Koma, Cosmos Serpent (Commander) - Expensive Control

Koma, Cosmos Serpent
Rank #289
15decks
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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
Battles
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Parallel Lives
93%inclusion14 decks15 decks
87%synergy
Sakashima of a Thousand Faces
87%inclusion13 decks15 decks
82%synergy
Boseiju, Who Endures
100%inclusion15 decks15 decks
78%synergy
Mana Drain
93%inclusion14 decks15 decks
78%synergy
Spark Double
87%inclusion13 decks15 decks
77%synergy
Elemental Bond
80%inclusion12 decks15 decks
74%synergy
Otawara, Soaring City
93%inclusion14 decks15 decks
74%synergy
Doubling Season
80%inclusion12 decks15 decks
70%synergy
Birds of Paradise
93%inclusion14 decks15 decks
66%synergy
Adrix and Nev, Twincasters
73%inclusion11 decks15 decks
65%synergy
Top Cards
Mystic Remora
80%inclusion12 decks15 decks
64%synergy
Three Visits
73%inclusion11 decks15 decks
50%synergy
Beast Within
73%inclusion11 decks15 decks
23%synergy
Craterhoof Behemoth
73%inclusion11 decks15 decks
64%synergy
Whelming Wave
73%inclusion11 decks15 decks
62%synergy
Koma, World-Eater
67%inclusion6 decks9 decks
53%synergy
An Offer You Can't Refuse
67%inclusion10 decks15 decks
44%synergy
Roaming Throne
67%inclusion10 decks15 decks
59%synergy
Oko, Thief of Crowns
67%inclusion10 decks15 decks
59%synergy
Swan Song
67%inclusion10 decks15 decks
48%synergy
Game Changers
Rhystic Study
100%inclusion15 decks15 decks
78%synergy
Gaea's Cradle
93%inclusion14 decks15 decks
86%synergy
Fierce Guardianship
93%inclusion14 decks15 decks
76%synergy
Cyclonic Rift
93%inclusion14 decks15 decks
67%synergy
Ancient Tomb
87%inclusion13 decks15 decks
77%synergy
Force of Will
80%inclusion12 decks15 decks
70%synergy
Consecrated Sphinx
67%inclusion10 decks15 decks
58%synergy
Mana Vault
53%inclusion8 decks15 decks
47%synergy
The One Ring
53%inclusion8 decks15 decks
46%synergy
Seedborn Muse
53%inclusion8 decks15 decks
38%synergy
Creatures
Sakashima the Impostor
67%inclusion10 decks15 decks
64%synergy
Junk Winder
60%inclusion9 decks15 decks
53%synergy
Serpent of Yawning Depths
60%inclusion9 decks15 decks
54%synergy
Enduring Vitality
55%inclusion6 decks11 decks
47%synergy
Fyndhorn Elves
53%inclusion8 decks15 decks
37%synergy
Hullbreaker Horror
47%inclusion7 decks15 decks
29%synergy
Sakura-Tribe Elder
47%inclusion7 decks15 decks
27%synergy
Spawning Kraken
47%inclusion7 decks15 decks
39%synergy
Delighted Halfling
47%inclusion7 decks15 decks
35%synergy
Garruk's Packleader
40%inclusion6 decks15 decks
38%synergy
Elvish Mystic
40%inclusion6 decks15 decks
16%synergy
Aesi, Tyrant of Gyre Strait
40%inclusion6 decks15 decks
23%synergy
Fanatic of Rhonas
36%inclusion4 decks11 decks
31%synergy
Eternal Witness
33%inclusion5 decks15 decks
12%synergy
Llanowar Elves
33%inclusion5 decks15 decks
6%synergy
Gene Pollinator
33%inclusion1 decks3 decks
33%synergy
Hydroelectric Specimen
27%inclusion3 decks11 decks
