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Koma, Cosmos Serpent (Commander) - Core Control
Koma, Cosmos Serpent
11 decks (0.000%)
Rank #283
Aug 6, 2025
Can You Build Simic in Commander Without... Going Simic?
Can you go Simic without doing the Simic stuff that everyone dreads? Yes you can! Arnaud is here with some uncanny Commander deck ideas.
Deck Filters
Elemental Bond
91% of 11 decks
+85% synergy
Whelming Wave
91% of 11 decks
+79% synergy
Adrix and Nev, Twincasters
82% of 11 decks
+73% synergy
Junk Winder
73% of 11 decks
+66% synergy
Koma, World-Eater
67% of 9 decks
+53% synergy
Migration Path
55% of 11 decks
+51% synergy
Spark Double
55% of 11 decks
+45% synergy
Cultivate
91% of 11 decks
+43% synergy
Garruk's Packleader
45% of 11 decks
+43% synergy
Arcane Denial
64% of 11 decks
+41% synergy
Top Cards
Kodama's Reach
73% of 11 decks
+35% synergy
Rampant Growth
73% of 11 decks
+32% synergy
Beast Within
64% of 11 decks
+13% synergy
Aesi, Tyrant of Gyre Strait
55% of 11 decks
+38% synergy
Nature's Lore
55% of 11 decks
+24% synergy
Swiftfoot Boots
55% of 11 decks
+28% synergy
Counterspell
55% of 11 decks
+4% synergy
Return of the Wildspeaker
45% of 11 decks
+35% synergy
Negate
45% of 11 decks
+19% synergy
Growth Spiral
45% of 11 decks
+1% synergy
Game Changers
Core (Bracket 2) typically disallows Game Changers. Check with your playgroup before including any.
Crop Rotation
9% of 11 decks
-4% synergy
Creatures
Murkfiend Liege
45% of 11 decks
+30% synergy
Sakashima of a Thousand Faces
45% of 11 decks
+40% synergy
Arixmethes, Slumbering Isle
45% of 11 decks
+32% synergy
Octomancer
44% of 9 decks
+40% synergy
Tatyova, Benthic Druid
36% of 11 decks
+5% synergy
Elvish Mystic
36% of 11 decks
+12% synergy
Llanowar Elves
36% of 11 decks
+8% synergy
Serpent of Yawning Depths
36% of 11 decks
+30% synergy
Hullbreaker Horror
36% of 11 decks
+19% synergy
Fyndhorn Elves
36% of 11 decks
+20% synergy
Spawning Kraken
36% of 11 decks
+29% synergy
Enduring Vitality
33% of 9 decks
+26% synergy
Gyre Engineer
27% of 11 decks
+24% synergy
Saryth, the Viper's Fang
27% of 11 decks
+25% synergy
Scourge of Fleets
27% of 11 decks
+19% synergy
Nadir Kraken
27% of 11 decks
+23% synergy
Sakashima the Impostor
27% of 11 decks
+25% synergy
Tireless Provisioner
27% of 11 decks
+12% synergy
Ohran Frostfang
27% of 11 decks
+24% synergy
Birds of Paradise
27% of 11 decks
-0% synergy
Sakura-Tribe Elder
27% of 11 decks
+8% synergy
Disciple of Freyalise
22% of 9 decks
+18% synergy
Enduring Curiosity
22% of 9 decks
+19% synergy
Hammerhead Tyrant
20% of 5 decks
+19% synergy
Transcendent Dragon
20% of 5 decks
+19% synergy
Summon: Leviathan
20% of 5 decks
+13% synergy
Curiosity Crafter
18% of 11 decks
+14% synergy
Xolatoyac, the Smiling Flood
18% of 11 decks
+11% synergy
Eternal Witness
18% of 11 decks
-4% synergy
End-Raze Forerunners
18% of 11 decks
+13% synergy
Slinn Voda, the Rising Deep
18% of 11 decks
+11% synergy
Willbreaker
18% of 11 decks
+18% synergy
