Koma, Cosmos Serpent (Commander) - Control

Koma, Cosmos Serpent
Rank #289
157decks
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Background image for Can You Build Simic in Commander Without... Going Simic?
Arnaud Gompertz
Aug 6, 2025
Arnaud Gompertz
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.
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Enchantments
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Utility Lands
Mana Artifacts
Lands
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Chameleon, Master of Disguise
17%inclusion5 decks29 decks
15%synergy
Impostor Syndrome
13%inclusion4 decks32 decks
10%synergy
Spider-Sense
3.4%inclusion1 decks29 decks
2%synergy
High Synergy Cards
Elemental Bond
78%inclusion123 decks157 decks
73%synergy
Adrix and Nev, Twincasters
79%inclusion124 decks157 decks
70%synergy
Whelming Wave
77%inclusion121 decks157 decks
66%synergy
Spark Double
74%inclusion116 decks157 decks
64%synergy
Sakashima of a Thousand Faces
62%inclusion98 decks157 decks
57%synergy
Parallel Lives
62%inclusion98 decks157 decks
56%synergy
Junk Winder
53%inclusion83 decks157 decks
46%synergy
Serpent of Yawning Depths
52%inclusion82 decks157 decks
46%synergy
Irenicus's Vile Duplication
50%inclusion79 decks157 decks
44%synergy
Three Visits
66%inclusion103 decks157 decks
43%synergy
Top Cards
Cultivate
78%inclusion123 decks157 decks
31%synergy
Counterspell
74%inclusion116 decks157 decks
24%synergy
Nature's Lore
68%inclusion106 decks157 decks
37%synergy
Kodama's Reach
66%inclusion103 decks157 decks
29%synergy
Beast Within
64%inclusion100 decks157 decks
13%synergy
Rampant Growth
62%inclusion97 decks157 decks
21%synergy
Heroic Intervention
61%inclusion96 decks157 decks
31%synergy
Koma, World-Eater
55%inclusion63 decks115 decks
41%synergy
Mana Drain
55%inclusion86 decks157 decks
39%synergy
Birds of Paradise
55%inclusion86 decks157 decks
27%synergy
Game Changers
Cyclonic Rift
64%inclusion100 decks157 decks
37%synergy
Rhystic Study
57%inclusion89 decks157 decks
34%synergy
Fierce Guardianship
53%inclusion83 decks157 decks
35%synergy
Seedborn Muse
34%inclusion53 decks157 decks
18%synergy
Consecrated Sphinx
33%inclusion52 decks157 decks
24%synergy
Force of Will
29%inclusion45 decks157 decks
18%synergy
Mystical Tutor
27%inclusion42 decks157 decks
17%synergy
Worldly Tutor
27%inclusion42 decks157 decks
11%synergy
Ancient Tomb
25%inclusion40 decks157 decks
16%synergy
Mana Vault
17%inclusion26 decks157 decks
10%synergy
Creatures
Aesi, Tyrant of Gyre Strait
49%inclusion77 decks157 decks
32%synergy
Spawning Kraken
44%inclusion69 decks157 decks
36%synergy
Sakashima the Impostor
43%inclusion68 decks157 decks
41%synergy
Sakura-Tribe Elder
39%inclusion62 decks157 decks
20%synergy
Elvish Mystic
38%inclusion60 decks157 decks
14%synergy
Llanowar Elves
38%inclusion60 decks157 decks
10%synergy
Craterhoof Behemoth
35%inclusion55 decks157 decks
26%synergy
Hullbreaker Horror
34%inclusion54 decks157 decks
17%synergy
Tatyova, Benthic Druid
