Koma, Cosmos Serpent (Commander)

Koma, Cosmos Serpent
Rank #288
6,550decks
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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
10%inclusion70 decks726 decks
8%synergy
Impostor Syndrome
7.8%inclusion58 decks739 decks
6%synergy
Spider-Sense
1.7%inclusion12 decks718 decks
0%synergy
The Clone Saga
1.4%inclusion11 decks770 decks
1%synergy
Amazing Acrobatics
1.0%inclusion7 decks718 decks
0%synergy
High Synergy Cards
Adrix and Nev, Twincasters
76%inclusion4.98K decks6.55K decks
68%synergy
Whelming Wave
73%inclusion4.80K decks6.55K decks
62%synergy
Elemental Bond
67%inclusion4.41K decks6.55K decks
62%synergy
Spark Double
64%inclusion4.17K decks6.55K decks
54%synergy
Koma, World-Eater
64%inclusion2.70K decks4.20K decks
51%synergy
Junk Winder
57%inclusion3.74K decks6.55K decks
50%synergy
Parallel Lives
54%inclusion3.57K decks6.55K decks
48%synergy
Serpent of Yawning Depths
54%inclusion3.55K decks6.55K decks
48%synergy
Irenicus's Vile Duplication
53%inclusion3.46K decks6.55K decks
47%synergy
Sakashima of a Thousand Faces
50%inclusion3.27K decks6.55K decks
45%synergy
Top Cards
Cultivate
78%inclusion5.13K decks6.55K decks
31%synergy
Counterspell
74%inclusion4.84K decks6.55K decks
24%synergy
Kodama's Reach
71%inclusion4.63K decks6.55K decks
34%synergy
Rampant Growth
69%inclusion4.52K decks6.55K decks
28%synergy
Beast Within
62%inclusion4.04K decks6.55K decks
11%synergy
Nature's Lore
58%inclusion3.81K decks6.55K decks
28%synergy
Growth Spiral
57%inclusion3.70K decks6.55K decks
12%synergy
Heroic Intervention
54%inclusion3.51K decks6.55K decks
24%synergy
Farseek
53%inclusion3.47K decks6.55K decks
29%synergy
Aesi, Tyrant of Gyre Strait
52%inclusion3.41K decks6.55K decks
35%synergy
Game Changers
Cyclonic Rift
44%inclusion2.91K decks6.55K decks
18%synergy
Rhystic Study
41%inclusion2.67K decks6.55K decks
19%synergy
Fierce Guardianship
33%inclusion2.15K decks6.55K decks
15%synergy
Seedborn Muse
29%inclusion1.90K decks6.55K decks
13%synergy
Worldly Tutor
23%inclusion1.51K decks6.55K decks
7%synergy
Consecrated Sphinx
21%inclusion1.36K decks6.55K decks
12%synergy
Mystical Tutor
17%inclusion1.12K decks6.55K decks
7%synergy
Force of Will
14%inclusion944 decks6.55K decks
4%synergy
Ancient Tomb
13%inclusion865 decks6.55K decks
4%synergy
Gaea's Cradle
10%inclusion665 decks6.55K decks
3%synergy
Creatures
Llanowar Elves
48%inclusion3.15K decks6.55K decks
20%synergy
Spawning Kraken
48%inclusion3.12K decks6.55K decks
40%synergy
Birds of Paradise
45%inclusion2.98K decks6.55K decks
18%synergy
Arixmethes, Slumbering Isle
41%inclusion2.71K decks6.55K decks
28%synergy
Sakura-Tribe Elder
39%inclusion2.57K decks6.55K decks
20%synergy
Sakashima the Impostor
39%inclusion2.54K decks6.55K decks
36%synergy
Elvish Mystic
38%inclusion2.47K decks6.55K decks
13%synergy
Tatyova, Benthic Druid
37%inclusion2.45K decks6.55K decks
6%synergy
Murkfiend Liege
36%inclusion2.33K decks6.55K decks
20%synergy
Garruk's Packleader
