Demonlord Belzenlok (Commander) - Upgraded

Background image for Oops All Dreadmaws - O-Kagachi, Vengeful Kami Deck Tech
Benjamin Levin
Feb 10, 2026
Oops All Dreadmaws - O-Kagachi, Vengeful Kami Deck Tech
This Commander deck tech is a love letter to the greatest six-mana 6/6 ever created: Colossal Dreadmaw. But how do you make it a full deck?
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Savanti Romero, Time's Exile
33%inclusion2 decks6 decks
33%synergy
High Synergy Cards
Archfiend of Depravity
47%inclusion16 decks34 decks
40%synergy
Whip of Erebos
50%inclusion17 decks34 decks
39%synergy
Ebon Stronghold
38%inclusion13 decks34 decks
37%synergy
Rune-Scarred Demon
41%inclusion14 decks34 decks
37%synergy
Temple of the False God
44%inclusion15 decks34 decks
36%synergy
Kothophed, Soul Hoarder
35%inclusion12 decks34 decks
34%synergy
Terrain Generator
35%inclusion12 decks34 decks
33%synergy
Skirge Familiar
38%inclusion13 decks34 decks
33%synergy
Diabolic Tutor
47%inclusion16 decks34 decks
33%synergy
Vilis, Broker of Blood
44%inclusion15 decks34 decks
31%synergy
Top Cards
Dark Ritual
59%inclusion20 decks34 decks
-8%synergy
Gray Merchant of Asphodel
59%inclusion20 decks34 decks
7%synergy
Crypt Ghast
47%inclusion16 decks34 decks
-1%synergy
Snuff Out
41%inclusion14 decks34 decks
28%synergy
Jet Medallion
41%inclusion14 decks34 decks
-20%synergy
Solemn Simulacrum
38%inclusion13 decks34 decks
16%synergy
Razaketh, the Foulblooded
35%inclusion12 decks34 decks
30%synergy
Dread Return
35%inclusion12 decks34 decks
23%synergy
Nirkana Revenant
35%inclusion12 decks34 decks
24%synergy
Bloodgift Demon
32%inclusion11 decks34 decks
29%synergy
Game Changers
Ancient Tomb
24%inclusion8 decks34 decks
12%synergy
Necropotence
21%inclusion7 decks34 decks
6%synergy
Bolas's Citadel
15%inclusion5 decks34 decks
-14%synergy
Demonic Tutor
15%inclusion5 decks34 decks
-13%synergy
Glacial Chasm
8.8%inclusion3 decks34 decks
8%synergy
Grim Monolith
5.9%inclusion2 decks34 decks
3%synergy
Creatures
Ob Nixilis, Unshackled
29%inclusion10 decks34 decks
26%synergy
Burning-Rune Demon
29%inclusion10 decks34 decks
28%synergy
Harvester of Souls
29%inclusion10 decks34 decks
23%synergy
Valgavoth, Terror Eater
29%inclusion10 decks34 decks
24%synergy
Dimir House Guard
26%inclusion9 decks34 decks
23%synergy
Shriekmaw
26%inclusion9 decks34 decks
24%synergy
Archfiend of Despair
26%inclusion9 decks34 decks
24%synergy
Abhorrent Overlord
24%inclusion8 decks34 decks
19%synergy
Dross Golem
24%inclusion8 decks34 decks
23%synergy
Geode Golem
24%inclusion8 decks34 decks
23%synergy
Nightmare Shepherd
24%inclusion8 decks34 decks
22%synergy
Magus of the Coffers
24%inclusion8 decks34 decks
17%synergy
Doom Whisperer
24%inclusion8 decks34 decks
20%synergy
Varragoth, Bloodsky Sire
24%inclusion8 decks34 decks
19%synergy
Reiver Demon
24%inclusion8 decks34 decks
21%synergy
Shadowgrange Archfiend
24%inclusion8 decks34 decks
22%synergy
Infernal Sovereign
24%inclusion8 decks34 decks