33%inclusion52 decks157 decks
2%synergy
Fyndhorn Elves
33%inclusion52 decks157 decks
17%synergy
Arixmethes, Slumbering Isle
32%inclusion51 decks157 decks
19%synergy
Eternal Witness
31%inclusion49 decks157 decks
10%synergy
Roaming Throne
31%inclusion49 decks157 decks
23%synergy
Garruk's Packleader
28%inclusion44 decks157 decks
26%synergy
Delighted Halfling
23%inclusion36 decks157 decks
12%synergy
Murkfiend Liege
22%inclusion34 decks157 decks
7%synergy
Summon: Leviathan
21%inclusion15 decks70 decks
14%synergy
Enduring Vitality
21%inclusion26 decks124 decks
14%synergy
Uro, Titan of Nature's Wrath
20%inclusion32 decks157 decks
11%synergy
Starwinder
20%inclusion10 decks50 decks
13%synergy
Ohran Frostfang
20%inclusion31 decks157 decks
16%synergy
Octomancer
20%inclusion25 decks127 decks
15%synergy
Archetype of Imagination
18%inclusion29 decks157 decks
14%synergy
Fanatic of Rhonas
15%inclusion19 decks128 decks
9%synergy
Toski, Bearer of Secrets
15%inclusion23 decks157 decks
11%synergy
Enduring Curiosity
15%inclusion18 decks124 decks
11%synergy
Slinn Voda, the Rising Deep
14%inclusion22 decks157 decks
7%synergy
Saryth, the Viper's Fang
13%inclusion20 decks157 decks
11%synergy
Tireless Provisioner
12%inclusion19 decks157 decks
-3%synergy
Lotus Cobra
11%inclusion18 decks157 decks
-2%synergy
Esix, Fractal Bloom
11%inclusion18 decks157 decks
7%synergy
Coiling Oracle
11%inclusion17 decks157 decks
-3%synergy
Glasspool Mimic
11%inclusion17 decks157 decks
6%synergy
Curiosity Crafter
10%inclusion16 decks157 decks
7%synergy
Scute Swarm
10%inclusion16 decks157 decks
-11%synergy
Avenger of Zendikar
10%inclusion16 decks157 decks
-8%synergy
Nezahal, Primal Tide
10%inclusion16 decks157 decks
-1%synergy
Scourge of Fleets
10%inclusion16 decks157 decks
2%synergy
Gala Greeters
10%inclusion16 decks157 decks
8%synergy
Hydroelectric Specimen
9.4%inclusion12 decks128 decks
3%synergy
Stormtide Leviathan
8.9%inclusion14 decks157 decks
3%synergy
Azusa, Lost but Seeking
8.9%inclusion14 decks157 decks
-5%synergy
Troyan, Gutsy Explorer
8.3%inclusion13 decks157 decks
5%synergy
Kinnan, Bonder Prodigy
8.3%inclusion13 decks157 decks
5%synergy
Guardian Augmenter
8.3%inclusion13 decks157 decks
7%synergy
Disciple of Freyalise
7.8%inclusion10 decks128 decks
3%synergy
Arbor Elf
7.6%inclusion12 decks157 decks
1%synergy
Solemn Simulacrum
7.0%inclusion11 decks157 decks
1%synergy
Sphinx of the Second Sun
7.0%inclusion11 decks157 decks
6%synergy
Somberwald Sage
7.0%inclusion11 decks157 decks
6%synergy
Instants
An Offer You Can't Refuse
52%inclusion81 decks157 decks
29%synergy
Growth Spiral
46%inclusion72 decks157 decks
1%synergy
Arcane Denial
46%inclusion72 decks157 decks
23%synergy
Swan Song
45%inclusion71 decks157 decks
26%synergy
Pongify
43%inclusion67 decks157 decks
18%synergy
Rapid Hybridization
40%inclusion63 decks157 decks
14%synergy
Negate
38%inclusion59 decks157 decks
11%synergy
Double Major
33%inclusion52 decks157 decks
25%synergy
Return of the Wildspeaker
