Koma, Cosmos Serpent (Commander) - Budget Optimized

Koma, Cosmos Serpent
Rank #289
24decks
As CommanderAs CardAverage DeckDecks
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Budget
Any$$$$
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
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Mana Artifacts
Lands
Back to Top
Chameleon, Master of Disguise
11%inclusion1 decks9 decks
9%synergy
Hide on the Ceiling
11%inclusion1 decks9 decks
10%synergy
High Synergy Cards
Junk Winder
67%inclusion16 decks24 decks
60%synergy
Koma, World-Eater
67%inclusion16 decks24 decks
53%synergy
Serpent of Yawning Depths
58%inclusion14 decks24 decks
52%synergy
Adrix and Nev, Twincasters
58%inclusion14 decks24 decks
50%synergy
Spark Double
58%inclusion14 decks24 decks
49%synergy
Arixmethes, Slumbering Isle
54%inclusion13 decks24 decks
41%synergy
Whelming Wave
50%inclusion12 decks24 decks
39%synergy
Ohran Frostfang
42%inclusion10 decks24 decks
38%synergy
Double Major
46%inclusion11 decks24 decks
37%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion12 decks24 decks
33%synergy
Top Cards
Cultivate
79%inclusion19 decks24 decks
32%synergy
Counterspell
67%inclusion16 decks24 decks
16%synergy
Kodama's Reach
67%inclusion16 decks24 decks
30%synergy
Rampant Growth
58%inclusion14 decks24 decks
18%synergy
Llanowar Elves
54%inclusion13 decks24 decks
26%synergy
Growth Spiral
50%inclusion12 decks24 decks
6%synergy
Tatyova, Benthic Druid
50%inclusion12 decks24 decks
18%synergy
Murkfiend Liege
46%inclusion11 decks24 decks
31%synergy
Hullbreaker Horror
46%inclusion11 decks24 decks
28%synergy
Negate
46%inclusion11 decks24 decks
20%synergy
Game Changers
Worldly Tutor
25%inclusion6 decks24 decks
9%synergy
Seedborn Muse
25%inclusion6 decks24 decks
9%synergy
Mystical Tutor
21%inclusion5 decks24 decks
11%synergy
Cyclonic Rift
21%inclusion5 decks24 decks
-6%synergy
Narset, Parter of Veils
13%inclusion3 decks24 decks
11%synergy
Fierce Guardianship
13%inclusion3 decks24 decks
-5%synergy
Rhystic Study
13%inclusion3 decks24 decks
-10%synergy
Creatures
Sakura-Tribe Elder
42%inclusion10 decks24 decks
22%synergy
Elvish Mystic
38%inclusion9 decks24 decks
13%synergy
Slinn Voda, the Rising Deep
38%inclusion9 decks24 decks
31%synergy
Sakashima the Impostor
33%inclusion8 decks24 decks
31%synergy
Esix, Fractal Bloom
29%inclusion7 decks24 decks
25%synergy
Garruk's Packleader
29%inclusion7 decks24 decks
27%synergy
Scourge of Fleets
25%inclusion6 decks24 decks
17%synergy
Birds of Paradise
25%inclusion6 decks24 decks
-3%synergy
Xolatoyac, the Smiling Flood
25%inclusion6 decks24 decks
17%synergy
Coiling Oracle
25%inclusion6 decks24 decks
12%synergy
Archetype of Imagination
25%inclusion6 decks24 decks
21%synergy
Craterhoof Behemoth
25%inclusion6 decks24 decks
16%synergy
Spawning Kraken
25%inclusion6 decks24 decks
18%synergy
Nadir Kraken
21%inclusion5 decks24 decks
17%synergy
Fyndhorn Elves
21%inclusion5 decks24 decks
5%synergy
Solemn Simulacrum
21%inclusion5 decks24 decks
15%synergy
Stormtide Leviathan
21%inclusion5 decks24 decks
15%synergy
Enduring Vitality
21%inclusion5 decks24 decks
13%synergy
Fanatic of Rhonas
21%inclusion5 decks24 decks
15%synergy
Nezahal, Primal Tide
21%inclusion5 decks24 decks
10%synergy
Inga and Esika
21%inclusion5 decks24 decks
