Koma, Cosmos Serpent (Commander) - Expensive Optimized

Koma, Cosmos Serpent
Rank #289
24decks
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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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Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Chameleon, Master of Disguise
40%inclusion2 decks5 decks
38%synergy
Impostor Syndrome
14%inclusion1 decks7 decks
12%synergy
High Synergy Cards
Parallel Lives
79%inclusion19 decks24 decks
73%synergy
Sakashima of a Thousand Faces
71%inclusion17 decks24 decks
66%synergy
Elemental Bond
71%inclusion17 decks24 decks
65%synergy
Mana Drain
79%inclusion19 decks24 decks
63%synergy
Adrix and Nev, Twincasters
71%inclusion17 decks24 decks
62%synergy
Birds of Paradise
88%inclusion21 decks24 decks
60%synergy
Sakashima the Impostor
63%inclusion15 decks24 decks
60%synergy
Craterhoof Behemoth
67%inclusion16 decks24 decks
57%synergy
Sylvan Library
67%inclusion16 decks24 decks
57%synergy
Doubling Season
67%inclusion16 decks24 decks
57%synergy
Top Cards
Heroic Intervention
71%inclusion17 decks24 decks
41%synergy
Mystic Remora
71%inclusion17 decks24 decks
55%synergy
Counterspell
71%inclusion17 decks24 decks
21%synergy
Three Visits
67%inclusion16 decks24 decks
44%synergy
Spark Double
67%inclusion16 decks24 decks
57%synergy
Nature's Lore
67%inclusion16 decks24 decks
36%synergy
Beast Within
67%inclusion16 decks24 decks
16%synergy
Force of Negation
63%inclusion15 decks24 decks
54%synergy
Tribute to the World Tree
63%inclusion15 decks24 decks
56%synergy
Consecrated Sphinx
58%inclusion14 decks24 decks
50%synergy
Game Changers
Gaea's Cradle
100%inclusion24 decks24 decks
93%synergy
Rhystic Study
96%inclusion23 decks24 decks
74%synergy
Cyclonic Rift
92%inclusion22 decks24 decks
65%synergy
Force of Will
83%inclusion20 decks24 decks
73%synergy
Fierce Guardianship
83%inclusion20 decks24 decks
66%synergy
Ancient Tomb
79%inclusion19 decks24 decks
70%synergy
Chrome Mox
71%inclusion17 decks24 decks
64%synergy
Worldly Tutor
71%inclusion17 decks24 decks
55%synergy
Mana Vault
63%inclusion15 decks24 decks
56%synergy
The One Ring
63%inclusion15 decks24 decks
55%synergy
Creatures
Koma, World-Eater
57%inclusion13 decks23 decks
43%synergy
Aesi, Tyrant of Gyre Strait
54%inclusion13 decks24 decks
37%synergy
Delighted Halfling
54%inclusion13 decks24 decks
43%synergy
Serpent of Yawning Depths
54%inclusion13 decks24 decks
48%synergy
Elvish Mystic
50%inclusion12 decks24 decks
26%synergy
Roaming Throne
50%inclusion12 decks24 decks
42%synergy
Llanowar Elves
46%inclusion11 decks24 decks
18%synergy
Junk Winder
42%inclusion10 decks24 decks
35%synergy
Spawning Kraken
42%inclusion10 decks24 decks
34%synergy
Fyndhorn Elves
38%inclusion9 decks24 decks
22%synergy
Enduring Vitality
38%inclusion9 decks24 decks
30%synergy
Seedborn Muse
38%inclusion9 decks24 decks
22%synergy
