decks220 decks
17%synergy
Contagion Clasp
44%inclusion96 decks220 decks
41%synergy
Fireshrieker
43%inclusion95 decks220 decks
41%synergy
Whispersilk Cloak
40%inclusion87 decks220 decks
34%synergy
Contagion Engine
39%inclusion86 decks220 decks
37%synergy
Commander's Plate
38%inclusion83 decks220 decks
32%synergy
Sword of Truth and Justice
35%inclusion77 decks220 decks
34%synergy
Champion's Helm
32%inclusion70 decks220 decks
30%synergy
Shadowspear
27%inclusion60 decks220 decks
23%synergy
The Darkness Crystal
22%inclusion42 decks187 decks
2%synergy
Leyline Axe
21%inclusion47 decks219 decks
21%synergy
Hero's Blade
21%inclusion46 decks220 decks
20%synergy
Cranial Plating
20%inclusion43 decks220 decks
16%synergy
Sword of the Animist
19%inclusion41 decks220 decks
15%synergy
Genji Glove
16%inclusion30 decks183 decks
15%synergy
Expedition Map
16%inclusion36 decks220 decks
5%synergy
Brotherhood Regalia
15%inclusion34 decks220 decks
13%synergy
Wayfarer's Bauble
15%inclusion33 decks220 decks
0%synergy
Pact Weapon
15%inclusion33 decks220 decks
13%synergy
Trailblazer's Boots
14%inclusion31 decks220 decks
12%synergy
Hammer of Nazahn
14%inclusion31 decks220 decks
13%synergy
Mithril Coat
14%inclusion30 decks220 decks
8%synergy
Basilisk Collar
14%inclusion30 decks220 decks
11%synergy
Doc Ock's Tentacles
13%inclusion21 decks157 decks
13%synergy
Sword of Feast and Famine
13%inclusion29 decks220 decks
12%synergy
Darksteel Plate
12%inclusion26 decks220 decks
10%synergy
Bontu's Monument
12%inclusion26 decks220 decks
-17%synergy
Inquisitor's Flail
11%inclusion24 decks220 decks
11%synergy
Strata Scythe
10%inclusion23 decks220 decks
10%synergy
Prowler's Helm
10%inclusion22 decks220 decks
9%synergy
Throne of Geth
10%inclusion21 decks220 decks
9%synergy
Silver Shroud Costume
10%inclusion21 decks220 decks
8%synergy
Sword of Vengeance
9.1%inclusion20 decks220 decks
8%synergy
Loxodon Warhammer
9.1%inclusion20 decks220 decks
8%synergy
Grafted Exoskeleton
9.1%inclusion20 decks220 decks
8%synergy
Sensei's Divining Top
7.7%inclusion17 decks220 decks
-0%synergy
Vorpal Sword
7.7%inclusion17 decks220 decks
4%synergy
Helm of the Host
7.3%inclusion16 decks220 decks
6%synergy
Whip of Erebos
6.4%inclusion14 decks220 decks
-5%synergy
Skullclamp
6.4%inclusion14 decks220 decks
-16%synergy
O-Naginata
6.4%inclusion14 decks220 decks
6%synergy
Grafted Wargear
6.4%inclusion14 decks220 decks
6%synergy
Buster Sword
5.9%inclusion11 decks186 decks
5%synergy
Manifold Key
5.9%inclusion13 decks220 decks
4%synergy
Sword of Fire and Ice
5.5%inclusion12 decks220 decks
5%synergy
Key to the City
5.5%inclusion12 decks220 decks
4%synergy
Sword of Light and Shadow
5.0%inclusion11 decks220 decks
4%synergy
Blade of Selves
5.0%inclusion11 decks220 decks
4%synergy
Enchantments
Necrogen Communion
45%inclusion98 decks220 decks
43%synergy
Unspeakable Symbol
32%inclusion71 decks220 decks
31%synergy
Kaya's Ghostform
30%inclusion66 decks220 decks
20%synergy
Black Market Connections
30%inclusion65 decks220 decks
5%synergy
Bad Moon
19%inclusion41 decks220 decks
15%synergy
No Mercy
15%inclusion34 decks220 decks
8%synergy
Phyresis
13%inclusion29 decks220 decks
11%synergy
Animate Dead
11%inclusion25 decks220 decks
-6%synergy
Black Market
10%inclusion22 decks220 decks
-11%synergy
Super State
10%inclusion17 decks174 decks
9%synergy
Shade's Form
10%inclusion21 decks220 decks
9%synergy
Dauthi Embrace
8.6%inclusion19 decks220 decks
7%synergy
Fungal Fortitude
8.6%inclusion19 decks220 decks
7%synergy
Endless Scream
7.3%inclusion16 decks220 decks
7%synergy
Phyrexian Reclamation
6.8%inclusion15 decks220 decks
-3%synergy
Relic Putrescence
6.8%inclusion15 decks220 decks
7%synergy
Greed
6.4%inclusion14 decks220 decks
-0%synergy
Corpses of the Lost
6.4%inclusion14 decks220 decks
5%synergy
Cover of Darkness
