Koma, Cosmos Serpent (Commander) - Optimized Clones

Koma, Cosmos Serpent
Rank #289
29decks
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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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Lands
Back to Top
Impostor Syndrome
11%inclusion1 decks9 decks
9%synergy
High Synergy Cards
Sakashima of a Thousand Faces
90%inclusion26 decks29 decks
85%synergy
Adrix and Nev, Twincasters
86%inclusion25 decks29 decks
78%synergy
Spark Double
86%inclusion25 decks29 decks
77%synergy
Sakashima the Impostor
76%inclusion22 decks29 decks
73%synergy
Parallel Lives
72%inclusion21 decks29 decks
66%synergy
Whelming Wave
72%inclusion21 decks29 decks
61%synergy
Irenicus's Vile Duplication
66%inclusion19 decks29 decks
59%synergy
Serpent of Yawning Depths
66%inclusion19 decks29 decks
59%synergy
Elemental Bond
62%inclusion18 decks29 decks
56%synergy
Doubling Season
66%inclusion19 decks29 decks
56%synergy
Top Cards
Counterspell
79%inclusion23 decks29 decks
29%synergy
Cultivate
76%inclusion22 decks29 decks
29%synergy
Aesi, Tyrant of Gyre Strait
72%inclusion21 decks29 decks
55%synergy
Birds of Paradise
72%inclusion21 decks29 decks
45%synergy
Koma, World-Eater
69%inclusion20 decks29 decks
55%synergy
Mana Drain
69%inclusion20 decks29 decks
53%synergy
Three Visits
66%inclusion19 decks29 decks
42%synergy
Heroic Intervention
66%inclusion19 decks29 decks
35%synergy
Kodama's Reach
59%inclusion17 decks29 decks
22%synergy
Beast Within
59%inclusion17 decks29 decks
8%synergy
Game Changers
Rhystic Study
79%inclusion23 decks29 decks
57%synergy
Fierce Guardianship
76%inclusion22 decks29 decks
58%synergy
Cyclonic Rift
76%inclusion22 decks29 decks
49%synergy
Seedborn Muse
45%inclusion13 decks29 decks
29%synergy
Consecrated Sphinx
41%inclusion12 decks29 decks
33%synergy
Ancient Tomb
41%inclusion12 decks29 decks
32%synergy
Force of Will
38%inclusion11 decks29 decks
28%synergy
Worldly Tutor
38%inclusion11 decks29 decks
22%synergy
Mystical Tutor
34%inclusion10 decks29 decks
25%synergy
Gaea's Cradle
17%inclusion5 decks29 decks
10%synergy
Creatures
Spawning Kraken
55%inclusion16 decks29 decks
48%synergy
Eternal Witness
52%inclusion15 decks29 decks
30%synergy
Llanowar Elves
52%inclusion15 decks29 decks
24%synergy
Junk Winder
45%inclusion13 decks29 decks
38%synergy
Elvish Mystic
41%inclusion12 decks29 decks
17%synergy
Craterhoof Behemoth
41%inclusion12 decks29 decks
32%synergy
Ohran Frostfang
41%inclusion12 decks29 decks
38%synergy
Sakura-Tribe Elder
34%inclusion10 decks29 decks
15%synergy
Tatyova, Benthic Druid
31%inclusion9 decks29 decks
0%synergy
Garruk's Packleader
31%inclusion9 decks29 decks
29%synergy
Azusa, Lost but Seeking
31%inclusion9 decks29 decks
17%synergy
Fyndhorn Elves
31%inclusion9 decks29 decks
15%synergy
Enduring Vitality
28%inclusion8 decks29 decks
20%synergy
Roaming Throne
28%inclusion8 decks29 decks
19%synergy
Arixmethes, Slumbering Isle
28%inclusion8 decks29 decks
14%synergy
Toski, Bearer of Secrets
24%inclusion7 decks29 decks
21%synergy
Uro, Titan of Nature's Wrath
24%inclusion7 decks29 decks
14%synergy
Delighted Halfling
24%inclusion7 decks29 decks
13%synergy
Summon: Leviathan
22%inclusion4 decks18 decks
15%synergy
Fanatic of Rhonas
21%inclusion6 decks29 decks
15%synergy
Curiosity Crafter
17%inclusion5 decks29 decks
14%synergy
Selvala, Heart of the Wilds
