Koma, Cosmos Serpent (Commander) - Expensive

Koma, Cosmos Serpent
Rank #289
655decks
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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
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Chameleon, Master of Disguise
11%inclusion7 decks62 decks
9%synergy
Impostor Syndrome
7.6%inclusion5 decks66 decks
5%synergy
Spider-Sense
4.8%inclusion3 decks62 decks
3%synergy
The Clone Saga
2.9%inclusion2 decks68 decks
2%synergy
Amazing Acrobatics
1.6%inclusion1 decks62 decks
1%synergy
High Synergy Cards
Parallel Lives
82%inclusion539 decks655 decks
76%synergy
Adrix and Nev, Twincasters
83%inclusion541 decks655 decks
74%synergy
Elemental Bond
79%inclusion520 decks655 decks
74%synergy
Sakashima of a Thousand Faces
78%inclusion511 decks655 decks
73%synergy
Mana Drain
82%inclusion538 decks655 decks
66%synergy
Spark Double
72%inclusion473 decks655 decks
63%synergy
Doubling Season
70%inclusion460 decks655 decks
61%synergy
Whelming Wave
69%inclusion452 decks655 decks
58%synergy
Sakashima the Impostor
54%inclusion354 decks655 decks
51%synergy
Serpent of Yawning Depths
57%inclusion376 decks655 decks
51%synergy
Top Cards
Birds of Paradise
76%inclusion498 decks655 decks
48%synergy
Heroic Intervention
74%inclusion485 decks655 decks
44%synergy
Nature's Lore
69%inclusion449 decks655 decks
38%synergy
Three Visits
67%inclusion439 decks655 decks
44%synergy
Cultivate
67%inclusion439 decks655 decks
20%synergy
Counterspell
66%inclusion435 decks655 decks
16%synergy
Kodama's Reach
61%inclusion402 decks655 decks
24%synergy
Koma, World-Eater
61%inclusion241 decks398 decks
47%synergy
Swan Song
60%inclusion392 decks655 decks
41%synergy
Beast Within
60%inclusion391 decks655 decks
9%synergy
Game Changers
Gaea's Cradle
92%inclusion601 decks655 decks
85%synergy
Cyclonic Rift
85%inclusion556 decks655 decks
58%synergy
Rhystic Study
82%inclusion540 decks655 decks
60%synergy
Fierce Guardianship
77%inclusion503 decks655 decks
59%synergy
Ancient Tomb
59%inclusion385 decks655 decks
49%synergy
Force of Will
53%inclusion349 decks655 decks
43%synergy
Worldly Tutor
53%inclusion344 decks655 decks
37%synergy
Seedborn Muse
46%inclusion301 decks655 decks
30%synergy
Consecrated Sphinx
46%inclusion299 decks655 decks
37%synergy
Mystical Tutor
39%inclusion254 decks655 decks
29%synergy
Creatures
Craterhoof Behemoth
59%inclusion387 decks655 decks
50%synergy
Llanowar Elves
54%inclusion352 decks655 decks
26%synergy
Aesi, Tyrant of Gyre Strait
53%inclusion345 decks655 decks
36%synergy
Junk Winder
52%inclusion340 decks655 decks
45%synergy
Spawning Kraken
49%inclusion318 decks655 decks
41%synergy
Roaming Throne
48%inclusion315 decks654 decks
40%synergy
Elvish Mystic
42%inclusion276 decks655 decks
18%synergy
Fyndhorn Elves
40%inclusion262 decks655 decks
24%synergy
Enduring Vitality
35%inclusion159 decks453 decks
28%synergy
Delighted Halfling
33%inclusion216 decks655 decks
22%synergy
Ohran Frostfang
30%inclusion199 decks655 decks
27%synergy
Eternal Witness
30%inclusion197 decks655 decks
9%synergy
Arixmethes, Slumbering Isle
29%inclusion192 decks655 decks
16%synergy
Hullbreaker Horror
29%inclusion192 decks655 decks
12%synergy
Fanatic of Rhonas
28%inclusion145 decks515 decks
22%synergy
Sakura-Tribe Elder
27%inclusion180 decks655 decks
8%synergy
Murkfiend Liege
27%inclusion175 decks655 decks
12%synergy
Garruk's Packleader
25%inclusion165 decks655 decks
23%synergy
Tatyova, Benthic Druid
23%inclusion150 decks655 decks
