Baron Helmut Zemo (Commander) - Upgraded

Brian Cain
Jun 22, 2026
Moonstone, Harsh Mistress Deck Tech
Marvel Super Heroes brings a mono-black uncommon that turns self-discard into card advantage. Here's how to build with Moonstone, Harsh Mistress at the helm.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Pox Plague
71%inclusion40 decks56 decks
66%synergy
Grave Researcher
29%inclusion17 decks58 decks
21%synergy
Decorum Dissertation
20%inclusion11 decks56 decks
14%synergy
Ral Zarek, Guest Lecturer
17%inclusion10 decks58 decks
15%synergy
M.O.D.O.K.
10%inclusion4 decks39 decks
8%synergy
High Synergy Cards
Doomsday Excruciator
83%inclusion66 decks80 decks
80%synergy
Phyrexian Obliterator
86%inclusion69 decks80 decks
75%synergy
Zodiark, Umbral God
83%inclusion66 decks80 decks
75%synergy
Stitcher's Supplier
78%inclusion62 decks80 decks
72%synergy
Ripples of Undeath
76%inclusion61 decks80 decks
70%synergy
Archenemy's Charm
73%inclusion58 decks80 decks
64%synergy
Breach the Multiverse
66%inclusion53 decks80 decks
60%synergy
Buried Alive
71%inclusion57 decks80 decks
59%synergy
Temporal Extortion
59%inclusion47 decks80 decks
56%synergy
Ardyn, the Usurper
59%inclusion47 decks80 decks
56%synergy
Top Cards
Gray Merchant of Asphodel
85%inclusion68 decks80 decks
34%synergy
Dark Ritual
83%inclusion66 decks80 decks
16%synergy
Reanimate
76%inclusion61 decks80 decks
36%synergy
K'rrik, Son of Yawgmoth
73%inclusion58 decks80 decks
53%synergy
Massacre Wurm
69%inclusion55 decks80 decks
52%synergy
Crypt Ghast
65%inclusion52 decks80 decks
18%synergy
Sign in Blood
64%inclusion51 decks80 decks
29%synergy
Vilis, Broker of Blood
63%inclusion50 decks80 decks
50%synergy
Valgavoth, Terror Eater
61%inclusion49 decks80 decks
56%synergy
Entomb
60%inclusion48 decks80 decks
48%synergy
Game Changers
Bolas's Citadel
46%inclusion37 decks80 decks
18%synergy
Necropotence
18%inclusion14 decks80 decks
3%synergy
Demonic Tutor
15%inclusion12 decks80 decks
-12%synergy
Vampiric Tutor
8.8%inclusion7 decks80 decks
-12%synergy
Orcish Bowmasters
8.8%inclusion7 decks80 decks
-4%synergy
Chrome Mox
6.3%inclusion5 decks80 decks
0%synergy
Ancient Tomb
5.0%inclusion4 decks80 decks
-7%synergy
Creatures
Dauthi Voidwalker
56%inclusion45 decks80 decks
41%synergy
Ayara, First of Locthwain
51%inclusion41 decks80 decks
26%synergy
Bloodletter of Aclazotz
51%inclusion41 decks80 decks
41%synergy
Doom Whisperer
46%inclusion37 decks80 decks
43%synergy
Stinkweed Imp
46%inclusion37 decks80 decks
44%synergy
Golgari Thug
44%inclusion35 decks80 decks
42%synergy
Boggart Trawler
41%inclusion33 decks80 decks
32%synergy
Angel of Suffering
40%inclusion32 decks80 decks
39%synergy
Overlord of the Balemurk
39%inclusion31 decks80 decks
37%synergy
Shard of the Nightbringer
39%inclusion31 decks80 decks
35%synergy
Hoarding Broodlord
36%inclusion29 decks80 decks
32%synergy
Street Wraith
36%inclusion29 decks80 decks
35%synergy
Sheoldred, the Apocalypse
34%inclusion27 decks80 decks
19%synergy
Vile Entomber
30%inclusion24 decks80 decks
24%synergy
