Umori, the Collector (Commander) - Expensive Slime Against Humanity

Umori, the Collector
Rank #1,318
3decks
As CommanderAs CompanionAs CardAverage DeckDecks
Bracket
All12345
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
Mana Artifacts
Lands
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Demonic Tutor
33%inclusion1 decks3 decks
18%synergy
Vampiric Tutor
33%inclusion1 decks3 decks
23%synergy
Creatures
Defiler of Vigor
33%inclusion1 decks3 decks
32%synergy
Green Slime
33%inclusion1 decks3 decks
33%synergy
Selvala, Heart of the Wilds
33%inclusion1 decks3 decks
30%synergy
Golgari Grave-Troll
33%inclusion1 decks3 decks
28%synergy
Biowaste Blob
33%inclusion1 decks3 decks
33%synergy
Oran-Rief Ooze
33%inclusion1 decks3 decks
33%synergy
Runadi, Behemoth Caller
33%inclusion1 decks3 decks
33%synergy
Golgari Thug
33%inclusion1 decks3 decks
30%synergy
Predator Ooze
33%inclusion1 decks3 decks
33%synergy
Necroplasm
33%inclusion1 decks3 decks
33%synergy
Biogenic Ooze
33%inclusion1 decks3 decks
33%synergy
Stinkweed Imp
33%inclusion1 decks3 decks
30%synergy
Instants
Inspiring Call
67%inclusion2 decks3 decks
61%synergy
Midnight Tilling
50%inclusion1 decks2 decks
48%synergy
Deadly Rollick
33%inclusion1 decks3 decks
22%synergy
Cache Grab
33%inclusion1 decks3 decks
29%synergy
In the Presence of Ages
33%inclusion1 decks3 decks
33%synergy
Heroic Intervention
33%inclusion1 decks3 decks
2%synergy
Dark Bargain
33%inclusion1 decks3 decks
33%synergy
Surgical Extraction
33%inclusion1 decks3 decks
33%synergy
Second Harvest
33%inclusion1 decks3 decks
19%synergy
Seed of Hope
33%inclusion1 decks3 decks
33%synergy
Inscription of Abundance
33%inclusion1 decks3 decks
32%synergy
Grisly Salvage
33%inclusion1 decks3 decks
24%synergy
Wasteful Harvest
33%inclusion1 decks3 decks
33%synergy
Sorceries
Slime Against Humanity
100%inclusion3 decks3 decks
99%synergy
Cultivate
67%inclusion2 decks3 decks
28%synergy
Rishkar's Expertise
67%inclusion2 decks3 decks
60%synergy
Toxic Deluge
67%inclusion2 decks3 decks
45%synergy
Secret Salvage
67%inclusion2 decks3 decks
67%synergy
Commune with Evil
33%inclusion1 decks3 decks
33%synergy
Benefaction of Rhonas
33%inclusion1 decks3 decks
33%synergy
Diabolic Intent
33%inclusion1 decks3 decks
24%synergy
Scout the Borders
33%inclusion1 decks3 decks
33%synergy
Mulch
33%inclusion1 decks3 decks
30%synergy
Kodama's Reach
33%inclusion1 decks3 decks
12%synergy
Discerning Taste
33%inclusion1 decks3 decks
33%synergy
Three Visits
33%inclusion1 decks3 decks
15%synergy
Journey of Discovery
33%inclusion1 decks3 decks
33%synergy
Yawgmoth's Will
33%inclusion1 decks3 decks
33%synergy
Triumph of the Hordes
33%inclusion1 decks3 decks
28%synergy
Winding Way
33%inclusion1 decks3 decks
33%synergy
Lost Legacy
33%inclusion1 decks3 decks
33%synergy
Commune with the Gods
33%inclusion1 decks3 decks
33%synergy
Infernal Tutor
33%inclusion1 decks3 decks
33%synergy
Nature's Lore
33%inclusion1 decks3 decks
8%synergy
Rampant Growth
33%inclusion1 decks3 decks
2%synergy
Ransack the Lab
33%inclusion1 decks3 decks
33%synergy
Life from the Loam
33%inclusion1 decks3 decks
26%synergy
Dark Deal
33%inclusion1 decks3 decks
33%synergy
Life's Legacy
33%inclusion1 decks3 decks
31%synergy
Bala Ged Recovery
33%inclusion1 decks3 decks
23%synergy
Malevolent Rumble
33%inclusion1 decks3 decks
31%synergy
Relentless Pursuit
33%inclusion1 decks3 decks
33%synergy
Memoricide
33%inclusion1 decks3 decks
33%synergy
Overwhelming Stampede
33%inclusion1 decks3 decks
28%synergy
Crippling Fear
33%inclusion1 decks3 decks
31%synergy
Bitter Revelation
33%inclusion1 decks3 decks
33%synergy
Tip the Scales
33%inclusion1 decks3 decks
33%synergy
Utility Artifacts
The Ozolith
67%inclusion2 decks3 decks
62%synergy
Spellweaver Helix
67%inclusion2 decks3 decks
66%synergy