Hullbreaker Horror
33%inclusion8 decks24 decks
16%synergy
Azusa, Lost but Seeking
25%inclusion6 decks24 decks
11%synergy
Fanatic of Rhonas
25%inclusion6 decks24 decks
19%synergy
Arixmethes, Slumbering Isle
25%inclusion6 decks24 decks
12%synergy
Garruk's Packleader
25%inclusion6 decks24 decks
23%synergy
Bloom Tender
21%inclusion5 decks24 decks
16%synergy
Kinnan, Bonder Prodigy
21%inclusion5 decks24 decks
18%synergy
Eternal Witness
17%inclusion4 decks24 decks
-5%synergy
Thrasios, Triton Hero
17%inclusion4 decks24 decks
9%synergy
Lotus Cobra
17%inclusion4 decks24 decks
3%synergy
Scute Swarm
17%inclusion4 decks24 decks
-4%synergy
Tatyova, Benthic Druid
17%inclusion4 decks24 decks
-15%synergy
Circle of Dreams Druid
17%inclusion4 decks24 decks
14%synergy
Faerie Mastermind
17%inclusion4 decks24 decks
12%synergy
Ohran Frostfang
17%inclusion4 decks24 decks
13%synergy
Arbor Elf
17%inclusion4 decks24 decks
10%synergy
Selvala, Heart of the Wilds
13%inclusion3 decks24 decks
9%synergy
Ledger Shredder
13%inclusion3 decks24 decks
11%synergy
Pollywog Prodigy
13%inclusion3 decks24 decks
5%synergy
Archetype of Imagination
13%inclusion3 decks24 decks
8%synergy
Spellskite
13%inclusion3 decks24 decks
7%synergy
Dryad of the Ilysian Grove
13%inclusion3 decks24 decks
2%synergy
Vorinclex, Voice of Hunger
13%inclusion3 decks24 decks
9%synergy
Icetill Explorer
11%inclusion1 decks9 decks
6%synergy
Gene Pollinator
11%inclusion1 decks9 decks
11%synergy
Starwinder
11%inclusion1 decks9 decks
4%synergy
Troyan, Gutsy Explorer
8.3%inclusion2 decks24 decks
5%synergy
Stormtide Leviathan
8.3%inclusion2 decks24 decks
2%synergy
Octomancer
8.3%inclusion2 decks24 decks
4%synergy
Thassa's Oracle
8.3%inclusion2 decks24 decks
3%synergy
Kiora's Follower
8.3%inclusion2 decks24 decks
-7%synergy
Xolatoyac, the Smiling Flood
8.3%inclusion2 decks24 decks
1%synergy
Priest of Titania
8.3%inclusion2 decks24 decks
3%synergy
Elvish Spirit Guide
8.3%inclusion2 decks24 decks
4%synergy
Gilded Drake
8.3%inclusion2 decks24 decks
6%synergy
Auton Soldier
8.3%inclusion2 decks24 decks
6%synergy
Enduring Curiosity
8.3%inclusion2 decks24 decks
5%synergy
Toski, Bearer of Secrets
8.3%inclusion2 decks24 decks
5%synergy
Instants
Swan Song
58%inclusion14 decks24 decks
39%synergy
Mystical Tutor
50%inclusion12 decks24 decks
40%synergy
Pongify
46%inclusion11 decks24 decks
21%synergy
An Offer You Can't Refuse
46%inclusion11 decks24 decks
23%synergy
Arcane Denial
42%inclusion10 decks24 decks
19%synergy
Crop Rotation
38%inclusion9 decks24 decks
24%synergy
Pact of Negation
33%inclusion8 decks24 decks
26%synergy
Force of Vigor
29%inclusion7 decks24 decks
24%synergy
Rapid Hybridization
29%inclusion7 decks24 decks
3%synergy
Krosan Grip
25%inclusion6 decks24 decks
17%synergy
Double Major
25%inclusion6 decks24 decks
16%synergy
Growth Spiral
21%inclusion5 decks24 decks
-24%synergy
Sink into Stupor