23%synergy
Bloodletter of Aclazotz
24%inclusion8 decks34 decks
13%synergy
K'rrik, Son of Yawgmoth
24%inclusion8 decks34 decks
5%synergy
Ardyn, the Usurper
21%inclusion5 decks24 decks
18%synergy
Bringer of the Last Gift
21%inclusion7 decks34 decks
20%synergy
Twilight Prophet
21%inclusion7 decks34 decks
15%synergy
Phantasmagorian
21%inclusion7 decks34 decks
21%synergy
Pestilence Demon
21%inclusion7 decks34 decks
19%synergy
Necrotic Ooze
21%inclusion7 decks34 decks
16%synergy
Indulgent Tormentor
21%inclusion7 decks34 decks
19%synergy
Overseer of the Damned
21%inclusion7 decks34 decks
18%synergy
Reaper from the Abyss
21%inclusion7 decks34 decks
18%synergy
Crabomination
18%inclusion6 decks34 decks
17%synergy
Massacre Wurm
18%inclusion6 decks34 decks
0%synergy
Defiler of Flesh
18%inclusion6 decks34 decks
14%synergy
Deepwood Legate
18%inclusion6 decks34 decks
17%synergy
Disciple of Bolas
18%inclusion6 decks34 decks
13%synergy
Hollow One
18%inclusion6 decks34 decks
18%synergy
Demon of Dark Schemes
18%inclusion6 decks34 decks
16%synergy
Dread
15%inclusion5 decks34 decks
14%synergy
Blood Speaker
15%inclusion5 decks34 decks
14%synergy
Lord of the Void
15%inclusion5 decks34 decks
13%synergy
Desecration Demon
15%inclusion5 decks34 decks
13%synergy
Sibsig Muckdraggers
15%inclusion5 decks34 decks
15%synergy
Doomsday Excruciator
15%inclusion5 decks34 decks
12%synergy
Sower of Discord
15%inclusion5 decks34 decks
13%synergy
The Speed Demon
15%inclusion5 decks34 decks
13%synergy
Metamorphosis Fanatic
12%inclusion4 decks34 decks
10%synergy
Sheoldred, Whispering One
12%inclusion4 decks34 decks
0%synergy
Cackling Imp
12%inclusion4 decks34 decks
12%synergy
Scourge of the Skyclaves
12%inclusion4 decks34 decks
11%synergy
Ruthless Technomancer
12%inclusion4 decks34 decks
10%synergy
Burnished Hart
12%inclusion4 decks34 decks
4%synergy
Grief
12%inclusion4 decks34 decks
9%synergy
Instants
Hagra Mauling
32%inclusion11 decks34 decks
28%synergy
Baleful Mastery
29%inclusion10 decks34 decks
20%synergy
Deadly Rollick
29%inclusion10 decks34 decks
5%synergy
Fell the Profane
26%inclusion9 decks34 decks
8%synergy
Withering Torment
18%inclusion6 decks34 decks
-14%synergy
Cabal Ritual
15%inclusion5 decks34 decks
-3%synergy
Soul Spike
15%inclusion5 decks34 decks
15%synergy
Tendrils of Corruption
12%inclusion4 decks34 decks
8%synergy
Sacrifice
12%inclusion4 decks34 decks
7%synergy
Flare of Malice
12%inclusion4 decks34 decks
-1%synergy
Vraska's Contempt
8.8%inclusion3 decks34 decks
8%synergy
Force of Despair
8.8%inclusion3 decks34 decks
1%synergy
Imp's Mischief
8.8%inclusion3 decks34 decks
-16%synergy
Defile
8.8%inclusion3 decks34 decks
-28%synergy
Saw in Half
8.8%inclusion3 decks34 decks
1%synergy
Zuko's Exile
7.1%inclusion1 decks14 decks
7%synergy
Hero's Downfall
5.9%inclusion2 decks34 decks
-1%synergy
Dark Bargain
5.9%inclusion2 decks34 decks
5%synergy
Moonlight Bargain
5.9%inclusion2 decks34 decks
6%synergy
Necrologia
5.9%inclusion2 decks34 decks
