Umori, the Collector (Commander) - Slime Against Humanity

Umori, the Collector
Rank #1,389
36decks
As CommanderAs CompanionAs CardAverage DeckDecks
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1
23
4
5
Budget
Any$$$$
Cooper Gottfried
Apr 27, 2026
Cooper Gottfried
Creatures, Lands, and Nothing Else, With Arnyn, Deathbloom Botanist
Can we pull off a mono-black life drain Commander deck with only creatures and lands? With Arnyn, Deathbloom Botanist, it seems highly likely.
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Slime Against Humanity
97%inclusion35 decks36 decks
97%synergy
Emerald Medallion
69%inclusion25 decks36 decks
65%synergy
Spellweaver Helix
61%inclusion22 decks36 decks
61%synergy
Inspiring Call
67%inclusion24 decks36 decks
61%synergy
Biogenic Ooze
61%inclusion22 decks36 decks
61%synergy
Thrumming Stone
61%inclusion22 decks36 decks
61%synergy
Biowaste Blob
58%inclusion21 decks36 decks
58%synergy
Cloud Key
58%inclusion21 decks36 decks
58%synergy
Aeve, Progenitor Ooze
56%inclusion20 decks36 decks
55%synergy
Locket of Yesterdays
53%inclusion19 decks36 decks
53%synergy
Top Cards
Cultivate
75%inclusion27 decks36 decks
36%synergy
Rampant Growth
64%inclusion23 decks36 decks
33%synergy
Kodama's Reach
56%inclusion20 decks36 decks
35%synergy
Oran-Rief Ooze
53%inclusion19 decks36 decks
52%synergy
Doubling Season
50%inclusion18 decks36 decks
33%synergy
Acidic Slime
50%inclusion18 decks36 decks
47%synergy
Branching Evolution
47%inclusion17 decks36 decks
41%synergy
Predator Ooze
47%inclusion17 decks36 decks
47%synergy
Green Slime
47%inclusion17 decks36 decks
47%synergy
Rishkar's Expertise
44%inclusion16 decks36 decks
38%synergy
Game Changers
Demonic Tutor
8.3%inclusion3 decks36 decks
-7%synergy
Vampiric Tutor
8.3%inclusion3 decks36 decks
-2%synergy
Bolas's Citadel
5.6%inclusion2 decks36 decks
0%synergy
Worldly Tutor
5.6%inclusion2 decks36 decks
-4%synergy
Creatures
Slurrk, All-Ingesting
44%inclusion16 decks36 decks
44%synergy
Uchuulon
39%inclusion14 decks36 decks
39%synergy
Scavenging Ooze
39%inclusion14 decks36 decks
36%synergy
Ochre Jelly
39%inclusion14 decks36 decks
39%synergy
Experiment One
39%inclusion14 decks36 decks
39%synergy
Gelatinous Cube
36%inclusion13 decks36 decks
36%synergy
Ravenous Slime
33%inclusion12 decks36 decks
33%synergy
Mitotic Slime
25%inclusion9 decks36 decks
24%synergy
Necrotic Ooze
25%inclusion9 decks36 decks
24%synergy
Expanding Ooze
22%inclusion8 decks36 decks
22%synergy
Consuming Blob
22%inclusion8 decks36 decks
22%synergy
Inexorable Blob
19%inclusion7 decks36 decks
19%synergy
Splitting Slime
19%inclusion7 decks36 decks
19%synergy
Corpsejack Menace
17%inclusion6 decks36 decks
10%synergy
Birds of Paradise
17%inclusion6 decks36 decks
-4%synergy
Corrosive Ooze
14%inclusion5 decks36 decks
14%synergy
Manaplasm
14%inclusion5 decks36 decks
14%synergy
Metallic Mimic
11%inclusion4 decks36 decks
9%synergy
Kodama of the West Tree
11%inclusion4 decks36 decks
