Umori, the Collector (Commander) - Core +1/+1 Counters

Umori, the Collector
Rank #1,338
21decks
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
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Lands
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Slime Against Humanity
95%inclusion20 decks21 decks
95%synergy
Emerald Medallion
90%inclusion19 decks21 decks
86%synergy
March of the World Ooze
70%inclusion14 decks20 decks
69%synergy
The Earth Crystal
71%inclusion12 decks17 decks
66%synergy
Scavenging Ooze
67%inclusion14 decks21 decks
63%synergy
Biogenic Ooze
62%inclusion13 decks21 decks
62%synergy
Aeve, Progenitor Ooze
57%inclusion12 decks21 decks
57%synergy
Predator Ooze
57%inclusion12 decks21 decks
57%synergy
Thrumming Stone
57%inclusion12 decks21 decks
57%synergy
Biowaste Blob
57%inclusion12 decks21 decks
57%synergy
Top Cards
Rampant Growth
67%inclusion14 decks21 decks
35%synergy
Inspiring Call
62%inclusion13 decks21 decks
56%synergy
Cultivate
57%inclusion12 decks21 decks
18%synergy
Terrasymbiosis
53%inclusion9 decks17 decks
48%synergy
Cloud Key
52%inclusion11 decks21 decks
52%synergy
Tribute to the World Tree
52%inclusion11 decks21 decks
49%synergy
Locket of Yesterdays
52%inclusion11 decks21 decks
52%synergy
Assassin's Trophy
52%inclusion11 decks21 decks
5%synergy
Spellweaver Helix
52%inclusion11 decks21 decks
52%synergy
Branching Evolution
52%inclusion11 decks21 decks
46%synergy
Creatures
Green Slime
48%inclusion10 decks21 decks
47%synergy
Uchuulon
48%inclusion10 decks21 decks
47%synergy
Gelatinous Cube
48%inclusion10 decks21 decks
47%synergy
Oran-Rief Ooze
48%inclusion10 decks21 decks
47%synergy
Slurrk, All-Ingesting
48%inclusion10 decks21 decks
47%synergy
Ochre Jelly
43%inclusion9 decks21 decks
42%synergy
Mitotic Slime
38%inclusion8 decks21 decks
38%synergy
Acidic Slime
38%inclusion8 decks21 decks
35%synergy
Necrotic Ooze
38%inclusion8 decks21 decks
37%synergy
Ravenous Slime
38%inclusion8 decks21 decks
38%synergy
Expanding Ooze
38%inclusion8 decks21 decks
38%synergy
Consuming Blob
38%inclusion8 decks21 decks
38%synergy
Experiment One
29%inclusion6 decks21 decks
28%synergy
Manaplasm
29%inclusion6 decks21 decks
29%synergy
Necroplasm
24%inclusion5 decks21 decks
24%synergy
Inexorable Blob
24%inclusion5 decks21 decks
24%synergy
Terrian, World Tyrant
20%inclusion4 decks20 decks
20%synergy
Temperamental Oozewagg
19%inclusion4 decks21 decks
19%synergy
Ancient Ooze
19%inclusion4 decks21 decks
19%synergy
Disciple of Freyalise
19%inclusion4 decks21 decks
10%synergy
Corrosive Ooze
19%inclusion4 decks21 decks
19%synergy
Gobbling Ooze
19%inclusion4 decks21 decks
19%synergy
Splitting Slime
19%inclusion4 decks21 decks
19%synergy
Corpsejack Menace
19%inclusion4 decks21 decks
12%synergy
Metallic Mimic
14%inclusion3 decks21 decks
12%synergy
Gluttonous Slime
14%inclusion3 decks21 decks
14%synergy
Llanowar Elves
14%inclusion3 decks21 decks
-21%synergy
Realmwalker
14%inclusion3 decks21 decks
7%synergy
Mutagen Man, Living Ooze
14%inclusion2 decks14 decks
13%synergy