17%inclusion5 decks29 decks
14%synergy
Murkfiend Liege
17%inclusion5 decks29 decks
2%synergy
Coiling Oracle
17%inclusion5 decks29 decks
4%synergy
Esix, Fractal Bloom
17%inclusion5 decks29 decks
13%synergy
Tireless Provisioner
17%inclusion5 decks29 decks
2%synergy
Inga and Esika
14%inclusion4 decks29 decks
11%synergy
Saryth, the Viper's Fang
14%inclusion4 decks29 decks
12%synergy
Dryad of the Ilysian Grove
14%inclusion4 decks29 decks
4%synergy
Nezahal, Primal Tide
14%inclusion4 decks29 decks
3%synergy
Hullbreaker Horror
14%inclusion4 decks29 decks
-4%synergy
Octomancer
10%inclusion3 decks29 decks
6%synergy
Troyan, Gutsy Explorer
10%inclusion3 decks29 decks
7%synergy
Arbor Elf
10%inclusion3 decks29 decks
4%synergy
Avenger of Zendikar
10%inclusion3 decks29 decks
-8%synergy
Slinn Voda, the Rising Deep
10%inclusion3 decks29 decks
4%synergy
Enduring Curiosity
10%inclusion3 decks29 decks
7%synergy
Faerie Mastermind
10%inclusion3 decks29 decks
6%synergy
Master Biomancer
10%inclusion3 decks29 decks
4%synergy
Glasspool Mimic
10%inclusion3 decks29 decks
6%synergy
Lotus Cobra
10%inclusion3 decks29 decks
-4%synergy
Kinnan, Bonder Prodigy
10%inclusion3 decks29 decks
7%synergy
Scute Swarm
10%inclusion3 decks29 decks
-11%synergy
Vorinclex, Voice of Hunger
10%inclusion3 decks29 decks
7%synergy
Ouroboroid
7.1%inclusion1 decks14 decks
4%synergy
Solemn Simulacrum
6.9%inclusion2 decks29 decks
1%synergy
Rashmi, Eternities Crafter
6.9%inclusion2 decks29 decks
4%synergy
Reclamation Sage
6.9%inclusion2 decks29 decks
-8%synergy
Pirated Copy
6.9%inclusion2 decks29 decks
6%synergy
Collector Ouphe
6.9%inclusion2 decks29 decks
6%synergy
Instants
Double Major
59%inclusion17 decks29 decks
50%synergy
An Offer You Can't Refuse
55%inclusion16 decks29 decks
33%synergy
Swan Song
55%inclusion16 decks29 decks
36%synergy
Pongify
48%inclusion14 decks29 decks
24%synergy
Negate
41%inclusion12 decks29 decks
15%synergy
Growth Spiral
41%inclusion12 decks29 decks
-3%synergy
Second Harvest
38%inclusion11 decks29 decks
32%synergy
Rapid Hybridization
31%inclusion9 decks29 decks
5%synergy
Arcane Denial
31%inclusion9 decks29 decks
9%synergy
Force of Negation
24%inclusion7 decks29 decks
16%synergy
Mystic Reflection
21%inclusion6 decks29 decks
18%synergy
Sink into Stupor
21%inclusion6 decks29 decks
9%synergy
Pact of Negation
21%inclusion6 decks29 decks
13%synergy
Krosan Grip
17%inclusion5 decks29 decks
9%synergy
Crop Rotation
17%inclusion5 decks29 decks
4%synergy
Noxious Revival
17%inclusion5 decks29 decks
11%synergy
Chord of Calling
17%inclusion5 decks29 decks
10%synergy
Tamiyo's Safekeeping
17%inclusion5 decks29 decks
11%synergy
Return of the Wildspeaker
14%inclusion4 decks29 decks
3%synergy
Nature's Claim
14%inclusion4 decks29 decks
4%synergy
Brainstorm
14%inclusion4 decks29 decks
0%synergy
Voidslime
14%inclusion4 decks29 decks
9%synergy
Strix Serenade
14%inclusion4 decks29 decks
10%synergy
Resculpt
14%inclusion4 decks29 decks
7%synergy
Fog
10%inclusion3 decks29 decks
7%synergy
Archdruid's Charm
10%inclusion3 decks29 decks
4%synergy
Force of Vigor
10%inclusion3 decks29 decks
6%synergy
Harrow
10%inclusion3 decks29 decks
-2%synergy
Reality Shift
10%inclusion3 decks29 decks
-4%synergy
Planar Genesis
10%inclusion3 decks29 decks
-1%synergy
March of Swirling Mist
10%inclusion3 decks29 decks
6%synergy
Muddle the Mixture
6.9%inclusion2 decks29 decks
2%synergy
Eureka Moment