21%synergy
Pollywog Prodigy
27%inclusion3 decks11 decks
20%synergy
Kinnan, Bonder Prodigy
27%inclusion4 decks15 decks
23%synergy
Spellskite
27%inclusion4 decks15 decks
21%synergy
Somberwald Sage
27%inclusion4 decks15 decks
25%synergy
Esix, Fractal Bloom
20%inclusion3 decks15 decks
16%synergy
Ohran Frostfang
20%inclusion3 decks15 decks
16%synergy
Sylvan Safekeeper
20%inclusion3 decks15 decks
16%synergy
Arixmethes, Slumbering Isle
20%inclusion3 decks15 decks
7%synergy
Uro, Titan of Nature's Wrath
20%inclusion3 decks15 decks
10%synergy
Disciple of Freyalise
18%inclusion2 decks11 decks
13%synergy
Overlord of the Hauntwoods
18%inclusion2 decks11 decks
15%synergy
Sowing Mycospawn
18%inclusion2 decks11 decks
16%synergy
Tatyova, Benthic Druid
13%inclusion2 decks15 decks
-18%synergy
Displacer Kitten
13%inclusion2 decks15 decks
9%synergy
Jaheira, Friend of the Forest
13%inclusion2 decks15 decks
9%synergy
Curiosity Crafter
13%inclusion2 decks15 decks
10%synergy
Bloom Tender
13%inclusion2 decks15 decks
9%synergy
Collector Ouphe
13%inclusion2 decks15 decks
12%synergy
Phyrexian Metamorph
13%inclusion2 decks15 decks
5%synergy
Kira, Great Glass-Spinner
13%inclusion2 decks15 decks
13%synergy
Wandering Archaic
13%inclusion2 decks15 decks
8%synergy
Elvish Spirit Guide
13%inclusion2 decks15 decks
9%synergy
Willbreaker
13%inclusion2 decks15 decks
13%synergy
Archetype of Imagination
13%inclusion2 decks15 decks
9%synergy
Toski, Bearer of Secrets
13%inclusion2 decks15 decks
10%synergy
Skyserpent Seeker
13%inclusion1 decks8 decks
9%synergy
Transit Mage
13%inclusion1 decks8 decks
12%synergy
Octomancer
9.1%inclusion1 decks11 decks
4%synergy
Watchful Radstag
9.1%inclusion1 decks11 decks
8%synergy
Bonny Pall, Clearcutter
9.1%inclusion1 decks11 decks
3%synergy
Maraleaf Pixie
6.7%inclusion1 decks15 decks
1%synergy
Peregrine Drake
6.7%inclusion1 decks15 decks
2%synergy
Troyan, Gutsy Explorer
6.7%inclusion1 decks15 decks
3%synergy
Instants
Heroic Intervention
60%inclusion9 decks15 decks
30%synergy
Force of Negation
60%inclusion9 decks15 decks
51%synergy
Archdruid's Charm
58%inclusion7 decks12 decks
52%synergy
Return of the Wildspeaker
53%inclusion8 decks15 decks
43%synergy
Force of Vigor
53%inclusion8 decks15 decks
49%synergy
Counterspell
53%inclusion8 decks15 decks
3%synergy
Crop Rotation
47%inclusion7 decks15 decks
33%synergy
Worldly Tutor
47%inclusion7 decks15 decks
31%synergy
Pact of Negation
47%inclusion7 decks15 decks
39%synergy
Mystical Tutor
47%inclusion7 decks15 decks
37%synergy
Sink into Stupor
45%inclusion5 decks11 decks
34%synergy
Krosan Grip
40%inclusion6 decks15 decks
32%synergy
Second Harvest
40%inclusion6 decks15 decks
34%synergy
Chord of Calling
40%inclusion6 decks15 decks
32%synergy
Arcane Denial
40%inclusion6 decks15 decks
17%synergy
Double Major
40%inclusion6 decks15 decks
31%synergy
Pongify
33%inclusion5 decks15 decks
9%synergy
Negate
33%inclusion5 decks15 decks
7%synergy
Growth Spiral