-9%synergy
Summon: Leviathan
23%inclusion39 decks172 decks
16%synergy
Esix, Fractal Bloom
21%inclusion137 decks655 decks
17%synergy
Octomancer
18%inclusion88 decks477 decks
14%synergy
Archetype of Imagination
17%inclusion112 decks655 decks
13%synergy
Toski, Bearer of Secrets
15%inclusion99 decks655 decks
12%synergy
Azusa, Lost but Seeking
15%inclusion98 decks655 decks
1%synergy
Slinn Voda, the Rising Deep
15%inclusion98 decks655 decks
8%synergy
Kinnan, Bonder Prodigy
15%inclusion96 decks655 decks
11%synergy
Enduring Curiosity
14%inclusion64 decks457 decks
11%synergy
Circle of Dreams Druid
14%inclusion91 decks655 decks
12%synergy
Phyrexian Metamorph
13%inclusion86 decks655 decks
5%synergy
Scute Swarm
13%inclusion86 decks655 decks
-8%synergy
Avenger of Zendikar
13%inclusion82 decks655 decks
-6%synergy
Curiosity Crafter
12%inclusion80 decks655 decks
9%synergy
Saryth, the Viper's Fang
12%inclusion80 decks655 decks
10%synergy
Uro, Titan of Nature's Wrath
12%inclusion79 decks655 decks
2%synergy
Nezahal, Primal Tide
12%inclusion76 decks655 decks
0%synergy
Clever Impersonator
11%inclusion73 decks655 decks
7%synergy
Auton Soldier
11%inclusion72 decks655 decks
9%synergy
Jaheira, Friend of the Forest
10%inclusion68 decks655 decks
6%synergy
Bloom Tender
10%inclusion67 decks655 decks
6%synergy
Reclamation Sage
10%inclusion64 decks655 decks
-5%synergy
Lotus Cobra
10%inclusion63 decks655 decks
-4%synergy
Arbor Elf
9.0%inclusion59 decks655 decks
2%synergy
Glasspool Mimic
9.0%inclusion59 decks655 decks
5%synergy
Selvala, Heart of the Wilds
8.9%inclusion58 decks655 decks
6%synergy
Starwinder
8.8%inclusion9 decks102 decks
2%synergy
Progenitor Mimic
8.4%inclusion55 decks655 decks
4%synergy
Coiling Oracle
8.2%inclusion54 decks655 decks
-5%synergy
Xolatoyac, the Smiling Flood
8.1%inclusion53 decks652 decks
1%synergy
Gilded Drake
7.9%inclusion52 decks655 decks
5%synergy
Instants
Pongify
45%inclusion298 decks655 decks
21%synergy
Double Major
43%inclusion279 decks655 decks
34%synergy
An Offer You Can't Refuse
42%inclusion274 decks655 decks
19%synergy
Force of Negation
41%inclusion266 decks655 decks
32%synergy
Growth Spiral
37%inclusion240 decks655 decks
-8%synergy
Second Harvest
35%inclusion231 decks655 decks
29%synergy
Rapid Hybridization
31%inclusion205 decks655 decks
5%synergy
Arcane Denial
31%inclusion201 decks655 decks
8%synergy
Negate
29%inclusion189 decks655 decks
3%synergy
Pact of Negation
27%inclusion176 decks655 decks
20%synergy
Return of the Wildspeaker
24%inclusion157 decks655 decks
14%synergy
Chord of Calling
21%inclusion137 decks655 decks
13%synergy
Krosan Grip
20%inclusion129 decks655 decks
11%synergy
Force of Vigor
18%inclusion115 decks655 decks
13%synergy
Nature's Claim
17%inclusion114 decks655 decks
7%synergy
Sink into Stupor
17%inclusion90 decks519 decks
6%synergy
Crop Rotation
16%inclusion107 decks655 decks
3%synergy
Noxious Revival
16%inclusion104 decks655 decks
10%synergy
Archdruid's Charm
15%inclusion90 decks603 decks
9%synergy
Brainstorm
15%inclusion95 decks655 decks
0%synergy
Reality Shift
14%inclusion94 decks655 decks
0%synergy
Flusterstorm
13%inclusion84 decks655 decks
6%synergy
Disallow
11%inclusion74 decks655 decks
10%synergy
Mystic Reflection
11%inclusion73 decks655 decks
9%synergy
Voidslime
11%inclusion71 decks655 decks
6%synergy
Tamiyo's Safekeeping
10%inclusion66 decks655 decks
4%synergy
Strix Serenade
10%inclusion51 decks519 decks
6%synergy
Simic Charm
9.5%inclusion62 decks655 decks