6.9%inclusion2 decks29 decks
-4%synergy
Disdainful Stroke
6.9%inclusion2 decks29 decks
5%synergy
Three Steps Ahead
6.9%inclusion2 decks29 decks
4%synergy
Stubborn Denial
6.9%inclusion2 decks29 decks
4%synergy
Snakeskin Veil
6.9%inclusion2 decks29 decks
1%synergy
Flare of Denial
6.9%inclusion2 decks29 decks
4%synergy
Sublime Epiphany
6.9%inclusion2 decks29 decks
5%synergy
Legolas's Quick Reflexes
6.9%inclusion2 decks29 decks
4%synergy
Return to Nature
6.9%inclusion2 decks29 decks
1%synergy
Aetherize
6.9%inclusion2 decks29 decks
-5%synergy
Disallow
6.9%inclusion2 decks29 decks
5%synergy
Tyvar's Stand
6.9%inclusion2 decks29 decks
4%synergy
Saw It Coming
6.9%inclusion2 decks29 decks
5%synergy
Narset's Reversal
6.9%inclusion2 decks29 decks
5%synergy
Daze
6.9%inclusion2 decks29 decks
6%synergy
Cryptic Command
6.9%inclusion2 decks29 decks
6%synergy
Simic Charm
6.9%inclusion2 decks29 decks
-1%synergy
Sorceries
Farseek
55%inclusion16 decks29 decks
31%synergy
Rampant Growth
55%inclusion16 decks29 decks
14%synergy
Nature's Lore
52%inclusion15 decks29 decks
21%synergy
Quantum Misalignment
38%inclusion11 decks29 decks
35%synergy
Finale of Devastation
31%inclusion9 decks29 decks
19%synergy
Skyshroud Claim
24%inclusion7 decks29 decks
15%synergy
Bala Ged Recovery
24%inclusion7 decks29 decks
14%synergy
Sea Gate Restoration
21%inclusion6 decks29 decks
15%synergy
Windfall
17%inclusion5 decks29 decks
13%synergy
Regrowth
17%inclusion5 decks29 decks
13%synergy
Explore
14%inclusion4 decks29 decks
-7%synergy
Rite of Replication
14%inclusion4 decks29 decks
6%synergy
Overwhelming Stampede
14%inclusion4 decks29 decks
2%synergy
Green Sun's Zenith
10%inclusion3 decks29 decks
2%synergy
Flare of Cultivation
10%inclusion3 decks29 decks
8%synergy
Triumph of the Hordes
10%inclusion3 decks29 decks
7%synergy
Quasiduplicate
10%inclusion3 decks29 decks
8%synergy
Rishkar's Expertise
10%inclusion3 decks29 decks
2%synergy
Bridgeworks Battle
10%inclusion3 decks29 decks
6%synergy
Open the Way
10%inclusion3 decks29 decks
8%synergy
Ponder
6.9%inclusion2 decks29 decks
0%synergy
Into the North
6.9%inclusion2 decks29 decks
6%synergy
Curse of the Swine
6.9%inclusion2 decks29 decks
-4%synergy
Vastwood Surge
6.9%inclusion2 decks29 decks
6%synergy
Pick Your Poison
6.9%inclusion2 decks29 decks
6%synergy
Search for Tomorrow
6.9%inclusion2 decks29 decks
2%synergy
Explosive Vegetation
6.9%inclusion2 decks29 decks
1%synergy
Doppelgang
6.9%inclusion2 decks29 decks
0%synergy
Ezuri's Predation
6.9%inclusion2 decks29 decks
-1%synergy
Migration Path
6.9%inclusion2 decks29 decks
3%synergy
Harvest Season
6.9%inclusion2 decks29 decks
5%synergy
Utility Artifacts
Swiftfoot Boots
48%inclusion14 decks29 decks
22%synergy
Lightning Greaves
45%inclusion13 decks29 decks
23%synergy
Helm of the Host
41%inclusion12 decks29 decks
36%synergy
Mirror Box
24%inclusion7 decks29 decks
21%synergy
The Great Henge
21%inclusion6 decks29 decks
12%synergy
Skullclamp
17%inclusion5 decks29 decks
16%synergy
Combine Chrysalis
17%inclusion5 decks29 decks
13%synergy
Eldrazi Monument
17%inclusion5 decks29 decks
17%synergy
The One Ring
14%inclusion4 decks29 decks
6%synergy
Idol of Oblivion
14%inclusion4 decks29 decks
10%synergy
Static Orb
10%inclusion3 decks29 decks
10%synergy
Winter Orb
10%inclusion3 decks29 decks
10%synergy
Lithoform Engine
6.9%inclusion2 decks29 decks
6%synergy
