Umori, the Collector (Commander)

Umori, the Collector
Rank #1,338
1,384decks
As CommanderAs CompanionAs CardAverage DeckDecks
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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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Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
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Rapid Rescue
2.1%inclusion4 decks187 decks
2%synergy
Subterranean Cavern
1.6%inclusion3 decks187 decks
-0%synergy
N'Yami-Class Mother Ship
1.1%inclusion2 decks178 decks
1%synergy
Mister Hyde, Monster Within
1.1%inclusion2 decks187 decks
1%synergy
The Unbeatable Squirrel Girl
1.0%inclusion2 decks194 decks
-7%synergy
High Synergy Cards
Slime Against Humanity
77%inclusion1.07K decks1.38K decks
77%synergy
Emerald Medallion
58%inclusion804 decks1.38K decks
54%synergy
Biowaste Blob
53%inclusion735 decks1.38K decks
53%synergy
Biogenic Ooze
49%inclusion683 decks1.38K decks
49%synergy
Thrumming Stone
49%inclusion679 decks1.38K decks
49%synergy
Aeve, Progenitor Ooze
46%inclusion634 decks1.38K decks
45%synergy
Inspiring Call
48%inclusion664 decks1.38K decks
42%synergy
Spellweaver Helix
41%inclusion570 decks1.38K decks
41%synergy
Green Slime
39%inclusion537 decks1.38K decks
38%synergy
Cloud Key
39%inclusion535 decks1.38K decks
38%synergy
Top Cards
Cultivate
60%inclusion832 decks1.38K decks
21%synergy
Rampant Growth
56%inclusion776 decks1.38K decks
25%synergy
Kodama's Reach
47%inclusion648 decks1.38K decks
26%synergy
Nature's Lore
45%inclusion621 decks1.38K decks
19%synergy
Assassin's Trophy
41%inclusion568 decks1.38K decks
-6%synergy
Doubling Season
41%inclusion565 decks1.38K decks
24%synergy
The Earth Crystal
39%inclusion354 decks906 decks
34%synergy
Scavenging Ooze
39%inclusion536 decks1.38K decks
35%synergy
Beast Within
39%inclusion533 decks1.38K decks
5%synergy
Oran-Rief Ooze
38%inclusion522 decks1.38K decks
37%synergy
Game Changers
Demonic Tutor
15%inclusion213 decks1.38K decks
0%synergy
Vampiric Tutor
10%inclusion134 decks1.38K decks
-1%synergy
Bolas's Citadel
6.2%inclusion86 decks1.38K decks
1%synergy
Creatures
Acidic Slime
37%inclusion507 decks1.38K decks
34%synergy
Predator Ooze
34%inclusion475 decks1.38K decks
34%synergy
Uchuulon
34%inclusion470 decks1.38K decks
34%synergy
Slurrk, All-Ingesting
32%inclusion449 decks1.38K decks
32%synergy
Ravenous Slime
29%inclusion400 decks1.38K decks
29%synergy
Ochre Jelly
29%inclusion395 decks1.38K decks
28%synergy
Gelatinous Cube
29%inclusion395 decks1.38K decks
28%synergy
Mitotic Slime
22%inclusion310 decks1.38K decks
22%synergy
Consuming Blob
21%inclusion290 decks1.38K decks
21%synergy
Experiment One
20%inclusion279 decks1.38K decks
20%synergy
Necrotic Ooze
20%inclusion273 decks1.38K decks
19%synergy
Corpsejack Menace
18%inclusion243 decks1.38K decks
11%synergy
Expanding Ooze
16%inclusion226 decks1.38K decks