33%inclusion5 decks15 decks
-11%synergy
Mindbreak Trap
33%inclusion5 decks15 decks
29%synergy
Legolas's Quick Reflexes
33%inclusion5 decks15 decks
31%synergy
Flusterstorm
33%inclusion5 decks15 decks
27%synergy
Rapid Hybridization
27%inclusion4 decks15 decks
0%synergy
Nature's Claim
27%inclusion4 decks15 decks
16%synergy
Noxious Revival
27%inclusion4 decks15 decks
20%synergy
Reality Shift
20%inclusion3 decks15 decks
5%synergy
Voidslime
20%inclusion3 decks15 decks
15%synergy
Mental Misstep
13%inclusion2 decks15 decks
8%synergy
Plasm Capture
13%inclusion2 decks15 decks
10%synergy
Tyvar's Stand
13%inclusion2 decks15 decks
10%synergy
Sublime Epiphany
13%inclusion2 decks15 decks
11%synergy
Resculpt
13%inclusion2 decks15 decks
7%synergy
Disallow
13%inclusion2 decks15 decks
12%synergy
Delay
13%inclusion2 decks15 decks
11%synergy
Cryptic Command
13%inclusion2 decks15 decks
12%synergy
Stifle
13%inclusion2 decks15 decks
13%synergy
March of Swirling Mist
13%inclusion2 decks15 decks
9%synergy
Three Steps Ahead
9.1%inclusion1 decks11 decks
6%synergy
Strix Serenade
9.1%inclusion1 decks11 decks
5%synergy
Planar Genesis
9.1%inclusion1 decks11 decks
-2%synergy
Veil of Summer
6.7%inclusion1 decks15 decks
1%synergy
Muddle the Mixture
6.7%inclusion1 decks15 decks
2%synergy
Eureka Moment
6.7%inclusion1 decks15 decks
-4%synergy
Whir of Invention
6.7%inclusion1 decks15 decks
5%synergy
Snakeskin Veil
6.7%inclusion1 decks15 decks
1%synergy
Brainstorm
6.7%inclusion1 decks15 decks
-8%synergy
Season of Renewal
6.7%inclusion1 decks15 decks
6%synergy
Dispel
6.7%inclusion1 decks15 decks
2%synergy
Archmage's Charm
6.7%inclusion1 decks15 decks
6%synergy
Tale's End
6.7%inclusion1 decks15 decks
6%synergy
Sorceries
Finale of Devastation
60%inclusion9 decks15 decks
48%synergy
Nature's Lore
60%inclusion9 decks15 decks
30%synergy
Irenicus's Vile Duplication
53%inclusion8 decks15 decks
47%synergy
Kodama's Reach
47%inclusion7 decks15 decks
10%synergy
Farseek
47%inclusion7 decks15 decks
23%synergy
Sea Gate Restoration
47%inclusion7 decks15 decks
41%synergy
Cultivate
47%inclusion7 decks15 decks
0%synergy
Rampant Growth
40%inclusion6 decks15 decks
-1%synergy
Green Sun's Zenith
33%inclusion5 decks15 decks
25%synergy
Skyshroud Claim
33%inclusion5 decks15 decks
24%synergy
Triumph of the Hordes
33%inclusion5 decks15 decks
30%synergy
Quantum Misalignment
27%inclusion4 decks15 decks
24%synergy
Bala Ged Recovery
20%inclusion3 decks15 decks
10%synergy
Overwhelming Stampede
20%inclusion3 decks15 decks
8%synergy
Turntimber Symbiosis
13%inclusion2 decks15 decks
11%synergy
Fabricate
13%inclusion2 decks15 decks
7%synergy
Tempt with Discovery
13%inclusion2 decks15 decks
9%synergy
Temporal Manipulation
13%inclusion2 decks15 decks
12%synergy
Rishkar's Expertise
13%inclusion2 decks15 decks
5%synergy
Explore
13%inclusion2 decks15 decks
-7%synergy
Rite of Replication
13%inclusion2 decks15 decks
6%synergy
Stock Up
13%inclusion1 decks8 decks
12%synergy
Flare of Cultivation