Mirror Gallery
6.9%inclusion2 decks29 decks
6%synergy
Nevinyrral's Disk
6.9%inclusion2 decks29 decks
6%synergy
Commander's Plate
6.9%inclusion2 decks29 decks
7%synergy
Emerald Medallion
6.9%inclusion2 decks29 decks
4%synergy
Sapphire Medallion
6.9%inclusion2 decks29 decks
4%synergy
Enchantments
Mystic Remora
59%inclusion17 decks29 decks
43%synergy
Tribute to the World Tree
34%inclusion10 decks29 decks
28%synergy
Sylvan Library
34%inclusion10 decks29 decks
25%synergy
Exploration
21%inclusion6 decks29 decks
7%synergy
Beastmaster Ascension
21%inclusion6 decks29 decks
18%synergy
Primal Vigor
21%inclusion6 decks29 decks
17%synergy
Defense of the Heart
21%inclusion6 decks29 decks
18%synergy
Kindred Discovery
17%inclusion5 decks29 decks
7%synergy
Cryptolith Rite
17%inclusion5 decks29 decks
14%synergy
Wild Growth
17%inclusion5 decks29 decks
8%synergy
Unnatural Growth
17%inclusion5 decks29 decks
14%synergy
Growing Rites of Itlimoc
17%inclusion5 decks29 decks
11%synergy
Moonlit Meditation
15%inclusion2 decks13 decks
14%synergy
Utopia Sprawl
14%inclusion4 decks29 decks
7%synergy
Extravagant Replication
14%inclusion4 decks29 decks
11%synergy
Kenrith's Transformation
14%inclusion4 decks29 decks
9%synergy
Opposition
14%inclusion4 decks29 decks
13%synergy
Paradox Haze
14%inclusion4 decks29 decks
13%synergy
Burgeoning
14%inclusion4 decks29 decks
7%synergy
Imprisoned in the Moon
10%inclusion3 decks29 decks
6%synergy
Garruk's Uprising
10%inclusion3 decks29 decks
-5%synergy
Dismiss into Dream
10%inclusion3 decks29 decks
10%synergy
Dissipation Field
6.9%inclusion2 decks29 decks
6%synergy
Wizard Class
6.9%inclusion2 decks29 decks
1%synergy
Omniscience
6.9%inclusion2 decks29 decks
2%synergy
Asceticism
6.9%inclusion2 decks29 decks
3%synergy
Death's Presence
6.9%inclusion2 decks29 decks
6%synergy
Wilderness Reclamation
6.9%inclusion2 decks29 decks
-2%synergy
Followed Footsteps
6.9%inclusion2 decks29 decks
6%synergy
Song of the Dryads
6.9%inclusion2 decks29 decks
5%synergy
Battles
Invasion of Zendikar
6.9%inclusion2 decks29 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
48%inclusion14 decks29 decks
41%synergy
Utility Lands
Reliquary Tower
76%inclusion22 decks29 decks
26%synergy
Boseiju, Who Endures
55%inclusion16 decks29 decks
33%synergy
Command Beacon
41%inclusion12 decks29 decks
37%synergy
Yavimaya, Cradle of Growth
38%inclusion11 decks29 decks
16%synergy
Mistrise Village
32%inclusion7 decks22 decks
21%synergy
Evendo, Waking Haven
29%inclusion4 decks14 decks
24%synergy
Temple of the False God
24%inclusion7 decks29 decks
9%synergy
Three Tree City
24%inclusion7 decks29 decks
19%synergy
Otawara, Soaring City
24%inclusion7 decks29 decks
5%synergy
Mystic Sanctuary
14%inclusion4 decks29 decks
1%synergy
Alchemist's Refuge
14%inclusion4 decks29 decks
-4%synergy
Homeward Path
14%inclusion4 decks29 decks
12%synergy
Rogue's Passage
14%inclusion4 decks29 decks
-8%synergy
Castle Garenbrig
14%inclusion4 decks29 decks
9%synergy
Shifting Woodland
10%inclusion3 decks29 decks
4%synergy
Wasteland
6.9%inclusion2 decks29 decks
6%synergy
Rivendell
6.9%inclusion2 decks29 decks
1%synergy
Urza's Saga
6.9%inclusion2 decks29 decks
1%synergy
Scavenger Grounds
6.9%inclusion2 decks29 decks
3%synergy
Glacial Chasm
6.9%inclusion2 decks29 decks
6%synergy
Coral Atoll
6.9%inclusion2 decks29 decks
4%synergy
Field of the Dead
6.9%inclusion2 decks29 decks
