Umori, the Collector (Commander) - Core Oozes

Umori, the Collector
Rank #1,338
7decks
As CommanderAs CompanionAs CardAverage DeckDecks
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Budget
Any
$
$$$
Ezra Sassaman
May 7, 2026
Ezra Sassaman
Can We Play Every Possible Companion in a Single Commander Deck?
Can you build a Commander deck that satisfies the requirements of every legal companion? Let's see what we can brew.
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Utility Lands
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Slime Against Humanity
86%inclusion6 decks7 decks
85%synergy
Cloud Key
71%inclusion5 decks7 decks
71%synergy
Acidic Slime
71%inclusion5 decks7 decks
69%synergy
Scavenging Ooze
71%inclusion5 decks7 decks
68%synergy
Emerald Medallion
71%inclusion5 decks7 decks
67%synergy
The Earth Crystal
67%inclusion4 decks6 decks
62%synergy
Experiment One
57%inclusion4 decks7 decks
57%synergy
Aeve, Progenitor Ooze
57%inclusion4 decks7 decks
57%synergy
Biogenic Ooze
57%inclusion4 decks7 decks
57%synergy
Predator Ooze
57%inclusion4 decks7 decks
57%synergy
Top Cards
Rampant Growth
71%inclusion5 decks7 decks
40%synergy
Cultivate
71%inclusion5 decks7 decks
32%synergy
Branching Evolution
57%inclusion4 decks7 decks
51%synergy
Farseek
57%inclusion4 decks7 decks
39%synergy
Tribute to the World Tree
57%inclusion4 decks7 decks
54%synergy
Oran-Rief Ooze
57%inclusion4 decks7 decks
57%synergy
Inspiring Call
57%inclusion4 decks7 decks
51%synergy
Creatures
Necrotic Ooze
43%inclusion3 decks7 decks
42%synergy
Gelatinous Cube
43%inclusion3 decks7 decks
43%synergy
Llanowar Elves
43%inclusion3 decks7 decks
8%synergy
Biowaste Blob
43%inclusion3 decks7 decks
42%synergy
Slurrk, All-Ingesting
43%inclusion3 decks7 decks
43%synergy
Green Slime
29%inclusion2 decks7 decks
28%synergy
Mitotic Slime
29%inclusion2 decks7 decks
28%synergy
Uchuulon
29%inclusion2 decks7 decks
28%synergy
Ochre Jelly
29%inclusion2 decks7 decks
28%synergy
Corrosive Ooze
29%inclusion2 decks7 decks
28%synergy
Expanding Ooze
29%inclusion2 decks7 decks
28%synergy
Realmwalker
29%inclusion2 decks7 decks
21%synergy
Inexorable Blob
29%inclusion2 decks7 decks
28%synergy
Witherbloom, the Balancer
20%inclusion1 decks5 decks
18%synergy
Surrak, Elusive Hunter
17%inclusion1 decks6 decks
16%synergy
Hecteyes
17%inclusion1 decks6 decks
17%synergy
Selfless Safewright
17%inclusion1 decks6 decks
10%synergy
Garruk's Packleader
14%inclusion1 decks7 decks
14%synergy
Catacomb Slug
14%inclusion1 decks7 decks
14%synergy
Metallic Mimic
14%inclusion1 decks7 decks
12%synergy
Elves of Deep Shadow
14%inclusion1 decks7 decks
-4%synergy
Ancient Ooze
14%inclusion1 decks7 decks
14%synergy
Mephitic Ooze
14%inclusion1 decks7 decks
14%synergy
Rampaging Baloths
14%inclusion1 decks7 decks
10%synergy
Eternal Witness
14%inclusion1 decks7 decks
-7%synergy
Crashing Drawbridge
14%inclusion1 decks7 decks
14%synergy
Outcaster Trailblazer
14%inclusion1 decks7 decks
14%synergy
Printlifter Ooze
14%inclusion1 decks7 decks
14%synergy
Elvish Mystic
14%inclusion1 decks7 decks
-15%synergy
Ravenous Slime
14%inclusion1 decks7 decks
14%synergy
Gluttonous Slime
14%inclusion1 decks7 decks
14%synergy
Gluttonous Slug
14%inclusion1 decks7 decks
14%synergy
Gobbling Ooze
14%inclusion1 decks7 decks
14%synergy
Stitcher's Supplier
14%inclusion1 decks7 decks
7%synergy
Consuming Blob
14%inclusion1 decks7 decks
14%synergy
Terrian, World Tyrant
14%inclusion1 decks7 decks
14%synergy
Springheart Nantuko
14%inclusion1 decks7 decks