16%synergy
Corrosive Ooze
14%inclusion197 decks1.38K decks
14%synergy
Inexorable Blob
14%inclusion189 decks1.38K decks
14%synergy
Temperamental Oozewagg
14%inclusion187 decks1.38K decks
13%synergy
Splitting Slime
13%inclusion181 decks1.38K decks
13%synergy
Kinetic Ooze
13%inclusion43 decks331 decks
13%synergy
Manaplasm
12%inclusion168 decks1.38K decks
12%synergy
Disciple of Freyalise
10%inclusion141 decks1.38K decks
1%synergy
Llanowar Elves
10%inclusion138 decks1.38K decks
-25%synergy
Witherbloom Apprentice
10%inclusion133 decks1.38K decks
5%synergy
Ancient Ooze
9.0%inclusion124 decks1.38K decks
9%synergy
Gluttonous Slime
8.8%inclusion122 decks1.38K decks
9%synergy
Necroplasm
8.8%inclusion122 decks1.38K decks
9%synergy
Metallic Mimic
8.1%inclusion112 decks1.38K decks
6%synergy
Birds of Paradise
7.7%inclusion107 decks1.38K decks
-13%synergy
Kodama of the West Tree
7.2%inclusion100 decks1.38K decks
5%synergy
Terrian, World Tyrant
7.2%inclusion80 decks1.11K decks
7%synergy
Eternal Witness
7.0%inclusion97 decks1.38K decks
-15%synergy
Consumptive Goo
6.7%inclusion93 decks1.38K decks
7%synergy
Elvish Mystic
6.5%inclusion90 decks1.38K decks
-23%synergy
Toski, Bearer of Secrets
6.4%inclusion89 decks1.38K decks
-7%synergy
Ohran Frostfang
6.4%inclusion88 decks1.38K decks
-4%synergy
Hecteyes
6.0%inclusion54 decks896 decks
6%synergy
Witherbloom, the Balancer
5.7%inclusion19 decks332 decks
3%synergy
Ooze Patrol
5.6%inclusion62 decks1.11K decks
5%synergy
Evolution Sage
5.5%inclusion76 decks1.38K decks
-2%synergy
Realmwalker
5.3%inclusion74 decks1.38K decks
-2%synergy
Sakura-Tribe Elder
5.3%inclusion74 decks1.38K decks
-23%synergy
Printlifter Ooze
5.1%inclusion71 decks1.38K decks
5%synergy
Gobbling Ooze
5.1%inclusion71 decks1.38K decks
5%synergy
Sedgemoor Witch
5.1%inclusion70 decks1.38K decks
1%synergy
Kami of Whispered Hopes
5.1%inclusion70 decks1.38K decks
-0%synergy
Instants
Heroic Intervention
34%inclusion468 decks1.38K decks
2%synergy
Return of the Wildspeaker
25%inclusion342 decks1.38K decks
13%synergy
Putrefy
23%inclusion314 decks1.38K decks
-10%synergy
Golgari Charm
16%inclusion221 decks1.38K decks
0%synergy
Surgical Extraction
15%inclusion211 decks1.38K decks
15%synergy
Revitalizing Repast
14%inclusion195 decks1.38K decks
-6%synergy
Abrupt Decay
14%inclusion188 decks1.38K decks
-2%synergy
Dark Ritual
12%inclusion167 decks1.38K decks
-6%synergy
Tear Asunder
12%inclusion162 decks1.38K decks
-3%synergy
Atomize
12%inclusion161 decks1.38K decks
7%synergy
Krosan Grip
10%inclusion132 decks1.38K decks
4%synergy
Second Harvest
7.7%inclusion107 decks1.38K decks
-6%synergy
Deathsprout
7.7%inclusion107 decks1.38K decks
3%synergy
Deadly Rollick
7.4%inclusion103 decks1.38K decks
-4%synergy
Fell the Profane
7.4%inclusion102 decks1.38K decks
-2%synergy
Momentous Fall
7.2%inclusion100 decks1.38K decks
5%synergy
Nature's Claim