8%synergy
Temperamental Oozewagg
8.3%inclusion3 decks36 decks
8%synergy
Selvala, Heart of the Wilds
8.3%inclusion3 decks36 decks
5%synergy
Crashing Drawbridge
8.3%inclusion3 decks36 decks
8%synergy
Consumptive Goo
8.3%inclusion3 decks36 decks
8%synergy
Gluttonous Slime
8.3%inclusion3 decks36 decks
8%synergy
Llanowar Elves
8.3%inclusion3 decks36 decks
-27%synergy
Gobbling Ooze
8.3%inclusion3 decks36 decks
8%synergy
Necroplasm
8.3%inclusion3 decks36 decks
8%synergy
Quina, Qu Gourmet
6.9%inclusion2 decks29 decks
6%synergy
Ancient Ooze
5.6%inclusion2 decks36 decks
5%synergy
Mephitic Ooze
5.6%inclusion2 decks36 decks
6%synergy
Disciple of Freyalise
5.6%inclusion2 decks36 decks
-4%synergy
Printlifter Ooze
5.6%inclusion2 decks36 decks
6%synergy
Saryth, the Viper's Fang
5.6%inclusion2 decks36 decks
2%synergy
Adaptive Automaton
5.6%inclusion2 decks36 decks
4%synergy
Vigor
5.6%inclusion2 decks36 decks
4%synergy
Rishkar, Peema Renegade
5.6%inclusion2 decks36 decks
3%synergy
Craterhoof Behemoth
5.6%inclusion2 decks36 decks
-7%synergy
Runadi, Behemoth Caller
5.6%inclusion2 decks36 decks
5%synergy
Toski, Bearer of Secrets
5.6%inclusion2 decks36 decks
-7%synergy
Realmwalker
5.6%inclusion2 decks36 decks
-2%synergy
Ohran Frostfang
5.6%inclusion2 decks36 decks
-5%synergy
Fyndhorn Elves
5.6%inclusion2 decks36 decks
-12%synergy
Chatterfang, Squirrel General
5.6%inclusion2 decks36 decks
-8%synergy
Bioplasm
5.6%inclusion2 decks36 decks
6%synergy
Instants
Heroic Intervention
33%inclusion12 decks36 decks
1%synergy
Return of the Wildspeaker
33%inclusion12 decks36 decks
22%synergy
Surgical Extraction
31%inclusion11 decks36 decks
30%synergy
Assassin's Trophy
31%inclusion11 decks36 decks
-17%synergy
Beast Within
19%inclusion7 decks36 decks
-14%synergy
Putrefy
19%inclusion7 decks36 decks
-13%synergy
Tear Asunder
17%inclusion6 decks36 decks
2%synergy
Krosan Grip
8.3%inclusion3 decks36 decks
3%synergy
Broken Wings
8.3%inclusion3 decks36 decks
7%synergy
Second Harvest
8.3%inclusion3 decks36 decks
-6%synergy
Grisly Salvage
8.3%inclusion3 decks36 decks
-1%synergy
Golgari Charm
8.3%inclusion3 decks36 decks
-7%synergy
Midnight Tilling
7.4%inclusion2 decks27 decks
5%synergy
Rapid Rescue
7.1%inclusion1 decks14 decks
7%synergy
Fell the Profane
5.6%inclusion2 decks36 decks
-4%synergy
Abrupt Decay
5.6%inclusion2 decks36 decks
-10%synergy
Atomize
5.6%inclusion2 decks36 decks
1%synergy
Harrow
5.6%inclusion2 decks36 decks
-3%synergy
Entish Restoration
5.6%inclusion2 decks36 decks
1%synergy
Revitalizing Repast
5.6%inclusion2 decks36 decks
-15%synergy
Inscription of Abundance
5.6%inclusion2 decks36 decks
4%synergy
Extirpate
5.6%inclusion2 decks36 decks
6%synergy
Sorceries
Farseek
39%inclusion14 decks36 decks
20%synergy
Nature's Lore
36%inclusion13 decks36 decks
11%synergy
Harmonize
36%inclusion13 decks36 decks
29%synergy
Three Visits
28%inclusion10 decks36 decks
10%synergy
Convert to Slime
25%inclusion9 decks36 decks
23%synergy