Razaketh, the Foulblooded
28%inclusion22 decks80 decks
22%synergy
Blood Pet
28%inclusion22 decks80 decks
19%synergy
Lord of the Void
26%inclusion21 decks80 decks
24%synergy
Nirkana Revenant
24%inclusion19 decks80 decks
13%synergy
Archon of Cruelty
24%inclusion19 decks80 decks
18%synergy
Syr Konrad, the Grim
23%inclusion18 decks80 decks
2%synergy
Abhorrent Overlord
21%inclusion17 decks80 decks
17%synergy
Archfiend of Ifnir
20%inclusion16 decks80 decks
18%synergy
Troll of Khazad-dûm
19%inclusion15 decks80 decks
16%synergy
Gwenom, Remorseless
19%inclusion15 decks80 decks
15%synergy
Undead Butler
18%inclusion14 decks80 decks
15%synergy
Sheoldred, Whispering One
18%inclusion14 decks80 decks
6%synergy
Skirge Familiar
16%inclusion13 decks80 decks
11%synergy
Basal Thrull
15%inclusion12 decks80 decks
14%synergy
Mikaeus, the Unhallowed
15%inclusion12 decks80 decks
7%synergy
Braids, Arisen Nightmare
15%inclusion12 decks80 decks
-5%synergy
Gix, Yawgmoth Praetor
14%inclusion11 decks80 decks
9%synergy
Bitterbloom Bearer
14%inclusion11 decks80 decks
7%synergy
Bloodghast
13%inclusion10 decks80 decks
0%synergy
Millikin
13%inclusion10 decks80 decks
9%synergy
Bone Miser
11%inclusion9 decks80 decks
9%synergy
Defiler of Flesh
11%inclusion9 decks80 decks
7%synergy
Reiver Demon
11%inclusion9 decks80 decks
9%synergy
Twilight Prophet
11%inclusion9 decks80 decks
5%synergy
Noxious Gearhulk
11%inclusion9 decks80 decks
4%synergy
Ancient Cellarspawn
11%inclusion9 decks80 decks
9%synergy
Metamorphosis Fanatic
10%inclusion8 decks80 decks
8%synergy
Dread Presence
10%inclusion8 decks80 decks
-4%synergy
Grim Servant
10%inclusion8 decks80 decks
5%synergy
Mire Triton
10%inclusion8 decks80 decks
8%synergy
Umbra Stalker
10%inclusion8 decks80 decks
10%synergy
Archfiend of Despair
10%inclusion8 decks80 decks
7%synergy
Geralf's Messenger
10%inclusion8 decks80 decks
8%synergy
Scion of Darkness
10%inclusion8 decks80 decks
9%synergy
Tymaret, Chosen from Death
8.8%inclusion7 decks80 decks
7%synergy
Bloodthirsty Conqueror
8.8%inclusion7 decks80 decks
-0%synergy
Instants
Fell the Profane
57%inclusion46 decks80 decks
38%synergy
Malakir Rebirth
57%inclusion46 decks80 decks
34%synergy
Cabal Ritual
45%inclusion36 decks80 decks
27%synergy
Dismember
39%inclusion31 decks80 decks
28%synergy
Imp's Mischief
38%inclusion30 decks80 decks
13%synergy
Deadly Rollick
35%inclusion28 decks80 decks
10%synergy
Withering Torment
31%inclusion25 decks80 decks
-0%synergy
Songs of the Damned
28%inclusion22 decks80 decks
22%synergy
Force of Despair
25%inclusion20 decks80 decks
17%synergy
Snuff Out
24%inclusion19 decks80 decks
10%synergy
Defile
24%inclusion19 decks80 decks
-12%synergy
Consuming Corruption
21%inclusion17 decks80 decks
6%synergy
Hagra Mauling
19%inclusion15 decks80 decks
14%synergy
Bitter Triumph
19%inclusion15 decks80 decks
9%synergy
Darkness
19%inclusion15 decks80 decks
9%synergy
Culling the Weak
19%inclusion15 decks80 decks
2%synergy
Lethal Scheme
19%inclusion15 decks80 decks
16%synergy
Darkblast
18%inclusion14 decks80 decks