Tolarian Kraken
18% of 11 decks
+17% synergy
Lotus Cobra
18% of 11 decks
+4% synergy
Tromokratis
18% of 11 decks
+13% synergy
Archetype of Imagination
18% of 11 decks
+14% synergy
Toski, Bearer of Secrets
18% of 11 decks
+15% synergy
Scute Swarm
18% of 11 decks
-3% synergy
Nezahal, Primal Tide
18% of 11 decks
+7% synergy
Champion of Lambholt
18% of 11 decks
+13% synergy
Gala Greeters
18% of 11 decks
+16% synergy
Tidal Barracuda
18% of 11 decks
+17% synergy
Uro, Titan of Nature's Wrath
18% of 11 decks
+9% synergy
Eluge, the Shoreless Sea
11% of 9 decks
+9% synergy
Hydroelectric Specimen
11% of 9 decks
+5% synergy
Kona, Rescue Beastie
11% of 9 decks
+10% synergy
Abhorrent Oculus
11% of 9 decks
+8% synergy
Benthic Anomaly
11% of 9 decks
+9% synergy
Six
11% of 9 decks
+8% synergy
Loot, Exuberant Explorer
11% of 9 decks
+3% synergy
Instants
An Offer You Can't Refuse
36% of 11 decks
+14% synergy
Return to Nature
36% of 11 decks
+30% synergy
Voidslime
36% of 11 decks
+31% synergy
Pongify
27% of 11 decks
+3% synergy
Rapid Hybridization
27% of 11 decks
+1% synergy
Heroic Intervention
27% of 11 decks
-3% synergy
Brainstorm
27% of 11 decks
+13% synergy
Krosan Grip
27% of 11 decks
+19% synergy
Nature's Claim
27% of 11 decks
+17% synergy
Reality Shift
27% of 11 decks
+13% synergy
Swan Song
27% of 11 decks
+8% synergy
Simic Charm
27% of 11 decks
+19% synergy
Brainsurge
22% of 9 decks
+20% synergy
Sink into Stupor
22% of 9 decks
+11% synergy
Mizzium Skin
18% of 11 decks
+18% synergy
Eureka Moment
18% of 11 decks
+7% synergy
Plasm Capture
18% of 11 decks
+14% synergy
Mystic Reflection
18% of 11 decks
+15% synergy
Sublime Epiphany
18% of 11 decks
+16% synergy
Blossoming Defense
18% of 11 decks
+17% synergy
Second Harvest
18% of 11 decks
+12% synergy
Harrow
18% of 11 decks
+6% synergy
Resculpt
18% of 11 decks
+12% synergy
Disallow
18% of 11 decks
+16% synergy
Saw It Coming
18% of 11 decks
+17% synergy
Delay
18% of 11 decks
+16% synergy
Joint Exploration
18% of 11 decks
+12% synergy
Misdirection
18% of 11 decks
+16% synergy
Double Major
18% of 11 decks
+9% synergy
Consign to Memory
11% of 9 decks
+11% synergy
Flare of Denial
11% of 9 decks
+8% synergy
Strix Serenade
11% of 9 decks
+7% synergy
Planar Genesis
11% of 9 decks
+0% synergy
Collective Resistance
11% of 9 decks
+8% synergy
Long River's Pull
11% of 9 decks
+7% synergy
Repulsive Mutation
10% of 10 decks
+5% synergy
Disdainful Stroke
9% of 11 decks
+7% synergy
Frantic Search
9% of 11 decks
+4% synergy
Whiplash Trap
9% of 11 decks
+9% synergy
Snakeskin Veil
9% of 11 decks
+4% synergy
Fog
9% of 11 decks
+6% synergy
Decisive Denial
9% of 11 decks
+4% synergy
Biomass Mutation
9% of 11 decks
+6% synergy
Dive Down
9% of 11 decks
+9% synergy
Incubation // Incongruity
9% of 11 decks
+7% synergy
Khalni Ambush
9% of 11 decks
+7% synergy
Intervene
9% of 11 decks
+9% synergy
Turn Aside
9% of 11 decks
+9% synergy
Fact or Fiction
9% of 11 decks
+6% synergy
Dissipate
9% of 11 decks
+9% synergy
Sorceries
Farseek