Explore
25%inclusion9 decks36 decks
21%synergy
Shamanic Revelation
22%inclusion8 decks36 decks
10%synergy
Secret Salvage
22%inclusion8 decks36 decks
22%synergy
Miming Slime
19%inclusion7 decks36 decks
19%synergy
Night's Whisper
19%inclusion7 decks36 decks
10%synergy
Bala Ged Recovery
19%inclusion7 decks36 decks
9%synergy
Gelatinous Genesis
17%inclusion6 decks36 decks
15%synergy
Toxic Deluge
17%inclusion6 decks36 decks
-5%synergy
Kindred Dominance
17%inclusion6 decks36 decks
11%synergy
Skyshroud Claim
11%inclusion4 decks36 decks
7%synergy
Maelstrom Pulse
11%inclusion4 decks36 decks
6%synergy
Bridgeworks Battle
11%inclusion4 decks36 decks
7%synergy
In Garruk's Wake
11%inclusion4 decks36 decks
6%synergy
Sign in Blood
11%inclusion4 decks36 decks
5%synergy
Life's Legacy
11%inclusion4 decks36 decks
9%synergy
Slime Molding
11%inclusion4 decks36 decks
11%synergy
Overwhelming Stampede
11%inclusion4 decks36 decks
5%synergy
Regrowth
11%inclusion4 decks36 decks
8%synergy
Nissa's Pilgrimage
11%inclusion4 decks36 decks
11%synergy
Shared Roots
11%inclusion3 decks27 decks
7%synergy
Culling Ritual
8.3%inclusion3 decks36 decks
-13%synergy
Pest Infestation
8.3%inclusion3 decks36 decks
-6%synergy
Feed the Swarm
8.3%inclusion3 decks36 decks
1%synergy
Casualties of War
8.3%inclusion3 decks36 decks
-2%synergy
Pick Your Poison
8.3%inclusion3 decks36 decks
6%synergy
Diresight
8.3%inclusion3 decks36 decks
7%synergy
Expand the Sphere
5.6%inclusion2 decks36 decks
5%synergy
Far Wanderings
5.6%inclusion2 decks36 decks
5%synergy
Yawgmoth's Will
5.6%inclusion2 decks36 decks
5%synergy
Rite of Consumption
5.6%inclusion2 decks36 decks
4%synergy
Triumph of the Hordes
5.6%inclusion2 decks36 decks
-0%synergy
Season of Gathering
5.6%inclusion2 decks36 decks
2%synergy
Lost Legacy
5.6%inclusion2 decks36 decks
6%synergy
Read the Bones
5.6%inclusion2 decks36 decks
1%synergy
Tendrils of Agony
5.6%inclusion2 decks36 decks
5%synergy
Fangs of Kalonia
5.6%inclusion2 decks36 decks
3%synergy
Syphon Mind
5.6%inclusion2 decks36 decks
4%synergy
Essence Harvest
5.6%inclusion2 decks36 decks
4%synergy
Smell Fear
5.6%inclusion2 decks36 decks
4%synergy
Ezuri's Predation
5.6%inclusion2 decks36 decks
1%synergy
Malevolent Rumble
5.6%inclusion2 decks36 decks
3%synergy
Migration Path
5.6%inclusion2 decks36 decks
4%synergy
For the Common Good
5.6%inclusion2 decks36 decks
-0%synergy
Drown in Ichor
5.6%inclusion2 decks36 decks
3%synergy
Crippling Fear
5.6%inclusion2 decks36 decks
3%synergy
Utility Artifacts
The Earth Crystal
34%inclusion10 decks29 decks
29%synergy
The Ozolith
31%inclusion11 decks36 decks
26%synergy
Semblance Anvil
31%inclusion11 decks36 decks
30%synergy
Ozolith, the Shattered Spire
22%inclusion8 decks36 decks
18%synergy
Primal Amulet
19%inclusion7 decks36 decks
19%synergy
Bow of Nylea
14%inclusion5 decks36 decks
11%synergy
Idol of Oblivion
11%inclusion4 decks36 decks
3%synergy
Elixir of Immortality
8.3%inclusion3 decks36 decks
7%synergy
