Average Deck for Koma, Cosmos Serpent - Expensive Lands Matter
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #324
4decks
Mar 12, 2026
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Average Decklist
- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1 Aesi, Tyrant of Gyre StraitAesi, Tyrant of Gyre Strait
- 1 Arcane SignetArcane Signet
- 1 Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1 Ashaya, Soul of the WildAshaya, Soul of the Wild
- 1 Azusa, Lost but SeekingAzusa, Lost but Seeking
- 1 Barkchannel PathwayBarkchannel Pathway
- 1 Birds of ParadiseBirds of Paradise
- 1 Boseiju, Who EnduresBoseiju, Who Endures
- 1 Breeding PoolBreeding Pool
- 1 BurgeoningBurgeoning
- 1 Cavern of SoulsCavern of Souls
- 1 Command BeaconCommand Beacon
- 1 Command TowerCommand Tower
- 1 CounterspellCounterspell
- 1 Craterhoof BehemothCraterhoof Behemoth
- 1 CultivateCultivate
- 1 Cyclonic RiftCyclonic Rift
- 1 Daily Bugle BuildingDaily Bugle Building
- 1 Double MajorDouble Major
- 1 Doubling SeasonDoubling Season
- 1 Dreamroot CascadeDreamroot Cascade
- 1 Enduring VitalityEnduring Vitality
- 1 Evendo, Waking HavenEvendo, Waking Haven
- 1 ExplorationExploration
- 1 FarseekFarseek
- 1 Fierce GuardianshipFierce Guardianship
- 1 Finale of DevastationFinale of Devastation
- 6 ForestForest
- 1 Gaea's CradleGaea's Cradle
- 1 Garruk's UprisingGarruk's Uprising
- 1 Growth SpiralGrowth Spiral
- 1 Harmonized CrescendoHarmonized Crescendo
- 1 Helm of the HostHelm of the Host
- 1 Hullbreaker HorrorHullbreaker Horror
- 1 Irma, Part-Time MutantIrma, Part-Time Mutant
- 6 IslandIsland
- 1 Junk WinderJunk Winder
- 1 Kodama's ReachKodama's Reach
- 1 Koma, World-EaterKoma, World-Eater
- 1 Lessons from LifeLessons from Life
- 1 Lotus CobraLotus Cobra
- 1 Mana DrainMana Drain
- 1 Mirror BoxMirror Box
- 1 Misty RainforestMisty Rainforest
- 1 Mystic RemoraMystic Remora
- 1 Mystic SanctuaryMystic Sanctuary
- 1 Mystical TutorMystical Tutor
- 1 Nature's LoreNature's Lore
- 1 NegateNegate
- 1 Ohran FrostfangOhran Frostfang
- 1 Oko, Thief of CrownsOko, Thief of Crowns
- 1 Oracle of Mul DayaOracle of Mul Daya
- 1 Otawara, Soaring CityOtawara, Soaring City
- 1 Parallel LivesParallel Lives
- 1 Prismatic VistaPrismatic Vista
- 1 Rampant GrowthRampant Growth
- 1 Rejuvenating SpringsRejuvenating Springs
- 1 Reliquary TowerReliquary Tower
- 1 Rhystic StudyRhystic Study
- 1 Roaming ThroneRoaming Throne
- 1 Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1 Sakashima the ImpostorSakashima the Impostor
- 1 Scute SwarmScute Swarm
- 1 Sea Gate RestorationSea Gate Restoration
- 1 Seedborn MuseSeedborn Muse
- 1 Sink into StuporSink into Stupor
- 1 Skyshroud ClaimSkyshroud Claim
- 3 Snow-Covered ForestSnow-Covered Forest
- 4 Snow-Covered IslandSnow-Covered Island
- 1 Sol RingSol Ring
- 1 Spark DoubleSpark Double
- 1 Spawning KrakenSpawning Kraken
- 1 Swan SongSwan Song
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 The Great HengeThe Great Henge
- 1 The One RingThe One Ring
- 1 Three VisitsThree Visits
- 1 Tropical IslandTropical Island
