Average Deck for Koma, Cosmos Serpent - Expensive Midrange
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #325
3decks
Mar 12, 2026
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Average Decklist
- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 An Offer You Can't RefuseAn Offer You Can't Refuse
- 1 Ancient TombAncient Tomb
- 1 Arcane SignetArcane Signet
- 1 Archdruid's CharmArchdruid's Charm
- 1 Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1 Badgermole CubBadgermole Cub
- 1 Beast WithinBeast Within
- 1 Birds of ParadiseBirds of Paradise
- 1 Boseiju, Who EnduresBoseiju, Who Endures
- 1 Breeding PoolBreeding Pool
- 1 Carpet of FlowersCarpet of Flowers
- 1 Chord of CallingChord of Calling
- 1 Command TowerCommand Tower
- 1 Consecrated SphinxConsecrated Sphinx
- 1 CounterspellCounterspell
- 1 Craterhoof BehemothCraterhoof Behemoth
- 1 Crop RotationCrop Rotation
- 1 Cyclonic RiftCyclonic Rift
- 1 Delighted HalflingDelighted Halfling
- 1 Doubling SeasonDoubling Season
- 1 Elvish MysticElvish Mystic
- 1 Enduring VitalityEnduring Vitality
- 1 Evendo, Waking HavenEvendo, Waking Haven
- 1 Fierce GuardianshipFierce Guardianship
- 1 Finale of DevastationFinale of Devastation
- 1 FlusterstormFlusterstorm
- 1 Force of NegationForce of Negation
- 1 Force of VigorForce of Vigor
- 1 Force of WillForce of Will
- 2 ForestForest
- 1 Fyndhorn ElvesFyndhorn Elves
- 1 Gaea's CradleGaea's Cradle
- 1 Gene PollinatorGene Pollinator
- 1 Green Sun's ZenithGreen Sun's Zenith
- 1 Hedge MazeHedge Maze
- 1 Heroic InterventionHeroic Intervention
- 1 Irenicus's Vile DuplicationIrenicus's Vile Duplication
- 2 IslandIsland
- 1 Junk WinderJunk Winder
- 1 Kinnan, Bonder ProdigyKinnan, Bonder Prodigy
- 1 Legolas's Quick ReflexesLegolas's Quick Reflexes
- 1 Lotus PetalLotus Petal
- 1 Mana ConfluenceMana Confluence
- 1 Mana DrainMana Drain
- 1 Mana VaultMana Vault
- 1 Minamo, School at Water's EdgeMinamo, School at Water's Edge
- 1 Mindbreak TrapMindbreak Trap
- 1 Mistrise VillageMistrise Village
- 1 Misty RainforestMisty Rainforest
- 1 Mystic RemoraMystic Remora
- 1 Mystical TutorMystical Tutor
- 1 NeoformNeoform
- 1 Null RodNull Rod
- 1 Ohran FrostfangOhran Frostfang
- 1 Otawara, Soaring CityOtawara, Soaring City
- 1 Parallel LivesParallel Lives
- 1 Plaza of HeroesPlaza of Heroes
- 1 Polluted DeltaPolluted Delta
- 1 Prismatic VistaPrismatic Vista
- 1 Quantum MisalignmentQuantum Misalignment
- 1 Rejuvenating SpringsRejuvenating Springs
- 1 Rhystic StudyRhystic Study
- 1 Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1 Sakashima the ImpostorSakashima the Impostor
- 1 Sea Gate RestorationSea Gate Restoration
- 1 Sink into StuporSink into Stupor
- 1 SkullclampSkullclamp
- 1 Snow-Covered ForestSnow-Covered Forest
- 2 Snow-Covered IslandSnow-Covered Island
- 1 Sol RingSol Ring
- 1 Sowing MycospawnSowing Mycospawn
- 1 Spark DoubleSpark Double
- 1 SpellskiteSpellskite
- 1 Springleaf ParadeSpringleaf Parade
- 1 Static OrbStatic Orb
- 1 Swan SongSwan Song
- 1 Sylvan LibrarySylvan Library
- 1 Sylvan SafekeeperSylvan Safekeeper
- 1 The Cabbage MerchantThe Cabbage Merchant
- 1 The One RingThe One Ring
- 1 The Unagi of Kyoshi IslandThe Unagi of Kyoshi Island
- 1 Three Tree CityThree Tree City
- 1 Three VisitsThree Visits
- 1 Tribute to the World TreeTribute to the World Tree
- 1 TrinisphereTrinisphere
- 1 Triumph of the HordesTriumph of the Hordes
- 1 Tropical IslandTropical Island
- 1 Turntimber SymbiosisTurntimber Symbiosis
- 1 Verdant CatacombsVerdant Catacombs
- 1 Waterlogged GroveWaterlogged Grove