21%inclusion5 decks24 decks
10%synergy
Return of the Wildspeaker
21%inclusion5 decks24 decks
10%synergy
Negate
21%inclusion5 decks24 decks
-5%synergy
Archdruid's Charm
21%inclusion5 decks24 decks
15%synergy
Mindbreak Trap
17%inclusion4 decks24 decks
12%synergy
Second Harvest
17%inclusion4 decks24 decks
10%synergy
Flusterstorm
17%inclusion4 decks24 decks
10%synergy
Brainstorm
13%inclusion3 decks24 decks
-2%synergy
Resculpt
13%inclusion3 decks24 decks
6%synergy
Muddle the Mixture
13%inclusion3 decks24 decks
8%synergy
Dispel
13%inclusion3 decks24 decks
8%synergy
Voidslime
13%inclusion3 decks24 decks
7%synergy
Mental Misstep
8.3%inclusion2 decks24 decks
3%synergy
Plasm Capture
8.3%inclusion2 decks24 decks
5%synergy
Legolas's Quick Reflexes
8.3%inclusion2 decks24 decks
6%synergy
Noxious Revival
8.3%inclusion2 decks24 decks
2%synergy
Stifle
8.3%inclusion2 decks24 decks
8%synergy
Collective Resistance
8.3%inclusion2 decks24 decks
5%synergy
Dramatic Reversal
8.3%inclusion2 decks24 decks
4%synergy
Nature's Claim
8.3%inclusion2 decks24 decks
-2%synergy
Harrow
8.3%inclusion2 decks24 decks
-4%synergy
Reality Shift
8.3%inclusion2 decks24 decks
-6%synergy
Strix Serenade
8.3%inclusion2 decks24 decks
4%synergy
Sorceries
Cultivate
58%inclusion14 decks24 decks
11%synergy
Irenicus's Vile Duplication
50%inclusion12 decks24 decks
44%synergy
Farseek
50%inclusion12 decks24 decks
26%synergy
Finale of Devastation
46%inclusion11 decks24 decks
34%synergy
Kodama's Reach
46%inclusion11 decks24 decks
9%synergy
Whelming Wave
42%inclusion10 decks24 decks
30%synergy
Rampant Growth
42%inclusion10 decks24 decks
1%synergy
Skyshroud Claim
33%inclusion8 decks24 decks
24%synergy
Sea Gate Restoration
29%inclusion7 decks24 decks
24%synergy
Green Sun's Zenith
25%inclusion6 decks24 decks
16%synergy
Explore
25%inclusion6 decks24 decks
4%synergy
Sylvan Tutor
21%inclusion5 decks24 decks
19%synergy
Quantum Misalignment
17%inclusion4 decks24 decks
14%synergy
Fabricate
17%inclusion4 decks24 decks
10%synergy
Natural Order
17%inclusion4 decks24 decks
15%synergy
Triumph of the Hordes
17%inclusion4 decks24 decks
14%synergy
Raise the Palisade
13%inclusion3 decks24 decks
6%synergy
Bala Ged Recovery
13%inclusion3 decks24 decks
2%synergy
Migration Path
13%inclusion3 decks24 decks
9%synergy
Overwhelming Stampede
13%inclusion3 decks24 decks
0%synergy
Turntimber Symbiosis
8.3%inclusion2 decks24 decks
6%synergy
Personal Tutor
8.3%inclusion2 decks24 decks
7%synergy
Urban Evolution
8.3%inclusion2 decks24 decks
-1%synergy
Nanogene Conversion
8.3%inclusion2 decks24 decks
7%synergy
Windfall
8.3%inclusion2 decks24 decks
4%synergy
Last March of the Ents
8.3%inclusion2 decks24 decks
5%synergy
Utility Artifacts
Helm of the Host
50%inclusion12 decks24 decks
45%synergy
Lightning Greaves
42%inclusion10 decks24 decks
20%synergy
The Great Henge
29%inclusion7 decks24 decks