18%synergy
Sakashima of a Thousand Faces
21%inclusion5 decks24 decks
16%synergy
Clever Impersonator
17%inclusion4 decks24 decks
12%synergy
Octomancer
17%inclusion4 decks24 decks
12%synergy
Wonder
17%inclusion4 decks24 decks
14%synergy
Reclamation Sage
17%inclusion4 decks24 decks
2%synergy
Curiosity Crafter
17%inclusion4 decks24 decks
13%synergy
Saryth, the Viper's Fang
17%inclusion4 decks24 decks
15%synergy
Stormsurge Kraken
13%inclusion3 decks24 decks
8%synergy
Moritte of the Frost
13%inclusion3 decks24 decks
11%synergy
Progenitor Mimic
13%inclusion3 decks24 decks
8%synergy
Kiora, Sovereign of the Deep
13%inclusion3 decks24 decks
10%synergy
Tolarian Terror
13%inclusion3 decks24 decks
12%synergy
Kodama of the East Tree
13%inclusion3 decks24 decks
7%synergy
Reef Worm
13%inclusion3 decks24 decks
9%synergy
Loot, Exuberant Explorer
13%inclusion3 decks24 decks
5%synergy
Rampaging Baloths
13%inclusion3 decks24 decks
-5%synergy
Azusa, Lost but Seeking
13%inclusion3 decks24 decks
-2%synergy
Kinnan, Bonder Prodigy
13%inclusion3 decks24 decks
9%synergy
Benthic Anomaly
13%inclusion3 decks24 decks
10%synergy
Maraleaf Pixie
13%inclusion3 decks24 decks
7%synergy
Jaheira, Friend of the Forest
13%inclusion3 decks24 decks
8%synergy
Grappling Kraken
13%inclusion3 decks24 decks
8%synergy
Roaming Throne
13%inclusion3 decks24 decks
4%synergy
Kiora, the Rising Tide
13%inclusion3 decks24 decks
9%synergy
Tireless Provisioner
13%inclusion3 decks24 decks
-3%synergy
Sword Coast Serpent
13%inclusion3 decks24 decks
11%synergy
Sea-Dasher Octopus
8.3%inclusion2 decks24 decks
6%synergy
Thryx, the Sudden Storm
8.3%inclusion2 decks24 decks
6%synergy
Eternal Witness
8.3%inclusion2 decks24 decks
-13%synergy
Instants
Beast Within
42%inclusion10 decks24 decks
-9%synergy
Second Harvest
38%inclusion9 decks24 decks
31%synergy
Reality Shift
38%inclusion9 decks24 decks
23%synergy
Pongify
33%inclusion8 decks24 decks
9%synergy
Return of the Wildspeaker
29%inclusion7 decks24 decks
19%synergy
Rapid Hybridization
25%inclusion6 decks24 decks
-1%synergy
Snakeskin Veil
25%inclusion6 decks24 decks
19%synergy
Brainstorm
21%inclusion5 decks24 decks
7%synergy
Arcane Denial
21%inclusion5 decks24 decks
-2%synergy
An Offer You Can't Refuse
21%inclusion5 decks24 decks
-2%synergy
Decisive Denial
21%inclusion5 decks24 decks
16%synergy
Heroic Intervention
17%inclusion4 decks24 decks
-13%synergy
Plasm Capture
17%inclusion4 decks24 decks
13%synergy
Refute
17%inclusion4 decks24 decks
14%synergy
Harrow
17%inclusion4 decks24 decks
5%synergy
Strix Serenade
17%inclusion4 decks24 decks
13%synergy
Voidslime
17%inclusion4 decks24 decks
12%synergy
Krosan Grip
13%inclusion3 decks24 decks
4%synergy
Return to Nature
13%inclusion3 decks24 decks
7%synergy
Noxious Revival
13%inclusion3 decks24 decks
6%synergy
Shore Up
13%inclusion3 decks24 decks
10%synergy
Eureka Moment
13%inclusion3 decks24 decks
2%synergy
Opt
13%inclusion3 decks24 decks
5%synergy
Resculpt
13%inclusion3 decks24 decks
6%synergy
Archdruid's Charm
13%inclusion3 decks24 decks
6%synergy
Mystic Reflection
13%inclusion3 decks24 decks
10%synergy
Snap
13%inclusion3 decks24 decks
8%synergy
Annul
13%inclusion3 decks24 decks
12%synergy
Blinding Fog
8.3%inclusion2 decks24 decks
8%synergy
Force of Vigor
8.3%inclusion2 decks24 decks