4%synergy
Curtains' Call
5.9%inclusion2 decks34 decks
4%synergy
Makeshift Mannequin
5.9%inclusion2 decks34 decks
6%synergy
Entomb
5.9%inclusion2 decks34 decks
-6%synergy
Not Dead After All
5.9%inclusion2 decks34 decks
-5%synergy
Tsabo's Decree
5.9%inclusion2 decks34 decks
6%synergy
Dismember
5.9%inclusion2 decks34 decks
-5%synergy
Go for the Throat
5.9%inclusion2 decks34 decks
-17%synergy
Sudden Spoiling
5.9%inclusion2 decks34 decks
-3%synergy
Sorceries
Unmask
26%inclusion9 decks34 decks
26%synergy
Beseech the Queen
26%inclusion9 decks34 decks
20%synergy
Damnation
24%inclusion8 decks34 decks
3%synergy
Feed the Swarm
24%inclusion8 decks34 decks
-27%synergy
Living Death
24%inclusion8 decks34 decks
13%synergy
Reanimate
21%inclusion7 decks34 decks
-19%synergy
Bubbling Muck
21%inclusion7 decks34 decks
5%synergy
Mutilate
21%inclusion7 decks34 decks
3%synergy
Toxic Deluge
18%inclusion6 decks34 decks
-19%synergy
Patriarch's Bidding
18%inclusion6 decks34 decks
13%synergy
Exsanguinate
18%inclusion6 decks34 decks
-7%synergy
Blasphemous Edict
15%inclusion5 decks34 decks
-2%synergy
Syphon Mind
15%inclusion5 decks34 decks
2%synergy
Will of the Abzan
14%inclusion4 decks29 decks
10%synergy
Demonic Counsel
12%inclusion4 decks34 decks
9%synergy
Peer into the Abyss
12%inclusion4 decks34 decks
1%synergy
Torment of Hailfire
12%inclusion4 decks34 decks
-4%synergy
Read the Bones
12%inclusion4 decks34 decks
-6%synergy
Kindred Dominance
12%inclusion4 decks34 decks
7%synergy
Decree of Pain
12%inclusion4 decks34 decks
6%synergy
Breach the Multiverse
12%inclusion4 decks34 decks
6%synergy
Ritual of Soot
8.8%inclusion3 decks34 decks
9%synergy
Haunting Voyage
8.8%inclusion3 decks34 decks
8%synergy
Fraying Omnipotence
8.8%inclusion3 decks34 decks
7%synergy
Demonic Collusion
8.8%inclusion3 decks34 decks
8%synergy
Dark Petition
8.8%inclusion3 decks34 decks
5%synergy
Sign in Blood
8.8%inclusion3 decks34 decks
-27%synergy
Razaketh's Rite
8.8%inclusion3 decks34 decks
8%synergy
Incarnation Technique
8.8%inclusion3 decks34 decks
7%synergy
Command the Dreadhorde
8.8%inclusion3 decks34 decks
7%synergy
Victimize
8.8%inclusion3 decks34 decks
-18%synergy
Night's Whisper
8.8%inclusion3 decks34 decks
-16%synergy
Gild
8.8%inclusion3 decks34 decks
9%synergy
Necromantic Selection
8.8%inclusion3 decks34 decks
7%synergy
Massacre
8.8%inclusion3 decks34 decks
8%synergy
Dredge the Mire
5.9%inclusion2 decks34 decks
5%synergy
Come Back Wrong
5.9%inclusion2 decks34 decks
3%synergy
Head Games
5.9%inclusion2 decks34 decks
6%synergy
Liliana's Spoils
5.9%inclusion2 decks34 decks
5%synergy
Ever After
5.9%inclusion2 decks34 decks
5%synergy
In Garruk's Wake
5.9%inclusion2 decks34 decks
2%synergy
Rise of the Dark Realms
5.9%inclusion2 decks34 decks
-7%synergy
Awaken the Erstwhile
5.9%inclusion2 decks34 decks
4%synergy
Unmarked Grave
5.9%inclusion2 decks34 decks
2%synergy
Damnable Pact
5.9%inclusion2 decks34 decks
2%synergy
Agadeem's Awakening
5.9%inclusion2 decks34 decks