9.1%inclusion1 decks11 decks
7%synergy
Bridgeworks Battle
9.1%inclusion1 decks11 decks
4%synergy
Inundate
6.7%inclusion1 decks15 decks
6%synergy
Windfall
6.7%inclusion1 decks15 decks
2%synergy
Eldritch Evolution
6.7%inclusion1 decks15 decks
3%synergy
Relearn
6.7%inclusion1 decks15 decks
7%synergy
Last March of the Ents
6.7%inclusion1 decks15 decks
3%synergy
Neoform
6.7%inclusion1 decks15 decks
3%synergy
Explosive Vegetation
6.7%inclusion1 decks15 decks
1%synergy
Expropriate
6.7%inclusion1 decks15 decks
5%synergy
Nylea's Intervention
6.7%inclusion1 decks15 decks
6%synergy
Migration Path
6.7%inclusion1 decks15 decks
3%synergy
Time Warp
6.7%inclusion1 decks15 decks
5%synergy
Open the Way
6.7%inclusion1 decks15 decks
4%synergy
Regrowth
6.7%inclusion1 decks15 decks
3%synergy
Sylvan Scrying
6.7%inclusion1 decks15 decks
1%synergy
Utility Artifacts
Lightning Greaves
40%inclusion6 decks15 decks
18%synergy
Winter Orb
33%inclusion5 decks15 decks
33%synergy
The Great Henge
33%inclusion5 decks15 decks
24%synergy
Helm of the Host
33%inclusion5 decks15 decks
28%synergy
Static Orb
27%inclusion4 decks15 decks
27%synergy
Swiftfoot Boots
27%inclusion4 decks15 decks
1%synergy
Coat of Arms
20%inclusion3 decks15 decks
19%synergy
Skullclamp
20%inclusion3 decks15 decks
19%synergy
Banner of Kinship
11%inclusion1 decks9 decks
9%synergy
Winter Moon
9.1%inclusion1 decks11 decks
9%synergy
Sensei's Divining Top
6.7%inclusion1 decks15 decks
3%synergy
God-Pharaoh's Statue
6.7%inclusion1 decks15 decks
6%synergy
Null Rod
6.7%inclusion1 decks15 decks
6%synergy
Vedalken Orrery
6.7%inclusion1 decks15 decks
5%synergy
Trinisphere
6.7%inclusion1 decks15 decks
6%synergy
Phyrexian Altar
6.7%inclusion1 decks15 decks
6%synergy
Whispersilk Cloak
6.7%inclusion1 decks15 decks
4%synergy
Eldrazi Monument
6.7%inclusion1 decks15 decks
6%synergy
Bident of Thassa
6.7%inclusion1 decks15 decks
-1%synergy
Obelisk of Urd
6.7%inclusion1 decks15 decks
6%synergy
Smokestack
6.7%inclusion1 decks15 decks
7%synergy
Enchantments
Kindred Discovery
47%inclusion7 decks15 decks
36%synergy
Tribute to the World Tree
47%inclusion7 decks15 decks
40%synergy
Sylvan Library
47%inclusion7 decks15 decks
37%synergy
Cryptolith Rite
20%inclusion3 decks15 decks
17%synergy
Carpet of Flowers
20%inclusion3 decks15 decks
17%synergy
Growing Rites of Itlimoc
20%inclusion3 decks15 decks
14%synergy
Utopia Sprawl
13%inclusion2 decks15 decks
7%synergy
Beastmaster Ascension
13%inclusion2 decks15 decks
10%synergy
Wild Growth
13%inclusion2 decks15 decks
5%synergy
Asceticism
13%inclusion2 decks15 decks
10%synergy
Opposition
13%inclusion2 decks15 decks
13%synergy
Greater Good
13%inclusion2 decks15 decks
11%synergy
Defense of the Heart
13%inclusion2 decks15 decks
11%synergy
Propaganda
13%inclusion2 decks15 decks
7%synergy
Amphibian Downpour
9.1%inclusion1 decks11 decks
4%synergy
Exploration
6.7%inclusion1 decks15 decks
-7%synergy
Verity Circle
6.7%inclusion1 decks15 decks
6%synergy
