Demonlord Belzenlok (Commander) - Upgraded

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
25%inclusion2 decks8 decks
24%synergy
High Synergy Cards
Whip of Erebos
51%inclusion18 decks35 decks
41%synergy
Archfiend of Depravity
46%inclusion16 decks35 decks
39%synergy
Rune-Scarred Demon
43%inclusion15 decks35 decks
38%synergy
Temple of the False God
46%inclusion16 decks35 decks
38%synergy
Ebon Stronghold
37%inclusion13 decks35 decks
36%synergy
Kothophed, Soul Hoarder
34%inclusion12 decks35 decks
33%synergy
Vilis, Broker of Blood
46%inclusion16 decks35 decks
33%synergy
Terrain Generator
34%inclusion12 decks35 decks
32%synergy
Skirge Familiar
37%inclusion13 decks35 decks
32%synergy
Razaketh, the Foulblooded
37%inclusion13 decks35 decks
32%synergy
Top Cards
Gray Merchant of Asphodel
60%inclusion21 decks35 decks
9%synergy
Dark Ritual
57%inclusion20 decks35 decks
-9%synergy
Crypt Ghast
49%inclusion17 decks35 decks
1%synergy
Diabolic Tutor
46%inclusion16 decks35 decks
31%synergy
Solemn Simulacrum
40%inclusion14 decks35 decks
18%synergy
Snuff Out
40%inclusion14 decks35 decks
27%synergy
Jet Medallion
40%inclusion14 decks35 decks
-22%synergy
Nirkana Revenant
37%inclusion13 decks35 decks
26%synergy
Dread Return
34%inclusion12 decks35 decks
22%synergy
Liliana's Contract
34%inclusion12 decks35 decks
32%synergy
Game Changers
Ancient Tomb
26%inclusion9 decks35 decks
14%synergy
Necropotence
20%inclusion7 decks35 decks
5%synergy
Demonic Tutor
17%inclusion6 decks35 decks
-10%synergy
Bolas's Citadel
14%inclusion5 decks35 decks
-14%synergy
Glacial Chasm
8.6%inclusion3 decks35 decks
8%synergy
Grim Monolith
5.7%inclusion2 decks35 decks
3%synergy
Creatures
Bloodgift Demon
34%inclusion12 decks35 decks
31%synergy
Burning-Rune Demon
31%inclusion11 decks35 decks
30%synergy
Ob Nixilis, Unshackled
29%inclusion10 decks35 decks
26%synergy
Archfiend of Despair
29%inclusion10 decks35 decks
26%synergy
Valgavoth, Terror Eater
29%inclusion10 decks35 decks
23%synergy
Dimir House Guard
26%inclusion9 decks35 decks
22%synergy
Shriekmaw
26%inclusion9 decks35 decks
23%synergy
Shadowgrange Archfiend
26%inclusion9 decks35 decks
24%synergy
Harvester of Souls
26%inclusion9 decks35 decks
19%synergy
Nightmare Shepherd
26%inclusion9 decks35 decks
24%synergy
K'rrik, Son of Yawgmoth
26%inclusion9 decks35 decks
7%synergy
Reiver Demon
26%inclusion9 decks35 decks
24%synergy
Abhorrent Overlord
23%inclusion8 decks35 decks
19%synergy
Magus of the Coffers
23%inclusion8 decks35 decks
16%synergy
Bloodletter of Aclazotz
23%inclusion8 decks35 decks
12%synergy
Doom Whisperer
23%inclusion8 decks35 decks
20%synergy
Dross Golem
23%inclusion8 decks35 decks
23%synergy
Geode Golem
23%inclusion8 decks35 decks
22%synergy
Infernal Sovereign
23%inclusion8 decks35 decks
22%synergy
Reaper from the Abyss
23%inclusion8 decks35 decks
21%synergy
Bringer of the Last Gift
20%inclusion7 decks35 decks
19%synergy