17%synergy
Saw in Half
14%inclusion11 decks80 decks
5%synergy
Sacrifice
13%inclusion10 decks80 decks
8%synergy
Flare of Malice
13%inclusion10 decks80 decks
-1%synergy
Infernal Grasp
13%inclusion10 decks80 decks
-13%synergy
Not Dead After All
10%inclusion8 decks80 decks
-1%synergy
Withering Boon
8.8%inclusion7 decks80 decks
4%synergy
Cut Down
7.5%inclusion6 decks80 decks
4%synergy
Drag to the Underworld
7.5%inclusion6 decks80 decks
6%synergy
Sudden Spoiling
7.5%inclusion6 decks80 decks
-1%synergy
Feign Death
7.5%inclusion6 decks80 decks
-1%synergy
Go for the Throat
6.3%inclusion5 decks80 decks
-16%synergy
Supernatural Stamina
6.3%inclusion5 decks80 decks
-1%synergy
One with Nothing
6.3%inclusion5 decks80 decks
6%synergy
Fated Return
5.0%inclusion4 decks80 decks
5%synergy
Professor's Warning
5.0%inclusion4 decks80 decks
4%synergy
Sorceries
Agadeem's Awakening
53%inclusion42 decks80 decks
45%synergy
Invoke Despair
50%inclusion40 decks80 decks
48%synergy
Peer into the Abyss
46%inclusion37 decks80 decks
36%synergy
Toxic Deluge
39%inclusion31 decks80 decks
2%synergy
Feed the Swarm
38%inclusion30 decks80 decks
-13%synergy
Rise of the Dark Realms
38%inclusion30 decks80 decks
24%synergy
Afterlife from the Loam
29%inclusion23 decks80 decks
28%synergy
Unmarked Grave
28%inclusion22 decks80 decks
23%synergy
Beseech the Mirror
26%inclusion21 decks80 decks
19%synergy
Bubbling Muck
25%inclusion20 decks80 decks
9%synergy
Phthisis
25%inclusion20 decks80 decks
25%synergy
Stitch Together
24%inclusion19 decks80 decks
21%synergy
Night's Whisper
24%inclusion19 decks80 decks
-1%synergy
Victimize
21%inclusion17 decks80 decks
-6%synergy
Beseech the Queen
21%inclusion17 decks80 decks
15%synergy
Damnation
21%inclusion17 decks80 decks
1%synergy
Incarnation Technique
18%inclusion14 decks80 decks
16%synergy
Lively Dirge
18%inclusion14 decks80 decks
14%synergy
Blasphemous Edict
16%inclusion13 decks80 decks
-0%synergy
Diresight
16%inclusion13 decks80 decks
13%synergy
Living Death
15%inclusion12 decks80 decks
5%synergy
Army of the Damned
14%inclusion11 decks80 decks
9%synergy
Profane Transfusion
13%inclusion10 decks80 decks
11%synergy
Dread Return
11%inclusion9 decks80 decks
-1%synergy
Exsanguinate
11%inclusion9 decks80 decks
-13%synergy
Risky Research
11%inclusion9 decks80 decks
10%synergy
Insatiable Avarice
10%inclusion8 decks80 decks
-1%synergy
Necromantic Selection
10%inclusion8 decks80 decks
8%synergy
Dark Deal
10%inclusion8 decks80 decks
-1%synergy
Promise of Power
10%inclusion8 decks80 decks
9%synergy
Zof Consumption
10%inclusion8 decks80 decks
9%synergy
Persist
8.8%inclusion7 decks80 decks
5%synergy
Doomsday
8.8%inclusion7 decks80 decks
8%synergy
Morality Shift
8.8%inclusion7 decks80 decks
8%synergy
Chain of Smog
8.8%inclusion7 decks80 decks
5%synergy
In Garruk's Wake
8.8%inclusion7 decks80 decks
5%synergy
Unearth
7.5%inclusion6 decks80 decks
-1%synergy
Pox
7.5%inclusion6 decks80 decks
5%synergy
Demonic Counsel
7.5%inclusion6 decks80 decks
4%synergy
Resentful Revelation
7.5%inclusion6 decks80 decks
