Koma, Cosmos Serpent (Commander) - Expensive Upgraded 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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Lands
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Fierce Guardianship
100%inclusion2 decks2 decks
83%synergy
Rhystic Study
100%inclusion2 decks2 decks
78%synergy
Cyclonic Rift
100%inclusion2 decks2 decks
73%synergy
Gaea's Cradle
50%inclusion1 decks2 decks
43%synergy
Seedborn Muse
50%inclusion1 decks2 decks
34%synergy
Creatures
Adrix and Nev, Twincasters
100%inclusion2 decks2 decks
91%synergy
Eternal Witness
100%inclusion2 decks2 decks
79%synergy
Elvish Mystic
100%inclusion2 decks2 decks
76%synergy
Junk Winder
100%inclusion2 decks2 decks
93%synergy
Llanowar Elves
100%inclusion2 decks2 decks
72%synergy
Spark Double
100%inclusion2 decks2 decks
90%synergy
Sakashima of a Thousand Faces
100%inclusion2 decks2 decks
95%synergy
Sakashima the Impostor
100%inclusion2 decks2 decks
97%synergy
Serpent of Yawning Depths
100%inclusion2 decks2 decks
94%synergy
Spawning Kraken
100%inclusion2 decks2 decks
93%synergy
Curiosity Crafter
50%inclusion1 decks2 decks
46%synergy
Garruk's Packleader
50%inclusion1 decks2 decks
48%synergy
Circle of Dreams Druid
50%inclusion1 decks2 decks
48%synergy
Octomancer
50%inclusion1 decks2 decks
45%synergy
Koma, World-Eater
50%inclusion1 decks2 decks
36%synergy
Snapcaster Mage
50%inclusion1 decks2 decks
49%synergy
Roaming Throne
50%inclusion1 decks2 decks
42%synergy
Murkfiend Liege
50%inclusion1 decks2 decks
35%synergy
Enduring Curiosity
50%inclusion1 decks2 decks
47%synergy
Oviya, Automech Artisan
50%inclusion1 decks2 decks
49%synergy
Arixmethes, Slumbering Isle
50%inclusion1 decks2 decks
37%synergy
Birds of Paradise
50%inclusion1 decks2 decks
22%synergy
Hullbreaker Horror
50%inclusion1 decks2 decks
32%synergy
Fyndhorn Elves
50%inclusion1 decks2 decks
34%synergy
Sakura-Tribe Elder
50%inclusion1 decks2 decks
31%synergy
Delighted Halfling
50%inclusion1 decks2 decks
39%synergy
Instants
Pongify
100%inclusion2 decks2 decks
75%synergy
Rapid Hybridization
100%inclusion2 decks2 decks
74%synergy
An Offer You Can't Refuse
100%inclusion2 decks2 decks
77%synergy
Negate
100%inclusion2 decks2 decks
74%synergy
Mana Drain
100%inclusion2 decks2 decks
84%synergy
Beast Within
100%inclusion2 decks2 decks
49%synergy
Arcane Denial
100%inclusion2 decks2 decks
77%synergy
Counterspell
100%inclusion2 decks2 decks
50%synergy
Heroic Intervention
50%inclusion1 decks2 decks
20%synergy
Return of the Wildspeaker
50%inclusion1 decks2 decks
40%synergy
Growth Spiral
50%inclusion1 decks2 decks
6%synergy
Plasm Capture
50%inclusion1 decks2 decks
46%synergy
Krosan Grip
50%inclusion1 decks2 decks
42%synergy
Second Harvest
50%inclusion1 decks2 decks
44%synergy
Chord of Calling
50%inclusion1 decks2 decks
42%synergy
Harrow
50%inclusion1 decks2 decks
38%synergy
Reality Shift
50%inclusion1 decks2 decks
35%synergy
Entish Restoration
50%inclusion1 decks2 decks
41%synergy
Swan Song
50%inclusion1 decks2 decks
31%synergy
Tamiyo's Safekeeping
50%inclusion1 decks2 decks
44%synergy
Simic Charm
50%inclusion1 decks2 decks
42%synergy
Double Major
50%inclusion1 decks2 decks
41%synergy
Sorceries
Kodama's Reach
100%inclusion2 decks2 decks
63%synergy
Three Visits
100%inclusion2 decks2 decks
77%synergy
Skyshroud Claim
100%inclusion2 decks2 decks
91%synergy
Farseek