45% of 11 decks
+22% synergy
Overwhelming Stampede
45% of 11 decks
+33% synergy
Three Visits
36% of 11 decks
+13% synergy
Explosive Vegetation
36% of 11 decks
+31% synergy
Irenicus's Vile Duplication
36% of 11 decks
+30% synergy
Urban Evolution
36% of 11 decks
+26% synergy
Shamanic Revelation
36% of 11 decks
+31% synergy
Finale of Devastation
27% of 11 decks
+16% synergy
Explore
27% of 11 decks
+7% synergy
Bridgeworks Battle
22% of 9 decks
+18% synergy
Skyshroud Claim
18% of 11 decks
+9% synergy
Broken Bond
18% of 11 decks
+13% synergy
Bala Ged Recovery
18% of 11 decks
+8% synergy
Open the Way
18% of 11 decks
+16% synergy
Aggressive Biomancy
11% of 9 decks
+6% synergy
For the Common Good
11% of 9 decks
+9% synergy
Doppelgang
10% of 10 decks
+3% synergy
Traverse the Outlands
9% of 11 decks
+5% synergy
Green Sun's Zenith
9% of 11 decks
+0% synergy
Croaking Counterpart
9% of 11 decks
+4% synergy
Quantum Misalignment
9% of 11 decks
+6% synergy
Overrun
9% of 11 decks
+7% synergy
Ranger's Path
9% of 11 decks
+8% synergy
Oversimplify
9% of 11 decks
+5% synergy
Silver Scrutiny
9% of 11 decks
+9% synergy
Into the North
9% of 11 decks
+8% synergy
Circuitous Route
9% of 11 decks
+7% synergy
Last March of the Ents
9% of 11 decks
+5% synergy
Flood of Tears
9% of 11 decks
+7% synergy
Triumph of the Hordes
9% of 11 decks
+6% synergy
Neoform
9% of 11 decks
+5% synergy
Sea Gate Restoration
9% of 11 decks
+3% synergy
Tempt with Discovery
9% of 11 decks
+5% synergy
Fade from History
9% of 11 decks
+9% synergy
Curse of the Swine
9% of 11 decks
-2% synergy
Grow from the Ashes
9% of 11 decks
+7% synergy
Quasiduplicate
9% of 11 decks
+6% synergy
Harmonize
9% of 11 decks
+3% synergy
Path of the Animist
9% of 11 decks
+9% synergy
Vastwood Surge
9% of 11 decks
+8% synergy
Rishkar's Expertise
9% of 11 decks
+1% synergy
Search for Tomorrow
9% of 11 decks
+4% synergy
Repudiate // Replicate
9% of 11 decks
+7% synergy
Distant Melody
9% of 11 decks
+6% synergy
Recurring Insight
9% of 11 decks
+9% synergy
Ezuri's Predation
9% of 11 decks
+1% synergy
Ravenform
9% of 11 decks
+4% synergy
Regrowth
9% of 11 decks
+5% synergy
Nissa's Pilgrimage
9% of 11 decks
+7% synergy
Hunting Wilds
9% of 11 decks
+9% synergy
Utility Artifacts
Lightning Greaves
36% of 11 decks
+14% synergy
Helm of the Host
27% of 11 decks
+22% synergy
Idol of Oblivion
27% of 11 decks
+24% synergy
Whispersilk Cloak
18% of 11 decks
+16% synergy
Combine Chrysalis
18% of 11 decks
+14% synergy
Crucible of Worlds
9% of 11 decks
+4% synergy
Mirror Box
9% of 11 decks
+6% synergy
The Great Henge
9% of 11 decks
+0% synergy
Kefnet's Monument
9% of 11 decks
+8% synergy
Rings of Brighthearth
9% of 11 decks
+8% synergy
Eldrazi Monument
9% of 11 decks
+9% synergy
Strionic Resonator
9% of 11 decks
+7% synergy
Emerald Medallion
9% of 11 decks
+6% synergy
Quicksilver Amulet
9% of 11 decks
+9% synergy
Enchantments
Parallel Lives
45% of 11 decks
+39% synergy
Tribute to the World Tree
36% of 11 decks
+29% synergy
