Umori, the Collector (Commander)

Umori, the Collector
Rank #1,319
1,324decks
As CommanderAs CompanionAs CardAverage DeckDecks
Bracket
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Budget
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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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Enchantments
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Utility Lands
Mana Artifacts
Lands
Back to Top
Kinetic Ooze
7.3%inclusion12 decks164 decks
7%synergy
Witherbloom, the Balancer
5.5%inclusion9 decks165 decks
3%synergy
Germination Practicum
4.2%inclusion6 decks143 decks
-1%synergy
Turbulent Fen
3.7%inclusion6 decks164 decks
-15%synergy
Decorum Dissertation
3.4%inclusion5 decks146 decks
-1%synergy
High Synergy Cards
Slime Against Humanity
77%inclusion1.02K decks1.32K decks
76%synergy
Emerald Medallion
57%inclusion759 decks1.32K decks
53%synergy
Biowaste Blob
52%inclusion685 decks1.32K decks
51%synergy
Thrumming Stone
49%inclusion650 decks1.32K decks
49%synergy
Biogenic Ooze
48%inclusion629 decks1.32K decks
47%synergy
Aeve, Progenitor Ooze
45%inclusion599 decks1.32K decks
45%synergy
Inspiring Call
47%inclusion617 decks1.32K decks
41%synergy
Spellweaver Helix
40%inclusion531 decks1.32K decks
40%synergy
Cloud Key
38%inclusion503 decks1.32K decks
37%synergy
Green Slime
38%inclusion497 decks1.32K decks
37%synergy
Top Cards
Cultivate
59%inclusion784 decks1.32K decks
20%synergy
Rampant Growth
55%inclusion727 decks1.32K decks
23%synergy
Kodama's Reach
47%inclusion623 decks1.32K decks
25%synergy
Nature's Lore
45%inclusion590 decks1.32K decks
19%synergy
Doubling Season
40%inclusion534 decks1.32K decks
23%synergy
Assassin's Trophy
39%inclusion521 decks1.32K decks
-8%synergy
The Earth Crystal
38%inclusion290 decks754 decks
33%synergy
Scavenging Ooze
38%inclusion503 decks1.32K decks
35%synergy
Beast Within
38%inclusion503 decks1.32K decks
4%synergy
Three Visits
37%inclusion492 decks1.32K decks
19%synergy
Game Changers
Demonic Tutor
15%inclusion205 decks1.32K decks
0%synergy
Vampiric Tutor
10%inclusion126 decks1.32K decks
-1%synergy
Bolas's Citadel
6.3%inclusion84 decks1.32K decks
1%synergy
Creatures
Oran-Rief Ooze
36%inclusion483 decks1.32K decks
36%synergy
Acidic Slime
35%inclusion463 decks1.32K decks
32%synergy
Uchuulon
33%inclusion437 decks1.32K decks
33%synergy
Predator Ooze
33%inclusion433 decks1.32K decks
32%synergy
Slurrk, All-Ingesting
32%inclusion420 decks1.32K decks
31%synergy
Ravenous Slime
27%inclusion364 decks1.32K decks
27%synergy
Ochre Jelly
27%inclusion360 decks1.32K decks
27%synergy
Gelatinous Cube
27%inclusion360 decks1.32K decks
27%synergy
Mitotic Slime
21%inclusion282 decks1.32K decks
21%synergy
Consuming Blob
21%inclusion278 decks1.32K decks
21%synergy
Experiment One
21%inclusion274 decks1.32K decks
21%synergy
Necrotic Ooze
19%inclusion254 decks1.32K decks
18%synergy
Corpsejack Menace
17%inclusion231 decks1.32K decks