1%synergy
Veil of Summer
8.7%inclusion57 decks655 decks
3%synergy
Resculpt
8.2%inclusion54 decks655 decks
2%synergy
Harrow
7.5%inclusion49 decks655 decks
-4%synergy
Mental Misstep
7.2%inclusion47 decks655 decks
2%synergy
Legolas's Quick Reflexes
7.2%inclusion47 decks655 decks
5%synergy
Planar Genesis
6.6%inclusion34 decks512 decks
-4%synergy
Mindbreak Trap
6.6%inclusion43 decks655 decks
2%synergy
Narset's Reversal
6.4%inclusion42 decks655 decks
5%synergy
Plasm Capture
6.3%inclusion41 decks655 decks
3%synergy
Sublime Epiphany
6.1%inclusion40 decks655 decks
4%synergy
Aetherize
6.0%inclusion39 decks655 decks
-6%synergy
Dispel
5.8%inclusion38 decks655 decks
1%synergy
Entish Restoration
5.6%inclusion37 decks655 decks
-4%synergy
Perplexing Test
5.6%inclusion37 decks655 decks
1%synergy
Stubborn Denial
5.5%inclusion36 decks655 decks
3%synergy
Tyvar's Stand
5.3%inclusion35 decks655 decks
2%synergy
Muddle the Mixture
5.0%inclusion33 decks655 decks
0%synergy
Sorceries
Irenicus's Vile Duplication
55%inclusion359 decks655 decks
49%synergy
Rampant Growth
53%inclusion345 decks655 decks
12%synergy
Farseek
50%inclusion327 decks655 decks
26%synergy
Skyshroud Claim
38%inclusion247 decks655 decks
29%synergy
Finale of Devastation
37%inclusion240 decks655 decks
25%synergy
Quantum Misalignment
33%inclusion213 decks655 decks
30%synergy
Triumph of the Hordes
23%inclusion150 decks655 decks
20%synergy
Green Sun's Zenith
20%inclusion128 decks655 decks
11%synergy
Overwhelming Stampede
19%inclusion124 decks655 decks
7%synergy
Sea Gate Restoration
16%inclusion107 decks655 decks
11%synergy
Rite of Replication
16%inclusion104 decks655 decks
9%synergy
Explore
15%inclusion100 decks655 decks
-5%synergy
Bala Ged Recovery
13%inclusion85 decks655 decks
3%synergy
Distant Melody
12%inclusion78 decks655 decks
9%synergy
Rishkar's Expertise
11%inclusion71 decks655 decks
3%synergy
Windfall
11%inclusion69 decks655 decks
6%synergy
Shamanic Revelation
9.2%inclusion60 decks655 decks
4%synergy
Ponder
8.1%inclusion53 decks655 decks
1%synergy
Natural Order
7.2%inclusion47 decks655 decks
6%synergy
Regrowth
6.7%inclusion44 decks655 decks
3%synergy
Fabricate
6.7%inclusion44 decks655 decks
0%synergy
Expropriate
6.3%inclusion41 decks655 decks
5%synergy
Turntimber Symbiosis
6.0%inclusion39 decks655 decks
4%synergy
Migration Path
6.0%inclusion39 decks655 decks
2%synergy
Doppelgang
5.6%inclusion34 decks604 decks
-1%synergy
Sylvan Tutor
5.5%inclusion36 decks655 decks
4%synergy
Explosive Vegetation
5.5%inclusion36 decks655 decks
0%synergy
Curse of the Swine
5.3%inclusion35 decks655 decks
-6%synergy
Raise the Palisade
5.2%inclusion34 decks655 decks
-1%synergy
Utility Artifacts
Lightning Greaves
51%inclusion336 decks655 decks
29%synergy
Helm of the Host
46%inclusion299 decks655 decks
40%synergy
Swiftfoot Boots
31%inclusion200 decks655 decks
5%synergy
The One Ring
28%inclusion185 decks655 decks
21%synergy
The Great Henge
27%inclusion177 decks655 decks
18%synergy
Mirror Box
17%inclusion109 decks655 decks
13%synergy
Combine Chrysalis
16%inclusion108 decks655 decks
12%synergy
Coat of Arms
15%inclusion99 decks655 decks
14%synergy
Eldrazi Monument
12%inclusion80 decks655 decks
12%synergy
Emerald Medallion
11%inclusion73 decks655 decks
8%synergy
Sapphire Medallion
9.2%inclusion60 decks655 decks
6%synergy
Skullclamp
9.0%inclusion59 decks655 decks
8%synergy
Winter Orb
8.1%inclusion53 decks655 decks
8%synergy
Static Orb
6.3%inclusion41 decks655 decks
6%synergy