-1%synergy
Mastermind's Acquisition
5.9%inclusion2 decks34 decks
4%synergy
Cruel Entertainment
5.9%inclusion2 decks34 decks
6%synergy
Buried Alive
5.9%inclusion2 decks34 decks
-6%synergy
Liturgy of Blood
5.9%inclusion2 decks34 decks
6%synergy
Utility Artifacts
Expedition Map
24%inclusion8 decks34 decks
11%synergy
Bontu's Monument
24%inclusion8 decks34 decks
-5%synergy
The Darkness Crystal
21%inclusion5 decks24 decks
1%synergy
Urza's Incubator
21%inclusion7 decks34 decks
19%synergy
Conjurer's Closet
15%inclusion5 decks34 decks
13%synergy
Wayfarer's Bauble
12%inclusion4 decks34 decks
-4%synergy
Boompile
12%inclusion4 decks34 decks
12%synergy
Lightning Greaves
12%inclusion4 decks34 decks
-22%synergy
Herald's Horn
8.8%inclusion3 decks34 decks
3%synergy
Quicksilver Amulet
8.8%inclusion3 decks34 decks
9%synergy
Planetarium of Wan Shi Tong
7.1%inclusion1 decks14 decks
7%synergy
Staff of Nin
5.9%inclusion2 decks34 decks
5%synergy
Panharmonicon
5.9%inclusion2 decks34 decks
4%synergy
Anvil of Bogardan
5.9%inclusion2 decks34 decks
4%synergy
Mask of Griselbrand
5.9%inclusion2 decks34 decks
3%synergy
Elbrus, the Binding Blade
5.9%inclusion2 decks34 decks
5%synergy
Moonsilver Key
5.9%inclusion2 decks34 decks
5%synergy
Cauldron of Souls
5.9%inclusion2 decks34 decks
4%synergy
Portcullis
5.9%inclusion2 decks34 decks
6%synergy
Shadowspear
5.9%inclusion2 decks34 decks
2%synergy
Vanquisher's Banner
5.9%inclusion2 decks34 decks
2%synergy
Voltaic Key
5.9%inclusion2 decks34 decks
5%synergy
Manifold Key
5.9%inclusion2 decks34 decks
4%synergy
Swiftfoot Boots
5.9%inclusion2 decks34 decks
-26%synergy
Thaumatic Compass
5.9%inclusion2 decks34 decks
5%synergy
Enchantments
Liliana's Contract
32%inclusion11 decks34 decks
30%synergy
Unholy Annex // Ritual Chamber
26%inclusion9 decks34 decks
24%synergy
Animate Dead
24%inclusion8 decks34 decks
6%synergy
Heartless Summoning
24%inclusion8 decks34 decks
19%synergy
Black Market Connections
18%inclusion6 decks34 decks
-6%synergy
Phyrexian Arena
18%inclusion6 decks34 decks
-22%synergy
Black Market
12%inclusion4 decks34 decks
-9%synergy
Greed
12%inclusion4 decks34 decks
5%synergy
Demonic Covenant
12%inclusion4 decks34 decks
11%synergy
The Eldest Reborn
12%inclusion4 decks34 decks
8%synergy
Necromancy
12%inclusion4 decks34 decks
6%synergy
Leyline of the Void
12%inclusion4 decks34 decks
10%synergy
Virtue of Persistence
12%inclusion4 decks34 decks
7%synergy
Parker Luck
11%inclusion2 decks18 decks
10%synergy
The Meathook Massacre
8.8%inclusion3 decks34 decks
-8%synergy
Homicidal Seclusion
8.8%inclusion3 decks34 decks
9%synergy
Revenge of Ravens
8.8%inclusion3 decks34 decks
7%synergy
Ripples of Undeath
8.8%inclusion3 decks34 decks
3%synergy
Obsessive Pursuit
7.1%inclusion1 decks14 decks
5%synergy
Lich's Mastery
5.9%inclusion2 decks34 decks
4%synergy
Exquisite Blood
5.9%inclusion2 decks34 decks
-7%synergy
Rite of Belzenlok
5.9%inclusion2 decks34 decks
6%synergy
Feast of Sanity
5.9%inclusion2 decks34 decks