29%inclusion46 decks157 decks
19%synergy
Second Harvest
28%inclusion44 decks157 decks
22%synergy
Force of Negation
28%inclusion44 decks157 decks
19%synergy
Nature's Claim
24%inclusion38 decks157 decks
14%synergy
Reality Shift
24%inclusion38 decks157 decks
10%synergy
Pact of Negation
23%inclusion36 decks157 decks
16%synergy
Planar Genesis
23%inclusion29 decks128 decks
12%synergy
Sink into Stupor
22%inclusion28 decks128 decks
11%synergy
Krosan Grip
20%inclusion32 decks157 decks
12%synergy
Brainstorm
19%inclusion30 decks157 decks
5%synergy
Chord of Calling
18%inclusion29 decks157 decks
11%synergy
Tamiyo's Safekeeping
17%inclusion26 decks157 decks
11%synergy
Harrow
16%inclusion25 decks157 decks
4%synergy
Simic Charm
15%inclusion24 decks157 decks
7%synergy
Resculpt
15%inclusion24 decks157 decks
9%synergy
Archdruid's Charm
14%inclusion21 decks147 decks
8%synergy
Force of Vigor
14%inclusion22 decks157 decks
9%synergy
Voidslime
14%inclusion22 decks157 decks
9%synergy
Tyvar's Stand
13%inclusion20 decks157 decks
10%synergy
Plasm Capture
12%inclusion19 decks157 decks
9%synergy
Return to Nature
12%inclusion19 decks157 decks
6%synergy
Stubborn Denial
12%inclusion19 decks157 decks
10%synergy
Disallow
12%inclusion19 decks157 decks
10%synergy
Noxious Revival
12%inclusion19 decks157 decks
6%synergy
Mystic Reflection
11%inclusion18 decks157 decks
9%synergy
Eureka Moment
10%inclusion16 decks157 decks
-1%synergy
Crop Rotation
10%inclusion16 decks157 decks
-3%synergy
Joint Exploration
10%inclusion16 decks157 decks
4%synergy
Collective Resistance
10%inclusion13 decks128 decks
7%synergy
Snakeskin Veil
10%inclusion15 decks157 decks
4%synergy
Entish Restoration
10%inclusion15 decks157 decks
0%synergy
Strix Serenade
9.4%inclusion12 decks128 decks
5%synergy
Aetherize
8.9%inclusion14 decks157 decks
-3%synergy
Narset's Reversal
8.9%inclusion14 decks157 decks
7%synergy
Sublime Epiphany
7.6%inclusion12 decks157 decks
6%synergy
Perplexing Test
7.6%inclusion12 decks157 decks
3%synergy
Three Steps Ahead
7.3%inclusion10 decks137 decks
5%synergy
Frantic Search
7.0%inclusion11 decks157 decks
1%synergy
Wash Away
7.0%inclusion11 decks157 decks
5%synergy
March of Swirling Mist
7.0%inclusion11 decks157 decks
3%synergy
Mizzium Skin
6.4%inclusion10 decks157 decks
6%synergy
Muddle the Mixture
6.4%inclusion10 decks157 decks
2%synergy
Sorceries
Farseek
52%inclusion82 decks157 decks
28%synergy
Skyshroud Claim
42%inclusion66 decks157 decks
33%synergy
Quantum Misalignment
24%inclusion38 decks157 decks
21%synergy
Triumph of the Hordes
22%inclusion35 decks157 decks
19%synergy
Bala Ged Recovery
21%inclusion33 decks157 decks
11%synergy
Sea Gate Restoration
20%inclusion31 decks157 decks
14%synergy
Explore
19%inclusion30 decks157 decks
-1%synergy
Rishkar's Expertise
17%inclusion27 decks157 decks
9%synergy
Finale of Devastation
17%inclusion27 decks157 decks
5%synergy
Overwhelming Stampede
17%inclusion26 decks157 decks
4%synergy
Migration Path
16%inclusion25 decks157 decks