Bident of Thassa
5.5%inclusion36 decks655 decks
-2%synergy
Sensei's Divining Top
5.2%inclusion34 decks655 decks
2%synergy
Enchantments
Tribute to the World Tree
55%inclusion360 decks655 decks
48%synergy
Mystic Remora
46%inclusion304 decks655 decks
31%synergy
Sylvan Library
40%inclusion264 decks655 decks
31%synergy
Kindred Discovery
34%inclusion224 decks655 decks
24%synergy
Exploration
24%inclusion155 decks655 decks
10%synergy
Cryptolith Rite
22%inclusion147 decks655 decks
19%synergy
Growing Rites of Itlimoc
20%inclusion128 decks655 decks
13%synergy
Burgeoning
18%inclusion116 decks655 decks
11%synergy
Wild Growth
17%inclusion113 decks655 decks
8%synergy
Beastmaster Ascension
16%inclusion105 decks655 decks
13%synergy
Utopia Sprawl
16%inclusion104 decks655 decks
9%synergy
Primal Vigor
16%inclusion104 decks655 decks
13%synergy
Paradox Haze
15%inclusion100 decks655 decks
15%synergy
Defense of the Heart
15%inclusion96 decks655 decks
12%synergy
Carpet of Flowers
12%inclusion81 decks655 decks
10%synergy
Unnatural Growth
8.2%inclusion54 decks655 decks
5%synergy
Asceticism
7.9%inclusion52 decks655 decks
4%synergy
Opposition
7.6%inclusion50 decks655 decks
7%synergy
Dismiss into Dream
7.6%inclusion50 decks655 decks
7%synergy
Moonlit Meditation
7.5%inclusion8 decks106 decks
6%synergy
Propaganda
7.2%inclusion47 decks655 decks
1%synergy
Extravagant Replication
7.2%inclusion47 decks655 decks
5%synergy
Garruk's Uprising
6.9%inclusion45 decks655 decks
-9%synergy
Kenrith's Transformation
6.6%inclusion43 decks655 decks
2%synergy
Imprisoned in the Moon
5.6%inclusion37 decks655 decks
1%synergy
Battles
Invasion of Ikoria
6.7%inclusion44 decks655 decks
2%synergy
Planeswalkers
Oko, Thief of Crowns
33%inclusion217 decks655 decks
26%synergy
Utility Lands
Boseiju, Who Endures
66%inclusion433 decks655 decks
44%synergy
Reliquary Tower
65%inclusion426 decks655 decks
15%synergy
Yavimaya, Cradle of Growth
59%inclusion386 decks655 decks
37%synergy
Otawara, Soaring City
56%inclusion367 decks655 decks
37%synergy
Three Tree City
37%inclusion178 decks483 decks
32%synergy
Command Beacon
31%inclusion206 decks655 decks
27%synergy
Mistrise Village
26%inclusion63 decks246 decks
15%synergy
Castle Garenbrig
21%inclusion135 decks655 decks
16%synergy
Evendo, Waking Haven
19%inclusion21 decks109 decks
14%synergy
Urza's Saga
18%inclusion118 decks655 decks
13%synergy
Mystic Sanctuary
17%inclusion111 decks655 decks
4%synergy
Alchemist's Refuge
17%inclusion109 decks655 decks
-1%synergy
Minamo, School at Water's Edge
14%inclusion89 decks655 decks
7%synergy
Temple of the False God
11%inclusion75 decks655 decks
-4%synergy
Mosswort Bridge
11%inclusion72 decks655 decks
-6%synergy
Nykthos, Shrine to Nyx
11%inclusion70 decks655 decks
8%synergy
Rogue's Passage
10%inclusion64 decks655 decks
-12%synergy
Strip Mine
9.0%inclusion59 decks655 decks
6%synergy
Dryad Arbor
7.8%inclusion51 decks655 decks
2%synergy
Shifting Woodland
7.4%inclusion38 decks517 decks
1%synergy
Field of the Dead
7.2%inclusion47 decks655 decks
1%synergy
Homeward Path
6.0%inclusion39 decks655 decks
4%synergy
Wasteland
5.3%inclusion35 decks655 decks
4%synergy
Castle Vantress
5.2%inclusion34 decks655 decks
-2%synergy
Mana Artifacts
Sol Ring
96%inclusion627 decks655 decks
15%synergy
Arcane Signet
83%inclusion541 decks655 decks
20%synergy
Talisman of Curiosity
39%inclusion254 decks655 decks
17%synergy
Simic Signet
38%inclusion246 decks655 decks
5%synergy
Thought Vessel
34%inclusion221 decks655 decks