7%synergy
Walking Bulwark
14%inclusion1 decks7 decks
14%synergy
Lotus Cobra
14%inclusion1 decks7 decks
10%synergy
Manaplasm
14%inclusion1 decks7 decks
14%synergy
Necroplasm
14%inclusion1 decks7 decks
14%synergy
Scute Swarm
14%inclusion1 decks7 decks
0%synergy
Tireless Provisioner
14%inclusion1 decks7 decks
-4%synergy
Evolution Sage
14%inclusion1 decks7 decks
7%synergy
Splitting Slime
14%inclusion1 decks7 decks
14%synergy
Keeper of Fables
14%inclusion1 decks7 decks
14%synergy
Corpsejack Menace
14%inclusion1 decks7 decks
7%synergy
Kodama of the East Tree
14%inclusion1 decks7 decks
13%synergy
Birds of Paradise
14%inclusion1 decks7 decks
-7%synergy
Kodama of the West Tree
14%inclusion1 decks7 decks
12%synergy
Instants
Return of the Wildspeaker
43%inclusion3 decks7 decks
32%synergy
Atomize
29%inclusion2 decks7 decks
24%synergy
Tear Asunder
29%inclusion2 decks7 decks
14%synergy
Second Harvest
29%inclusion2 decks7 decks
14%synergy
Putrefy
29%inclusion2 decks7 decks
-4%synergy
Assassin's Trophy
29%inclusion2 decks7 decks
-19%synergy
Midnight Tilling
17%inclusion1 decks6 decks
15%synergy
Deadly Rollick
14%inclusion1 decks7 decks
3%synergy
Fell the Profane
14%inclusion1 decks7 decks
5%synergy
Abrupt Decay
14%inclusion1 decks7 decks
-1%synergy
Heroic Intervention
14%inclusion1 decks7 decks
-17%synergy
Surgical Extraction
14%inclusion1 decks7 decks
14%synergy
Krosan Grip
14%inclusion1 decks7 decks
9%synergy
Dark Ritual
14%inclusion1 decks7 decks
-4%synergy
Skeletal Scrying
14%inclusion1 decks7 decks
14%synergy
Broken Wings
14%inclusion1 decks7 decks
13%synergy
Harrow
14%inclusion1 decks7 decks
6%synergy
Entish Restoration
14%inclusion1 decks7 decks
10%synergy
Beast Within
14%inclusion1 decks7 decks
-19%synergy
Deathsprout
14%inclusion1 decks7 decks
9%synergy
Peerless Recycling
14%inclusion1 decks7 decks
13%synergy
Infernal Grasp
14%inclusion1 decks7 decks
6%synergy
Break Down the Door
14%inclusion1 decks7 decks
14%synergy
Inscription of Abundance
14%inclusion1 decks7 decks
13%synergy
Grisly Salvage
14%inclusion1 decks7 decks
5%synergy
Naturalize
14%inclusion1 decks7 decks
12%synergy
Sudden Reclamation
14%inclusion1 decks7 decks
14%synergy
Hostile Negotiations
14%inclusion1 decks7 decks
14%synergy
Golgari Charm
14%inclusion1 decks7 decks
-1%synergy
Sorceries
Kodama's Reach
43%inclusion3 decks7 decks
22%synergy
Casualties of War
43%inclusion3 decks7 decks
33%synergy
Nature's Lore
43%inclusion3 decks7 decks
17%synergy
Rishkar's Expertise
43%inclusion3 decks7 decks
36%synergy
Kindred Dominance
43%inclusion3 decks7 decks
37%synergy
Shared Roots
33%inclusion2 decks6 decks
30%synergy
Miming Slime
29%inclusion2 decks7 decks
28%synergy
Night's Whisper
29%inclusion2 decks7 decks
19%synergy
Bridgeworks Battle
29%inclusion2 decks7 decks
24%synergy
Convert to Slime
29%inclusion2 decks7 decks
27%synergy
Explore
29%inclusion2 decks7 decks
24%synergy
Shamanic Revelation
29%inclusion2 decks7 decks
16%synergy
Migration Path
29%inclusion2 decks7 decks
27%synergy
Nissa's Pilgrimage
29%inclusion2 decks7 decks
28%synergy
Secret Salvage
29%inclusion2 decks7 decks
28%synergy
Resentful Revelation
17%inclusion1 decks6 decks
16%synergy
Expand the Sphere
14%inclusion1 decks7 decks
14%synergy
Culling Ritual
14%inclusion1 decks7 decks
-7%synergy
Pest Infestation
14%inclusion1 decks7 decks
0%synergy
Three Visits
14%inclusion1 decks7 decks
-4%synergy
Gelatinous Genesis
14%inclusion1 decks7 decks
13%synergy
Far Wanderings
14%inclusion1 decks7 decks
13%synergy