Kindred Discovery
27% of 11 decks
+17% synergy
Doubling Season
27% of 11 decks
+18% synergy
Beastmaster Ascension
27% of 11 decks
+24% synergy
Verity Circle
27% of 11 decks
+27% synergy
Kenrith's Transformation
27% of 11 decks
+22% synergy
Primal Vigor
27% of 11 decks
+24% synergy
Shadow of the Second Sun
22% of 9 decks
+22% synergy
Imprisoned in the Moon
18% of 11 decks
+14% synergy
Wilderness Reclamation
18% of 11 decks
+9% synergy
Propaganda
18% of 11 decks
+12% synergy
Walk-In Closet // Forgotten Cellar
11% of 9 decks
+8% synergy
Amphibian Downpour
11% of 9 decks
+6% synergy
Mirror Room // Fractured Realm
11% of 9 decks
+10% synergy
Proft's Eidetic Memory
10% of 10 decks
+8% synergy
Utopia Sprawl
9% of 11 decks
+2% synergy
Cryptolith Rite
9% of 11 decks
+6% synergy
Exploration
9% of 11 decks
-5% synergy
Teferi's Ageless Insight
9% of 11 decks
+5% synergy
Cowardice
9% of 11 decks
+9% synergy
Garruk's Uprising
9% of 11 decks
-6% synergy
Frozen Aether
9% of 11 decks
+9% synergy
Wizard Class
9% of 11 decks
+4% synergy
Extravagant Replication
9% of 11 decks
+7% synergy
Season of Growth
9% of 11 decks
+5% synergy
Quest for Ula's Temple
9% of 11 decks
+6% synergy
Steely Resolve
9% of 11 decks
+9% synergy
Path of Discovery
9% of 11 decks
+7% synergy
The Mirari Conjecture
9% of 11 decks
+9% synergy
Ominous Seas
9% of 11 decks
+5% synergy
Rites of Flourishing
9% of 11 decks
+7% synergy
Song of the Dryads
9% of 11 decks
+7% synergy
Burgeoning
9% of 11 decks
+2% synergy
Mystic Remora
9% of 11 decks
-7% synergy
Shark Typhoon
9% of 11 decks
+8% synergy
Sylvan Library
9% of 11 decks
-0% synergy
Betrayal
9% of 11 decks
+9% synergy
Eaten by Piranhas
9% of 11 decks
+7% synergy
Death's Presence
9% of 11 decks
+9% synergy
As Foretold
9% of 11 decks
+8% synergy
Court of Bounty
9% of 11 decks
+8% synergy
Bounty of the Luxa
9% of 11 decks
+8% synergy
Growing Rites of Itlimoc
9% of 11 decks
+3% synergy
Diplomatic Immunity
9% of 11 decks
+9% synergy
Mystic Subdual
9% of 11 decks
+9% synergy
Planeswalkers
Oko, Thief of Crowns
27% of 11 decks
+20% synergy
Oko, the Ringleader
10% of 10 decks
+9% synergy
Kiora, Behemoth Beckoner
9% of 11 decks
+3% synergy
Garruk, Primal Hunter
9% of 11 decks
+7% synergy
Kiora, the Crashing Wave
9% of 11 decks
+6% synergy
Utility Lands
Reliquary Tower
27% of 11 decks
-23% synergy
Castle Vantress
27% of 11 decks
+20% synergy
Otawara, Soaring City
27% of 11 decks
+8% synergy
Three Tree City
22% of 9 decks
+17% synergy
Mystic Sanctuary
18% of 11 decks
+5% synergy
Boseiju, Who Endures
18% of 11 decks
-4% synergy
Lumbering Falls
18% of 11 decks
+11% synergy
Hall of Storm Giants
9% of 11 decks
+7% synergy
Restless Vinestalk
9% of 11 decks
+3% synergy
Arcane Lighthouse
9% of 11 decks
+8% synergy
Lonely Sandbar
9% of 11 decks
+5% synergy
Fertile Thicket
9% of 11 decks
+9% synergy
Command Beacon
9% of 11 decks
+5% synergy
Yavimaya, Cradle of Growth
9% of 11 decks
-13% synergy
Thran Portal
9% of 11 decks
+9% synergy
