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Average Deck for Koma, Cosmos Serpent - Core Clones
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #341
19decks
Mar 12, 2026
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Decklist
Commander
- 1Koma, Cosmos SerpentKoma, Cosmos Serpent
Creatures (24)
- 1Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1Aesi, Tyrant of Gyre StraitAesi, Tyrant of Gyre Strait
- 1Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1Birds of ParadiseBirds of Paradise
- 1Elvish MysticElvish Mystic
- 1Enduring VitalityEnduring Vitality
- 1Esix, Fractal BloomEsix, Fractal Bloom
- 1Hullbreaker HorrorHullbreaker Horror
- 1Junk WinderJunk Winder
- 1Koma, World-EaterKoma, World-Eater
- 1Llanowar ElvesLlanowar Elves
- 1Murkfiend LiegeMurkfiend Liege
- 1OctomancerOctomancer
- 1Ohran FrostfangOhran Frostfang
- 1Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1Sakashima the ImpostorSakashima the Impostor
- 1Sakura-Tribe ElderSakura-Tribe Elder
- 1Scute SwarmScute Swarm
- 1Serpent of Yawning DepthsSerpent of Yawning Depths
- 1Slinn Voda, the Rising DeepSlinn Voda, the Rising Deep
- 1Spark DoubleSpark Double
- 1Spawning KrakenSpawning Kraken
- 1Studious First-YearStudious First-Year
- 1Tatyova, Benthic DruidTatyova, Benthic Druid
Instants (11)
- 1Arcane DenialArcane Denial
- 1Beast WithinBeast Within
- 1CounterspellCounterspell
- 1Double MajorDouble Major
- 1Growth SpiralGrowth Spiral
- 1Heroic InterventionHeroic Intervention
- 1NegateNegate
- 1PongifyPongify
- 1Rapid HybridizationRapid Hybridization
- 1Return of the WildspeakerReturn of the Wildspeaker
- 1Second HarvestSecond Harvest
Sorceries (12)
- 1CultivateCultivate
- 1FarseekFarseek
- 1Irenicus's Vile DuplicationIrenicus's Vile Duplication
- 1Kodama's ReachKodama's Reach
- 1Migration PathMigration Path
- 1Nature's LoreNature's Lore
- 1Quantum MisalignmentQuantum Misalignment
- 1Rampant GrowthRampant Growth
- 1Rite of ReplicationRite of Replication
- 1Skyshroud ClaimSkyshroud Claim
- 1Three VisitsThree Visits
- 1Whelming WaveWhelming Wave
Artifacts (7)
- 1Arcane SignetArcane Signet
- 1Combine ChrysalisCombine Chrysalis
- 1Helm of the HostHelm of the Host
- 1Mirror BoxMirror Box
- 1Simic SignetSimic Signet
- 1Sol RingSol Ring
- 1Talisman of CuriosityTalisman of Curiosity
Enchantments (7)
- 1Doubling SeasonDoubling Season
- 1Elemental BondElemental Bond
- 1Garruk's UprisingGarruk's Uprising
- 1Growing Rites of ItlimocGrowing Rites of Itlimoc
- 1Kindred DiscoveryKindred Discovery
- 1Parallel LivesParallel Lives
- 1Tribute to the World TreeTribute to the World Tree
Lands (38)
- 1Breeding PoolBreeding Pool
- 1Command TowerCommand Tower
- 1Dreamroot CascadeDreamroot Cascade
- 1Fabled PassageFabled Passage
- 1Flooded GroveFlooded Grove
- 9ForestForest
- 1Hinterland HarborHinterland Harbor
- 9IslandIsland
- 1Myriad LandscapeMyriad Landscape
- 1Rejuvenating SpringsRejuvenating Springs
- 1Reliquary TowerReliquary Tower
- 1Rimewood FallsRimewood Falls
- 1Simic Growth ChamberSimic Growth Chamber
- 5Snow-Covered ForestSnow-Covered Forest
- 1Tangled IsletTangled Islet
- 1Temple of MysteryTemple of Mystery
- 1Vineglimmer SnarlVineglimmer Snarl
- 1Yavimaya CoastYavimaya Coast
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Aesi, Tyrant of Gyre Strait
Aesi, Tyrant of Gyre Strait
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Birds of Paradise
Birds of Paradise
Elvish Mystic
Elvish Mystic
Enduring Vitality
Enduring Vitality
Esix, Fractal Bloom
Esix, Fractal Bloom
Hullbreaker Horror
Hullbreaker Horror
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Murkfiend Liege
Murkfiend Liege
Octomancer
Octomancer
Ohran Frostfang
Ohran Frostfang
Sakashima of a Thousand Faces
Sakashima of a Thousand Faces
Sakashima the Impostor
Sakashima the Impostor
Sakura-Tribe Elder
Sakura-Tribe Elder
Scute Swarm
Scute Swarm
Serpent of Yawning Depths
Serpent of Yawning Depths
Slinn Voda, the Rising Deep
Slinn Voda, the Rising Deep
Spark Double
Spark Double
Spawning Kraken
Spawning Kraken
Studious First-Year
Studious First-Year
Tatyova, Benthic Druid
Tatyova, Benthic Druid
Instants (11)
Arcane Denial
Arcane Denial
Beast Within
Beast Within
Counterspell
Counterspell
Double Major
Double Major
Growth Spiral
Growth Spiral
Heroic Intervention
Heroic Intervention
Negate
Negate
Pongify
Pongify
Rapid Hybridization
Rapid Hybridization
Return of the Wildspeaker
Return of the Wildspeaker
Second Harvest
Second Harvest
Sorceries (12)
Cultivate
Cultivate
Farseek
Farseek
Irenicus's Vile Duplication
Irenicus's Vile Duplication
Kodama's Reach
Kodama's Reach
Migration Path
Migration Path
Nature's Lore
Nature's Lore
Quantum Misalignment
Quantum Misalignment
Rampant Growth
Rampant Growth
Rite of Replication
Rite of Replication
Skyshroud Claim
Skyshroud Claim
Three Visits
Three Visits
Whelming Wave
Whelming Wave
Artifacts (7)
Arcane Signet
Arcane Signet
Combine Chrysalis
Combine Chrysalis
Helm of the Host
Helm of the Host
Mirror Box
Mirror Box
Simic Signet
Simic Signet
Sol Ring
Sol Ring
Talisman of Curiosity
Talisman of Curiosity
Enchantments (7)
Doubling Season
Doubling Season
Elemental Bond
Elemental Bond
Garruk's Uprising
Garruk's Uprising
Growing Rites of Itlimoc
Growing Rites of Itlimoc
Kindred Discovery
Kindred Discovery
Parallel Lives
Parallel Lives
Tribute to the World Tree
Tribute to the World Tree
Lands (15)
Breeding Pool
Breeding Pool
Command Tower
Command Tower
Dreamroot Cascade
Dreamroot Cascade
Fabled Passage
Fabled Passage
Flooded Grove
Flooded Grove
Hinterland Harbor
Hinterland Harbor
Myriad Landscape
Myriad Landscape
Rejuvenating Springs
Rejuvenating Springs
Reliquary Tower
Reliquary Tower
Rimewood Falls
Rimewood Falls
Simic Growth Chamber
Simic Growth Chamber
Tangled Islet
Tangled Islet
Temple of Mystery
Temple of Mystery
Vineglimmer Snarl
Vineglimmer Snarl
Yavimaya Coast
Yavimaya Coast
Basics (3)
Forest
9 Forest
Island
9 Island
Snow-Covered Forest
5 Snow-Covered Forest