4%synergy
Chord of Calling
8.3%inclusion2 decks24 decks
1%synergy
Planar Genesis
8.3%inclusion2 decks24 decks
-3%synergy
Arachnogenesis
8.3%inclusion2 decks24 decks
6%synergy
Mystic Confluence
8.3%inclusion2 decks24 decks
5%synergy
Hunter's Insight
8.3%inclusion2 decks24 decks
7%synergy
Khalni Ambush
8.3%inclusion2 decks24 decks
6%synergy
Tyvar's Stand
8.3%inclusion2 decks24 decks
5%synergy
Keep Safe
8.3%inclusion2 decks24 decks
8%synergy
Evolution Charm
8.3%inclusion2 decks24 decks
8%synergy
Aetherize
8.3%inclusion2 decks24 decks
-3%synergy
Unsummon
8.3%inclusion2 decks24 decks
7%synergy
Swan Song
8.3%inclusion2 decks24 decks
-11%synergy
Joint Exploration
8.3%inclusion2 decks24 decks
2%synergy
Disdainful Stroke
8.3%inclusion2 decks24 decks
7%synergy
Incubation // Incongruity
8.3%inclusion2 decks24 decks
6%synergy
Time Stop
8.3%inclusion2 decks24 decks
8%synergy
Bane's Contingency
8.3%inclusion2 decks24 decks
8%synergy
Wash Away
8.3%inclusion2 decks24 decks
7%synergy
Tamiyo's Safekeeping
8.3%inclusion2 decks24 decks
3%synergy
Sorceries
Nature's Lore
42%inclusion10 decks24 decks
11%synergy
Skyshroud Claim
38%inclusion9 decks24 decks
28%synergy
Farseek
38%inclusion9 decks24 decks
14%synergy
Irenicus's Vile Duplication
33%inclusion8 decks24 decks
27%synergy
Explore
29%inclusion7 decks24 decks
9%synergy
Rite of Replication
29%inclusion7 decks24 decks
22%synergy
Three Visits
21%inclusion5 decks24 decks
-2%synergy
River's Rebuke
17%inclusion4 decks24 decks
14%synergy
Finale of Devastation
17%inclusion4 decks24 decks
5%synergy
Migration Path
17%inclusion4 decks24 decks
13%synergy
Overwhelming Stampede
17%inclusion4 decks24 decks
5%synergy
Titania's Command
13%inclusion3 decks24 decks
11%synergy
Search for Tomorrow
13%inclusion3 decks24 decks
8%synergy
Urban Evolution
13%inclusion3 decks24 decks
3%synergy
Aggressive Biomancy
13%inclusion3 decks24 decks
7%synergy
Rishkar's Expertise
13%inclusion3 decks24 decks
4%synergy
Quantum Misalignment
8.3%inclusion2 decks24 decks
5%synergy
Gitaxian Probe
8.3%inclusion2 decks24 decks
6%synergy
Bushwhack
8.3%inclusion2 decks24 decks
6%synergy
Ponder
8.3%inclusion2 decks24 decks
1%synergy
Atraxa's Fall
8.3%inclusion2 decks24 decks
8%synergy
Harmonize
8.3%inclusion2 decks24 decks
3%synergy
Preordain
8.3%inclusion2 decks24 decks
0%synergy
Shamanic Revelation
8.3%inclusion2 decks24 decks
3%synergy
Ravenform
8.3%inclusion2 decks24 decks
4%synergy
Nissa's Pilgrimage
8.3%inclusion2 decks24 decks
7%synergy
Circuitous Route
8.3%inclusion2 decks24 decks
6%synergy
Broken Bond
8.3%inclusion2 decks24 decks
3%synergy
Explosive Vegetation
8.3%inclusion2 decks24 decks
3%synergy
Distant Melody
8.3%inclusion2 decks24 decks
5%synergy
Bala Ged Recovery
8.3%inclusion2 decks24 decks
-2%synergy
Utility Artifacts
Swiftfoot Boots
46%inclusion11 decks24 decks
20%synergy
Combine Chrysalis
29%inclusion7 decks24 decks
25%synergy
Emerald Medallion
29%inclusion7 decks24 decks
26%synergy
Mirror Box
29%inclusion7 decks24 decks
26%synergy
Sapphire Medallion
29%inclusion7 decks24 decks
26%synergy
Lightning Greaves
25%inclusion6 decks24 decks
3%synergy
Giant's Amulet
17%inclusion4 decks24 decks
16%synergy
Helm of the Host
13%inclusion3 decks24 decks
7%synergy
Winter Moon
13%inclusion3 decks24 decks
12%synergy