Ooze Patrol
10%inclusion2 decks20 decks
10%synergy
Crashing Drawbridge
10%inclusion2 decks21 decks
9%synergy
Printlifter Ooze
10%inclusion2 decks21 decks
9%synergy
Elvish Mystic
10%inclusion2 decks21 decks
-20%synergy
Consumptive Goo
10%inclusion2 decks21 decks
9%synergy
Evolution Sage
10%inclusion2 decks21 decks
2%synergy
Birds of Paradise
10%inclusion2 decks21 decks
-12%synergy
Kinetic Ooze
8.3%inclusion1 decks12 decks
8%synergy
Putrid Pals
7.7%inclusion1 decks13 decks
7%synergy
Pizza Face, Gastromancer
7.7%inclusion1 decks13 decks
7%synergy
Jenova, Ancient Calamity
5.9%inclusion1 decks17 decks
3%synergy
Hecteyes
5.9%inclusion1 decks17 decks
6%synergy
Instants
Heroic Intervention
43%inclusion9 decks21 decks
11%synergy
Beast Within
43%inclusion9 decks21 decks
9%synergy
Return of the Wildspeaker
29%inclusion6 decks21 decks
17%synergy
Putrefy
29%inclusion6 decks21 decks
-4%synergy
Surgical Extraction
24%inclusion5 decks21 decks
24%synergy
Tear Asunder
24%inclusion5 decks21 decks
9%synergy
Abrupt Decay
19%inclusion4 decks21 decks
4%synergy
Krosan Grip
19%inclusion4 decks21 decks
14%synergy
Atomize
19%inclusion4 decks21 decks
15%synergy
Deathsprout
19%inclusion4 decks21 decks
14%synergy
Second Harvest
14%inclusion3 decks21 decks
0%synergy
Gift of the Viper
14%inclusion3 decks21 decks
11%synergy
Revitalizing Repast
14%inclusion3 decks21 decks
-6%synergy
Golgari Charm
14%inclusion3 decks21 decks
-1%synergy
Deadly Rollick
10%inclusion2 decks21 decks
-2%synergy
Nature's Claim
10%inclusion2 decks21 decks
1%synergy
Harrow
10%inclusion2 decks21 decks
1%synergy
Infernal Grasp
10%inclusion2 decks21 decks
2%synergy
Rocky Rebuke
6.3%inclusion1 decks16 decks
6%synergy
Lifestream's Blessing
5.9%inclusion1 decks17 decks
4%synergy
Sorceries
Kodama's Reach
48%inclusion10 decks21 decks
26%synergy
Nature's Lore
43%inclusion9 decks21 decks
17%synergy
Kindred Dominance
43%inclusion9 decks21 decks
37%synergy
Three Visits
38%inclusion8 decks21 decks
20%synergy
Convert to Slime
38%inclusion8 decks21 decks
36%synergy
Secret Salvage
38%inclusion8 decks21 decks
38%synergy
Gelatinous Genesis
33%inclusion7 decks21 decks
32%synergy
Rishkar's Expertise
33%inclusion7 decks21 decks
27%synergy
Harmonize
29%inclusion6 decks21 decks
21%synergy
Farseek
24%inclusion5 decks21 decks
5%synergy
Miming Slime
24%inclusion5 decks21 decks
24%synergy
Toxic Deluge
24%inclusion5 decks21 decks
2%synergy
Life's Legacy
24%inclusion5 decks21 decks
22%synergy
Shamanic Revelation
24%inclusion5 decks21 decks
11%synergy
Slime Molding
19%inclusion4 decks21 decks
19%synergy
Casualties of War
14%inclusion3 decks21 decks
4%synergy
Fangs of Kalonia
14%inclusion3 decks21 decks
12%synergy
Explore
14%inclusion3 decks21 decks
10%synergy
Bala Ged Recovery
14%inclusion3 decks21 decks
4%synergy
Shared Roots
13%inclusion2 decks15 decks
10%synergy
Unnatural Restoration
10%inclusion2 decks21 decks
6%synergy
Far Wanderings
10%inclusion2 decks21 decks
9%synergy
Skyshroud Claim
10%inclusion2 decks21 decks
5%synergy
Lost Legacy