Torment of Hailfire
14%inclusion1 decks7 decks
8%synergy
Skyshroud Claim
14%inclusion1 decks7 decks
10%synergy
Feed the Infection
14%inclusion1 decks7 decks
14%synergy
Say Its Name
14%inclusion1 decks7 decks
14%synergy
Soul's Majesty
14%inclusion1 decks7 decks
13%synergy
Feed the Swarm
14%inclusion1 decks7 decks
7%synergy
Read the Bones
14%inclusion1 decks7 decks
10%synergy
Growth Spasm
14%inclusion1 decks7 decks
14%synergy
Rabid Bite
14%inclusion1 decks7 decks
14%synergy
Skull Storm
14%inclusion1 decks7 decks
14%synergy
Overwhelming Encounter
14%inclusion1 decks7 decks
14%synergy
Funeral Rites
14%inclusion1 decks7 decks
14%synergy
Ancient Craving
14%inclusion1 decks7 decks
13%synergy
Harmonize
14%inclusion1 decks7 decks
7%synergy
Ambition's Cost
14%inclusion1 decks7 decks
13%synergy
Maelstrom Pulse
14%inclusion1 decks7 decks
9%synergy
Search for Tomorrow
14%inclusion1 decks7 decks
13%synergy
Atrocious Experiment
14%inclusion1 decks7 decks
14%synergy
In Garruk's Wake
14%inclusion1 decks7 decks
9%synergy
Diresight
14%inclusion1 decks7 decks
13%synergy
Syphon Mind
14%inclusion1 decks7 decks
13%synergy
Toxic Deluge
14%inclusion1 decks7 decks
-8%synergy
Prey Upon
14%inclusion1 decks7 decks
14%synergy
Sign in Blood
14%inclusion1 decks7 decks
8%synergy
Smell Fear
14%inclusion1 decks7 decks
13%synergy
Life's Legacy
14%inclusion1 decks7 decks
12%synergy
Ezuri's Predation
14%inclusion1 decks7 decks
10%synergy
Bala Ged Recovery
14%inclusion1 decks7 decks
4%synergy
Utility Artifacts
The Ozolith
43%inclusion3 decks7 decks
38%synergy
Spellweaver Helix
43%inclusion3 decks7 decks
43%synergy
Ozolith, the Shattered Spire
29%inclusion2 decks7 decks
25%synergy
Semblance Anvil
29%inclusion2 decks7 decks
28%synergy
Locket of Yesterdays
29%inclusion2 decks7 decks
28%synergy
The Ooze
17%inclusion1 decks6 decks
16%synergy
Elixir of Immortality
14%inclusion1 decks7 decks
13%synergy
River Song's Diary
14%inclusion1 decks7 decks
14%synergy
Skullclamp
14%inclusion1 decks7 decks
-17%synergy
Vanquisher's Banner
14%inclusion1 decks7 decks
10%synergy
Primal Amulet
14%inclusion1 decks7 decks
14%synergy
Thrumming Stone
14%inclusion1 decks7 decks
14%synergy
Idol of Oblivion
14%inclusion1 decks7 decks
6%synergy
Cloak of the Bat
14%inclusion1 decks7 decks
14%synergy
Enchantments
Terrasymbiosis
50%inclusion3 decks6 decks
45%synergy
Garruk's Uprising
43%inclusion3 decks7 decks
36%synergy
March of the World Ooze
43%inclusion3 decks7 decks
42%synergy
Hardened Scales
43%inclusion3 decks7 decks
33%synergy
Primal Vigor
43%inclusion3 decks7 decks
38%synergy
Hollowmurk Siege
33%inclusion2 decks6 decks
28%synergy
Sphere Grid
33%inclusion2 decks6 decks
30%synergy
Doubling Season
29%inclusion2 decks7 decks
11%synergy
Parallel Lives
29%inclusion2 decks7 decks
16%synergy
Loading Zone
17%inclusion1 decks6 decks
15%synergy
Prismatic Undercurrents
17%inclusion1 decks6 decks
16%synergy
High Score
17%inclusion1 decks6 decks
15%synergy
Stocking the Pantry
14%inclusion1 decks7 decks
13%synergy
Gutter Grime
14%inclusion1 decks7 decks
14%synergy
Exploration
14%inclusion1 decks7 decks
10%synergy
Case of the Locked Hothouse
14%inclusion1 decks7 decks
14%synergy
Ooze Flux
14%inclusion1 decks7 decks
14%synergy
Moldervine Reclamation
14%inclusion1 decks7 decks
-10%synergy
Innkeeper's Talent
14%inclusion1 decks7 decks
10%synergy
Sylvan Library
14%inclusion1 decks7 decks
5%synergy
Crawling Infestation
14%inclusion1 decks7 decks
10%synergy
Zendikar's Roil
14%inclusion1 decks7 decks