N'Yami-Class Mother Ship
7.7%inclusion1 decks13 decks
8%synergy
Vedalken Orrery
5.6%inclusion2 decks36 decks
5%synergy
River Song's Diary
5.6%inclusion2 decks36 decks
6%synergy
Banner of Kinship
5.6%inclusion2 decks36 decks
1%synergy
Vanquisher's Banner
5.6%inclusion2 decks36 decks
2%synergy
Cloak of the Bat
5.6%inclusion2 decks36 decks
5%synergy
Enchantments
Garruk's Uprising
36%inclusion13 decks36 decks
29%synergy
Terrasymbiosis
34%inclusion10 decks29 decks
29%synergy
Tribute to the World Tree
33%inclusion12 decks36 decks
30%synergy
March of the World Ooze
32%inclusion11 decks34 decks
31%synergy
Parallel Lives
31%inclusion11 decks36 decks
18%synergy
Hardened Scales
28%inclusion10 decks36 decks
18%synergy
Phyrexian Arena
22%inclusion8 decks36 decks
9%synergy
Sylvan Library
19%inclusion7 decks36 decks
10%synergy
Colossal Majesty
19%inclusion7 decks36 decks
18%synergy
Gutter Grime
17%inclusion6 decks36 decks
16%synergy
Primal Vigor
17%inclusion6 decks36 decks
12%synergy
Greater Good
17%inclusion6 decks36 decks
11%synergy
Concordant Crossroads
17%inclusion6 decks36 decks
15%synergy
Ooze Flux
14%inclusion5 decks36 decks
14%synergy
Innkeeper's Talent
14%inclusion5 decks36 decks
9%synergy
Loading Zone
10%inclusion3 decks29 decks
9%synergy
Hollowmurk Siege
10%inclusion3 decks31 decks
5%synergy
Stocking the Pantry
8.3%inclusion3 decks36 decks
7%synergy
Court of Garenbrig
8.3%inclusion3 decks36 decks
7%synergy
Wild Growth
8.3%inclusion3 decks36 decks
0%synergy
Unnatural Growth
8.3%inclusion3 decks36 decks
5%synergy
Black Market Connections
8.3%inclusion3 decks36 decks
-1%synergy
Nantuko Shrine
8.3%inclusion3 decks36 decks
8%synergy
Sphere Grid
6.9%inclusion2 decks29 decks
4%synergy
Binding the Old Gods
5.6%inclusion2 decks36 decks
-2%synergy
Moldervine Reclamation
5.6%inclusion2 decks36 decks
-18%synergy
Snake Umbra
5.6%inclusion2 decks36 decks
4%synergy
Asceticism
5.6%inclusion2 decks36 decks
4%synergy
Crawling Infestation
5.6%inclusion2 decks36 decks
1%synergy
Death's Presence
5.6%inclusion2 decks36 decks
4%synergy
Abundance
5.6%inclusion2 decks36 decks
5%synergy
Battles
Invasion of Muraganda
5.6%inclusion2 decks36 decks
5%synergy
Planeswalkers
Nissa, Who Shakes the World
5.6%inclusion2 decks36 decks
4%synergy
Professor Onyx
5.6%inclusion2 decks36 decks
3%synergy
Utility Lands
Yavimaya, Cradle of Growth
28%inclusion10 decks36 decks
1%synergy
Reliquary Tower
28%inclusion10 decks36 decks
5%synergy
Oran-Rief, the Vastwood
25%inclusion9 decks36 decks
15%synergy
Bojuka Bog
22%inclusion8 decks36 decks
-20%synergy
Karn's Bastion
17%inclusion6 decks36 decks
10%synergy
Urborg, Tomb of Yawgmoth
17%inclusion6 decks36 decks
-6%synergy
Three Tree City
14%inclusion5 decks36 decks
3%synergy
Mosswort Bridge
11%inclusion4 decks36 decks
6%synergy
Rogue's Passage
11%inclusion4 decks36 decks
-11%synergy
Boseiju, Who Endures
8.3%inclusion3 decks36 decks
-10%synergy
Susur Secundi, Void Altar
6.9%inclusion2 decks29 decks