12%synergy
Green Sun's Zenith
15%inclusion24 decks157 decks
6%synergy
Rite of Replication
11%inclusion17 decks157 decks
3%synergy
Windfall
10%inclusion16 decks157 decks
6%synergy
Explosive Vegetation
10%inclusion16 decks157 decks
4%synergy
Distant Melody
10%inclusion15 decks157 decks
6%synergy
Regrowth
10%inclusion15 decks157 decks
6%synergy
Shamanic Revelation
8.9%inclusion14 decks157 decks
3%synergy
Bridgeworks Battle
8.6%inclusion11 decks128 decks
4%synergy
Fabricate
8.3%inclusion13 decks157 decks
2%synergy
Into the North
8.3%inclusion13 decks157 decks
7%synergy
Flare of Cultivation
7.9%inclusion11 decks140 decks
6%synergy
Raise the Palisade
7.6%inclusion12 decks157 decks
1%synergy
Harmonize
7.6%inclusion12 decks157 decks
2%synergy
Open the Way
7.6%inclusion12 decks157 decks
5%synergy
Turntimber Symbiosis
7.0%inclusion11 decks157 decks
5%synergy
Curse of the Swine
7.0%inclusion11 decks157 decks
-4%synergy
Last March of the Ents
6.4%inclusion10 decks157 decks
3%synergy
Ravenform
6.4%inclusion10 decks157 decks
2%synergy
Urban Evolution
6.4%inclusion10 decks157 decks
-3%synergy
Ponder
5.7%inclusion9 decks157 decks
-1%synergy
Search for Tomorrow
5.7%inclusion9 decks157 decks
1%synergy
Polymorph
5.1%inclusion8 decks157 decks
5%synergy
Consuming Tide
5.1%inclusion8 decks157 decks
3%synergy
Expropriate
5.1%inclusion8 decks157 decks
4%synergy
Utility Artifacts
Lightning Greaves
48%inclusion75 decks157 decks
26%synergy
Swiftfoot Boots
34%inclusion54 decks157 decks
8%synergy
Helm of the Host
31%inclusion48 decks157 decks
25%synergy
Combine Chrysalis
16%inclusion25 decks157 decks
12%synergy
The One Ring
15%inclusion24 decks157 decks
8%synergy
Mirror Box
15%inclusion23 decks157 decks
11%synergy
Emerald Medallion
13%inclusion20 decks157 decks
10%synergy
Winter Orb
11%inclusion18 decks157 decks
11%synergy
The Great Henge
11%inclusion17 decks157 decks
2%synergy
Skullclamp
10%inclusion15 decks157 decks
8%synergy
Sapphire Medallion
10%inclusion15 decks157 decks
6%synergy
Static Orb
8.3%inclusion13 decks157 decks
8%synergy
Coat of Arms
8.3%inclusion13 decks157 decks
7%synergy
Idol of Oblivion
8.3%inclusion13 decks157 decks
5%synergy
Eldrazi Monument
7.6%inclusion12 decks157 decks
7%synergy
Proteus Staff
5.1%inclusion8 decks157 decks
5%synergy
Enchantments
Doubling Season
49%inclusion77 decks157 decks
39%synergy
Tribute to the World Tree
48%inclusion75 decks157 decks
41%synergy
Mystic Remora
45%inclusion71 decks157 decks
30%synergy
Kindred Discovery
32%inclusion50 decks157 decks
21%synergy
Sylvan Library
23%inclusion36 decks157 decks
14%synergy
Utopia Sprawl
16%inclusion25 decks157 decks
9%synergy
Beastmaster Ascension
16%inclusion25 decks157 decks
13%synergy
Wild Growth
16%inclusion25 decks157 decks
7%synergy
Primal Vigor
15%inclusion24 decks157 decks
12%synergy
Growing Rites of Itlimoc
14%inclusion22 decks157 decks
8%synergy
Exploration
13%inclusion21 decks157 decks
0%synergy
Verity Circle
13%inclusion21 decks157 decks
13%synergy
Cryptolith Rite