5%synergy
Black Sun's Zenith
6.3%inclusion5 decks80 decks
1%synergy
Bone Shards
6.3%inclusion5 decks80 decks
3%synergy
Their Number Is Legion
6.3%inclusion5 decks80 decks
4%synergy
Final Parting
6.3%inclusion5 decks80 decks
2%synergy
Stargaze
6.3%inclusion5 decks80 decks
5%synergy
Dark Petition
6.3%inclusion5 decks80 decks
2%synergy
Shared Trauma
6.3%inclusion5 decks80 decks
6%synergy
Exhume
6.3%inclusion5 decks80 decks
4%synergy
Grim Tutor
6.3%inclusion5 decks80 decks
-5%synergy
Read the Bones
5.0%inclusion4 decks80 decks
-11%synergy
Utility Artifacts
Lightning Greaves
54%inclusion43 decks80 decks
20%synergy
Jet Medallion
49%inclusion39 decks80 decks
-13%synergy
Mesmeric Orb
34%inclusion27 decks80 decks
31%synergy
The Darkness Crystal
30%inclusion24 decks80 decks
10%synergy
Swiftfoot Boots
29%inclusion23 decks80 decks
-3%synergy
Perpetual Timepiece
24%inclusion19 decks80 decks
22%synergy
Expedition Map
24%inclusion19 decks80 decks
12%synergy
Monument to Endurance
23%inclusion18 decks80 decks
21%synergy
Whip of Erebos
15%inclusion12 decks80 decks
4%synergy
Palantír of Orthanc
15%inclusion12 decks80 decks
13%synergy
Altar of Dementia
8.8%inclusion7 decks80 decks
3%synergy
Wishclaw Talisman
7.5%inclusion6 decks80 decks
1%synergy
Cryptcaller Chariot
6.3%inclusion5 decks80 decks
6%synergy
Wayfarer's Bauble
6.3%inclusion5 decks80 decks
-9%synergy
Bontu's Monument
6.3%inclusion5 decks80 decks
-22%synergy
Commander's Plate
6.3%inclusion5 decks80 decks
0%synergy
Aetherflux Reservoir
5.0%inclusion4 decks80 decks
-4%synergy
Key to the City
5.0%inclusion4 decks80 decks
3%synergy
Enchantments
Phyrexian Arena
50%inclusion40 decks80 decks
11%synergy
Animate Dead
45%inclusion36 decks80 decks
28%synergy
Meathook Massacre II
44%inclusion35 decks80 decks
38%synergy
Out of the Tombs
28%inclusion22 decks80 decks
24%synergy
Cemetery Tampering
26%inclusion21 decks80 decks
25%synergy
The Meathook Massacre
16%inclusion13 decks80 decks
-1%synergy
Black Market Connections
16%inclusion13 decks80 decks
-8%synergy
The War in Heaven
14%inclusion11 decks80 decks
12%synergy
Dance of the Dead
13%inclusion10 decks80 decks
9%synergy
Unholy Annex // Ritual Chamber
13%inclusion10 decks80 decks
10%synergy
Necromancy
13%inclusion10 decks80 decks
7%synergy
One Ring to Rule Them All
13%inclusion10 decks80 decks
12%synergy
Dark Prophecy
13%inclusion10 decks80 decks
9%synergy
Scion of Halaster
11%inclusion9 decks80 decks
11%synergy
Underworld Dreams
11%inclusion9 decks80 decks
5%synergy
Grave Pact
11%inclusion9 decks80 decks
-8%synergy
Baneful Omen
10%inclusion8 decks80 decks
10%synergy
Necrodominance
8.8%inclusion7 decks80 decks
6%synergy
Funeral Room // Awakening Hall
8.8%inclusion7 decks80 decks
4%synergy
Kaya's Ghostform
8.8%inclusion7 decks80 decks
-1%synergy
Bloodchief Ascension
8.8%inclusion7 decks80 decks
-0%synergy
Gravestorm
7.5%inclusion6 decks80 decks
7%synergy
Virtue of Persistence
7.5%inclusion6 decks80 decks
3%synergy
Black Market
6.3%inclusion5 decks80 decks
-15%synergy
Deathgrip