33%inclusion2.17K decks6.55K decks
31%synergy
Craterhoof Behemoth
31%inclusion2.03K decks6.55K decks
22%synergy
Hullbreaker Horror
30%inclusion1.97K decks6.55K decks
12%synergy
Eternal Witness
29%inclusion1.93K decks6.55K decks
8%synergy
Ohran Frostfang
28%inclusion1.86K decks6.55K decks
25%synergy
Fyndhorn Elves
28%inclusion1.85K decks6.55K decks
12%synergy
Roaming Throne
27%inclusion1.78K decks6.52K decks
19%synergy
Summon: Leviathan
26%inclusion523 decks1.99K decks
19%synergy
Octomancer
25%inclusion1.24K decks4.96K decks
20%synergy
Slinn Voda, the Rising Deep
25%inclusion1.63K decks6.55K decks
18%synergy
Enduring Vitality
25%inclusion1.15K decks4.65K decks
17%synergy
Esix, Fractal Bloom
24%inclusion1.60K decks6.55K decks
20%synergy
Archetype of Imagination
22%inclusion1.44K decks6.55K decks
18%synergy
Coiling Oracle
20%inclusion1.33K decks6.55K decks
7%synergy
Fanatic of Rhonas
19%inclusion1.02K decks5.27K decks
14%synergy
Scourge of Fleets
16%inclusion1.06K decks6.55K decks
8%synergy
Reclamation Sage
15%inclusion979 decks6.55K decks
0%synergy
Curiosity Crafter
15%inclusion978 decks6.55K decks
11%synergy
Nezahal, Primal Tide
15%inclusion969 decks6.55K decks
4%synergy
Scute Swarm
15%inclusion959 decks6.55K decks
-6%synergy
Xolatoyac, the Smiling Flood
14%inclusion941 decks6.51K decks
7%synergy
Delighted Halfling
14%inclusion904 decks6.55K decks
3%synergy
Enduring Curiosity
14%inclusion639 decks4.71K decks
10%synergy
Nadir Kraken
13%inclusion882 decks6.55K decks
9%synergy
Avenger of Zendikar
13%inclusion868 decks6.55K decks
-5%synergy
Toski, Bearer of Secrets
13%inclusion845 decks6.55K decks
9%synergy
Starwinder
13%inclusion164 decks1.30K decks
6%synergy
Troyan, Gutsy Explorer
12%inclusion812 decks6.55K decks
9%synergy
Azusa, Lost but Seeking
12%inclusion800 decks6.55K decks
-2%synergy
Stormtide Leviathan
12%inclusion783 decks6.55K decks
6%synergy
Saryth, the Viper's Fang
12%inclusion755 decks6.55K decks
10%synergy
Rampaging Baloths
11%inclusion743 decks6.55K decks
-6%synergy
Circle of Dreams Druid
10%inclusion666 decks6.55K decks
8%synergy
Progenitor Mimic
10%inclusion664 decks6.55K decks
5%synergy
Lotus Cobra
10%inclusion658 decks6.55K decks
-4%synergy
Uro, Titan of Nature's Wrath
10%inclusion658 decks6.55K decks
0%synergy
Jaheira, Friend of the Forest
10%inclusion649 decks6.55K decks
6%synergy
Inga and Esika
10%inclusion640 decks6.55K decks
7%synergy
Clever Impersonator
10%inclusion625 decks6.55K decks
5%synergy
Kiora, Sovereign of the Deep
9.4%inclusion618 decks6.55K decks
7%synergy
Auton Soldier
9.3%inclusion611 decks6.55K decks
7%synergy
Instants
Double Major
47%inclusion3.09K decks6.55K decks
39%synergy
Negate
47%inclusion3.07K decks6.55K decks
21%synergy
Pongify
39%inclusion2.56K decks6.55K decks
14%synergy
Arcane Denial
37%inclusion2.42K decks6.55K decks
14%synergy
Second Harvest
37%inclusion2.42K decks6.55K decks
30%synergy
An Offer You Can't Refuse
36%inclusion2.34K decks6.55K decks
13%synergy