5%synergy
Oversold Cemetery
5.9%inclusion2 decks34 decks
1%synergy
Deadly Wanderings
5.9%inclusion2 decks34 decks
6%synergy
Mark of the Oni
5.9%inclusion2 decks34 decks
6%synergy
Faith of the Devoted
5.9%inclusion2 decks34 decks
5%synergy
No Mercy
5.9%inclusion2 decks34 decks
-1%synergy
Dance of the Dead
5.9%inclusion2 decks34 decks
2%synergy
Funeral Room // Awakening Hall
5.9%inclusion2 decks34 decks
1%synergy
One Ring to Rule Them All
5.9%inclusion2 decks34 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
26%inclusion9 decks34 decks
12%synergy
Ob Nixilis, the Hate-Twisted
12%inclusion4 decks34 decks
9%synergy
Liliana, Dreadhorde General
12%inclusion4 decks34 decks
-2%synergy
Ob Nixilis Reignited
8.8%inclusion3 decks34 decks
6%synergy
Tezzeret, Cruel Captain
8.7%inclusion2 decks23 decks
7%synergy
Ob Nixilis of the Black Oath
5.9%inclusion2 decks34 decks
5%synergy
Sorin Markov
5.9%inclusion2 decks34 decks
3%synergy
Liliana, Waker of the Dead
5.9%inclusion2 decks34 decks
1%synergy
Utility Lands
Cabal Coffers
65%inclusion22 decks34 decks
10%synergy
Urborg, Tomb of Yawgmoth
47%inclusion16 decks34 decks
9%synergy
Cabal Stronghold
41%inclusion14 decks34 decks
6%synergy
Bojuka Bog
35%inclusion12 decks34 decks
-12%synergy
Reliquary Tower
35%inclusion12 decks34 decks
5%synergy
Peat Bog
29%inclusion10 decks34 decks
27%synergy
Nykthos, Shrine to Nyx
26%inclusion9 decks34 decks
-3%synergy
Bottomless Vault
24%inclusion8 decks34 decks
23%synergy
Witch's Cottage
24%inclusion8 decks34 decks
-1%synergy
Subterranean Hangar
21%inclusion7 decks34 decks
20%synergy
Mage-Ring Network
21%inclusion7 decks34 decks
20%synergy
Phyrexian Tower
21%inclusion7 decks34 decks
-4%synergy
Crystal Vein
21%inclusion7 decks34 decks
18%synergy
Command Beacon
18%inclusion6 decks34 decks
9%synergy
Lake of the Dead
18%inclusion6 decks34 decks
12%synergy
Castle Locthwain
18%inclusion6 decks34 decks
0%synergy
Radiant Fountain
18%inclusion6 decks34 decks
16%synergy
Witch's Clinic
18%inclusion6 decks34 decks
16%synergy
War Room
18%inclusion6 decks34 decks
1%synergy
Untaidake, the Cloud Keeper
15%inclusion5 decks34 decks
15%synergy
Deserted Temple
15%inclusion5 decks34 decks
10%synergy
Scorched Ruins
15%inclusion5 decks34 decks
14%synergy
Zoetic Cavern
12%inclusion4 decks34 decks
12%synergy
Rogue's Passage
12%inclusion4 decks34 decks
-7%synergy
Barren Moor
12%inclusion4 decks34 decks
2%synergy
Blast Zone
12%inclusion4 decks34 decks
10%synergy
Vesuva
12%inclusion4 decks34 decks
9%synergy
Thespian's Stage
12%inclusion4 decks34 decks
6%synergy
City of Traitors
8.8%inclusion3 decks34 decks
7%synergy
Nephalia Academy
8.8%inclusion3 decks34 decks
9%synergy
High Market
8.8%inclusion3 decks34 decks
2%synergy
Takenuma, Abandoned Mire
8.8%inclusion3 decks34 decks
-7%synergy
Shizo, Death's Storehouse
8.8%inclusion3 decks34 decks
-1%synergy
Crypt of Agadeem
8.8%inclusion3 decks34 decks
-2%synergy
Volrath's Stronghold
8.8%inclusion3 decks34 decks
5%synergy
Realm of Koh