20%synergy
Sensei's Divining Top
21%inclusion5 decks24 decks
17%synergy
Winter Orb
17%inclusion4 decks24 decks
16%synergy
Static Orb
17%inclusion4 decks24 decks
17%synergy
Combine Chrysalis
13%inclusion3 decks24 decks
8%synergy
Eldrazi Monument
13%inclusion3 decks24 decks
12%synergy
Swiftfoot Boots
13%inclusion3 decks24 decks
-13%synergy
Phyrexian Altar
8.3%inclusion2 decks24 decks
8%synergy
Whispersilk Cloak
8.3%inclusion2 decks24 decks
6%synergy
Winter Moon
8.3%inclusion2 decks24 decks
8%synergy
Isochron Scepter
8.3%inclusion2 decks24 decks
6%synergy
Skullclamp
8.3%inclusion2 decks24 decks
7%synergy
Enchantments
Kindred Discovery
29%inclusion7 decks24 decks
19%synergy
Exploration
25%inclusion6 decks24 decks
11%synergy
Utopia Sprawl
25%inclusion6 decks24 decks
18%synergy
Cryptolith Rite
25%inclusion6 decks24 decks
22%synergy
Wild Growth
21%inclusion5 decks24 decks
12%synergy
Burgeoning
21%inclusion5 decks24 decks
14%synergy
Unnatural Growth
13%inclusion3 decks24 decks
9%synergy
Propaganda
13%inclusion3 decks24 decks
6%synergy
Growing Rites of Itlimoc
13%inclusion3 decks24 decks
6%synergy
Carpet of Flowers
13%inclusion3 decks24 decks
10%synergy
Song of the Dryads
8.3%inclusion2 decks24 decks
7%synergy
Defense of the Heart
8.3%inclusion2 decks24 decks
6%synergy
Pattern of Rebirth
8.3%inclusion2 decks24 decks
8%synergy
Earthcraft
8.3%inclusion2 decks24 decks
8%synergy
Stasis
8.3%inclusion2 decks24 decks
8%synergy
Planeswalkers
Oko, Thief of Crowns
29%inclusion7 decks24 decks
22%synergy
Utility Lands
Boseiju, Who Endures
75%inclusion18 decks24 decks
53%synergy
Otawara, Soaring City
71%inclusion17 decks24 decks
52%synergy
Reliquary Tower
63%inclusion15 decks24 decks
12%synergy
Yavimaya, Cradle of Growth
54%inclusion13 decks24 decks
32%synergy
Three Tree City
46%inclusion11 decks24 decks
41%synergy
Command Beacon
38%inclusion9 decks24 decks
33%synergy
Evendo, Waking Haven
30%inclusion3 decks10 decks
25%synergy
Urza's Saga
25%inclusion6 decks24 decks
20%synergy
Strip Mine
25%inclusion6 decks24 decks
22%synergy
Mistrise Village
24%inclusion5 decks21 decks
13%synergy
Castle Garenbrig
21%inclusion5 decks24 decks
16%synergy
Wasteland
21%inclusion5 decks24 decks
20%synergy
Alchemist's Refuge
21%inclusion5 decks24 decks
3%synergy
Minamo, School at Water's Edge
17%inclusion4 decks24 decks
10%synergy
Dryad Arbor
17%inclusion4 decks24 decks
11%synergy
Rogue's Passage
13%inclusion3 decks24 decks
-9%synergy
Shifting Woodland
13%inclusion3 decks24 decks
6%synergy
Yavimaya Hollow
13%inclusion3 decks24 decks
12%synergy
Maze of Ith
8.3%inclusion2 decks24 decks
5%synergy
Nykthos, Shrine to Nyx
8.3%inclusion2 decks24 decks
5%synergy
Field of the Dead
8.3%inclusion2 decks24 decks
2%synergy
Mosswort Bridge
8.3%inclusion2 decks24 decks
-9%synergy
Mana Artifacts
Sol Ring
100%inclusion24 decks24 decks
19%synergy
Arcane Signet