6.4%inclusion88 decks1.38K decks
-2%synergy
Harrow
6.1%inclusion85 decks1.38K decks
-2%synergy
Return to Nature
5.9%inclusion82 decks1.38K decks
1%synergy
Gift of the Viper
5.7%inclusion79 decks1.38K decks
2%synergy
Infernal Grasp
5.2%inclusion72 decks1.38K decks
-3%synergy
Noxious Revival
5.2%inclusion72 decks1.38K decks
1%synergy
Sorceries
Three Visits
37%inclusion515 decks1.38K decks
19%synergy
Harmonize
34%inclusion475 decks1.38K decks
27%synergy
Farseek
34%inclusion469 decks1.38K decks
15%synergy
Rishkar's Expertise
30%inclusion410 decks1.38K decks
23%synergy
Night's Whisper
24%inclusion326 decks1.38K decks
14%synergy
Shamanic Revelation
22%inclusion311 decks1.38K decks
10%synergy
Kindred Dominance
22%inclusion300 decks1.38K decks
16%synergy
Gelatinous Genesis
21%inclusion294 decks1.38K decks
20%synergy
Toxic Deluge
20%inclusion283 decks1.38K decks
-1%synergy
Convert to Slime
20%inclusion259 decks1.33K decks
18%synergy
Bala Ged Recovery
19%inclusion267 decks1.38K decks
9%synergy
Explore
18%inclusion254 decks1.38K decks
14%synergy
Secret Salvage
18%inclusion252 decks1.38K decks
18%synergy
Fangs of Kalonia
18%inclusion246 decks1.38K decks
16%synergy
Skyshroud Claim
16%inclusion222 decks1.38K decks
12%synergy
Read the Bones
15%inclusion212 decks1.38K decks
11%synergy
Regrowth
15%inclusion205 decks1.38K decks
12%synergy
Miming Slime
14%inclusion192 decks1.38K decks
14%synergy
Overwhelming Stampede
12%inclusion172 decks1.38K decks
7%synergy
Culling Ritual
12%inclusion168 decks1.38K decks
-9%synergy
Life's Legacy
12%inclusion161 decks1.38K decks
9%synergy
Casualties of War
11%inclusion157 decks1.38K decks
1%synergy
Slime Molding
11%inclusion155 decks1.38K decks
11%synergy
Diresight
10%inclusion139 decks1.38K decks
9%synergy
Sign in Blood
8.5%inclusion117 decks1.38K decks
2%synergy
Shared Roots
8.3%inclusion52 decks625 decks
5%synergy
Diabolic Tutor
8.2%inclusion114 decks1.38K decks
3%synergy
Bridgeworks Battle
8.0%inclusion111 decks1.38K decks
4%synergy
Feed the Swarm
7.7%inclusion106 decks1.38K decks
0%synergy
Nissa's Pilgrimage
7.2%inclusion100 decks1.38K decks
7%synergy
Syphon Mind
7.2%inclusion99 decks1.38K decks
6%synergy
Damnation
6.8%inclusion94 decks1.38K decks
0%synergy
Ambition's Cost
6.4%inclusion88 decks1.38K decks
5%synergy
Migration Path
6.1%inclusion85 decks1.38K decks
5%synergy
Triumph of the Hordes
6.1%inclusion84 decks1.38K decks
1%synergy
Tendrils of Agony
6.0%inclusion83 decks1.38K decks
6%synergy
Season of Gathering
5.8%inclusion80 decks1.38K decks
2%synergy
Crippling Fear
5.8%inclusion80 decks1.38K decks
4%synergy
Lost Legacy
5.6%inclusion78 decks1.38K decks
6%synergy
Explosive Vegetation
5.6%inclusion77 decks1.38K decks
4%synergy
Exsanguinate
5.5%inclusion76 decks1.38K decks
-4%synergy
Dark Petition
5.4%inclusion75 decks1.38K decks
5%synergy
Demonic Bargain
5.3%inclusion73 decks1.38K decks
5%synergy
Utility Artifacts