- 1 Verdant CatacombsVerdant Catacombs
- 1 Whelming WaveWhelming Wave
- 1 Willowrush VergeWillowrush Verge
- 1 Worldly TutorWorldly Tutor
- 1 Yavimaya, Cradle of GrowthYavimaya, Cradle of Growth
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Aesi, Tyrant of Gyre Strait
Aesi, Tyrant of Gyre Strait
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Ashaya, Soul of the Wild
Ashaya, Soul of the Wild
Azusa, Lost but Seeking
Azusa, Lost but Seeking
Birds of Paradise
Birds of Paradise
Craterhoof Behemoth
Craterhoof Behemoth
Enduring Vitality
Enduring Vitality
Hullbreaker Horror
Hullbreaker Horror
Irma, Part-Time Mutant
Irma, Part-Time Mutant
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Lotus Cobra
Lotus Cobra
Ohran Frostfang
Ohran Frostfang
Oracle of Mul Daya
Oracle of Mul Daya
Roaming Throne
Roaming Throne
Sakashima of a Thousand Faces
Sakashima of a Thousand Faces
Sakashima the Impostor
Sakashima the Impostor
Scute Swarm
Scute Swarm
Seedborn Muse
Seedborn Muse
Spark Double
Spark Double
Spawning Kraken
Spawning Kraken
Instants (12)
Counterspell
Counterspell
Cyclonic Rift
Cyclonic Rift
Double Major
Double Major
Fierce Guardianship
Fierce Guardianship
Growth Spiral
Growth Spiral
Harmonized Crescendo
Harmonized Crescendo
Mana Drain
Mana Drain
Mystical Tutor
Mystical Tutor
Negate
Negate
Sink into Stupor
Sink into Stupor
Swan Song
Swan Song
Worldly Tutor
Worldly Tutor
Sorceries (11)
Cultivate
Cultivate
Farseek
Farseek
Finale of Devastation
Finale of Devastation
Kodama's Reach
Kodama's Reach
Lessons from Life
Lessons from Life
Nature's Lore
Nature's Lore
Rampant Growth
Rampant Growth
Sea Gate Restoration
Sea Gate Restoration
Skyshroud Claim
Skyshroud Claim
Three Visits
Three Visits
Whelming Wave
Whelming Wave
Artifacts (7)
Arcane Signet
Arcane Signet
Helm of the Host
Helm of the Host
Mirror Box
Mirror Box
Sol Ring
Sol Ring
Swiftfoot Boots
Swiftfoot Boots
The Great Henge
The Great Henge
The One Ring
The One Ring
Enchantments (7)
Burgeoning
Burgeoning
Doubling Season
Doubling Season
Exploration
Exploration
Garruk's Uprising
Garruk's Uprising
Mystic Remora
Mystic Remora
Parallel Lives
Parallel Lives
Rhystic Study
Rhystic Study
Planeswalkers (1)
Oko, Thief of Crowns
Oko, Thief of Crowns
Lands (20)
Barkchannel Pathway
Barkchannel Pathway
Boseiju, Who Endures
Boseiju, Who Endures
Breeding Pool
Breeding Pool
Cavern of Souls
Cavern of Souls
Command Beacon
Command Beacon
Command Tower
Command Tower
Daily Bugle Building
Daily Bugle Building
Dreamroot Cascade
Dreamroot Cascade
Evendo, Waking Haven
Evendo, Waking Haven
Gaea's Cradle
Gaea's Cradle
Misty Rainforest
Misty Rainforest
Mystic Sanctuary
Mystic Sanctuary
Otawara, Soaring City
Otawara, Soaring City
Prismatic Vista
Prismatic Vista
Rejuvenating Springs
Rejuvenating Springs
Reliquary Tower
Reliquary Tower
Tropical Island
Tropical Island
Verdant Catacombs
Verdant Catacombs
Willowrush Verge
Willowrush Verge
Yavimaya, Cradle of Growth
Yavimaya, Cradle of Growth
Basics (4)
Forest
6 Forests
Island
6 Islands
Snow-Covered Forest
3 Snow-Covered Forests
Snow-Covered Island
4 Snow-Covered Islands