Thrumming Stone
67%inclusion2 decks3 decks
66%synergy
Semblance Anvil
67%inclusion2 decks3 decks
66%synergy
Locket of Yesterdays
67%inclusion2 decks3 decks
66%synergy
Emerald Medallion
67%inclusion2 decks3 decks
63%synergy
The Earth Crystal
67%inclusion2 decks3 decks
62%synergy
Cloud Key
33%inclusion1 decks3 decks
33%synergy
The Great Henge
33%inclusion1 decks3 decks
27%synergy
Primal Amulet
33%inclusion1 decks3 decks
33%synergy
Candles of Leng
33%inclusion1 decks3 decks
33%synergy
Idol of Oblivion
33%inclusion1 decks3 decks
25%synergy
Lightning Greaves
33%inclusion1 decks3 decks
12%synergy
Helm of Awakening
33%inclusion1 decks3 decks
33%synergy
Enchantments
Doubling Season
67%inclusion2 decks3 decks
49%synergy
March of the World Ooze
67%inclusion2 decks3 decks
65%synergy
Concordant Crossroads
67%inclusion2 decks3 decks
65%synergy
Terrasymbiosis
67%inclusion2 decks3 decks
62%synergy
Exploration
33%inclusion1 decks3 decks
29%synergy
Branching Evolution
33%inclusion1 decks3 decks
27%synergy
Carpet of Flowers
33%inclusion1 decks3 decks
32%synergy
Deadbridge Chant
33%inclusion1 decks3 decks
28%synergy
Tribute to the World Tree
33%inclusion1 decks3 decks
30%synergy
Warlock Class
33%inclusion1 decks3 decks
33%synergy
Parallel Lives
33%inclusion1 decks3 decks
20%synergy
Burgeoning
33%inclusion1 decks3 decks
32%synergy
Innkeeper's Talent
33%inclusion1 decks3 decks
29%synergy
Sylvan Library
33%inclusion1 decks3 decks
24%synergy
Druids' Repository
33%inclusion1 decks3 decks
33%synergy
Druid Class
33%inclusion1 decks3 decks
32%synergy
Vessel of Nascency
33%inclusion1 decks3 decks
33%synergy
Loading Zone
33%inclusion1 decks3 decks
32%synergy
Utility Lands
Yavimaya, Cradle of Growth
67%inclusion2 decks3 decks
39%synergy
Three Tree City
67%inclusion2 decks3 decks
56%synergy
Bojuka Bog
33%inclusion1 decks3 decks
-8%synergy
Urza's Saga
33%inclusion1 decks3 decks
29%synergy
Mosswort Bridge
33%inclusion1 decks3 decks
28%synergy
Karn's Bastion
33%inclusion1 decks3 decks
27%synergy
Reliquary Tower
33%inclusion1 decks3 decks
10%synergy
Urborg, Tomb of Yawgmoth
33%inclusion1 decks3 decks
11%synergy
Oran-Rief, the Vastwood
33%inclusion1 decks3 decks
23%synergy
Mana Artifacts
Sol Ring
33%inclusion1 decks3 decks
-46%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
14%synergy
Swamp
100%inclusion3 decks3 decks
2%synergy
Forest
100%inclusion3 decks3 decks
2%synergy
Fabled Passage
67%inclusion2 decks3 decks
51%synergy
Overgrown Tomb
67%inclusion2 decks3 decks
19%synergy
Hidden Hideout
50%inclusion1 decks2 decks
49%synergy
Exotic Orchard
33%inclusion1 decks3 decks
5%synergy
Llanowar Wastes
33%inclusion1 decks3 decks
-20%synergy
Verdant Catacombs
33%inclusion1 decks3 decks
4%synergy
Reflecting Pool
33%inclusion1 decks3 decks
31%synergy
Undergrowth Stadium
33%inclusion1 decks3 decks
-6%synergy
Underground Mortuary
33%inclusion1 decks3 decks
13%synergy
Darkbore Pathway
33%inclusion1 decks3 decks
15%synergy
Plaza of Heroes
33%inclusion1 decks3 decks
32%synergy
Opal Palace
33%inclusion1 decks3 decks
31%synergy
Haunted Mire
33%inclusion1 decks3 decks
18%synergy
Path of Ancestry
33%inclusion1 decks3 decks
10%synergy
Bayou
33%inclusion1 decks3 decks
21%synergy
Woodland Chasm
33%inclusion1 decks3 decks
27%synergy
Wastewood Verge
33%inclusion1 decks3 decks
14%synergy
Woodland Cemetery
33%inclusion1 decks3 decks
-31%synergy
Forbidden Orchard
33%inclusion1 decks3 decks
32%synergy
Bala Ged Recovery
33%inclusion1 decks3 decks
23%synergy
Twilight Mire
33%inclusion1 decks3 decks
-7%synergy
Temple of Malady
33%inclusion1 decks3 decks
-0%synergy
City of Brass
33%inclusion1 decks3 decks
30%synergy
Vernal Fen
33%inclusion1 decks3 decks
10%synergy
Festering Thicket
33%inclusion1 decks3 decks
24%synergy
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