13%inclusion20 decks157 decks
10%synergy
Kenrith's Transformation
13%inclusion20 decks157 decks
8%synergy
Propaganda
13%inclusion20 decks157 decks
6%synergy
Paradox Haze
11%inclusion18 decks157 decks
11%synergy
Imprisoned in the Moon
11%inclusion17 decks157 decks
7%synergy
Wilderness Reclamation
11%inclusion17 decks157 decks
2%synergy
Opposition
10%inclusion16 decks157 decks
10%synergy
Defense of the Heart
10%inclusion15 decks157 decks
7%synergy
Dismiss into Dream
8.9%inclusion14 decks157 decks
9%synergy
Moonlit Meditation
7.8%inclusion4 decks51 decks
6%synergy
Garruk's Uprising
7.6%inclusion12 decks157 decks
-8%synergy
Asceticism
7.6%inclusion12 decks157 decks
4%synergy
Carpet of Flowers
7.0%inclusion11 decks157 decks
4%synergy
Leyline of Anticipation
5.7%inclusion9 decks157 decks
1%synergy
Song of the Dryads
5.1%inclusion8 decks157 decks
3%synergy
Steely Resolve
5.1%inclusion8 decks157 decks
5%synergy
Burgeoning
5.1%inclusion8 decks157 decks
-2%synergy
Planeswalkers
Oko, Thief of Crowns
39%inclusion62 decks157 decks
32%synergy
Narset, Parter of Veils
6.4%inclusion10 decks157 decks
5%synergy
Kiora, the Crashing Wave
5.7%inclusion9 decks157 decks
3%synergy
Utility Lands
Reliquary Tower
59%inclusion93 decks157 decks
9%synergy
Boseiju, Who Endures
46%inclusion72 decks157 decks
24%synergy
Otawara, Soaring City
39%inclusion62 decks157 decks
21%synergy
Command Beacon
36%inclusion57 decks157 decks
32%synergy
Yavimaya, Cradle of Growth
34%inclusion54 decks157 decks
12%synergy
Mystic Sanctuary
24%inclusion38 decks157 decks
12%synergy
Three Tree City
20%inclusion25 decks127 decks
15%synergy
Mistrise Village
19%inclusion16 decks83 decks
9%synergy
Evendo, Waking Haven
17%inclusion9 decks52 decks
12%synergy
Alchemist's Refuge
16%inclusion25 decks157 decks
-2%synergy
Castle Garenbrig
16%inclusion25 decks157 decks
11%synergy
Temple of the False God
14%inclusion22 decks157 decks
-2%synergy
Gaea's Cradle
11%inclusion18 decks157 decks
4%synergy
Mosswort Bridge
11%inclusion18 decks157 decks
-6%synergy
Urza's Saga
10%inclusion16 decks157 decks
5%synergy
Rogue's Passage
8.3%inclusion13 decks157 decks
-14%synergy
Castle Vantress
6.4%inclusion10 decks157 decks
-1%synergy
Minamo, School at Water's Edge
5.1%inclusion8 decks157 decks
-1%synergy
Mana Artifacts
Sol Ring
92%inclusion145 decks157 decks
12%synergy
Arcane Signet
74%inclusion116 decks157 decks
11%synergy
Talisman of Curiosity
40%inclusion63 decks157 decks
19%synergy
Thought Vessel
39%inclusion62 decks157 decks
19%synergy
Simic Signet
37%inclusion58 decks157 decks
5%synergy
Fellwar Stone
11%inclusion18 decks157 decks
2%synergy
Jeweled Lotus
7.6%inclusion12 decks157 decks
5%synergy
Mana Crypt
7.0%inclusion11 decks157 decks
3%synergy
Lotus Petal
6.4%inclusion10 decks157 decks
-1%synergy
Commander's Sphere
5.7%inclusion9 decks157 decks
-3%synergy
Thran Dynamo
5.7%inclusion9 decks157 decks
3%synergy
Chrome Mox
5.7%inclusion9 decks157 decks
-1%synergy
Decanter of Endless Water