Phantasmagorian
20%inclusion7 decks35 decks
20%synergy
Pestilence Demon
20%inclusion7 decks35 decks
18%synergy
Demon of Dark Schemes
20%inclusion7 decks35 decks
19%synergy
Indulgent Tormentor
20%inclusion7 decks35 decks
18%synergy
Disciple of Bolas
20%inclusion7 decks35 decks
15%synergy
Varragoth, Bloodsky Sire
20%inclusion7 decks35 decks
16%synergy
Overseer of the Damned
20%inclusion7 decks35 decks
17%synergy
Ardyn, the Usurper
20%inclusion5 decks25 decks
17%synergy
Twilight Prophet
20%inclusion7 decks35 decks
14%synergy
Necrotic Ooze
17%inclusion6 decks35 decks
13%synergy
Defiler of Flesh
17%inclusion6 decks35 decks
13%synergy
Deepwood Legate
17%inclusion6 decks35 decks
17%synergy
Crabomination
17%inclusion6 decks35 decks
16%synergy
Massacre Wurm
17%inclusion6 decks35 decks
0%synergy
Doomsday Excruciator
17%inclusion6 decks35 decks
15%synergy
Hollow One
17%inclusion6 decks35 decks
17%synergy
The Speed Demon
17%inclusion6 decks35 decks
15%synergy
Dream Devourer
14%inclusion5 decks35 decks
13%synergy
Blood Speaker
14%inclusion5 decks35 decks
14%synergy
Sibsig Muckdraggers
14%inclusion5 decks35 decks
14%synergy
Lord of the Void
14%inclusion5 decks35 decks
13%synergy
Burnished Hart
14%inclusion5 decks35 decks
7%synergy
Sower of Discord
14%inclusion5 decks35 decks
13%synergy
Desecration Demon
14%inclusion5 decks35 decks
13%synergy
Metamorphosis Fanatic
11%inclusion4 decks35 decks
10%synergy
Dread
11%inclusion4 decks35 decks
11%synergy
Grief
11%inclusion4 decks35 decks
9%synergy
Grim Poppet
11%inclusion4 decks35 decks
11%synergy
Ruthless Technomancer
11%inclusion4 decks35 decks
10%synergy
Instants
Hagra Mauling
34%inclusion12 decks35 decks
30%synergy
Deadly Rollick
31%inclusion11 decks35 decks
7%synergy
Baleful Mastery
31%inclusion11 decks35 decks
23%synergy
Fell the Profane
29%inclusion10 decks35 decks
10%synergy
Withering Torment
17%inclusion6 decks35 decks
-14%synergy
Cabal Ritual
14%inclusion5 decks35 decks
-4%synergy
Soul Spike
14%inclusion5 decks35 decks
14%synergy
Sacrifice
11%inclusion4 decks35 decks
7%synergy
Flare of Malice
11%inclusion4 decks35 decks
-2%synergy
Tendrils of Corruption
11%inclusion4 decks35 decks
8%synergy
Hero's Downfall
8.6%inclusion3 decks35 decks
2%synergy
Force of Despair
8.6%inclusion3 decks35 decks
1%synergy
Go for the Throat
8.6%inclusion3 decks35 decks
-15%synergy
Imp's Mischief
8.6%inclusion3 decks35 decks
-16%synergy
Vraska's Contempt
8.6%inclusion3 decks35 decks
8%synergy
Defile
8.6%inclusion3 decks35 decks
-28%synergy
Entomb
8.6%inclusion3 decks35 decks
-3%synergy
Saw in Half
8.6%inclusion3 decks35 decks
0%synergy
Zuko's Exile
6.3%inclusion1 decks16 decks
6%synergy
Dark Bargain
5.7%inclusion2 decks35 decks
5%synergy
Not Dead After All
5.7%inclusion2 decks35 decks
-6%synergy
Moonlight Bargain
5.7%inclusion2 decks35 decks
5%synergy
Tsabo's Decree
5.7%inclusion2 decks35 decks
6%synergy
Malakir Rebirth