Temple of the False God
9% of 11 decks
-7% synergy
Dryad Arbor
9% of 11 decks
+3% synergy
Rogue's Passage
9% of 11 decks
-13% synergy
Jungle Basin
9% of 11 decks
+7% synergy
Mana Artifacts
Sol Ring
82% of 11 decks
+1% synergy
Arcane Signet
64% of 11 decks
+1% synergy
Talisman of Curiosity
45% of 11 decks
+24% synergy
Simic Signet
36% of 11 decks
+4% synergy
Thought Vessel
27% of 11 decks
+7% synergy
Commander's Sphere
18% of 11 decks
+9% synergy
Moss Diamond
9% of 11 decks
+8% synergy
Sky Diamond
9% of 11 decks
+8% synergy
Strixhaven Stadium
9% of 11 decks
+9% synergy
Decanter of Endless Water
9% of 11 decks
+4% synergy
Fellwar Stone
9% of 11 decks
-0% synergy
Thran Dynamo
9% of 11 decks
+7% synergy
Mind Stone
9% of 11 decks
+5% synergy
Lands
Command Tower
91% of 11 decks
+5% synergy
Island
82% of 11 decks
-13% synergy
Forest
82% of 11 decks
-13% synergy
Simic Growth Chamber
55% of 11 decks
+6% synergy
Temple of Mystery
55% of 11 decks
+16% synergy
Rimewood Falls
55% of 11 decks
+45% synergy
Rejuvenating Springs
55% of 11 decks
+10% synergy
Breeding Pool
45% of 11 decks
+1% synergy
Yavimaya Coast
45% of 11 decks
-7% synergy
Dreamroot Cascade
45% of 11 decks
+5% synergy
Hinterland Harbor
45% of 11 decks
-13% synergy
Willowrush Verge
40% of 5 decks
+26% synergy
Vineglimmer Snarl
36% of 11 decks
-2% synergy
Tangled Islet
36% of 11 decks
+20% synergy
Botanical Sanctum
36% of 11 decks
+24% synergy
Flooded Grove
36% of 11 decks
-3% synergy
Simic Guildgate
36% of 11 decks
+26% synergy
Overflowing Basin
30% of 10 decks
+11% synergy
Myriad Landscape
27% of 11 decks
+5% synergy
Exotic Orchard
27% of 11 decks
+3% synergy
Barkchannel Pathway
27% of 11 decks
+6% synergy
Waterlogged Grove
27% of 11 decks
+7% synergy
Disciple of Freyalise
22% of 9 decks
+18% synergy
Bridgeworks Battle
22% of 9 decks
+18% synergy
Sink into Stupor
22% of 9 decks
+11% synergy
Hedge Maze
20% of 10 decks
+1% synergy
Blighted Woodland
18% of 11 decks
+10% synergy
Fabled Passage
18% of 11 decks
+4% synergy
Terramorphic Expanse
18% of 11 decks
-2% synergy
Snow-Covered Island
18% of 11 decks
+11% synergy
Snow-Covered Forest
18% of 11 decks
+11% synergy
Evolving Wilds
18% of 11 decks
-7% synergy
Path of Ancestry
18% of 11 decks
+1% synergy
Bala Ged Recovery
18% of 11 decks
+8% synergy
Woodland Stream
18% of 11 decks
+13% synergy
Thornwood Falls
18% of 11 decks
+0% synergy
Hydroelectric Specimen
11% of 9 decks
+5% synergy
Lush Oasis
10% of 10 decks
+4% synergy
Prismatic Vista
9% of 11 decks
+1% synergy
Misty Rainforest
9% of 11 decks
-22% synergy
Windswept Heath
9% of 11 decks
-1% synergy
Tanglepool Bridge
9% of 11 decks
+5% synergy
Shimmerdrift Vale
9% of 11 decks
+9% synergy
Khalni Ambush
9% of 11 decks
+7% synergy
Littjara Mirrorlake
9% of 11 decks
+5% synergy
Sea Gate Restoration
9% of 11 decks
+3% synergy
Ash Barrens
9% of 11 decks
+5% synergy
Wooded Foothills
9% of 11 decks
-0% synergy
Verdant Catacombs
9% of 11 decks
-1% synergy
Reflecting Pool
9% of 11 decks
+6% synergy