1%synergy
Jungle Basin
6.9%inclusion2 decks29 decks
4%synergy
Thespian's Stage
6.9%inclusion2 decks29 decks
0%synergy
Lumbering Falls
6.9%inclusion2 decks29 decks
0%synergy
Strip Mine
6.9%inclusion2 decks29 decks
4%synergy
Zanarkand, Ancient Metropolis
5.6%inclusion1 decks18 decks
5%synergy
Mana Artifacts
Sol Ring
100%inclusion29 decks29 decks
19%synergy
Arcane Signet
86%inclusion25 decks29 decks
23%synergy
Thought Vessel
28%inclusion8 decks29 decks
7%synergy
Talisman of Curiosity
24%inclusion7 decks29 decks
3%synergy
Simic Signet
17%inclusion5 decks29 decks
-15%synergy
Basalt Monolith
14%inclusion4 decks29 decks
7%synergy
Mana Vault
14%inclusion4 decks29 decks
8%synergy
Thran Dynamo
10%inclusion3 decks29 decks
8%synergy
Chromatic Lantern
6.9%inclusion2 decks29 decks
5%synergy
Chrome Mox
6.9%inclusion2 decks29 decks
0%synergy
Lands
Command Tower
100%inclusion29 decks29 decks
15%synergy
Island
90%inclusion26 decks29 decks
-6%synergy
Forest
90%inclusion26 decks29 decks
-6%synergy
Breeding Pool
83%inclusion24 decks29 decks
38%synergy
Dreamroot Cascade
72%inclusion21 decks29 decks
31%synergy
Rejuvenating Springs
69%inclusion20 decks29 decks
25%synergy
Misty Rainforest
66%inclusion19 decks29 decks
34%synergy
Yavimaya Coast
62%inclusion18 decks29 decks
10%synergy
Hinterland Harbor
62%inclusion18 decks29 decks
3%synergy
Simic Growth Chamber
52%inclusion15 decks29 decks
3%synergy
Barkchannel Pathway
52%inclusion15 decks29 decks
31%synergy
Flooded Grove
41%inclusion12 decks29 decks
1%synergy
Willowrush Verge
32%inclusion9 decks28 decks
17%synergy
Tropical Island
31%inclusion9 decks29 decks
17%synergy
Fabled Passage
24%inclusion7 decks29 decks
10%synergy
Vineglimmer Snarl
24%inclusion7 decks29 decks
-14%synergy
Botanical Sanctum
24%inclusion7 decks29 decks
12%synergy
Hedge Maze
24%inclusion7 decks29 decks
5%synergy
Bala Ged Recovery
24%inclusion7 decks29 decks
14%synergy
Myriad Landscape
21%inclusion6 decks29 decks
-2%synergy
Exotic Orchard
21%inclusion6 decks29 decks
-3%synergy
Snow-Covered Island
21%inclusion6 decks29 decks
14%synergy
Snow-Covered Forest
21%inclusion6 decks29 decks
14%synergy
Reflecting Pool
21%inclusion6 decks29 decks
18%synergy
Sea Gate Restoration
21%inclusion6 decks29 decks
15%synergy
Sink into Stupor
21%inclusion6 decks29 decks
9%synergy
Windswept Heath
17%inclusion5 decks29 decks
7%synergy
Waterlogged Grove
17%inclusion5 decks29 decks
-3%synergy
Temple of Mystery
17%inclusion5 decks29 decks
-21%synergy
Rimewood Falls
17%inclusion5 decks29 decks
8%synergy
Evolving Wilds
17%inclusion5 decks29 decks
-8%synergy
Tangled Islet
14%inclusion4 decks29 decks
-3%synergy
Verdant Catacombs
14%inclusion4 decks29 decks
4%synergy
Cavern of Souls
14%inclusion4 decks29 decks
8%synergy
Blighted Woodland
10%inclusion3 decks29 decks
3%synergy
Terramorphic Expanse
10%inclusion3 decks29 decks
-10%synergy
Bridgeworks Battle
10%inclusion3 decks29 decks
6%synergy
Glasspool Mimic
10%inclusion3 decks29 decks
6%synergy
Flooded Strand
10%inclusion3 decks29 decks
-1%synergy
Prismatic Vista
6.9%inclusion2 decks29 decks
-1%synergy
Littjara Mirrorlake
6.9%inclusion2 decks29 decks
3%synergy
Talon Gates of Madara
6.9%inclusion2 decks29 decks
-1%synergy
Path of Ancestry
6.9%inclusion2 decks29 decks
-11%synergy
Polluted Delta
6.9%inclusion2 decks29 decks
-3%synergy
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