10%inclusion2 decks21 decks
9%synergy
Night's Whisper
10%inclusion2 decks21 decks
0%synergy
Pillage the Bog
10%inclusion2 decks21 decks
8%synergy
Bridgeworks Battle
10%inclusion2 decks21 decks
5%synergy
Sign in Blood
10%inclusion2 decks21 decks
3%synergy
Overwhelming Stampede
10%inclusion2 decks21 decks
4%synergy
Regrowth
10%inclusion2 decks21 decks
7%synergy
Crippling Fear
10%inclusion2 decks21 decks
7%synergy
Bloodline Bidding
7.1%inclusion1 decks14 decks
3%synergy
Resentful Revelation
5.9%inclusion1 decks17 decks
5%synergy
Roamer's Routine
5.6%inclusion1 decks18 decks
5%synergy
Synchronized Charge
5.6%inclusion1 decks18 decks
5%synergy
Blasphemous Edict
5.0%inclusion1 decks20 decks
-1%synergy
Utility Artifacts
Ozolith, the Shattered Spire
38%inclusion8 decks21 decks
34%synergy
The Ozolith
33%inclusion7 decks21 decks
28%synergy
Primal Amulet
29%inclusion6 decks21 decks
28%synergy
Semblance Anvil
24%inclusion5 decks21 decks
23%synergy
Vanquisher's Banner
14%inclusion3 decks21 decks
10%synergy
The Ooze
14%inclusion2 decks14 decks
13%synergy
Elixir of Immortality
10%inclusion2 decks21 decks
8%synergy
Vedalken Orrery
10%inclusion2 decks21 decks
9%synergy
Foot Chopper
7.1%inclusion1 decks14 decks
7%synergy
Enchantments
Hardened Scales
48%inclusion10 decks21 decks
38%synergy
Doubling Season
43%inclusion9 decks21 decks
26%synergy
Parallel Lives
33%inclusion7 decks21 decks
20%synergy
Primal Vigor
33%inclusion7 decks21 decks
28%synergy
Loading Zone
29%inclusion5 decks17 decks
28%synergy
Ooze Flux
29%inclusion6 decks21 decks
28%synergy
Innkeeper's Talent
29%inclusion6 decks21 decks
24%synergy
Garruk's Uprising
19%inclusion4 decks21 decks
12%synergy
Sphere Grid
18%inclusion3 decks17 decks
15%synergy
Hollowmurk Siege
17%inclusion3 decks18 decks
12%synergy
Gutter Grime
14%inclusion3 decks21 decks
14%synergy
Sylvan Anthem
14%inclusion3 decks21 decks
12%synergy
Elemental Bond
14%inclusion3 decks21 decks
14%synergy
Phyrexian Arena
14%inclusion3 decks21 decks
1%synergy
Stocking the Pantry
10%inclusion2 decks21 decks
8%synergy
Exploration
10%inclusion2 decks21 decks
6%synergy
Court of Garenbrig
10%inclusion2 decks21 decks
8%synergy
Moldervine Reclamation
10%inclusion2 decks21 decks
-14%synergy
Sylvan Library
10%inclusion2 decks21 decks
0%synergy
Abundance
10%inclusion2 decks21 decks
9%synergy
Nantuko Shrine
10%inclusion2 decks21 decks
9%synergy
Prismatic Undercurrents
7.1%inclusion1 decks14 decks
7%synergy
Level Up
7.1%inclusion1 decks14 decks
6%synergy
High Score
7.1%inclusion1 decks14 decks
6%synergy
The Legend of Kyoshi
6.7%inclusion1 decks15 decks
6%synergy
Battles
Invasion of Muraganda
10%inclusion2 decks21 decks
9%synergy
Utility Lands
Oran-Rief, the Vastwood
52%inclusion11 decks21 decks
42%synergy
Karn's Bastion
43%inclusion9 decks21 decks
37%synergy
Bojuka Bog
24%inclusion5 decks21 decks
-18%synergy
Reliquary Tower
24%inclusion5 decks21 decks
1%synergy
Yavimaya, Cradle of Growth
19%inclusion4 decks21 decks
-8%synergy
Boseiju, Who Endures
19%inclusion4 decks21 decks