3%synergy
Nykthos, Shrine to Nyx
5.6%inclusion2 decks36 decks
3%synergy
Temple of the False God
5.6%inclusion2 decks36 decks
-1%synergy
Bonders' Enclave
5.6%inclusion2 decks36 decks
5%synergy
Mana Artifacts
Sol Ring
72%inclusion26 decks36 decks
-7%synergy
Arcane Signet
50%inclusion18 decks36 decks
-12%synergy
Talisman of Resilience
19%inclusion7 decks36 decks
-4%synergy
Golgari Signet
17%inclusion6 decks36 decks
-7%synergy
Commander's Sphere
8.3%inclusion3 decks36 decks
2%synergy
Patchwork Banner
8.3%inclusion3 decks36 decks
2%synergy
Thought Vessel
8.3%inclusion3 decks36 decks
3%synergy
Mind Stone
8.3%inclusion3 decks36 decks
4%synergy
Lands
Forest
100%inclusion36 decks36 decks
2%synergy
Swamp
83%inclusion30 decks36 decks
-14%synergy
Command Tower
64%inclusion23 decks36 decks
-22%synergy
Overgrown Tomb
50%inclusion18 decks36 decks
2%synergy
Woodland Cemetery
44%inclusion16 decks36 decks
-20%synergy
Undergrowth Stadium
36%inclusion13 decks36 decks
-3%synergy
Necroblossom Snarl
28%inclusion10 decks36 decks
-10%synergy
Path of Ancestry
28%inclusion10 decks36 decks
4%synergy
Vernal Fen
28%inclusion8 decks29 decks
3%synergy
Golgari Rot Farm
22%inclusion8 decks36 decks
-15%synergy
Llanowar Wastes
22%inclusion8 decks36 decks
-31%synergy
Verdant Catacombs
22%inclusion8 decks36 decks
-7%synergy
Deathcap Glade
22%inclusion8 decks36 decks
-13%synergy
Tainted Wood
22%inclusion8 decks36 decks
-21%synergy
Myriad Landscape
19%inclusion7 decks36 decks
7%synergy
Bala Ged Recovery
19%inclusion7 decks36 decks
9%synergy
Twilight Mire
19%inclusion7 decks36 decks
-22%synergy
Temple of Malady
17%inclusion6 decks36 decks
-16%synergy
Terramorphic Expanse
14%inclusion5 decks36 decks
-7%synergy
Haunted Mire
14%inclusion5 decks36 decks
-1%synergy
Wastewood Verge
12%inclusion4 decks34 decks
-8%synergy
Exotic Orchard
11%inclusion4 decks36 decks
-18%synergy
Underground Mortuary
11%inclusion4 decks36 decks
-9%synergy
Bridgeworks Battle
11%inclusion4 decks36 decks
7%synergy
Evolving Wilds
11%inclusion4 decks36 decks
-14%synergy
Turbulent Fen
10%inclusion2 decks21 decks
-8%synergy
Blighted Woodland
8.3%inclusion3 decks36 decks
4%synergy
Viridescent Bog
8.3%inclusion3 decks36 decks
-15%synergy
Jungle Hollow
8.3%inclusion3 decks36 decks
-15%synergy
Fell the Profane
5.6%inclusion2 decks36 decks
-4%synergy
Disciple of Freyalise
5.6%inclusion2 decks36 decks
-4%synergy
Windswept Heath
5.6%inclusion2 decks36 decks
-2%synergy
Strangled Cemetery
5.6%inclusion2 decks36 decks
4%synergy
Wooded Foothills
5.6%inclusion2 decks36 decks
-1%synergy
Blooming Marsh
5.6%inclusion2 decks36 decks
-8%synergy
Reflecting Pool
5.6%inclusion2 decks36 decks
3%synergy
Revitalizing Repast
5.6%inclusion2 decks36 decks
-15%synergy
Bayou
5.6%inclusion2 decks36 decks
-7%synergy
Woodland Chasm
5.6%inclusion2 decks36 decks
0%synergy
Golgari Guildgate
5.6%inclusion2 decks36 decks
-2%synergy
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