Torpor Orb
13%inclusion3 decks24 decks
12%synergy
Wayfarer's Bauble
8.3%inclusion2 decks24 decks
7%synergy
Weathered Runestone
8.3%inclusion2 decks24 decks
8%synergy
Banner of Kinship
8.3%inclusion2 decks24 decks
6%synergy
Whispersilk Cloak
8.3%inclusion2 decks24 decks
6%synergy
Eldrazi Monument
8.3%inclusion2 decks24 decks
8%synergy
Glaring Spotlight
8.3%inclusion2 decks24 decks
8%synergy
Vexing Bauble
8.3%inclusion2 decks24 decks
8%synergy
The Water Crystal
5.9%inclusion1 decks17 decks
5%synergy
Enchantments
Doubling Season
42%inclusion10 decks24 decks
32%synergy
Elemental Bond
38%inclusion9 decks24 decks
32%synergy
Parallel Lives
33%inclusion8 decks24 decks
27%synergy
Garruk's Uprising
29%inclusion7 decks24 decks
13%synergy
Tribute to the World Tree
29%inclusion7 decks24 decks
22%synergy
Primal Vigor
25%inclusion6 decks24 decks
22%synergy
Kindred Discovery
25%inclusion6 decks24 decks
15%synergy
Mystic Remora
21%inclusion5 decks24 decks
5%synergy
Defense of the Heart
17%inclusion4 decks24 decks
14%synergy
Asceticism
17%inclusion4 decks24 decks
13%synergy
Unnatural Growth
13%inclusion3 decks24 decks
9%synergy
In Search of Greatness
13%inclusion3 decks24 decks
11%synergy
Propaganda
13%inclusion3 decks24 decks
6%synergy
Beastmaster Ascension
13%inclusion3 decks24 decks
9%synergy
Growing Rites of Itlimoc
13%inclusion3 decks24 decks
6%synergy
Cryptolith Rite
13%inclusion3 decks24 decks
9%synergy
Paradox Haze
13%inclusion3 decks24 decks
12%synergy
Extravagant Replication
8.3%inclusion2 decks24 decks
6%synergy
Unable to Scream
8.3%inclusion2 decks24 decks
7%synergy
Hall of Gemstone
8.3%inclusion2 decks24 decks
8%synergy
Stasis Field
8.3%inclusion2 decks24 decks
8%synergy
Copy Enchantment
8.3%inclusion2 decks24 decks
7%synergy
Bounty of the Luxa
8.3%inclusion2 decks24 decks
7%synergy
Back to Basics
8.3%inclusion2 decks24 decks
8%synergy
Ominous Seas
8.3%inclusion2 decks24 decks
4%synergy
Kiora Bests the Sea God
8.3%inclusion2 decks24 decks
7%synergy
Amphibian Downpour
8.3%inclusion2 decks24 decks
3%synergy
Kenrith's Transformation
8.3%inclusion2 decks24 decks
4%synergy
Stasis
8.3%inclusion2 decks24 decks
8%synergy
Retreat to Coralhelm
8.3%inclusion2 decks24 decks
-2%synergy
Confounding Conundrum
8.3%inclusion2 decks24 decks
8%synergy
Utopia Sprawl
8.3%inclusion2 decks24 decks
2%synergy
Freed from the Real
8.3%inclusion2 decks24 decks
4%synergy
Imprisoned in the Moon
8.3%inclusion2 decks24 decks
4%synergy
Utter Insignificance
8.3%inclusion2 decks24 decks
8%synergy
Vesuvan Duplimancy
8.3%inclusion2 decks24 decks
6%synergy
Witness Protection
8.3%inclusion2 decks24 decks
6%synergy
Eaten by Piranhas
8.3%inclusion2 decks24 decks
6%synergy
Moonlit Meditation
7.7%inclusion1 decks13 decks
6%synergy
Battles
Invasion of Segovia
8.3%inclusion2 decks24 decks
8%synergy
Planeswalkers
Oko, Thief of Crowns
21%inclusion5 decks24 decks
14%synergy
Nissa, Who Shakes the World
17%inclusion4 decks24 decks
13%synergy
Tamiyo, Compleated Sage
13%inclusion3 decks24 decks
11%synergy
Kiora, the Crashing Wave
13%inclusion3 decks24 decks
10%synergy
Kiora, Master of the Depths
8.3%inclusion2 decks24 decks
6%synergy
Utility Lands
Rogue's Passage
38%inclusion9 decks24 decks
16%synergy
Mosswort Bridge
33%inclusion8 decks24 decks
16%synergy