5.7%inclusion2 decks35 decks
-17%synergy
Lethal Scheme
5.7%inclusion2 decks35 decks
3%synergy
Curtains' Call
5.7%inclusion2 decks35 decks
4%synergy
Makeshift Mannequin
5.7%inclusion2 decks35 decks
6%synergy
Sudden Spoiling
5.7%inclusion2 decks35 decks
-3%synergy
Dismember
5.7%inclusion2 decks35 decks
-5%synergy
Necrologia
5.7%inclusion2 decks35 decks
4%synergy
Infernal Grasp
5.7%inclusion2 decks35 decks
-19%synergy
Sorceries
Unmask
26%inclusion9 decks35 decks
25%synergy
Feed the Swarm
26%inclusion9 decks35 decks
-25%synergy
Reanimate
26%inclusion9 decks35 decks
-14%synergy
Beseech the Queen
26%inclusion9 decks35 decks
20%synergy
Damnation
23%inclusion8 decks35 decks
2%synergy
Living Death
23%inclusion8 decks35 decks
13%synergy
Bubbling Muck
20%inclusion7 decks35 decks
4%synergy
Mutilate
20%inclusion7 decks35 decks
3%synergy
Patriarch's Bidding
17%inclusion6 decks35 decks
13%synergy
Exsanguinate
17%inclusion6 decks35 decks
-7%synergy
Syphon Mind
17%inclusion6 decks35 decks
5%synergy
Toxic Deluge
17%inclusion6 decks35 decks
-20%synergy
Torment of Hailfire
14%inclusion5 decks35 decks
-1%synergy
Blasphemous Edict
14%inclusion5 decks35 decks
-2%synergy
Will of the Abzan
13%inclusion4 decks30 decks
10%synergy
Haunting Voyage
11%inclusion4 decks35 decks
10%synergy
Peer into the Abyss
11%inclusion4 decks35 decks
1%synergy
Read the Bones
11%inclusion4 decks35 decks
-6%synergy
Demonic Counsel
11%inclusion4 decks35 decks
8%synergy
Night's Whisper
11%inclusion4 decks35 decks
-13%synergy
Kindred Dominance
11%inclusion4 decks35 decks
7%synergy
Languish
11%inclusion4 decks35 decks
10%synergy
Decree of Pain
11%inclusion4 decks35 decks
6%synergy
Sign in Blood
11%inclusion4 decks35 decks
-24%synergy
Breach the Multiverse
11%inclusion4 decks35 decks
5%synergy
Incarnation Technique
8.6%inclusion3 decks35 decks
7%synergy
Razaketh's Rite
8.6%inclusion3 decks35 decks
8%synergy
Command the Dreadhorde
8.6%inclusion3 decks35 decks
7%synergy
Victimize
8.6%inclusion3 decks35 decks
-18%synergy
Persist
8.6%inclusion3 decks35 decks
5%synergy
Fraying Omnipotence
8.6%inclusion3 decks35 decks
7%synergy
Ritual of Soot
8.6%inclusion3 decks35 decks
8%synergy
Demonic Collusion
8.6%inclusion3 decks35 decks
8%synergy
Gild
8.6%inclusion3 decks35 decks
8%synergy
Massacre
8.6%inclusion3 decks35 decks
8%synergy
Dark Petition
8.6%inclusion3 decks35 decks
5%synergy
Buried Alive
8.6%inclusion3 decks35 decks
-3%synergy
Promise of Power
8.6%inclusion3 decks35 decks
7%synergy
Necromantic Selection
8.6%inclusion3 decks35 decks
7%synergy
Awaken the Erstwhile
5.7%inclusion2 decks35 decks
4%synergy
Unmarked Grave
5.7%inclusion2 decks35 decks
1%synergy
Dredge the Mire
5.7%inclusion2 decks35 decks
5%synergy
Profane Tutor
5.7%inclusion2 decks35 decks
1%synergy
Come Back Wrong
5.7%inclusion2 decks35 decks
3%synergy
Endless Obedience
5.7%inclusion2 decks35 decks
5%synergy
Bad Deal
5.7%inclusion2 decks35 decks