Mana Drain
35%inclusion2.26K decks6.55K decks
19%synergy
Return of the Wildspeaker
32%inclusion2.10K decks6.55K decks
22%synergy
Swan Song
32%inclusion2.09K decks6.55K decks
13%synergy
Rapid Hybridization
31%inclusion2K decks6.55K decks
4%synergy
Krosan Grip
24%inclusion1.59K decks6.55K decks
16%synergy
Simic Charm
19%inclusion1.27K decks6.55K decks
11%synergy
Reality Shift
18%inclusion1.20K decks6.55K decks
4%synergy
Nature's Claim
17%inclusion1.09K decks6.55K decks
6%synergy
Brainstorm
16%inclusion1.05K decks6.55K decks
2%synergy
Harrow
15%inclusion976 decks6.55K decks
3%synergy
Planar Genesis
15%inclusion778 decks5.25K decks
4%synergy
Tamiyo's Safekeeping
13%inclusion854 decks6.55K decks
7%synergy
Return to Nature
13%inclusion833 decks6.55K decks
7%synergy
Voidslime
12%inclusion813 decks6.55K decks
7%synergy
Eureka Moment
12%inclusion787 decks6.55K decks
1%synergy
Aetherize
12%inclusion762 decks6.55K decks
0%synergy
Snakeskin Veil
12%inclusion760 decks6.55K decks
6%synergy
Mystic Reflection
12%inclusion758 decks6.55K decks
9%synergy
Force of Negation
11%inclusion747 decks6.55K decks
3%synergy
Plasm Capture
11%inclusion730 decks6.55K decks
8%synergy
Sink into Stupor
11%inclusion571 decks5.28K decks
0%synergy
Chord of Calling
10%inclusion673 decks6.55K decks
3%synergy
Pact of Negation
9.4%inclusion613 decks6.55K decks
2%synergy
Entish Restoration
8.4%inclusion548 decks6.55K decks
-1%synergy
Perplexing Test
8.3%inclusion546 decks6.55K decks
4%synergy
Archdruid's Charm
8.0%inclusion482 decks6.06K decks
2%synergy
Noxious Revival
7.8%inclusion514 decks6.55K decks
2%synergy
Sublime Epiphany
7.7%inclusion504 decks6.55K decks
6%synergy
Resculpt
7.6%inclusion500 decks6.55K decks
1%synergy
Disallow
7.6%inclusion495 decks6.55K decks
6%synergy
Decisive Denial
7.5%inclusion493 decks6.55K decks
2%synergy
Stubborn Denial
7.5%inclusion488 decks6.55K decks
5%synergy
Tyvar's Stand
6.8%inclusion448 decks6.55K decks
4%synergy
Narset's Reversal
6.8%inclusion447 decks6.55K decks
5%synergy
Strix Serenade
6.3%inclusion331 decks5.28K decks
2%synergy
Force of Vigor
5.9%inclusion389 decks6.55K decks
1%synergy
Lazotep Plating
5.7%inclusion374 decks6.55K decks
5%synergy
Joint Exploration
5.6%inclusion368 decks6.55K decks
0%synergy
Collective Resistance
5.5%inclusion291 decks5.28K decks
2%synergy
Auroral Procession
5.5%inclusion142 decks2.59K decks
2%synergy
Saw It Coming
5.1%inclusion337 decks6.55K decks
4%synergy
Sorceries
Three Visits
49%inclusion3.18K decks6.55K decks
26%synergy
Skyshroud Claim
38%inclusion2.47K decks6.55K decks
28%synergy
Quantum Misalignment
28%inclusion1.81K decks6.55K decks
25%synergy
Explore
28%inclusion1.80K decks6.55K decks
7%synergy
Overwhelming Stampede
24%inclusion1.56K decks6.55K decks
12%synergy
Rite of Replication
17%inclusion1.14K decks6.55K decks
10%synergy
Shamanic Revelation
17%inclusion1.11K decks6.55K decks
11%synergy
Migration Path
15%inclusion979 decks6.55K decks
11%synergy
Urban Evolution