13%synergy
Hunter's Talent
14%inclusion1 decks7 decks
13%synergy
Deathreap Ritual
14%inclusion1 decks7 decks
4%synergy
Black Market Connections
14%inclusion1 decks7 decks
5%synergy
Perilous Forays
14%inclusion1 decks7 decks
14%synergy
Abundance
14%inclusion1 decks7 decks
13%synergy
Phyrexian Arena
14%inclusion1 decks7 decks
1%synergy
Utility Lands
Oran-Rief, the Vastwood
43%inclusion3 decks7 decks
33%synergy
Yavimaya, Cradle of Growth
29%inclusion2 decks7 decks
1%synergy
Urborg, Tomb of Yawgmoth
29%inclusion2 decks7 decks
6%synergy
Susur Secundi, Void Altar
17%inclusion1 decks6 decks
13%synergy
Bojuka Bog
14%inclusion1 decks7 decks
-28%synergy
Arid Archway
14%inclusion1 decks7 decks
14%synergy
War Room
14%inclusion1 decks7 decks
13%synergy
Cabal Coffers
14%inclusion1 decks7 decks
6%synergy
Nykthos, Shrine to Nyx
14%inclusion1 decks7 decks
12%synergy
Blasted Landscape
14%inclusion1 decks7 decks
14%synergy
Karn's Bastion
14%inclusion1 decks7 decks
8%synergy
Terrain Generator
14%inclusion1 decks7 decks
14%synergy
Boseiju, Who Endures
14%inclusion1 decks7 decks
-4%synergy
Temple of the False God
14%inclusion1 decks7 decks
8%synergy
Guildless Commons
14%inclusion1 decks7 decks
14%synergy
Rogue's Passage
14%inclusion1 decks7 decks
-8%synergy
Bonders' Enclave
14%inclusion1 decks7 decks
13%synergy
Field of Ruin
14%inclusion1 decks7 decks
13%synergy
Mana Artifacts
Sol Ring
86%inclusion6 decks7 decks
6%synergy
Arcane Signet
71%inclusion5 decks7 decks
9%synergy
Golgari Signet
29%inclusion2 decks7 decks
4%synergy
Patchwork Banner
29%inclusion2 decks7 decks
22%synergy
Commander's Sphere
14%inclusion1 decks7 decks
8%synergy
Talisman of Resilience
14%inclusion1 decks7 decks
-10%synergy
Throne of Eldraine
14%inclusion1 decks7 decks
14%synergy
Fellwar Stone
14%inclusion1 decks7 decks
10%synergy
Lands
Forest
100%inclusion7 decks7 decks
2%synergy
Swamp
86%inclusion6 decks7 decks
-12%synergy
Command Tower
57%inclusion4 decks7 decks
-28%synergy
Overgrown Tomb
43%inclusion3 decks7 decks
-5%synergy
Vernal Fen
33%inclusion2 decks6 decks
10%synergy
Myriad Landscape
29%inclusion2 decks7 decks
15%synergy
Bridgeworks Battle
29%inclusion2 decks7 decks
24%synergy
Path of Ancestry
29%inclusion2 decks7 decks
5%synergy
Woodland Cemetery
29%inclusion2 decks7 decks
-36%synergy
Temple of Malady
29%inclusion2 decks7 decks
-5%synergy
Deathcap Glade
29%inclusion2 decks7 decks
-5%synergy
Turbulent Fen
20%inclusion1 decks5 decks
2%synergy
Blighted Woodland
14%inclusion1 decks7 decks
10%synergy
Fell the Profane
14%inclusion1 decks7 decks
5%synergy
Golgari Rot Farm
14%inclusion1 decks7 decks
-24%synergy
Exotic Orchard
14%inclusion1 decks7 decks
-15%synergy
Llanowar Wastes
14%inclusion1 decks7 decks
-39%synergy
Conduit Pylons
14%inclusion1 decks7 decks
14%synergy
Captivating Cave
14%inclusion1 decks7 decks
14%synergy
Verdant Catacombs
14%inclusion1 decks7 decks
-15%synergy
Jungle Hollow
14%inclusion1 decks7 decks
-9%synergy
Cave of Temptation
14%inclusion1 decks7 decks
14%synergy
Necroblossom Snarl
14%inclusion1 decks7 decks
-23%synergy
Undergrowth Stadium
14%inclusion1 decks7 decks
-25%synergy
Underground Mortuary
14%inclusion1 decks7 decks
-6%synergy
Evolving Wilds
14%inclusion1 decks7 decks
-11%synergy
Wastewood Verge
14%inclusion1 decks7 decks
-5%synergy
Bala Ged Recovery
14%inclusion1 decks7 decks
4%synergy
Twilight Mire
14%inclusion1 decks7 decks
-26%synergy
Crystal Grotto
14%inclusion1 decks7 decks
14%synergy
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