10%synergy
Expanding Ooze
16%inclusion208 decks1.32K decks
15%synergy
Corrosive Ooze
14%inclusion184 decks1.32K decks
14%synergy
Temperamental Oozewagg
13%inclusion172 decks1.32K decks
13%synergy
Splitting Slime
13%inclusion170 decks1.32K decks
13%synergy
Inexorable Blob
13%inclusion166 decks1.32K decks
12%synergy
Manaplasm
12%inclusion163 decks1.32K decks
12%synergy
Witherbloom Apprentice
10%inclusion139 decks1.32K decks
6%synergy
Disciple of Freyalise
10%inclusion135 decks1.32K decks
1%synergy
Llanowar Elves
10%inclusion134 decks1.32K decks
-25%synergy
Necroplasm
9.1%inclusion120 decks1.32K decks
9%synergy
Ancient Ooze
8.8%inclusion117 decks1.32K decks
9%synergy
Gluttonous Slime
8.8%inclusion117 decks1.32K decks
9%synergy
Metallic Mimic
8.2%inclusion109 decks1.32K decks
6%synergy
Birds of Paradise
7.9%inclusion105 decks1.32K decks
-13%synergy
Kodama of the West Tree
7.8%inclusion103 decks1.32K decks
5%synergy
Terrian, World Tyrant
7.3%inclusion70 decks965 decks
7%synergy
Eternal Witness
7.2%inclusion95 decks1.32K decks
-15%synergy
Consumptive Goo
7.1%inclusion94 decks1.32K decks
7%synergy
Toski, Bearer of Secrets
7.0%inclusion93 decks1.32K decks
-6%synergy
Elvish Mystic
6.6%inclusion88 decks1.32K decks
-22%synergy
Ohran Frostfang
6.5%inclusion86 decks1.32K decks
-3%synergy
Hecteyes
5.8%inclusion43 decks744 decks
6%synergy
Printlifter Ooze
5.7%inclusion75 decks1.32K decks
6%synergy
Evolution Sage
5.6%inclusion74 decks1.32K decks
-2%synergy
Kami of Whispered Hopes
5.6%inclusion74 decks1.32K decks
0%synergy
Sedgemoor Witch
5.5%inclusion73 decks1.32K decks
2%synergy
Realmwalker
5.5%inclusion73 decks1.32K decks
-2%synergy
Ooze Patrol
5.4%inclusion52 decks965 decks
5%synergy
Gobbling Ooze
5.3%inclusion70 decks1.32K decks
5%synergy
Mutagen Man, Living Ooze
5.2%inclusion18 decks347 decks
4%synergy
Instants
Heroic Intervention
34%inclusion444 decks1.32K decks
2%synergy
Return of the Wildspeaker
24%inclusion315 decks1.32K decks
13%synergy
Putrefy
23%inclusion300 decks1.32K decks
-10%synergy
Golgari Charm
16%inclusion210 decks1.32K decks
0%synergy
Surgical Extraction
16%inclusion207 decks1.32K decks
15%synergy
Revitalizing Repast
15%inclusion195 decks1.32K decks
-5%synergy
Abrupt Decay
14%inclusion182 decks1.32K decks
-2%synergy
Atomize
12%inclusion162 decks1.32K decks
8%synergy
Dark Ritual
12%inclusion157 decks1.32K decks
-6%synergy
Tear Asunder
11%inclusion145 decks1.32K decks
-4%synergy
Krosan Grip
10%inclusion130 decks1.32K decks
4%synergy
Deathsprout
8.0%inclusion106 decks1.32K decks
3%synergy
Momentous Fall
7.6%inclusion101 decks1.32K decks
6%synergy
Deadly Rollick
7.5%inclusion99 decks1.32K decks
-4%synergy
Second Harvest
6.9%inclusion92 decks1.32K decks
-7%synergy
Fell the Profane
6.9%inclusion91 decks1.32K decks
-3%synergy
Nature's Claim
6.6%inclusion88 decks1.32K decks
-2%synergy
Harrow
6.4%inclusion85 decks1.32K decks
-2%synergy
Return to Nature
6.4%inclusion85 decks1.32K decks