- 1 Windswept HeathWindswept Heath
- 1 Winter OrbWinter Orb
- 1 Wooded FoothillsWooded Foothills
- 1 Worldly TutorWorldly Tutor
- 1 Yavimaya CoastYavimaya Coast
- 1 Yavimaya, Cradle of GrowthYavimaya, Cradle of Growth
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Badgermole Cub
Badgermole Cub
Birds of Paradise
Birds of Paradise
Consecrated Sphinx
Consecrated Sphinx
Craterhoof Behemoth
Craterhoof Behemoth
Delighted Halfling
Delighted Halfling
Elvish Mystic
Elvish Mystic
Enduring Vitality
Enduring Vitality
Fyndhorn Elves
Fyndhorn Elves
Gene Pollinator
Gene Pollinator
Junk Winder
Junk Winder
Kinnan, Bonder Prodigy
Kinnan, Bonder Prodigy
Ohran Frostfang
Ohran Frostfang
Sakashima of a Thousand Faces
Sakashima of a Thousand Faces
Sakashima the Impostor
Sakashima the Impostor
Sowing Mycospawn
Sowing Mycospawn
Spark Double
Spark Double
Spellskite
Spellskite
Sylvan Safekeeper
Sylvan Safekeeper
The Cabbage Merchant
The Cabbage Merchant
The Unagi of Kyoshi Island
The Unagi of Kyoshi Island
Instants (20)
An Offer You Can't Refuse
An Offer You Can't Refuse
Archdruid's Charm
Archdruid's Charm
Beast Within
Beast Within
Chord of Calling
Chord of Calling
Counterspell
Counterspell
Crop Rotation
Crop Rotation
Cyclonic Rift
Cyclonic Rift
Fierce Guardianship
Fierce Guardianship
Flusterstorm
Flusterstorm
Force of Negation
Force of Negation
Force of Vigor
Force of Vigor
Force of Will
Force of Will
Heroic Intervention
Heroic Intervention
Legolas's Quick Reflexes
Legolas's Quick Reflexes
Mana Drain
Mana Drain
Mindbreak Trap
Mindbreak Trap
Mystical Tutor
Mystical Tutor
Sink into Stupor
Sink into Stupor
Swan Song
Swan Song
Worldly Tutor
Worldly Tutor
Sorceries (9)
Finale of Devastation
Finale of Devastation
Green Sun's Zenith
Green Sun's Zenith
Irenicus's Vile Duplication
Irenicus's Vile Duplication
Neoform
Neoform
Quantum Misalignment
Quantum Misalignment
Sea Gate Restoration
Sea Gate Restoration
Three Visits
Three Visits
Triumph of the Hordes
Triumph of the Hordes
Turntimber Symbiosis
Turntimber Symbiosis
Artifacts (10)
Arcane Signet
Arcane Signet
Lotus Petal
Lotus Petal
Mana Vault
Mana Vault
Null Rod
Null Rod
Skullclamp
Skullclamp
Sol Ring
Sol Ring
Static Orb
Static Orb
The One Ring
The One Ring
Trinisphere
Trinisphere
Winter Orb
Winter Orb
Enchantments (8)
Carpet of Flowers
Carpet of Flowers
Doubling Season
Doubling Season
Mystic Remora
Mystic Remora
Parallel Lives
Parallel Lives
Rhystic Study
Rhystic Study
Springleaf Parade
Springleaf Parade
Sylvan Library
Sylvan Library
Tribute to the World Tree
Tribute to the World Tree
Lands (24)
Ancient Tomb
Ancient Tomb
Boseiju, Who Endures
Boseiju, Who Endures
Breeding Pool
Breeding Pool
Command Tower
Command Tower
Evendo, Waking Haven
Evendo, Waking Haven
Gaea's Cradle
Gaea's Cradle
Hedge Maze
Hedge Maze
Mana Confluence
Mana Confluence
Minamo, School at Water's Edge
Minamo, School at Water's Edge
Mistrise Village
Mistrise Village
Misty Rainforest
Misty Rainforest
Otawara, Soaring City
Otawara, Soaring City
Plaza of Heroes
Plaza of Heroes
Polluted Delta
Polluted Delta
Prismatic Vista
Prismatic Vista
Rejuvenating Springs
Rejuvenating Springs
Three Tree City
Three Tree City
Tropical Island
Tropical Island
Verdant Catacombs
Verdant Catacombs
Waterlogged Grove
Waterlogged Grove
Windswept Heath
Windswept Heath
Wooded Foothills
Wooded Foothills
Yavimaya Coast
Yavimaya Coast
Yavimaya, Cradle of Growth
Yavimaya, Cradle of Growth
Basics (4)
Forest
2 Forests
Island
2 Islands
Snow-Covered Forest
1 Snow-Covered Forest
Snow-Covered Island
2 Snow-Covered Islands