Locket of Yesterdays
35%inclusion484 decks1.38K decks
35%synergy
The Ozolith
28%inclusion384 decks1.38K decks
23%synergy
Primal Amulet
22%inclusion303 decks1.38K decks
22%synergy
Semblance Anvil
22%inclusion299 decks1.38K decks
21%synergy
Ozolith, the Shattered Spire
20%inclusion271 decks1.38K decks
16%synergy
Idol of Oblivion
10%inclusion139 decks1.38K decks
2%synergy
Lightning Greaves
5.2%inclusion72 decks1.38K decks
-16%synergy
Helm of Awakening
5.2%inclusion72 decks1.38K decks
5%synergy
Enchantments
March of the World Ooze
36%inclusion404 decks1.12K decks
35%synergy
Branching Evolution
36%inclusion497 decks1.38K decks
30%synergy
Terrasymbiosis
35%inclusion294 decks842 decks
30%synergy
Hardened Scales
34%inclusion475 decks1.38K decks
25%synergy
Garruk's Uprising
32%inclusion442 decks1.38K decks
25%synergy
Tribute to the World Tree
27%inclusion368 decks1.38K decks
23%synergy
Parallel Lives
22%inclusion299 decks1.38K decks
9%synergy
Greater Good
17%inclusion232 decks1.38K decks
11%synergy
Primal Vigor
16%inclusion215 decks1.38K decks
10%synergy
Gutter Grime
15%inclusion203 decks1.38K decks
14%synergy
Elemental Bond
13%inclusion184 decks1.38K decks
13%synergy
Phyrexian Arena
13%inclusion180 decks1.38K decks
0%synergy
Loading Zone
13%inclusion107 decks830 decks
11%synergy
Innkeeper's Talent
12%inclusion170 decks1.38K decks
8%synergy
Concordant Crossroads
12%inclusion167 decks1.38K decks
10%synergy
Ooze Flux
12%inclusion160 decks1.38K decks
11%synergy
Sphere Grid
10%inclusion94 decks920 decks
7%synergy
Colossal Majesty
8.2%inclusion114 decks1.38K decks
7%synergy
Sylvan Library
7.8%inclusion108 decks1.38K decks
-1%synergy
Hollowmurk Siege
7.7%inclusion77 decks1K decks
3%synergy
Court of Garenbrig
6.7%inclusion93 decks1.38K decks
5%synergy
Wild Growth
6.4%inclusion89 decks1.38K decks
-2%synergy
Unnatural Growth
5.8%inclusion80 decks1.38K decks
3%synergy
Utopia Sprawl
5.2%inclusion72 decks1.38K decks
-0%synergy
Planeswalkers
Professor Onyx
8.2%inclusion114 decks1.38K decks
6%synergy
Utility Lands
Reliquary Tower
32%inclusion448 decks1.38K decks
10%synergy
Bojuka Bog
31%inclusion434 decks1.38K decks
-11%synergy
Yavimaya, Cradle of Growth
27%inclusion368 decks1.38K decks
-1%synergy
Oran-Rief, the Vastwood
22%inclusion308 decks1.38K decks
12%synergy
Urborg, Tomb of Yawgmoth
21%inclusion290 decks1.38K decks
-1%synergy
Karn's Bastion
19%inclusion257 decks1.38K decks
12%synergy
Boseiju, Who Endures
18%inclusion252 decks1.38K decks
0%synergy
Three Tree City
15%inclusion208 decks1.38K decks
4%synergy
Rogue's Passage
13%inclusion181 decks1.38K decks
-9%synergy
Evendo, Waking Haven
11%inclusion90 decks835 decks
4%synergy
Susur Secundi, Void Altar
11%inclusion90 decks842 decks
7%synergy
Mosswort Bridge
8.5%inclusion118 decks1.38K decks
3%synergy
Cabal Coffers
8.5%inclusion117 decks1.38K decks
0%synergy
Temple of the False God