100%inclusion2 decks2 decks
76%synergy
Nature's Lore
100%inclusion2 decks2 decks
70%synergy
Rampant Growth
100%inclusion2 decks2 decks
59%synergy
Cultivate
100%inclusion2 decks2 decks
53%synergy
Irenicus's Vile Duplication
100%inclusion2 decks2 decks
94%synergy
Whelming Wave
100%inclusion2 decks2 decks
89%synergy
Finale of Devastation
50%inclusion1 decks2 decks
38%synergy
Search for Tomorrow
50%inclusion1 decks2 decks
45%synergy
Explosive Vegetation
50%inclusion1 decks2 decks
44%synergy
Shamanic Revelation
50%inclusion1 decks2 decks
44%synergy
Migration Path
50%inclusion1 decks2 decks
47%synergy
Overwhelming Stampede
50%inclusion1 decks2 decks
38%synergy
Utility Artifacts
Swiftfoot Boots
100%inclusion2 decks2 decks
74%synergy
Lightning Greaves
100%inclusion2 decks2 decks
78%synergy
Mirror Box
50%inclusion1 decks2 decks
46%synergy
Proteus Staff
50%inclusion1 decks2 decks
50%synergy
Combine Chrysalis
50%inclusion1 decks2 decks
46%synergy
Enchantments
Mystic Remora
100%inclusion2 decks2 decks
84%synergy
Elemental Bond
100%inclusion2 decks2 decks
94%synergy
Kindred Discovery
50%inclusion1 decks2 decks
40%synergy
Doubling Season
50%inclusion1 decks2 decks
40%synergy
Cryptolith Rite
50%inclusion1 decks2 decks
47%synergy
Beastmaster Ascension
50%inclusion1 decks2 decks
47%synergy
Verity Circle
50%inclusion1 decks2 decks
49%synergy
Extravagant Replication
50%inclusion1 decks2 decks
48%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
Paradox Haze
50%inclusion1 decks2 decks
50%synergy
Growing Rites of Itlimoc
50%inclusion1 decks2 decks
44%synergy
Planeswalkers
Oko, Thief of Crowns
100%inclusion2 decks2 decks
93%synergy
Utility Lands
Emergence Zone
50%inclusion1 decks2 decks
46%synergy
Command Beacon
50%inclusion1 decks2 decks
46%synergy
Yavimaya, Cradle of Growth
50%inclusion1 decks2 decks
28%synergy
Boseiju, Who Endures
50%inclusion1 decks2 decks
28%synergy
Reliquary Tower
50%inclusion1 decks2 decks
0%synergy
Three Tree City
50%inclusion1 decks2 decks
45%synergy
Otawara, Soaring City
50%inclusion1 decks2 decks
31%synergy
Mana Artifacts
Arcane Signet
100%inclusion2 decks2 decks
37%synergy
Sol Ring
100%inclusion2 decks2 decks
19%synergy
Talisman of Curiosity
100%inclusion2 decks2 decks
79%synergy
Simic Signet
50%inclusion1 decks2 decks
18%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
Yavimaya Coast
100%inclusion2 decks2 decks
48%synergy
Tropical Island
100%inclusion2 decks2 decks
86%synergy
Island
100%inclusion2 decks2 decks
5%synergy
Forest
100%inclusion2 decks2 decks
5%synergy
Hedge Maze
100%inclusion2 decks2 decks
81%synergy
Rejuvenating Springs
100%inclusion2 decks2 decks
56%synergy
Dreamroot Cascade
100%inclusion2 decks2 decks
59%synergy
Hinterland Harbor
100%inclusion2 decks2 decks
41%synergy
Fabled Passage
50%inclusion1 decks2 decks
36%synergy
Windswept Heath
50%inclusion1 decks2 decks
40%synergy
Vineglimmer Snarl
50%inclusion1 decks2 decks
11%synergy
Barkchannel Pathway
50%inclusion1 decks2 decks
29%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
Temple of Mystery
50%inclusion1 decks2 decks
11%synergy
Scalding Tarn
50%inclusion1 decks2 decks
40%synergy
Flooded Grove
50%inclusion1 decks2 decks
10%synergy
Polluted Delta
50%inclusion1 decks2 decks
40%synergy
Flooded Strand
50%inclusion1 decks2 decks
39%synergy
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