5.1%inclusion8 decks157 decks
0%synergy
Lands
Command Tower
92%inclusion145 decks157 decks
7%synergy
Island
87%inclusion137 decks157 decks
-8%synergy
Forest
87%inclusion137 decks157 decks
-8%synergy
Breeding Pool
73%inclusion115 decks157 decks
28%synergy
Hinterland Harbor
71%inclusion111 decks157 decks
12%synergy
Rejuvenating Springs
69%inclusion108 decks157 decks
25%synergy
Yavimaya Coast
62%inclusion98 decks157 decks
10%synergy
Dreamroot Cascade
57%inclusion90 decks157 decks
16%synergy
Misty Rainforest
53%inclusion83 decks157 decks
22%synergy
Flooded Grove
51%inclusion80 decks157 decks
11%synergy
Simic Growth Chamber
45%inclusion70 decks157 decks
-4%synergy
Barkchannel Pathway
43%inclusion68 decks157 decks
23%synergy
Waterlogged Grove
39%inclusion61 decks157 decks
18%synergy
Vineglimmer Snarl
31%inclusion48 decks157 decks
-8%synergy
Hedge Maze
28%inclusion41 decks148 decks
8%synergy
Temple of Mystery
25%inclusion39 decks157 decks
-14%synergy
Fabled Passage
24%inclusion38 decks157 decks
10%synergy
Rimewood Falls
23%inclusion36 decks157 decks
13%synergy
Prismatic Vista
22%inclusion35 decks157 decks
15%synergy
Sink into Stupor
22%inclusion28 decks128 decks
11%synergy
Exotic Orchard
22%inclusion34 decks157 decks
-2%synergy
Bala Ged Recovery
21%inclusion33 decks157 decks
11%synergy
Willowrush Verge
20%inclusion21 decks103 decks
5%synergy
Myriad Landscape
20%inclusion32 decks157 decks
-2%synergy
Tropical Island
20%inclusion32 decks157 decks
6%synergy
Sea Gate Restoration
20%inclusion31 decks157 decks
14%synergy
Tangled Islet
18%inclusion29 decks157 decks
2%synergy
Snow-Covered Island
18%inclusion29 decks157 decks
12%synergy
Snow-Covered Forest
18%inclusion29 decks157 decks
12%synergy
Windswept Heath
15%inclusion23 decks157 decks
4%synergy
Verdant Catacombs
15%inclusion23 decks157 decks
5%synergy
Overflowing Basin
14%inclusion20 decks141 decks
-5%synergy
Botanical Sanctum
14%inclusion22 decks157 decks
2%synergy
Scalding Tarn
13%inclusion20 decks157 decks
3%synergy
Flooded Strand
13%inclusion20 decks157 decks
2%synergy
Polluted Delta
13%inclusion20 decks157 decks
2%synergy
Wooded Foothills
11%inclusion18 decks157 decks
2%synergy
Evolving Wilds
11%inclusion17 decks157 decks
-14%synergy
Glasspool Mimic
11%inclusion17 decks157 decks
6%synergy
Hydroelectric Specimen
9.4%inclusion12 decks128 decks
3%synergy
Bridgeworks Battle
8.6%inclusion11 decks128 decks
4%synergy
Blighted Woodland
8.3%inclusion13 decks157 decks
0%synergy
Disciple of Freyalise
7.8%inclusion10 decks128 decks
3%synergy
Littjara Mirrorlake
7.6%inclusion12 decks157 decks
4%synergy
Thornwood Falls
7.6%inclusion12 decks157 decks
-10%synergy
Turntimber Symbiosis
7.0%inclusion11 decks157 decks
5%synergy
Plaza of Heroes
6.4%inclusion10 decks157 decks
5%synergy
Mana Confluence
6.4%inclusion10 decks157 decks
1%synergy
City of Brass
5.7%inclusion9 decks157 decks
0%synergy
Terramorphic Expanse
5.1%inclusion8 decks157 decks
-15%synergy
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