5.9%inclusion81 decks1.38K decks
-1%synergy
Mana Artifacts
Sol Ring
70%inclusion971 decks1.38K decks
-9%synergy
Arcane Signet
54%inclusion752 decks1.38K decks
-8%synergy
Golgari Signet
19%inclusion265 decks1.38K decks
-5%synergy
Talisman of Resilience
16%inclusion221 decks1.38K decks
-8%synergy
Patchwork Banner
9.3%inclusion129 decks1.38K decks
3%synergy
Thought Vessel
8.8%inclusion122 decks1.38K decks
3%synergy
Commander's Sphere
5.4%inclusion75 decks1.38K decks
-1%synergy
Lands
Forest
97%inclusion1.34K decks1.38K decks
-1%synergy
Swamp
87%inclusion1.20K decks1.38K decks
-11%synergy
Command Tower
74%inclusion1.03K decks1.38K decks
-11%synergy
Woodland Cemetery
56%inclusion771 decks1.38K decks
-9%synergy
Overgrown Tomb
43%inclusion602 decks1.38K decks
-5%synergy
Llanowar Wastes
39%inclusion533 decks1.38K decks
-15%synergy
Undergrowth Stadium
38%inclusion525 decks1.38K decks
-1%synergy
Golgari Rot Farm
32%inclusion446 decks1.38K decks
-6%synergy
Deathcap Glade
31%inclusion430 decks1.38K decks
-3%synergy
Necroblossom Snarl
31%inclusion424 decks1.38K decks
-7%synergy
Tainted Wood
29%inclusion400 decks1.38K decks
-15%synergy
Twilight Mire
28%inclusion392 decks1.38K decks
-12%synergy
Temple of Malady
28%inclusion381 decks1.38K decks
-6%synergy
Underground Mortuary
27%inclusion371 decks1.38K decks
6%synergy
Verdant Catacombs
25%inclusion348 decks1.38K decks
-4%synergy
Vernal Fen
25%inclusion207 decks839 decks
1%synergy
Bala Ged Recovery
19%inclusion267 decks1.38K decks
9%synergy
Wastewood Verge
19%inclusion215 decks1.12K decks
-1%synergy
Exotic Orchard
18%inclusion243 decks1.38K decks
-11%synergy
Path of Ancestry
17%inclusion240 decks1.38K decks
-7%synergy
Darkbore Pathway
16%inclusion227 decks1.38K decks
-2%synergy
Evolving Wilds
16%inclusion219 decks1.38K decks
-10%synergy
Myriad Landscape
14%inclusion200 decks1.38K decks
1%synergy
Viridescent Bog
14%inclusion195 decks1.38K decks
-9%synergy
Revitalizing Repast
14%inclusion195 decks1.38K decks
-6%synergy
Terramorphic Expanse
13%inclusion176 decks1.38K decks
-8%synergy
Bayou
12%inclusion171 decks1.38K decks
0%synergy
Haunted Mire
12%inclusion164 decks1.38K decks
-3%synergy
Blooming Marsh
11%inclusion151 decks1.38K decks
-3%synergy
Disciple of Freyalise
10%inclusion141 decks1.38K decks
1%synergy
Jungle Hollow
10%inclusion134 decks1.38K decks
-14%synergy
Nurturing Peatland
9.2%inclusion128 decks1.38K decks
-3%synergy
Fabled Passage
8.5%inclusion118 decks1.38K decks
-8%synergy
Bridgeworks Battle
8.0%inclusion111 decks1.38K decks
4%synergy
Fell the Profane
7.4%inclusion102 decks1.38K decks
-2%synergy
Festering Thicket
6.4%inclusion54 decks839 decks
-3%synergy
Golgari Guildgate
6.1%inclusion85 decks1.38K decks
-2%synergy
Woodland Chasm
5.7%inclusion79 decks1.38K decks
0%synergy
Turbulent Fen
5.4%inclusion18 decks331 decks
-12%synergy
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