5.0%inclusion4 decks80 decks
5%synergy
Phyrexian Reclamation
5.0%inclusion4 decks80 decks
-5%synergy
Call of the Ring
5.0%inclusion4 decks80 decks
3%synergy
Nefarious Lich
5.0%inclusion4 decks80 decks
5%synergy
Oubliette
5.0%inclusion4 decks80 decks
2%synergy
Planeswalkers
Sorin Markov
8.8%inclusion7 decks80 decks
6%synergy
Professor Onyx
7.5%inclusion6 decks80 decks
2%synergy
Liliana, Dreadhorde General
5.0%inclusion4 decks80 decks
-9%synergy
Utility Lands
Cabal Coffers
75%inclusion60 decks80 decks
20%synergy
Nykthos, Shrine to Nyx
64%inclusion51 decks80 decks
34%synergy
Urborg, Tomb of Yawgmoth
60%inclusion48 decks80 decks
22%synergy
Bojuka Bog
45%inclusion36 decks80 decks
-2%synergy
Takenuma, Abandoned Mire
44%inclusion35 decks80 decks
28%synergy
Cabal Stronghold
34%inclusion27 decks80 decks
-1%synergy
Crypt of Agadeem
31%inclusion25 decks80 decks
20%synergy
Dakmor Salvage
30%inclusion24 decks80 decks
28%synergy
Spymaster's Vault
25%inclusion20 decks80 decks
15%synergy
Castle Locthwain
24%inclusion19 decks80 decks
7%synergy
Shizo, Death's Storehouse
20%inclusion16 decks80 decks
10%synergy
Phyrexian Tower
14%inclusion11 decks80 decks
-12%synergy
War Room
13%inclusion10 decks80 decks
-4%synergy
Witch's Cottage
11%inclusion9 decks80 decks
-13%synergy
The Black Gate
8.8%inclusion7 decks80 decks
5%synergy
Urza's Saga
8.8%inclusion7 decks80 decks
1%synergy
Minas Morgul, Dark Fortress
7.5%inclusion6 decks80 decks
5%synergy
Reliquary Tower
7.5%inclusion6 decks80 decks
-22%synergy
Tomb Fortress
6.3%inclusion5 decks80 decks
2%synergy
Rogue's Passage
6.3%inclusion5 decks80 decks
-13%synergy
Geier Reach Sanitarium
5.0%inclusion4 decks80 decks
-6%synergy
Deserted Temple
5.0%inclusion4 decks80 decks
1%synergy
Lake of the Dead
5.0%inclusion4 decks80 decks
-0%synergy
Mana Artifacts
Sol Ring
61%inclusion49 decks80 decks
-24%synergy
The Soul Stone
50%inclusion40 decks80 decks
35%synergy
Arcane Signet
48%inclusion38 decks80 decks
-14%synergy
Nyx Lotus
24%inclusion19 decks80 decks
18%synergy
Throne of Eldraine
21%inclusion17 decks80 decks
12%synergy
Charcoal Diamond
15%inclusion12 decks80 decks
-7%synergy
Fellwar Stone
13%inclusion10 decks80 decks
-2%synergy
Lotus Petal
11%inclusion9 decks80 decks
4%synergy
Mind Stone
7.5%inclusion6 decks80 decks
-21%synergy
Sceptre of Eternal Glory
6.3%inclusion5 decks80 decks
-2%synergy
Extraplanar Lens
5.0%inclusion4 decks80 decks
0%synergy
Lands
Swamp
90%inclusion72 decks80 decks
-5%synergy
Fell the Profane
57%inclusion46 decks80 decks
38%synergy
Malakir Rebirth
57%inclusion46 decks80 decks
34%synergy
Agadeem's Awakening
53%inclusion42 decks80 decks
45%synergy
Boggart Trawler
41%inclusion33 decks80 decks
32%synergy
Urza's Cave
20%inclusion16 decks80 decks
12%synergy
Hagra Mauling
19%inclusion15 decks80 decks
14%synergy
Myriad Landscape
13%inclusion10 decks80 decks
-13%synergy
Snow-Covered Swamp
11%inclusion9 decks80 decks
5%synergy
Zof Consumption
10%inclusion8 decks80 decks
9%synergy
Blackbloom Rogue
5.0%inclusion4 decks80 decks
4%synergy