5.9%inclusion13 decks220 decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
50%inclusion110 decks220 decks
47%synergy
Liliana of the Dark Realms
34%inclusion74 decks220 decks
20%synergy
Utility Lands
Rogue's Passage
69%inclusion152 decks220 decks
50%synergy
Cabal Coffers
65%inclusion143 decks220 decks
10%synergy
Bojuka Bog
55%inclusion120 decks220 decks
8%synergy
Urborg, Tomb of Yawgmoth
50%inclusion109 decks220 decks
12%synergy
Inkmoth Nexus
43%inclusion94 decks220 decks
42%synergy
Shizo, Death's Storehouse
42%inclusion93 decks220 decks
32%synergy
Cabal Stronghold
36%inclusion80 decks220 decks
2%synergy
War Room
23%inclusion50 decks220 decks
7%synergy
Castle Locthwain
22%inclusion48 decks220 decks
5%synergy
Nykthos, Shrine to Nyx
20%inclusion44 decks220 decks
-10%synergy
The Black Gate
20%inclusion43 decks220 decks
16%synergy
Cathedral of War
19%inclusion41 decks220 decks
18%synergy
Reliquary Tower
19%inclusion41 decks220 decks
-11%synergy
Witch's Cottage
15%inclusion33 decks220 decks
-10%synergy
Command Beacon
14%inclusion31 decks220 decks
6%synergy
Phyrexian Tower
11%inclusion25 decks220 decks
-14%synergy
Urza's Saga
11%inclusion24 decks220 decks
3%synergy
Mortuary Mire
10%inclusion23 decks220 decks
-3%synergy
Temple of the False God
10%inclusion23 decks220 decks
3%synergy
Minas Morgul, Dark Fortress
10%inclusion23 decks220 decks
7%synergy
Maze of Ith
9.1%inclusion20 decks220 decks
6%synergy
Takenuma, Abandoned Mire
7.7%inclusion17 decks220 decks
-8%synergy
Buried Ruin
7.3%inclusion16 decks220 decks
2%synergy
Thespian's Stage
6.8%inclusion15 decks220 decks
2%synergy
Crypt of Agadeem
6.4%inclusion14 decks220 decks
-5%synergy
Spymaster's Vault
6.4%inclusion14 decks220 decks
-3%synergy
Lake of the Dead
6.4%inclusion14 decks220 decks
1%synergy
Vault of Whispers
5.5%inclusion12 decks220 decks
0%synergy
Barren Moor
5.5%inclusion12 decks220 decks
-4%synergy
Deserted Temple
5.0%inclusion11 decks220 decks
1%synergy
Access Tunnel
5.0%inclusion11 decks220 decks
2%synergy
Mana Artifacts
Sol Ring
92%inclusion203 decks220 decks
7%synergy
Arcane Signet
62%inclusion136 decks220 decks
0%synergy
Glistening Sphere
41%inclusion90 decks220 decks
40%synergy
Mind Stone
36%inclusion80 decks220 decks
8%synergy
Staff of Compleation
31%inclusion69 decks220 decks
30%synergy
Charcoal Diamond
30%inclusion67 decks220 decks
8%synergy
The Soul Stone
23%inclusion38 decks167 decks
8%synergy
Thought Vessel
20%inclusion45 decks220 decks
-5%synergy
Caged Sun
20%inclusion43 decks220 decks
9%synergy
Heraldic Banner
19%inclusion41 decks220 decks
13%synergy
Fellwar Stone
16%inclusion35 decks220 decks
2%synergy
Everflowing Chalice
12%inclusion26 decks220 decks
6%synergy
Lotus Petal
11%inclusion25 decks220 decks
4%synergy
Throne of Eldraine
11%inclusion25 decks220 decks
2%synergy
Thran Dynamo
10%inclusion22 decks220 decks
4%synergy
Sceptre of Eternal Glory
7.3%inclusion16 decks220 decks
-1%synergy
Mox Opal
6.8%inclusion15 decks220 decks
3%synergy
Gilded Lotus
6.4%inclusion14 decks220 decks
1%synergy
Worn Powerstone
6.4%inclusion14 decks220 decks
2%synergy
Extraplanar Lens
6.4%inclusion14 decks220 decks
1%synergy
Commander's Sphere
5.0%inclusion11 decks220 decks
-3%synergy
Lands
Swamp
94%inclusion206 decks220 decks
-2%synergy
Malakir Rebirth
26%inclusion57 decks220 decks
3%synergy
Myriad Landscape
25%inclusion55 decks220 decks
-0%synergy
Fell the Profane
22%inclusion49 decks220 decks
3%synergy
Mirrex
12%inclusion27 decks220 decks
12%synergy
Urza's Cave
10%inclusion21 decks220 decks
1%synergy
Cavern of Souls
10%inclusion21 decks220 decks
3%synergy
Snow-Covered Swamp
7.3%inclusion16 decks220 decks
1%synergy
Opal Palace
5.9%inclusion13 decks220 decks
5%synergy
Boggart Trawler
5.5%inclusion12 decks220 decks
-4%synergy
The Seedcore
5.0%inclusion11 decks220 decks
5%synergy