Umori, the Collector (Commander) - Upgraded Rat Colony

Michael Celani
Which Slime Against Humanity Commander is Best? A Complete Guide to Slime Against Humanity in Commander
You've got your slimy hands on every copy you could find, but which is the best commander for a Slime Against Humanity Commander deck?
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Rat Colony
100% of 13 decks +100% synergy
Piper of the Swarm
92% of 13 decks +92% synergy
Bloodbond March
85% of 13 decks +84% synergy
Thrumming Stone
85% of 13 decks +84% synergy
Pack Rat
69% of 13 decks +69% synergy
Marrow-Gnawer
69% of 13 decks +69% synergy
Karumonix, the Rat King
62% of 13 decks +61% synergy
Echoing Return
62% of 13 decks +61% synergy
Swarmyard
69% of 13 decks +56% synergy
Elemental Bond
54% of 13 decks +53% synergy
Top Cards
Skullclamp
77% of 13 decks +45% synergy
Assassin's Trophy
62% of 13 decks +17% synergy
Bontu's Monument
54% of 13 decks +52% synergy
Dark Ritual
54% of 13 decks +38% synergy
Heroic Intervention
54% of 13 decks +24% synergy
Mirror Box
46% of 13 decks +46% synergy
Secret Salvage
46% of 13 decks +46% synergy
Jet Medallion
46% of 13 decks +45% synergy
Beast Whisperer
46% of 13 decks +32% synergy
Ashcoat of the Shadow Swarm
38% of 13 decks +38% synergy
Game Changers
Bolas's Citadel
62% of 13 decks +55% synergy
Demonic Tutor
62% of 13 decks +45% synergy
Vampiric Tutor
38% of 13 decks +26% synergy
Creatures
Ogre Slumlord
38% of 13 decks +36% synergy
Realmwalker
38% of 13 decks +30% synergy
Crashing Drawbridge
23% of 13 decks +22% synergy
Chittering Witch
23% of 13 decks +21% synergy
Ayara, First of Locthwain
23% of 13 decks +18% synergy
Gray Merchant of Asphodel
23% of 13 decks +16% synergy
Toski, Bearer of Secrets
23% of 13 decks +10% synergy
Elves of Deep Shadow
23% of 13 decks +3% synergy
Birds of Paradise
23% of 13 decks +3% synergy
Instants
Return of the Wildspeaker
38% of 13 decks +26% synergy
Village Rites
38% of 13 decks +21% synergy
Golgari Charm
38% of 13 decks +21% synergy
Beast Within
38% of 13 decks -1% synergy
Tainted Strike
23% of 13 decks +20% synergy
Noxious Revival
23% of 13 decks +18% synergy
Infernal Grasp
23% of 13 decks +16% synergy
Sorceries
Patriarch's Bidding
38% of 13 decks +35% synergy
Triumph of the Hordes
38% of 13 decks +33% synergy
Bubbling Muck
23% of 13 decks +23% synergy
Grim Tutor
23% of 13 decks +20% synergy
Pact of the Serpent
23% of 13 decks +17% synergy
Overwhelming Stampede
23% of 13 decks +17% synergy
Farseek
23% of 13 decks +6% synergy
Toxic Deluge
23% of 13 decks +3% synergy
Rampant Growth
23% of 13 decks -12% synergy
Cultivate
23% of 13 decks -19% synergy
Utility Artifacts
Eldrazi Monument
23% of 13 decks +20% synergy
The Great Henge
23% of 13 decks +17% synergy
Enchantments
Concordant Crossroads
38% of 13 decks +36% synergy
Garruk's Uprising
38% of 13 decks +32% synergy
Sylvan Library
31% of 13 decks +20% synergy
Descendants' Path
23% of 13 decks +23% synergy
Tribute to the World Tree
23% of 13 decks +18% synergy
Greater Good
23% of 13 decks +17% synergy
Beastmaster Ascension
23% of 13 decks +12% synergy
Phyrexian Arena
23% of 13 decks +9% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
69% of 13 decks +45% synergy
Cabal Coffers
54% of 13 decks +44% synergy
Reliquary Tower
46% of 13 decks +24% synergy
Yavimaya, Cradle of Growth
46% of 13 decks +18% synergy
Rogue's Passage
38% of 13 decks +15% synergy
Boseiju, Who Endures
31% of 13 decks +13% synergy
Bojuka Bog
31% of 13 decks -9% synergy
Cabal Stronghold
23% of 13 decks +22% synergy
Nykthos, Shrine to Nyx
23% of 13 decks +20% synergy
Castle Locthwain
23% of 13 decks +19% synergy
Mana Artifacts
Sol Ring
92% of 13 decks +12% synergy
Arcane Signet
69% of 13 decks +7% synergy
Talisman of Resilience
31% of 13 decks +6% synergy
Golgari Signet
31% of 13 decks +2% synergy
Lands
Command Tower
92% of 13 decks +7% synergy
Undergrowth Stadium
69% of 13 decks +29% synergy
Tainted Wood
69% of 13 decks +27% synergy
Woodland Cemetery
69% of 13 decks +11% synergy
Verdant Catacombs
62% of 13 decks +32% synergy
Overgrown Tomb
62% of 13 decks +16% synergy
Cavern of Souls
31% of 13 decks +24% synergy
Bayou
31% of 13 decks +19% synergy
Darkbore Pathway
31% of 13 decks +10% synergy
Deathcap Glade
31% of 13 decks +2% synergy
Polluted Delta
23% of 13 decks +17% synergy
Prismatic Vista
23% of 13 decks +17% synergy
Myriad Landscape
23% of 13 decks +4% synergy
Twilight Mire
23% of 13 decks -8% synergy
Necroblossom Snarl
23% of 13 decks -11% synergy
Llanowar Wastes
23% of 13 decks -29% synergy