Imprisoned in the Moon
6.7%inclusion1 decks15 decks
3%synergy
Evolutionary Leap
6.7%inclusion1 decks15 decks
6%synergy
Steely Resolve
6.7%inclusion1 decks15 decks
6%synergy
Pattern of Rebirth
6.7%inclusion1 decks15 decks
6%synergy
Wilderness Reclamation
6.7%inclusion1 decks15 decks
-2%synergy
Mirri's Guile
6.7%inclusion1 decks15 decks
6%synergy
Burgeoning
6.7%inclusion1 decks15 decks
0%synergy
Stasis
6.7%inclusion1 decks15 decks
6%synergy
Dismiss into Dream
6.7%inclusion1 decks15 decks
6%synergy
Primal Vigor
6.7%inclusion1 decks15 decks
3%synergy
Quest for Renewal
6.7%inclusion1 decks15 decks
5%synergy
Paradox Haze
6.7%inclusion1 decks15 decks
6%synergy
Diplomatic Immunity
6.7%inclusion1 decks15 decks
6%synergy
Battles
Invasion of Ikoria
13%inclusion2 decks15 decks
9%synergy
Planeswalkers
Narset, Parter of Veils
6.7%inclusion1 decks15 decks
5%synergy
Tamiyo, the Moon Sage
6.7%inclusion1 decks15 decks
6%synergy
Utility Lands
Yavimaya, Cradle of Growth
67%inclusion10 decks15 decks
45%synergy
Evendo, Waking Haven
67%inclusion2 decks3 decks
62%synergy
Mistrise Village
57%inclusion4 decks7 decks
47%synergy
Three Tree City
55%inclusion6 decks11 decks
49%synergy
Command Beacon
53%inclusion8 decks15 decks
49%synergy
Reliquary Tower
53%inclusion8 decks15 decks
3%synergy
Urza's Saga
33%inclusion5 decks15 decks
28%synergy
Minamo, School at Water's Edge
27%inclusion4 decks15 decks
20%synergy
Mystic Sanctuary
20%inclusion3 decks15 decks
7%synergy
Castle Garenbrig
20%inclusion3 decks15 decks
15%synergy
Shifting Woodland
18%inclusion2 decks11 decks
11%synergy
Rivendell
13%inclusion2 decks15 decks
8%synergy
Alchemist's Refuge
13%inclusion2 decks15 decks
-4%synergy
Mosswort Bridge
13%inclusion2 decks15 decks
-4%synergy
Nykthos, Shrine to Nyx
13%inclusion2 decks15 decks
10%synergy
Restless Vinestalk
6.7%inclusion1 decks15 decks
1%synergy
Wasteland
6.7%inclusion1 decks15 decks
5%synergy
Boseiju, Who Shelters All
6.7%inclusion1 decks15 decks
6%synergy
Tolaria West
6.7%inclusion1 decks15 decks
5%synergy
Scavenger Grounds
6.7%inclusion1 decks15 decks
2%synergy
Emergence Zone
6.7%inclusion1 decks15 decks
3%synergy
Field of the Dead
6.7%inclusion1 decks15 decks
0%synergy
Oran-Rief, the Vastwood
6.7%inclusion1 decks15 decks
2%synergy
Dryad Arbor
6.7%inclusion1 decks15 decks
1%synergy
Mana Artifacts
Sol Ring
93%inclusion14 decks15 decks
13%synergy
Arcane Signet
80%inclusion12 decks15 decks
17%synergy
Talisman of Curiosity
53%inclusion8 decks15 decks
32%synergy
Jeweled Lotus
27%inclusion4 decks15 decks
24%synergy
Simic Signet
27%inclusion4 decks15 decks
-6%synergy
Chrome Mox
27%inclusion4 decks15 decks
20%synergy
Mana Crypt
20%inclusion3 decks15 decks
16%synergy
Fellwar Stone
20%inclusion3 decks15 decks
11%synergy
Lotus Petal
13%inclusion2 decks15 decks
6%synergy
Thought Vessel
13%inclusion2 decks15 decks
-7%synergy
Mox Diamond
13%inclusion2 decks15 decks
8%synergy
Patchwork Banner
9.1%inclusion1 decks11 decks
5%synergy
