Koma, Cosmos Serpent (Commander) - Expensive Optimized Control

Koma, Cosmos Serpent
Rank #289
2decks
As CommanderAs CardAverage DeckDecks
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All12345
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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Creatures
Instants
Sorceries
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Utility Lands
Mana Artifacts
Lands
Back to Top
Mana Vault
100%inclusion2 decks2 decks
94%synergy
Gaea's Cradle
100%inclusion2 decks2 decks
93%synergy
The One Ring
100%inclusion2 decks2 decks
92%synergy
Consecrated Sphinx
100%inclusion2 decks2 decks
91%synergy
Ancient Tomb
100%inclusion2 decks2 decks
91%synergy
Mystical Tutor
100%inclusion2 decks2 decks
90%synergy
Force of Will
100%inclusion2 decks2 decks
90%synergy
Crop Rotation
100%inclusion2 decks2 decks
87%synergy
Worldly Tutor
100%inclusion2 decks2 decks
84%synergy
Fierce Guardianship
100%inclusion2 decks2 decks
83%synergy
Creatures
Craterhoof Behemoth
100%inclusion2 decks2 decks
91%synergy
Kinnan, Bonder Prodigy
100%inclusion2 decks2 decks
97%synergy
Sylvan Safekeeper
100%inclusion2 decks2 decks
96%synergy
Birds of Paradise
100%inclusion2 decks2 decks
72%synergy
Spellskite
100%inclusion2 decks2 decks
95%synergy
Delighted Halfling
100%inclusion2 decks2 decks
89%synergy
Displacer Kitten
50%inclusion1 decks2 decks
46%synergy
Peregrine Drake
50%inclusion1 decks2 decks
46%synergy
Bloom Tender
50%inclusion1 decks2 decks
45%synergy
Garruk's Packleader
50%inclusion1 decks2 decks
48%synergy
Koma, World-Eater
50%inclusion1 decks2 decks
36%synergy
Disciple of Freyalise
50%inclusion1 decks2 decks
45%synergy
Eternal Witness
50%inclusion1 decks2 decks
29%synergy
Enduring Vitality
50%inclusion1 decks2 decks
43%synergy
Roaming Throne
50%inclusion1 decks2 decks
42%synergy
Elvish Mystic
50%inclusion1 decks2 decks
26%synergy
Arbor Elf
50%inclusion1 decks2 decks
43%synergy
Unctus, Grand Metatect
50%inclusion1 decks2 decks
48%synergy
Hydroelectric Specimen
50%inclusion1 decks2 decks
44%synergy
Junk Winder
50%inclusion1 decks2 decks
43%synergy
Kira, Great Glass-Spinner
50%inclusion1 decks2 decks
49%synergy
Sowing Mycospawn
50%inclusion1 decks2 decks
48%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion1 decks2 decks
33%synergy
Wandering Archaic
50%inclusion1 decks2 decks
45%synergy
Elvish Spirit Guide
50%inclusion1 decks2 decks
45%synergy
Spark Double
50%inclusion1 decks2 decks
40%synergy
Sakashima of a Thousand Faces
50%inclusion1 decks2 decks
45%synergy
Pollywog Prodigy
50%inclusion1 decks2 decks
43%synergy
Esix, Fractal Bloom
50%inclusion1 decks2 decks
46%synergy
Sakashima the Impostor
50%inclusion1 decks2 decks
47%synergy
Arixmethes, Slumbering Isle
50%inclusion1 decks2 decks
37%synergy
Serpent of Yawning Depths
50%inclusion1 decks2 decks
44%synergy
Hullbreaker Horror
50%inclusion1 decks2 decks
32%synergy
Vorinclex, Voice of Hunger
50%inclusion1 decks2 decks
47%synergy
Fyndhorn Elves
50%inclusion1 decks2 decks
34%synergy
Somberwald Sage
50%inclusion1 decks2 decks
49%synergy
Gene Pollinator
50%inclusion1 decks2 decks
49%synergy
Instants
An Offer You Can't Refuse
100%inclusion2 decks2 decks
77%synergy
Archdruid's Charm
100%inclusion2 decks2 decks
94%synergy
Mindbreak Trap
100%inclusion2 decks2 decks
95%synergy
Legolas's Quick Reflexes
100%inclusion2 decks2 decks
97%synergy
Force of Vigor
100%inclusion2 decks2 decks
95%synergy
Flusterstorm
100%inclusion2 decks2 decks
93%synergy
Cyclonic Rift
100%inclusion2 decks2 decks
73%synergy
Mental Misstep
50%inclusion1 decks2 decks
45%synergy
Heroic Intervention
50%inclusion1 decks2 decks
20%synergy
Krosan Grip
50%inclusion1 decks2 decks
42%synergy
Chord of Calling
50%inclusion1 decks2 decks
42%synergy
Dispel
50%inclusion1 decks2 decks
45%synergy
Mana Drain
50%inclusion1 decks2 decks
34%synergy
Beast Within
50%inclusion1 decks2 decks
-1%synergy
Swan Song
50%inclusion1 decks2 decks
31%synergy
Arcane Denial
50%inclusion1 decks2 decks
27%synergy
Force of Negation
50%inclusion1 decks2 decks
41%synergy
Sink into Stupor
50%inclusion1 decks2 decks
39%synergy
Misdirection
50%inclusion1 decks2 decks
48%synergy
Counterspell
50%inclusion1 decks2 decks
0%synergy
Borne Upon a Wind
50%inclusion1 decks2 decks
49%synergy
March of Swirling Mist
50%inclusion1 decks2 decks
46%synergy
Miscast
50%inclusion1 decks2 decks