7.1%inclusion1 decks14 decks
4%synergy
Desert of the Glorified
5.9%inclusion2 decks34 decks
3%synergy
Quicksand
5.9%inclusion2 decks34 decks
6%synergy
Urza's Saga
5.9%inclusion2 decks34 decks
-2%synergy
Geier Reach Sanitarium
5.9%inclusion2 decks34 decks
-5%synergy
Glimmerpost
5.9%inclusion2 decks34 decks
6%synergy
Scavenger Grounds
5.9%inclusion2 decks34 decks
4%synergy
Emergence Zone
5.9%inclusion2 decks34 decks
3%synergy
The Biblioplex
5.9%inclusion2 decks34 decks
6%synergy
Cloudpost
5.9%inclusion2 decks34 decks
6%synergy
Field of Ruin
5.9%inclusion2 decks34 decks
3%synergy
Mana Artifacts
Thran Dynamo
56%inclusion19 decks34 decks
50%synergy
Sol Ring
53%inclusion18 decks34 decks
-33%synergy
Hedron Archive
38%inclusion13 decks34 decks
35%synergy
Arcane Signet
32%inclusion11 decks34 decks
-30%synergy
Caged Sun
32%inclusion11 decks34 decks
21%synergy
Throne of Eldraine
29%inclusion10 decks34 decks
19%synergy
Stonespeaker Crystal
29%inclusion10 decks34 decks
29%synergy
Worn Powerstone
26%inclusion9 decks34 decks
22%synergy
Charcoal Diamond
26%inclusion9 decks34 decks
4%synergy
Sceptre of Eternal Glory
24%inclusion8 decks34 decks
15%synergy
Sisay's Ring
21%inclusion7 decks34 decks
20%synergy
Mind Stone
21%inclusion7 decks34 decks
-9%synergy
Thought Vessel
21%inclusion7 decks34 decks
-6%synergy
Nyx Lotus
18%inclusion6 decks34 decks
11%synergy
Ur-Golem's Eye
18%inclusion6 decks34 decks
17%synergy
Fellwar Stone
15%inclusion5 decks34 decks
0%synergy
Paradise Plume
12%inclusion4 decks34 decks
11%synergy
Gilded Lotus
12%inclusion4 decks34 decks
6%synergy
Extraplanar Lens
12%inclusion4 decks34 decks
7%synergy
The Soul Stone
10%inclusion2 decks21 decks
-4%synergy
Dreamstone Hedron
8.8%inclusion3 decks34 decks
8%synergy
Everflowing Chalice
8.8%inclusion3 decks34 decks
3%synergy
Commander's Sphere
8.8%inclusion3 decks34 decks
0%synergy
Gauntlet of Power
8.8%inclusion3 decks34 decks
5%synergy
Séance Board
8.8%inclusion3 decks34 decks
7%synergy
Firemind Vessel
5.9%inclusion2 decks34 decks
6%synergy
Ichor Elixir
5.9%inclusion2 decks34 decks
6%synergy
Coldsteel Heart
5.9%inclusion2 decks34 decks
4%synergy
Lands
Swamp
94%inclusion32 decks34 decks
-1%synergy
Myriad Landscape
44%inclusion15 decks34 decks
18%synergy
Cavern of Souls
32%inclusion11 decks34 decks
26%synergy
Hagra Mauling
32%inclusion11 decks34 decks
28%synergy
Fell the Profane
26%inclusion9 decks34 decks
8%synergy
Urza's Cave
24%inclusion8 decks34 decks
15%synergy
Gemstone Caverns
12%inclusion4 decks34 decks
7%synergy
Horizon of Progress
12%inclusion4 decks34 decks
11%synergy
Talon Gates of Madara
12%inclusion4 decks34 decks
10%synergy
Boggart Trawler
8.8%inclusion3 decks34 decks
0%synergy
Snow-Covered Swamp
5.9%inclusion2 decks34 decks
-1%synergy
Agadeem's Awakening
5.9%inclusion2 decks34 decks
-1%synergy
Path of Ancestry
5.9%inclusion2 decks34 decks
1%synergy
Lazotep Quarry
5.9%inclusion2 decks34 decks
5%synergy
Ash Barrens
5.9%inclusion2 decks34 decks
5%synergy