Reliquary Tower
33%inclusion8 decks24 decks
-17%synergy
Temple of the False God
21%inclusion5 decks24 decks
5%synergy
Castle Vantress
13%inclusion3 decks24 decks
6%synergy
Castle Garenbrig
13%inclusion3 decks24 decks
8%synergy
Mystic Sanctuary
13%inclusion3 decks24 decks
0%synergy
Restless Vinestalk
8.3%inclusion2 decks24 decks
2%synergy
Alchemist's Refuge
8.3%inclusion2 decks24 decks
-9%synergy
Tranquil Thicket
8.3%inclusion2 decks24 decks
4%synergy
Mana Artifacts
Sol Ring
79%inclusion19 decks24 decks
-2%synergy
Arcane Signet
75%inclusion18 decks24 decks
12%synergy
Simic Signet
33%inclusion8 decks24 decks
1%synergy
Thought Vessel
29%inclusion7 decks24 decks
9%synergy
Talisman of Curiosity
21%inclusion5 decks24 decks
-1%synergy
Commander's Sphere
13%inclusion3 decks24 decks
4%synergy
Pristine Talisman
8.3%inclusion2 decks24 decks
8%synergy
Moss Diamond
8.3%inclusion2 decks24 decks
7%synergy
Sky Diamond
8.3%inclusion2 decks24 decks
7%synergy
Fellwar Stone
8.3%inclusion2 decks24 decks
-1%synergy
Blitzball
5.9%inclusion1 decks17 decks
6%synergy
Herd Heirloom
5.0%inclusion1 decks20 decks
2%synergy
Lands
Island
96%inclusion23 decks24 decks
0%synergy
Forest
96%inclusion23 decks24 decks
1%synergy
Command Tower
79%inclusion19 decks24 decks
-6%synergy
Hinterland Harbor
71%inclusion17 decks24 decks
12%synergy
Flooded Grove
58%inclusion14 decks24 decks
18%synergy
Temple of Mystery
54%inclusion13 decks24 decks
16%synergy
Yavimaya Coast
50%inclusion12 decks24 decks
-2%synergy
Simic Growth Chamber
46%inclusion11 decks24 decks
-3%synergy
Vineglimmer Snarl
46%inclusion11 decks24 decks
7%synergy
Rejuvenating Springs
38%inclusion9 decks24 decks
-7%synergy
Dreamroot Cascade
33%inclusion8 decks24 decks
-8%synergy
Thornwood Falls
33%inclusion8 decks24 decks
15%synergy
Evolving Wilds
29%inclusion7 decks24 decks
4%synergy
Breeding Pool
25%inclusion6 decks24 decks
-20%synergy
Overflowing Basin
25%inclusion6 decks24 decks
6%synergy
Path of Ancestry
25%inclusion6 decks24 decks
7%synergy
Willowrush Verge
22%inclusion5 decks23 decks
6%synergy
Fabled Passage
21%inclusion5 decks24 decks
6%synergy
Terramorphic Expanse
21%inclusion5 decks24 decks
1%synergy
Tangled Islet
21%inclusion5 decks24 decks
4%synergy
Simic Guildgate
17%inclusion4 decks24 decks
6%synergy
Exotic Orchard
17%inclusion4 decks24 decks
-7%synergy
Barkchannel Pathway
17%inclusion4 decks24 decks
-4%synergy
Thriving Grove
17%inclusion4 decks24 decks
15%synergy
Rimewood Falls
13%inclusion3 decks24 decks
3%synergy
Littjara Mirrorlake
13%inclusion3 decks24 decks
8%synergy
Myriad Landscape
8.3%inclusion2 decks24 decks
-14%synergy
Brokers Hideout
8.3%inclusion2 decks24 decks
3%synergy
Glasspool Mimic
8.3%inclusion2 decks24 decks
4%synergy
Hedge Maze
8.3%inclusion2 decks24 decks
-11%synergy
Khalni Ambush
8.3%inclusion2 decks24 decks
6%synergy
Thriving Isle
8.3%inclusion2 decks24 decks
6%synergy
Waterlogged Grove
8.3%inclusion2 decks24 decks
-12%synergy
Botanical Sanctum
8.3%inclusion2 decks24 decks
-4%synergy
Misty Rainforest
8.3%inclusion2 decks24 decks
-23%synergy
Quandrix Campus
8.3%inclusion2 decks24 decks
1%synergy
Secluded Courtyard
8.3%inclusion2 decks24 decks
1%synergy
Bala Ged Recovery
8.3%inclusion2 decks24 decks
-2%synergy
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