This page includes only decks with user-set brackets. Auto-detected brackets are not included.
Average Deck for Koma, Cosmos Serpent - Budget Core Tokens
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #301
3decks
Nov 13, 2025
How To Play Sea Creatures Differently In Commander
Sea creatures in Magic are basically as old as the game itself, but they've changed significantly in that time.
Aug 6, 2025
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.
Average Decklist
- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 Arcane SignetArcane Signet
- 1 Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1 Augmenter PugilistAugmenter Pugilist
- 1 Beast WithinBeast Within
- 1 Burnished HartBurnished Hart
- 1 Coiling OracleCoiling Oracle
- 1 Command TowerCommand Tower
- 1 Counsel of the SoratamiCounsel of the Soratami
- 1 CounterspellCounterspell
- 1 CultivateCultivate
- 1 Decisive DenialDecisive Denial
- 1 Disruption ProtocolDisruption Protocol
- 1 Double MajorDouble Major
- 1 Dryad's RevivalDryad's Revival
- 1 Elvish MysticElvish Mystic
- 1 Esix, Fractal BloomEsix, Fractal Bloom
- 1 Essence CaptureEssence Capture
- 1 Eureka MomentEureka Moment
- 1 Experiment OneExperiment One
- 1 ExploreExplore
- 1 Fact or FictionFact or Fiction
- 1 FogFog
- 13 ForestForest
- 1 Frilled Sea SerpentFrilled Sea Serpent
- 1 Garruk's PackleaderGarruk's Packleader
- 1 Garruk's UprisingGarruk's Uprising
- 1 Growth SpiralGrowth Spiral
- 1 HarmonizeHarmonize
- 1 Hydroid KrasisHydroid Krasis
- 1 Icon of AncestryIcon of Ancestry
- 1 Imprisoned in the MoonImprisoned in the Moon
- 1 Incubation // IncongruityIncubation // Incongruity
- 1 Instruments of WarInstruments of War
- 14 IslandIsland
- 1 Junk WinderJunk Winder
- 1 Kiora, Sovereign of the DeepKiora, Sovereign of the Deep
- 1 Koma, World-EaterKoma, World-Eater
- 1 Llanowar ElvesLlanowar Elves
- 1 Lotus CobraLotus Cobra
- 1 Moritte of the FrostMoritte of the Frost
- 1 Murkfiend LiegeMurkfiend Liege
- 1 NegateNegate
- 1 NeoformNeoform
- 1 OctomancerOctomancer
- 1 Quandrix CampusQuandrix Campus
- 1 Rampant GrowthRampant Growth
- 1 Reconnaissance MissionReconnaissance Mission
- 1 RefuteRefute
- 1 Repulsive MutationRepulsive Mutation
- 1 Rude AwakeningRude Awakening
- 1 Sakura-Tribe ElderSakura-Tribe Elder
- 1 Seat of the SynodSeat of the Synod
- 1 Second HarvestSecond Harvest
- 1 Simic CluestoneSimic Cluestone
- 1 Simic SignetSimic Signet
- 1 Slinn Voda, the Rising DeepSlinn Voda, the Rising Deep
- 1 Snakeskin VeilSnakeskin Veil
- 8 Snow-Covered ForestSnow-Covered Forest
- 1 Social ClimberSocial Climber
- 1 Sol RingSol Ring
- 1 Talisman of CuriosityTalisman of Curiosity
- 1 Tatyova, Benthic DruidTatyova, Benthic Druid
- 1 Teferi's Ageless InsightTeferi's Ageless Insight
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 Thornwood FallsThornwood Falls
- 1 Whelming WaveWhelming Wave
- 1 Yavimaya ElderYavimaya Elder
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Augmenter Pugilist
Augmenter Pugilist
Burnished Hart
Burnished Hart
Coiling Oracle
Coiling Oracle
Elvish Mystic
Elvish Mystic
Esix, Fractal Bloom
Esix, Fractal Bloom
Experiment One
Experiment One
Frilled Sea Serpent
Frilled Sea Serpent
Garruk's Packleader
Garruk's Packleader
Hydroid Krasis
Hydroid Krasis
Junk Winder
Junk Winder
Kiora, Sovereign of the Deep
Kiora, Sovereign of the Deep
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Lotus Cobra
Lotus Cobra
Moritte of the Frost
Moritte of the Frost
Murkfiend Liege
Murkfiend Liege
Octomancer
Octomancer
Sakura-Tribe Elder
Sakura-Tribe Elder
Slinn Voda, the Rising Deep
Slinn Voda, the Rising Deep
Social Climber
Social Climber
Tatyova, Benthic Druid
Tatyova, Benthic Druid
Yavimaya Elder
Yavimaya Elder
Instants (16)
Beast Within
Beast Within
Counterspell
Counterspell
Decisive Denial
Decisive Denial
Disruption Protocol
Disruption Protocol
Double Major
Double Major
Essence Capture
Essence Capture
Eureka Moment
Eureka Moment
Fact or Fiction
Fact or Fiction
Fog
Fog
Growth Spiral
Growth Spiral
Incubation // Incongruity
Incubation // Incongruity
Negate
Negate
Refute
Refute
Repulsive Mutation
Repulsive Mutation
Second Harvest
Second Harvest
Snakeskin Veil
Snakeskin Veil
Sorceries (9)
Counsel of the Soratami
Counsel of the Soratami
Cultivate
Cultivate
Dryad's Revival
Dryad's Revival
Explore
Explore
Harmonize
Harmonize
Neoform
Neoform
Rampant Growth
Rampant Growth
Rude Awakening
Rude Awakening
Whelming Wave
Whelming Wave
Artifacts (7)
Arcane Signet
Arcane Signet
Icon of Ancestry
Icon of Ancestry
Instruments of War
Instruments of War
Simic Cluestone
Simic Cluestone
Simic Signet
Simic Signet
Sol Ring
Sol Ring
Talisman of Curiosity
Talisman of Curiosity
Enchantments (4)
Garruk's Uprising
Garruk's Uprising
Imprisoned in the Moon
Imprisoned in the Moon
Reconnaissance Mission
Reconnaissance Mission
Teferi's Ageless Insight
Teferi's Ageless Insight
Lands (5)
Command Tower
Command Tower
Quandrix Campus
Quandrix Campus
Seat of the Synod
Seat of the Synod
Terramorphic Expanse
Terramorphic Expanse
Thornwood Falls
Thornwood Falls
Basics (3)
Forest
13 Forests
Island
14 Islands
Snow-Covered Forest
8 Snow-Covered Forests