88%inclusion21 decks24 decks
25%synergy
Mox Diamond
50%inclusion12 decks24 decks
45%synergy
Lotus Petal
42%inclusion10 decks24 decks
35%synergy
Talisman of Curiosity
42%inclusion10 decks24 decks
20%synergy
Thought Vessel
38%inclusion9 decks24 decks
17%synergy
Grim Monolith
29%inclusion7 decks24 decks
26%synergy
Simic Signet
21%inclusion5 decks24 decks
-12%synergy
Fellwar Stone
17%inclusion4 decks24 decks
7%synergy
Basalt Monolith
13%inclusion3 decks24 decks
6%synergy
Mox Opal
13%inclusion3 decks24 decks
8%synergy
Mox Amber
8.3%inclusion2 decks24 decks
2%synergy
Decanter of Endless Water
8.3%inclusion2 decks24 decks
3%synergy
Lands
Command Tower
100%inclusion24 decks24 decks
15%synergy
Island
96%inclusion23 decks24 decks
0%synergy
Forest
96%inclusion23 decks24 decks
1%synergy
Breeding Pool
92%inclusion22 decks24 decks
47%synergy
Tropical Island
92%inclusion22 decks24 decks
78%synergy
Rejuvenating Springs
83%inclusion20 decks24 decks
39%synergy
Misty Rainforest
83%inclusion20 decks24 decks
52%synergy
Yavimaya Coast
58%inclusion14 decks24 decks
6%synergy
Barkchannel Pathway
54%inclusion13 decks24 decks
34%synergy
Hinterland Harbor
54%inclusion13 decks24 decks
-5%synergy
Prismatic Vista
50%inclusion12 decks24 decks
42%synergy
Windswept Heath
50%inclusion12 decks24 decks
40%synergy
Scalding Tarn
46%inclusion11 decks24 decks
36%synergy
Dreamroot Cascade
46%inclusion11 decks24 decks
4%synergy
Flooded Strand
46%inclusion11 decks24 decks
35%synergy
Wooded Foothills
42%inclusion10 decks24 decks
32%synergy
Verdant Catacombs
42%inclusion10 decks24 decks
32%synergy
Mana Confluence
42%inclusion10 decks24 decks
36%synergy
Polluted Delta
38%inclusion9 decks24 decks
27%synergy
Waterlogged Grove
33%inclusion8 decks24 decks
13%synergy
Hedge Maze
33%inclusion8 decks24 decks
14%synergy
Flooded Grove
33%inclusion8 decks24 decks
-7%synergy
City of Brass
33%inclusion8 decks24 decks
27%synergy
Sea Gate Restoration
29%inclusion7 decks24 decks
24%synergy
Simic Growth Chamber
25%inclusion6 decks24 decks
-24%synergy
Fabled Passage
25%inclusion6 decks24 decks
11%synergy
Gemstone Caverns
25%inclusion6 decks24 decks
19%synergy
Exotic Orchard
25%inclusion6 decks24 decks
1%synergy
Vineglimmer Snarl
21%inclusion5 decks24 decks
-18%synergy
Sink into Stupor
21%inclusion5 decks24 decks
10%synergy
Reflecting Pool
17%inclusion4 decks24 decks
14%synergy
Terramorphic Expanse
13%inclusion3 decks24 decks
-7%synergy
Evolving Wilds
13%inclusion3 decks24 decks
-13%synergy
Bala Ged Recovery
13%inclusion3 decks24 decks
2%synergy
Willowrush Verge
8.7%inclusion2 decks23 decks
-7%synergy
Turntimber Symbiosis
8.3%inclusion2 decks24 decks
6%synergy
Temple of Mystery
8.3%inclusion2 decks24 decks
-30%synergy
Snow-Covered Forest
8.3%inclusion2 decks24 decks
1%synergy
Snow-Covered Island
8.3%inclusion2 decks24 decks
1%synergy
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