5%synergy
Damnable Pact
5.7%inclusion2 decks35 decks
2%synergy
Agadeem's Awakening
5.7%inclusion2 decks35 decks
-2%synergy
Head Games
5.7%inclusion2 decks35 decks
5%synergy
Unbreakable Bond
5.7%inclusion2 decks35 decks
6%synergy
Utility Artifacts
Expedition Map
26%inclusion9 decks35 decks
14%synergy
Bontu's Monument
26%inclusion9 decks35 decks
-3%synergy
The Darkness Crystal
24%inclusion6 decks25 decks
4%synergy
Urza's Incubator
23%inclusion8 decks35 decks
21%synergy
Wayfarer's Bauble
14%inclusion5 decks35 decks
-1%synergy
Lightning Greaves
14%inclusion5 decks35 decks
-19%synergy
Conjurer's Closet
14%inclusion5 decks35 decks
12%synergy
Boompile
11%inclusion4 decks35 decks
11%synergy
Quicksilver Amulet
11%inclusion4 decks35 decks
11%synergy
Vanquisher's Banner
8.6%inclusion3 decks35 decks
5%synergy
Herald's Horn
8.6%inclusion3 decks35 decks
3%synergy
Swiftfoot Boots
8.6%inclusion3 decks35 decks
-23%synergy
Voltaic Key
5.7%inclusion2 decks35 decks
5%synergy
Moonsilver Key
5.7%inclusion2 decks35 decks
5%synergy
Manifold Key
5.7%inclusion2 decks35 decks
4%synergy
Cauldron of Souls
5.7%inclusion2 decks35 decks
4%synergy
Staff of Nin
5.7%inclusion2 decks35 decks
5%synergy
Anvil of Bogardan
5.7%inclusion2 decks35 decks
4%synergy
Panharmonicon
5.7%inclusion2 decks35 decks
4%synergy
Elbrus, the Binding Blade
5.7%inclusion2 decks35 decks
5%synergy
Shadowspear
5.7%inclusion2 decks35 decks
2%synergy
Mask of Griselbrand
5.7%inclusion2 decks35 decks
2%synergy
Thaumatic Compass
5.7%inclusion2 decks35 decks
5%synergy
Enchantments
Animate Dead
29%inclusion10 decks35 decks
11%synergy
Unholy Annex // Ritual Chamber
26%inclusion9 decks35 decks
23%synergy
Heartless Summoning
26%inclusion9 decks35 decks
21%synergy
Phyrexian Arena
20%inclusion7 decks35 decks
-20%synergy
Black Market Connections
17%inclusion6 decks35 decks
-7%synergy
Necromancy
14%inclusion5 decks35 decks
9%synergy
Demonic Covenant
11%inclusion4 decks35 decks
10%synergy
Greed
11%inclusion4 decks35 decks
5%synergy
The Eldest Reborn
11%inclusion4 decks35 decks
8%synergy
Leyline of the Void
11%inclusion4 decks35 decks
10%synergy
Virtue of Persistence
11%inclusion4 decks35 decks
6%synergy
Parker Luck
11%inclusion2 decks19 decks
10%synergy
Black Market
8.6%inclusion3 decks35 decks
-12%synergy
The Meathook Massacre
8.6%inclusion3 decks35 decks
-9%synergy
Ripples of Undeath
8.6%inclusion3 decks35 decks
3%synergy
Homicidal Seclusion
8.6%inclusion3 decks35 decks
8%synergy
Revenge of Ravens
8.6%inclusion3 decks35 decks
6%synergy
Obsessive Pursuit
6.3%inclusion1 decks16 decks
4%synergy
Deadly Wanderings
5.7%inclusion2 decks35 decks
6%synergy
Dance of the Dead
5.7%inclusion2 decks35 decks
2%synergy
Mark of the Oni
5.7%inclusion2 decks35 decks
6%synergy
Funeral Room // Awakening Hall
5.7%inclusion2 decks35 decks
1%synergy
Rite of Belzenlok
5.7%inclusion2 decks35 decks
5%synergy
Feast of Sanity