48%synergy
Pact of Negation
50%inclusion1 decks2 decks
43%synergy
Sorceries
Green Sun's Zenith
100%inclusion2 decks2 decks
91%synergy
Finale of Devastation
100%inclusion2 decks2 decks
88%synergy
Eldritch Evolution
50%inclusion1 decks2 decks
46%synergy
Triumph of the Hordes
50%inclusion1 decks2 decks
47%synergy
Neoform
50%inclusion1 decks2 decks
46%synergy
Fabricate
50%inclusion1 decks2 decks
44%synergy
Sea Gate Restoration
50%inclusion1 decks2 decks
44%synergy
Tempt with Discovery
50%inclusion1 decks2 decks
46%synergy
Temporal Manipulation
50%inclusion1 decks2 decks
49%synergy
Irenicus's Vile Duplication
50%inclusion1 decks2 decks
44%synergy
Utility Artifacts
Static Orb
50%inclusion1 decks2 decks
50%synergy
Sensei's Divining Top
50%inclusion1 decks2 decks
46%synergy
Winter Orb
50%inclusion1 decks2 decks
50%synergy
Skullclamp
50%inclusion1 decks2 decks
49%synergy
Trinisphere
50%inclusion1 decks2 decks
49%synergy
The Great Henge
50%inclusion1 decks2 decks
41%synergy
Phyrexian Altar
50%inclusion1 decks2 decks
50%synergy
Whispersilk Cloak
50%inclusion1 decks2 decks
48%synergy
Winter Moon
50%inclusion1 decks2 decks
50%synergy
Lightning Greaves
50%inclusion1 decks2 decks
28%synergy
Enchantments
Rhystic Study
100%inclusion2 decks2 decks
78%synergy
Mystic Remora
100%inclusion2 decks2 decks
84%synergy
Sylvan Library
100%inclusion2 decks2 decks
91%synergy
Utopia Sprawl
50%inclusion1 decks2 decks
43%synergy
Doubling Season
50%inclusion1 decks2 decks
40%synergy
Verity Circle
50%inclusion1 decks2 decks
49%synergy
Carpet of Flowers
50%inclusion1 decks2 decks
47%synergy
Wild Growth
50%inclusion1 decks2 decks
41%synergy
Tribute to the World Tree
50%inclusion1 decks2 decks
43%synergy
Parallel Lives
50%inclusion1 decks2 decks
44%synergy
Quest for Renewal
50%inclusion1 decks2 decks
48%synergy
Defense of the Heart
50%inclusion1 decks2 decks
48%synergy
Utility Lands
Minamo, School at Water's Edge
100%inclusion2 decks2 decks
93%synergy
Boseiju, Who Endures
100%inclusion2 decks2 decks
78%synergy
Otawara, Soaring City
100%inclusion2 decks2 decks
81%synergy
Mistrise Village
50%inclusion1 decks2 decks
40%synergy
Boseiju, Who Shelters All
50%inclusion1 decks2 decks
49%synergy
Urza's Saga
50%inclusion1 decks2 decks
45%synergy
Emergence Zone
50%inclusion1 decks2 decks
46%synergy
Command Beacon
50%inclusion1 decks2 decks
46%synergy
Nykthos, Shrine to Nyx
50%inclusion1 decks2 decks
47%synergy
Three Tree City
50%inclusion1 decks2 decks
45%synergy
Dryad Arbor
50%inclusion1 decks2 decks
44%synergy
Evendo, Waking Haven
50%inclusion1 decks2 decks
45%synergy
Mana Artifacts
Arcane Signet
100%inclusion2 decks2 decks
37%synergy
Lotus Petal
100%inclusion2 decks2 decks
93%synergy
Sol Ring
100%inclusion2 decks2 decks
19%synergy
Talisman of Curiosity
50%inclusion1 decks2 decks
29%synergy
Fellwar Stone
50%inclusion1 decks2 decks
41%synergy
Chrome Mox
50%inclusion1 decks2 decks
43%synergy
Lands
Command Tower
100%inclusion2 decks2 decks
15%synergy
Misty Rainforest
100%inclusion2 decks2 decks
69%synergy
Breeding Pool
100%inclusion2 decks2 decks
55%synergy
Tropical Island
100%inclusion2 decks2 decks
86%synergy
Hedge Maze
100%inclusion2 decks2 decks
81%synergy
Mana Confluence
100%inclusion2 decks2 decks
94%synergy
Rejuvenating Springs
100%inclusion2 decks2 decks
56%synergy
Prismatic Vista
50%inclusion1 decks2 decks
42%synergy
Disciple of Freyalise
50%inclusion1 decks2 decks
45%synergy
Exotic Orchard
50%inclusion1 decks2 decks
26%synergy
Windswept Heath
50%inclusion1 decks2 decks
40%synergy
Yavimaya Coast
50%inclusion1 decks2 decks
-2%synergy
Sea Gate Restoration
50%inclusion1 decks2 decks
44%synergy
Hydroelectric Specimen
50%inclusion1 decks2 decks
44%synergy
Snow-Covered Island
50%inclusion1 decks2 decks
43%synergy
Snow-Covered Forest
50%inclusion1 decks2 decks
43%synergy
Wooded Foothills
50%inclusion1 decks2 decks
40%synergy
Verdant Catacombs
50%inclusion1 decks2 decks
40%synergy
Waterlogged Grove
50%inclusion1 decks2 decks
29%synergy
Island
50%inclusion1 decks2 decks
-45%synergy
Forest
50%inclusion1 decks2 decks
-45%synergy
Sink into Stupor
50%inclusion1 decks2 decks
39%synergy
Gemstone Caverns
50%inclusion1 decks2 decks
44%synergy
Scalding Tarn
50%inclusion1 decks2 decks
40%synergy
City of Brass
50%inclusion1 decks2 decks
44%synergy
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