1%synergy
Gift of the Viper
6.2%inclusion82 decks1.32K decks
3%synergy
Infernal Grasp
5.7%inclusion75 decks1.32K decks
-2%synergy
Noxious Revival
5.6%inclusion74 decks1.32K decks
1%synergy
Sorceries
Harmonize
33%inclusion442 decks1.32K decks
26%synergy
Farseek
33%inclusion432 decks1.32K decks
14%synergy
Rishkar's Expertise
30%inclusion391 decks1.32K decks
23%synergy
Night's Whisper
23%inclusion310 decks1.32K decks
14%synergy
Shamanic Revelation
23%inclusion306 decks1.32K decks
11%synergy
Kindred Dominance
21%inclusion284 decks1.32K decks
16%synergy
Toxic Deluge
21%inclusion279 decks1.32K decks
-1%synergy
Gelatinous Genesis
20%inclusion265 decks1.32K decks
19%synergy
Bala Ged Recovery
19%inclusion252 decks1.32K decks
8%synergy
Fangs of Kalonia
19%inclusion245 decks1.32K decks
16%synergy
Secret Salvage
18%inclusion243 decks1.32K decks
18%synergy
Convert to Slime
18%inclusion216 decks1.18K decks
16%synergy
Explore
17%inclusion231 decks1.32K decks
13%synergy
Skyshroud Claim
17%inclusion220 decks1.32K decks
12%synergy
Read the Bones
16%inclusion213 decks1.32K decks
11%synergy
Regrowth
15%inclusion203 decks1.32K decks
12%synergy
Miming Slime
13%inclusion177 decks1.32K decks
13%synergy
Overwhelming Stampede
13%inclusion170 decks1.32K decks
7%synergy
Culling Ritual
13%inclusion167 decks1.32K decks
-9%synergy
Casualties of War
12%inclusion155 decks1.32K decks
1%synergy
Life's Legacy
12%inclusion155 decks1.32K decks
10%synergy
Slime Molding
11%inclusion144 decks1.32K decks
11%synergy
Diresight
10%inclusion132 decks1.28K decks
9%synergy
Diabolic Tutor
8.7%inclusion115 decks1.32K decks
4%synergy
Sign in Blood
8.3%inclusion110 decks1.32K decks
2%synergy
Shared Roots
8.3%inclusion39 decks470 decks
5%synergy
Feed the Swarm
7.8%inclusion103 decks1.32K decks
0%synergy
Syphon Mind
7.3%inclusion97 decks1.32K decks
6%synergy
Damnation
7.3%inclusion96 decks1.32K decks
1%synergy
Bridgeworks Battle
7.0%inclusion93 decks1.32K decks
3%synergy
Nissa's Pilgrimage
6.9%inclusion92 decks1.32K decks
6%synergy
Ambition's Cost
6.7%inclusion89 decks1.32K decks
5%synergy
Migration Path
6.5%inclusion86 decks1.32K decks
5%synergy
Tendrils of Agony
6.4%inclusion85 decks1.32K decks
6%synergy
Crippling Fear
6.4%inclusion85 decks1.32K decks
4%synergy
Explosive Vegetation
6.3%inclusion83 decks1.32K decks
5%synergy
Triumph of the Hordes
6.1%inclusion81 decks1.32K decks
1%synergy
Season of Gathering
6.1%inclusion78 decks1.28K decks
2%synergy
Dark Petition
6.0%inclusion79 decks1.32K decks
5%synergy
Lost Legacy
5.6%inclusion74 decks1.32K decks
6%synergy
Exsanguinate
5.4%inclusion72 decks1.32K decks
-4%synergy
Demonic Bargain
5.4%inclusion71 decks1.32K decks
5%synergy
Utility Artifacts
Locket of Yesterdays
33%inclusion442 decks1.32K decks
33%synergy
The Ozolith
27%inclusion359 decks1.32K decks
22%synergy
Primal Amulet
22%inclusion296 decks1.32K decks
22%synergy
Semblance Anvil
22%inclusion294 decks1.32K decks
22%synergy