15%inclusion959 decks6.55K decks
5%synergy
Rishkar's Expertise
14%inclusion926 decks6.55K decks
6%synergy
Triumph of the Hordes
13%inclusion851 decks6.55K decks
10%synergy
Bala Ged Recovery
13%inclusion819 decks6.55K decks
2%synergy
Distant Melody
12%inclusion814 decks6.55K decks
9%synergy
Finale of Devastation
12%inclusion802 decks6.55K decks
1%synergy
Explosive Vegetation
12%inclusion759 decks6.55K decks
6%synergy
Harmonize
11%inclusion720 decks6.55K decks
5%synergy
Curse of the Swine
9.0%inclusion587 decks6.55K decks
-2%synergy
Search for Tomorrow
8.9%inclusion582 decks6.55K decks
4%synergy
Ponder
8.4%inclusion552 decks6.55K decks
1%synergy
Regrowth
7.8%inclusion508 decks6.55K decks
4%synergy
Ravenform
7.3%inclusion479 decks6.55K decks
3%synergy
Doppelgang
7.2%inclusion436 decks6.07K decks
1%synergy
Sea Gate Restoration
6.7%inclusion439 decks6.55K decks
1%synergy
Preposterous Proportions
6.5%inclusion270 decks4.16K decks
5%synergy
Green Sun's Zenith
6.5%inclusion423 decks6.55K decks
-2%synergy
Ezuri's Predation
6.2%inclusion404 decks6.55K decks
-2%synergy
Windfall
6.2%inclusion403 decks6.55K decks
2%synergy
Preordain
5.7%inclusion372 decks6.55K decks
-3%synergy
Quasiduplicate
5.6%inclusion367 decks6.55K decks
3%synergy
Broken Bond
5.3%inclusion345 decks6.55K decks
0%synergy
Flare of Cultivation
5.1%inclusion298 decks5.81K decks
3%synergy
Utility Artifacts
Swiftfoot Boots
45%inclusion2.93K decks6.55K decks
19%synergy
Helm of the Host
43%inclusion2.84K decks6.55K decks
38%synergy
Lightning Greaves
42%inclusion2.75K decks6.55K decks
20%synergy
Combine Chrysalis
26%inclusion1.72K decks6.55K decks
22%synergy
Mirror Box
18%inclusion1.18K decks6.55K decks
14%synergy
Emerald Medallion
13%inclusion821 decks6.55K decks
10%synergy
The Great Henge
12%inclusion779 decks6.55K decks
3%synergy
Idol of Oblivion
12%inclusion756 decks6.55K decks
8%synergy
Sapphire Medallion
10%inclusion632 decks6.55K decks
7%synergy
Eldrazi Monument
10%inclusion630 decks6.55K decks
9%synergy
Bident of Thassa
9.5%inclusion619 decks6.55K decks
2%synergy
Coat of Arms
7.4%inclusion482 decks6.55K decks
6%synergy
The One Ring
6.7%inclusion438 decks6.55K decks
-1%synergy
Banner of Kinship
5.9%inclusion248 decks4.18K decks
4%synergy
Skullclamp
5.3%inclusion347 decks6.55K decks
4%synergy
Enchantments
Doubling Season
49%inclusion3.20K decks6.55K decks
39%synergy
Tribute to the World Tree
44%inclusion2.91K decks6.55K decks
38%synergy
Kindred Discovery
31%inclusion2.01K decks6.55K decks
20%synergy
Mystic Remora
28%inclusion1.85K decks6.55K decks
13%synergy
Primal Vigor
18%inclusion1.19K decks6.55K decks
15%synergy
Growing Rites of Itlimoc
18%inclusion1.16K decks6.55K decks
12%synergy
Garruk's Uprising
18%inclusion1.16K decks6.55K decks
2%synergy
Sylvan Library
16%inclusion1.04K decks6.55K decks
6%synergy
Wild Growth
15%inclusion1.01K decks6.55K decks
7%synergy
Exploration
15%inclusion967 decks6.55K decks
1%synergy
Beastmaster Ascension
15%inclusion964 decks6.55K decks
12%synergy