1%synergy
Three Tree City
14%inclusion3 decks21 decks
3%synergy
Urborg, Tomb of Yawgmoth
14%inclusion3 decks21 decks
-8%synergy
Susur Secundi, Void Altar
12%inclusion2 decks17 decks
8%synergy
War Room
10%inclusion2 decks21 decks
8%synergy
Mosswort Bridge
10%inclusion2 decks21 decks
4%synergy
Nykthos, Shrine to Nyx
10%inclusion2 decks21 decks
7%synergy
Rogue's Passage
10%inclusion2 decks21 decks
-13%synergy
Evendo, Waking Haven
5.9%inclusion1 decks17 decks
-1%synergy
Mana Artifacts
Sol Ring
76%inclusion16 decks21 decks
-3%synergy
Arcane Signet
67%inclusion14 decks21 decks
5%synergy
Talisman of Resilience
24%inclusion5 decks21 decks
-0%synergy
Patchwork Banner
24%inclusion5 decks21 decks
17%synergy
Golgari Signet
19%inclusion4 decks21 decks
-5%synergy
Commander's Sphere
14%inclusion3 decks21 decks
8%synergy
Thought Vessel
10%inclusion2 decks21 decks
4%synergy
Herd Heirloom
5.6%inclusion1 decks18 decks
3%synergy
Lands
Forest
100%inclusion21 decks21 decks
2%synergy
Swamp
90%inclusion19 decks21 decks
-7%synergy
Command Tower
86%inclusion18 decks21 decks
0%synergy
Woodland Cemetery
57%inclusion12 decks21 decks
-7%synergy
Undergrowth Stadium
33%inclusion7 decks21 decks
-6%synergy
Overgrown Tomb
33%inclusion7 decks21 decks
-15%synergy
Wastewood Verge
30%inclusion6 decks20 decks
10%synergy
Golgari Rot Farm
29%inclusion6 decks21 decks
-10%synergy
Myriad Landscape
29%inclusion6 decks21 decks
15%synergy
Llanowar Wastes
29%inclusion6 decks21 decks
-25%synergy
Underground Mortuary
29%inclusion6 decks21 decks
8%synergy
Darkbore Pathway
29%inclusion6 decks21 decks
10%synergy
Deathcap Glade
29%inclusion6 decks21 decks
-5%synergy
Exotic Orchard
24%inclusion5 decks21 decks
-5%synergy
Verdant Catacombs
24%inclusion5 decks21 decks
-5%synergy
Necroblossom Snarl
24%inclusion5 decks21 decks
-14%synergy
Temple of Malady
24%inclusion5 decks21 decks
-10%synergy
Vernal Fen
24%inclusion4 decks17 decks
-0%synergy
Fabled Passage
19%inclusion4 decks21 decks
3%synergy
Disciple of Freyalise
19%inclusion4 decks21 decks
10%synergy
Evolving Wilds
19%inclusion4 decks21 decks
-6%synergy
Tainted Wood
19%inclusion4 decks21 decks
-25%synergy
Terramorphic Expanse
14%inclusion3 decks21 decks
-6%synergy
Jungle Hollow
14%inclusion3 decks21 decks
-9%synergy
Revitalizing Repast
14%inclusion3 decks21 decks
-6%synergy
Nurturing Peatland
14%inclusion3 decks21 decks
2%synergy
Path of Ancestry
14%inclusion3 decks21 decks
-10%synergy
Bala Ged Recovery
14%inclusion3 decks21 decks
4%synergy
Twilight Mire
14%inclusion3 decks21 decks
-26%synergy
Blighted Woodland
10%inclusion2 decks21 decks
5%synergy
Blooming Marsh
10%inclusion2 decks21 decks
-5%synergy
Bridgeworks Battle
10%inclusion2 decks21 decks
5%synergy
Haunted Mire
10%inclusion2 decks21 decks
-6%synergy
Bayou
10%inclusion2 decks21 decks
-2%synergy
Woodland Chasm
10%inclusion2 decks21 decks
4%synergy
Turbulent Fen
8.3%inclusion1 decks12 decks
-9%synergy
Hidden Hideout
7.1%inclusion1 decks14 decks
6%synergy
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