Grim Monolith
6.7%inclusion1 decks15 decks
4%synergy
Mox Amber
6.7%inclusion1 decks15 decks
1%synergy
Coveted Jewel
6.7%inclusion1 decks15 decks
6%synergy
Gilded Lotus
6.7%inclusion1 decks15 decks
5%synergy
Thran Dynamo
6.7%inclusion1 decks15 decks
4%synergy
Lands
Breeding Pool
100%inclusion15 decks15 decks
55%synergy
Command Tower
93%inclusion14 decks15 decks
8%synergy
Misty Rainforest
93%inclusion14 decks15 decks
62%synergy
Tropical Island
93%inclusion14 decks15 decks
79%synergy
Rejuvenating Springs
93%inclusion14 decks15 decks
49%synergy
Island
80%inclusion12 decks15 decks
-15%synergy
Forest
80%inclusion12 decks15 decks
-15%synergy
Yavimaya Coast
73%inclusion11 decks15 decks
21%synergy
Barkchannel Pathway
60%inclusion9 decks15 decks
39%synergy
Waterlogged Grove
60%inclusion9 decks15 decks
39%synergy
Hinterland Harbor
53%inclusion8 decks15 decks
-6%synergy
Prismatic Vista
47%inclusion7 decks15 decks
39%synergy
Sea Gate Restoration
47%inclusion7 decks15 decks
41%synergy
Mana Confluence
47%inclusion7 decks15 decks
41%synergy
Hedge Maze
46%inclusion6 decks13 decks
27%synergy
Sink into Stupor
45%inclusion5 decks11 decks
34%synergy
Dreamroot Cascade
40%inclusion6 decks15 decks
-1%synergy
Snow-Covered Island
33%inclusion5 decks15 decks
26%synergy
Snow-Covered Forest
33%inclusion5 decks15 decks
26%synergy
Verdant Catacombs
33%inclusion5 decks15 decks
24%synergy
Flooded Grove
33%inclusion5 decks15 decks
-7%synergy
City of Brass
33%inclusion5 decks15 decks
27%synergy
Hydroelectric Specimen
27%inclusion3 decks11 decks
21%synergy
Simic Growth Chamber
27%inclusion4 decks15 decks
-22%synergy
Exotic Orchard
27%inclusion4 decks15 decks
3%synergy
Willowrush Verge
25%inclusion2 decks8 decks
9%synergy
Fabled Passage
20%inclusion3 decks15 decks
6%synergy
Windswept Heath
20%inclusion3 decks15 decks
10%synergy
Wooded Foothills
20%inclusion3 decks15 decks
10%synergy
Scalding Tarn
20%inclusion3 decks15 decks
10%synergy
Bala Ged Recovery
20%inclusion3 decks15 decks
10%synergy
Disciple of Freyalise
18%inclusion2 decks11 decks
13%synergy
Turntimber Symbiosis
13%inclusion2 decks15 decks
11%synergy
Gemstone Caverns
13%inclusion2 decks15 decks
7%synergy
Polluted Delta
13%inclusion2 decks15 decks
3%synergy
Horizon of Progress
9.1%inclusion1 decks11 decks
4%synergy
Bridgeworks Battle
9.1%inclusion1 decks11 decks
4%synergy
Blighted Woodland
6.7%inclusion1 decks15 decks
-1%synergy
Myriad Landscape
6.7%inclusion1 decks15 decks
-16%synergy
Vineglimmer Snarl
6.7%inclusion1 decks15 decks
-32%synergy
Temple of Mystery
6.7%inclusion1 decks15 decks
-32%synergy
Cavern of Souls
6.7%inclusion1 decks15 decks
1%synergy
Rimewood Falls
6.7%inclusion1 decks15 decks
-3%synergy
Plaza of Heroes
6.7%inclusion1 decks15 decks
5%synergy
Glasspool Mimic
6.7%inclusion1 decks15 decks
2%synergy
Thornwood Falls
6.7%inclusion1 decks15 decks
-11%synergy
Flooded Strand
6.7%inclusion1 decks15 decks
-4%synergy
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