Cryptolith Rite
14%inclusion927 decks6.55K decks
11%synergy
Utopia Sprawl
13%inclusion868 decks6.55K decks
7%synergy
Paradox Haze
13%inclusion839 decks6.55K decks
12%synergy
Propaganda
11%inclusion697 decks6.55K decks
4%synergy
Unnatural Growth
10%inclusion651 decks6.55K decks
7%synergy
Wilderness Reclamation
10%inclusion644 decks6.55K decks
1%synergy
Defense of the Heart
9.1%inclusion597 decks6.55K decks
7%synergy
Moonlit Meditation
9.1%inclusion119 decks1.31K decks
8%synergy
Burgeoning
7.9%inclusion516 decks6.55K decks
1%synergy
Extravagant Replication
7.8%inclusion511 decks6.55K decks
5%synergy
Imprisoned in the Moon
7.6%inclusion496 decks6.55K decks
3%synergy
Kenrith's Transformation
7.5%inclusion490 decks6.55K decks
3%synergy
Asceticism
7.3%inclusion480 decks6.55K decks
4%synergy
Ominous Seas
6.8%inclusion447 decks6.55K decks
2%synergy
Verity Circle
5.8%inclusion379 decks6.55K decks
5%synergy
Dismiss into Dream
5.7%inclusion374 decks6.55K decks
5%synergy
Opposition
5.1%inclusion331 decks6.55K decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
21%inclusion1.38K decks6.55K decks
14%synergy
Kiora, the Crashing Wave
8.0%inclusion525 decks6.55K decks
5%synergy
Utility Lands
Reliquary Tower
61%inclusion4.01K decks6.55K decks
11%synergy
Boseiju, Who Endures
26%inclusion1.67K decks6.55K decks
3%synergy
Yavimaya, Cradle of Growth
24%inclusion1.59K decks6.55K decks
2%synergy
Otawara, Soaring City
21%inclusion1.38K decks6.55K decks
2%synergy
Temple of the False God
20%inclusion1.31K decks6.55K decks
4%synergy
Command Beacon
18%inclusion1.20K decks6.55K decks
14%synergy
Mosswort Bridge
16%inclusion1.08K decks6.55K decks
-1%synergy
Three Tree City
16%inclusion817 decks5.01K decks
11%synergy
Mystic Sanctuary
15%inclusion964 decks6.55K decks
2%synergy
Rogue's Passage
15%inclusion953 decks6.55K decks
-7%synergy
Castle Garenbrig
13%inclusion859 decks6.55K decks
8%synergy
Mistrise Village
12%inclusion319 decks2.59K decks
2%synergy
Alchemist's Refuge
12%inclusion775 decks6.55K decks
-6%synergy
Evendo, Waking Haven
11%inclusion145 decks1.35K decks
6%synergy
Restless Vinestalk
6.2%inclusion403 decks6.55K decks
0%synergy
Castle Vantress
5.9%inclusion385 decks6.55K decks
-1%synergy
Lumbering Falls
5.4%inclusion354 decks6.55K decks
-2%synergy
Mana Artifacts
Sol Ring
92%inclusion6.01K decks6.55K decks
11%synergy
Arcane Signet
78%inclusion5.08K decks6.55K decks
15%synergy
Simic Signet
44%inclusion2.91K decks6.55K decks
12%synergy
Thought Vessel
38%inclusion2.52K decks6.55K decks
18%synergy
Talisman of Curiosity
34%inclusion2.20K decks6.55K decks
12%synergy
Commander's Sphere
12%inclusion768 decks6.55K decks
3%synergy
Fellwar Stone
11%inclusion720 decks6.55K decks
2%synergy
Decanter of Endless Water
7.5%inclusion490 decks6.55K decks
2%synergy
Mana Vault
7.2%inclusion474 decks6.55K decks
1%synergy
Thran Dynamo
7.0%inclusion458 decks6.55K decks
4%synergy
Mind Stone
6.3%inclusion413 decks6.55K decks
2%synergy
Lands
Forest