Ozolith, the Shattered Spire
20%inclusion259 decks1.32K decks
16%synergy
Idol of Oblivion
10%inclusion133 decks1.32K decks
2%synergy
Helm of Awakening
5.4%inclusion71 decks1.32K decks
5%synergy
Lightning Greaves
5.3%inclusion70 decks1.32K decks
-16%synergy
Bow of Nylea
5.2%inclusion69 decks1.32K decks
2%synergy
Vanquisher's Banner
5.2%inclusion69 decks1.32K decks
1%synergy
Aetherflux Reservoir
5.1%inclusion68 decks1.32K decks
3%synergy
Enchantments
Terrasymbiosis
37%inclusion252 decks689 decks
32%synergy
March of the World Ooze
36%inclusion354 decks972 decks
35%synergy
Branching Evolution
35%inclusion469 decks1.32K decks
29%synergy
Hardened Scales
34%inclusion450 decks1.32K decks
25%synergy
Garruk's Uprising
30%inclusion401 decks1.32K decks
23%synergy
Tribute to the World Tree
27%inclusion364 decks1.32K decks
24%synergy
Parallel Lives
21%inclusion284 decks1.32K decks
8%synergy
Greater Good
18%inclusion234 decks1.32K decks
12%synergy
Primal Vigor
15%inclusion205 decks1.32K decks
10%synergy
Gutter Grime
15%inclusion198 decks1.32K decks
15%synergy
Elemental Bond
14%inclusion187 decks1.32K decks
13%synergy
Loading Zone
14%inclusion92 decks677 decks
12%synergy
Phyrexian Arena
13%inclusion175 decks1.32K decks
0%synergy
Concordant Crossroads
12%inclusion165 decks1.32K decks
10%synergy
Innkeeper's Talent
12%inclusion158 decks1.28K decks
8%synergy
Ooze Flux
12%inclusion156 decks1.32K decks
12%synergy
Sphere Grid
10%inclusion79 decks768 decks
7%synergy
Colossal Majesty
8.7%inclusion115 decks1.32K decks
8%synergy
Sylvan Library
8.2%inclusion109 decks1.32K decks
-1%synergy
Hollowmurk Siege
7.5%inclusion64 decks855 decks
2%synergy
Court of Garenbrig
6.9%inclusion92 decks1.32K decks
6%synergy
Wild Growth
6.6%inclusion87 decks1.32K decks
-2%synergy
Unnatural Growth
5.5%inclusion73 decks1.32K decks
2%synergy
Insidious Roots
5.3%inclusion70 decks1.32K decks
-5%synergy
Utopia Sprawl
5.2%inclusion69 decks1.32K decks
0%synergy
Planeswalkers
Professor Onyx
8.6%inclusion114 decks1.32K decks
6%synergy
Utility Lands
Reliquary Tower
32%inclusion423 decks1.32K decks
9%synergy
Bojuka Bog
32%inclusion421 decks1.32K decks
-10%synergy
Yavimaya, Cradle of Growth
26%inclusion346 decks1.32K decks
-1%synergy
Oran-Rief, the Vastwood
22%inclusion287 decks1.32K decks
12%synergy
Urborg, Tomb of Yawgmoth
21%inclusion277 decks1.32K decks
-2%synergy
Karn's Bastion
19%inclusion256 decks1.32K decks
13%synergy
Boseiju, Who Endures
18%inclusion242 decks1.32K decks
0%synergy
Three Tree City
15%inclusion189 decks1.28K decks
4%synergy
Rogue's Passage
14%inclusion180 decks1.32K decks
-9%synergy
Susur Secundi, Void Altar
12%inclusion80 decks689 decks
8%synergy
Evendo, Waking Haven
11%inclusion76 decks682 decks
4%synergy
Cabal Coffers
8.5%inclusion113 decks1.32K decks
0%synergy
Mosswort Bridge
8.4%inclusion111 decks1.32K decks
3%synergy
Temple of the False God
5.5%inclusion73 decks1.32K decks
-1%synergy
Mana Artifacts
Sol Ring