5.7%inclusion2 decks35 decks
5%synergy
One Ring to Rule Them All
5.7%inclusion2 decks35 decks
5%synergy
Lich's Mastery
5.7%inclusion2 decks35 decks
4%synergy
Oversold Cemetery
5.7%inclusion2 decks35 decks
0%synergy
Exquisite Blood
5.7%inclusion2 decks35 decks
-8%synergy
Faith of the Devoted
5.7%inclusion2 decks35 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
26%inclusion9 decks35 decks
12%synergy
Liliana, Dreadhorde General
11%inclusion4 decks35 decks
-2%synergy
Ob Nixilis, the Hate-Twisted
11%inclusion4 decks35 decks
9%synergy
Ob Nixilis Reignited
8.6%inclusion3 decks35 decks
6%synergy
Tezzeret, Cruel Captain
8.3%inclusion2 decks24 decks
7%synergy
Sorin Markov
5.7%inclusion2 decks35 decks
3%synergy
Ob Nixilis of the Black Oath
5.7%inclusion2 decks35 decks
5%synergy
Liliana, Waker of the Dead
5.7%inclusion2 decks35 decks
1%synergy
Utility Lands
Cabal Coffers
66%inclusion23 decks35 decks
11%synergy
Urborg, Tomb of Yawgmoth
49%inclusion17 decks35 decks
11%synergy
Cabal Stronghold
43%inclusion15 decks35 decks
8%synergy
Bojuka Bog
37%inclusion13 decks35 decks
-10%synergy
Reliquary Tower
37%inclusion13 decks35 decks
7%synergy
Nykthos, Shrine to Nyx
29%inclusion10 decks35 decks
-1%synergy
Peat Bog
29%inclusion10 decks35 decks
27%synergy
Witch's Cottage
23%inclusion8 decks35 decks
-2%synergy
Bottomless Vault
23%inclusion8 decks35 decks
23%synergy
Subterranean Hangar
20%inclusion7 decks35 decks
20%synergy
Phyrexian Tower
20%inclusion7 decks35 decks
-5%synergy
Mage-Ring Network
20%inclusion7 decks35 decks
20%synergy
Crystal Vein
20%inclusion7 decks35 decks
17%synergy
Castle Locthwain
20%inclusion7 decks35 decks
3%synergy
Witch's Clinic
17%inclusion6 decks35 decks
16%synergy
War Room
17%inclusion6 decks35 decks
1%synergy
Radiant Fountain
17%inclusion6 decks35 decks
15%synergy
Lake of the Dead
17%inclusion6 decks35 decks
12%synergy
Command Beacon
17%inclusion6 decks35 decks
9%synergy
Untaidake, the Cloud Keeper
14%inclusion5 decks35 decks
14%synergy
Scorched Ruins
14%inclusion5 decks35 decks
14%synergy
Deserted Temple
14%inclusion5 decks35 decks
10%synergy
Thespian's Stage
14%inclusion5 decks35 decks
9%synergy
Barren Moor
11%inclusion4 decks35 decks
2%synergy
Zoetic Cavern
11%inclusion4 decks35 decks
11%synergy
Blast Zone
11%inclusion4 decks35 decks
9%synergy
Vesuva
11%inclusion4 decks35 decks
9%synergy
Rogue's Passage
11%inclusion4 decks35 decks
-8%synergy
Shizo, Death's Storehouse
8.6%inclusion3 decks35 decks
-2%synergy
Nephalia Academy
8.6%inclusion3 decks35 decks
8%synergy
Crypt of Agadeem
8.6%inclusion3 decks35 decks
-3%synergy
Volrath's Stronghold
8.6%inclusion3 decks35 decks
5%synergy
High Market
8.6%inclusion3 decks35 decks
1%synergy
Takenuma, Abandoned Mire
8.6%inclusion3 decks35 decks
-7%synergy
City of Traitors
8.6%inclusion3 decks35 decks
7%synergy
Realm of Koh
6.3%inclusion1 decks16 decks
3%synergy
Urza's Saga
5.7%inclusion2 decks35 decks