94%inclusion6.17K decks6.55K decks
-1%synergy
Island
94%inclusion6.17K decks6.55K decks
-1%synergy
Command Tower
86%inclusion5.66K decks6.55K decks
1%synergy
Hinterland Harbor
65%inclusion4.25K decks6.55K decks
6%synergy
Yavimaya Coast
55%inclusion3.60K decks6.55K decks
2%synergy
Rejuvenating Springs
55%inclusion3.59K decks6.55K decks
11%synergy
Breeding Pool
54%inclusion3.56K decks6.55K decks
9%synergy
Simic Growth Chamber
50%inclusion3.25K decks6.55K decks
1%synergy
Dreamroot Cascade
49%inclusion3.21K decks6.55K decks
8%synergy
Flooded Grove
44%inclusion2.87K decks6.55K decks
4%synergy
Temple of Mystery
38%inclusion2.47K decks6.55K decks
-1%synergy
Misty Rainforest
36%inclusion2.38K decks6.55K decks
5%synergy
Barkchannel Pathway
36%inclusion2.34K decks6.55K decks
15%synergy
Vineglimmer Snarl
36%inclusion2.34K decks6.55K decks
-3%synergy
Myriad Landscape
27%inclusion1.78K decks6.55K decks
5%synergy
Exotic Orchard
25%inclusion1.64K decks6.55K decks
1%synergy
Evolving Wilds
23%inclusion1.48K decks6.55K decks
-3%synergy
Waterlogged Grove
22%inclusion1.42K decks6.55K decks
1%synergy
Thornwood Falls
21%inclusion1.35K decks6.55K decks
3%synergy
Tangled Islet
20%inclusion1.32K decks6.55K decks
4%synergy
Hedge Maze
19%inclusion1.18K decks6.09K decks
0%synergy
Rimewood Falls
18%inclusion1.19K decks6.55K decks
8%synergy
Fabled Passage
17%inclusion1.15K decks6.55K decks
3%synergy
Willowrush Verge
17%inclusion577 decks3.30K decks
2%synergy
Terramorphic Expanse
16%inclusion1.06K decks6.55K decks
-4%synergy
Overflowing Basin
15%inclusion868 decks5.85K decks
-4%synergy
Tropical Island
15%inclusion965 decks6.55K decks
1%synergy
Botanical Sanctum
13%inclusion853 decks6.55K decks
1%synergy
Bala Ged Recovery
13%inclusion819 decks6.55K decks
2%synergy
Sink into Stupor
11%inclusion571 decks5.28K decks
0%synergy
Simic Guildgate
11%inclusion694 decks6.55K decks
0%synergy
Path of Ancestry
10%inclusion654 decks6.55K decks
-8%synergy
Snow-Covered Island
9.4%inclusion615 decks6.55K decks
2%synergy
Snow-Covered Forest
9.4%inclusion614 decks6.55K decks
2%synergy
Glasspool Mimic
9.3%inclusion611 decks6.55K decks
5%synergy
Prismatic Vista
9.1%inclusion597 decks6.55K decks
2%synergy
Blighted Woodland
8.5%inclusion560 decks6.55K decks
1%synergy
Flooded Strand
7.8%inclusion514 decks6.55K decks
-3%synergy
Windswept Heath
7.7%inclusion506 decks6.55K decks
-3%synergy
Littjara Mirrorlake
7.7%inclusion504 decks6.55K decks
4%synergy
Verdant Catacombs
7.7%inclusion503 decks6.55K decks
-2%synergy
Polluted Delta
7.3%inclusion475 decks6.55K decks
-3%synergy
Scalding Tarn
6.9%inclusion455 decks6.55K decks
-3%synergy
Sea Gate Restoration
6.7%inclusion439 decks6.55K decks
1%synergy
Woodland Stream
6.5%inclusion423 decks6.55K decks
1%synergy
Wooded Foothills
6.4%inclusion416 decks6.55K decks
-3%synergy
Lush Oasis
5.1%inclusion284 decks5.62K decks
-1%synergy
Quandrix Campus
5.0%inclusion329 decks6.55K decks
-2%synergy
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