69%inclusion914 decks1.32K decks
-10%synergy
Arcane Signet
53%inclusion706 decks1.32K decks
-9%synergy
Golgari Signet
19%inclusion257 decks1.32K decks
-6%synergy
Talisman of Resilience
16%inclusion206 decks1.32K decks
-9%synergy
Thought Vessel
9.3%inclusion123 decks1.32K decks
3%synergy
Patchwork Banner
9.1%inclusion116 decks1.28K decks
2%synergy
Commander's Sphere
5.6%inclusion74 decks1.32K decks
-1%synergy
Lands
Forest
97%inclusion1.28K decks1.32K decks
-1%synergy
Swamp
86%inclusion1.14K decks1.32K decks
-11%synergy
Command Tower
73%inclusion967 decks1.32K decks
-12%synergy
Woodland Cemetery
55%inclusion733 decks1.32K decks
-9%synergy
Overgrown Tomb
43%inclusion574 decks1.32K decks
-4%synergy
Undergrowth Stadium
39%inclusion510 decks1.32K decks
0%synergy
Llanowar Wastes
38%inclusion503 decks1.32K decks
-15%synergy
Golgari Rot Farm
33%inclusion433 decks1.32K decks
-6%synergy
Necroblossom Snarl
30%inclusion399 decks1.32K decks
-7%synergy
Deathcap Glade
29%inclusion389 decks1.32K decks
-3%synergy
Temple of Malady
28%inclusion365 decks1.32K decks
-6%synergy
Underground Mortuary
27%inclusion363 decks1.32K decks
7%synergy
Tainted Wood
27%inclusion359 decks1.32K decks
-17%synergy
Twilight Mire
27%inclusion358 decks1.32K decks
-13%synergy
Verdant Catacombs
26%inclusion344 decks1.32K decks
-3%synergy
Vernal Fen
24%inclusion164 decks686 decks
2%synergy
Bala Ged Recovery
19%inclusion252 decks1.32K decks
8%synergy
Wastewood Verge
19%inclusion183 decks975 decks
-1%synergy
Exotic Orchard
17%inclusion231 decks1.32K decks
-11%synergy
Path of Ancestry
17%inclusion224 decks1.32K decks
-7%synergy
Darkbore Pathway
17%inclusion223 decks1.32K decks
-2%synergy
Evolving Wilds
15%inclusion199 decks1.32K decks
-11%synergy
Myriad Landscape
15%inclusion195 decks1.32K decks
1%synergy
Revitalizing Repast
15%inclusion195 decks1.32K decks
-5%synergy
Viridescent Bog
14%inclusion190 decks1.32K decks
-8%synergy
Terramorphic Expanse
13%inclusion167 decks1.32K decks
-8%synergy
Bayou
12%inclusion162 decks1.32K decks
0%synergy
Haunted Mire
12%inclusion161 decks1.32K decks
-3%synergy
Blooming Marsh
11%inclusion148 decks1.32K decks
-3%synergy
Disciple of Freyalise
10%inclusion135 decks1.32K decks
1%synergy
Nurturing Peatland
10%inclusion126 decks1.32K decks
-3%synergy
Jungle Hollow
9.4%inclusion125 decks1.32K decks
-14%synergy
Fabled Passage
8.2%inclusion109 decks1.32K decks
-7%synergy
Bridgeworks Battle
7.0%inclusion93 decks1.32K decks
3%synergy
Fell the Profane
6.9%inclusion91 decks1.32K decks
-3%synergy
Festering Thicket
6.4%inclusion44 decks686 decks
-3%synergy
Golgari Guildgate
6.3%inclusion84 decks1.32K decks
-2%synergy
Woodland Chasm
6.0%inclusion80 decks1.32K decks
0%synergy
Blighted Woodland
5.1%inclusion67 decks1.32K decks
1%synergy
Misty Rainforest
5.1%inclusion67 decks1.32K decks
-2%synergy
Windswept Heath
5.1%inclusion67 decks1.32K decks
-2%synergy
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