14%synergy
Mana Vault
33%inclusion219 decks655 decks
27%synergy
Chrome Mox
23%inclusion148 decks655 decks
16%synergy
Mana Crypt
20%inclusion134 decks655 decks
17%synergy
Jeweled Lotus
19%inclusion123 decks655 decks
16%synergy
Mox Diamond
18%inclusion115 decks655 decks
12%synergy
Fellwar Stone
14%inclusion93 decks655 decks
5%synergy
Lotus Petal
14%inclusion90 decks655 decks
7%synergy
Grim Monolith
11%inclusion71 decks655 decks
8%synergy
Mox Opal
10%inclusion68 decks655 decks
6%synergy
Basalt Monolith
8.4%inclusion55 decks655 decks
2%synergy
Patchwork Banner
6.3%inclusion30 decks479 decks
3%synergy
Decanter of Endless Water
6.3%inclusion41 decks655 decks
1%synergy
Thran Dynamo
5.5%inclusion36 decks655 decks
3%synergy
Lands
Forest
91%inclusion598 decks655 decks
-4%synergy
Command Tower
91%inclusion596 decks655 decks
6%synergy
Island
91%inclusion594 decks655 decks
-5%synergy
Breeding Pool
90%inclusion590 decks655 decks
45%synergy
Misty Rainforest
79%inclusion517 decks655 decks
48%synergy
Rejuvenating Springs
79%inclusion516 decks655 decks
35%synergy
Tropical Island
76%inclusion497 decks655 decks
62%synergy
Hinterland Harbor
62%inclusion407 decks655 decks
3%synergy
Yavimaya Coast
55%inclusion358 decks655 decks
2%synergy
Dreamroot Cascade
47%inclusion311 decks655 decks
6%synergy
Barkchannel Pathway
47%inclusion308 decks655 decks
26%synergy
Flooded Grove
41%inclusion271 decks655 decks
1%synergy
Waterlogged Grove
35%inclusion229 decks655 decks
14%synergy
Simic Growth Chamber
33%inclusion213 decks655 decks
-16%synergy
Prismatic Vista
30%inclusion194 decks655 decks
22%synergy
Flooded Strand
29%inclusion191 decks655 decks
18%synergy
Hedge Maze
29%inclusion175 decks605 decks
9%synergy
Verdant Catacombs
29%inclusion189 decks655 decks
19%synergy
Windswept Heath
28%inclusion185 decks655 decks
18%synergy
Polluted Delta
27%inclusion177 decks655 decks
17%synergy
Scalding Tarn
27%inclusion175 decks655 decks
17%synergy
Willowrush Verge
26%inclusion79 decks304 decks
10%synergy
Wooded Foothills
24%inclusion157 decks655 decks
14%synergy
Exotic Orchard
21%inclusion139 decks655 decks
-3%synergy
Fabled Passage
21%inclusion135 decks655 decks
6%synergy
Vineglimmer Snarl
18%inclusion121 decks655 decks
-20%synergy
Sink into Stupor
17%inclusion90 decks519 decks
6%synergy
Temple of Mystery
17%inclusion113 decks655 decks
-21%synergy
Mana Confluence
17%inclusion112 decks655 decks
11%synergy
Sea Gate Restoration
16%inclusion107 decks655 decks
11%synergy
City of Brass
15%inclusion100 decks655 decks
9%synergy
Myriad Landscape
14%inclusion92 decks655 decks
-8%synergy
Snow-Covered Island
14%inclusion92 decks655 decks
7%synergy
Snow-Covered Forest
14%inclusion91 decks655 decks
7%synergy
Bala Ged Recovery
13%inclusion85 decks655 decks
3%synergy
Gemstone Caverns
13%inclusion82 decks655 decks
7%synergy
Botanical Sanctum
11%inclusion69 decks655 decks
-2%synergy
Cavern of Souls
10%inclusion66 decks655 decks
4%synergy
Reflecting Pool
10%inclusion64 decks655 decks
7%synergy
Rimewood Falls
9.5%inclusion62 decks655 decks
0%synergy
Glasspool Mimic
9.0%inclusion59 decks655 decks
5%synergy
Tangled Islet
8.2%inclusion54 decks655 decks
-8%synergy
Overflowing Basin
8.2%inclusion48 decks583 decks
-11%synergy
Evolving Wilds
6.9%inclusion45 decks655 decks
-18%synergy
Thornwood Falls
6.1%inclusion40 decks655 decks
-12%synergy
Turntimber Symbiosis
6.0%inclusion39 decks655 decks
4%synergy
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