-2%synergy
The Biblioplex
5.7%inclusion2 decks35 decks
6%synergy
Glimmerpost
5.7%inclusion2 decks35 decks
6%synergy
Scavenger Grounds
5.7%inclusion2 decks35 decks
4%synergy
Emergence Zone
5.7%inclusion2 decks35 decks
2%synergy
Geier Reach Sanitarium
5.7%inclusion2 decks35 decks
-5%synergy
Cloudpost
5.7%inclusion2 decks35 decks
6%synergy
Field of Ruin
5.7%inclusion2 decks35 decks
3%synergy
Mana Artifacts
Thran Dynamo
57%inclusion20 decks35 decks
51%synergy
Sol Ring
54%inclusion19 decks35 decks
-32%synergy
Hedron Archive
40%inclusion14 decks35 decks
36%synergy
Caged Sun
34%inclusion12 decks35 decks
23%synergy
Arcane Signet
34%inclusion12 decks35 decks
-28%synergy
Charcoal Diamond
29%inclusion10 decks35 decks
6%synergy
Throne of Eldraine
29%inclusion10 decks35 decks
19%synergy
Stonespeaker Crystal
29%inclusion10 decks35 decks
28%synergy
Worn Powerstone
29%inclusion10 decks35 decks
24%synergy
Sceptre of Eternal Glory
23%inclusion8 decks35 decks
14%synergy
Thought Vessel
23%inclusion8 decks35 decks
-3%synergy
Mind Stone
23%inclusion8 decks35 decks
-6%synergy
Sisay's Ring
20%inclusion7 decks35 decks
20%synergy
Nyx Lotus
17%inclusion6 decks35 decks
11%synergy
Ur-Golem's Eye
17%inclusion6 decks35 decks
17%synergy
Fellwar Stone
14%inclusion5 decks35 decks
0%synergy
Gilded Lotus
14%inclusion5 decks35 decks
9%synergy
Paradise Plume
11%inclusion4 decks35 decks
11%synergy
Extraplanar Lens
11%inclusion4 decks35 decks
6%synergy
The Soul Stone
9.1%inclusion2 decks22 decks
-5%synergy
Dreamstone Hedron
8.6%inclusion3 decks35 decks
8%synergy
Everflowing Chalice
8.6%inclusion3 decks35 decks
3%synergy
Gauntlet of Power
8.6%inclusion3 decks35 decks
5%synergy
Séance Board
8.6%inclusion3 decks35 decks
7%synergy
Commander's Sphere
5.7%inclusion2 decks35 decks
-3%synergy
Coldsteel Heart
5.7%inclusion2 decks35 decks
4%synergy
Firemind Vessel
5.7%inclusion2 decks35 decks
6%synergy
Ichor Elixir
5.7%inclusion2 decks35 decks
6%synergy
Lands
Swamp
91%inclusion32 decks35 decks
-4%synergy
Myriad Landscape
43%inclusion15 decks35 decks
17%synergy
Hagra Mauling
34%inclusion12 decks35 decks
30%synergy
Cavern of Souls
31%inclusion11 decks35 decks
25%synergy
Fell the Profane
29%inclusion10 decks35 decks
10%synergy
Urza's Cave
23%inclusion8 decks35 decks
15%synergy
Horizon of Progress
11%inclusion4 decks35 decks
11%synergy
Talon Gates of Madara
11%inclusion4 decks35 decks
10%synergy
Gemstone Caverns
11%inclusion4 decks35 decks
7%synergy
Boggart Trawler
8.6%inclusion3 decks35 decks
0%synergy
Snow-Covered Swamp
8.6%inclusion3 decks35 decks
2%synergy
Lazotep Quarry
5.7%inclusion2 decks35 decks
5%synergy
Agadeem's Awakening
5.7%inclusion2 decks35 decks
-2%synergy
Ash Barrens
5.7%inclusion2 decks35 decks
4%synergy
Malakir Rebirth
5.7%inclusion2 decks35 decks
-17%synergy
Path of Ancestry
5.7%inclusion2 decks35 decks
1%synergy
Zof Consumption
5.7%inclusion2 decks35 decks
5%synergy