Average Deck for Koma, Cosmos Serpent - Expensive Lands Matter
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #341
4decks
Mar 12, 2026
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Decklist
Commander
- 1Koma, Cosmos SerpentKoma, Cosmos Serpent
Creatures (23)
- 1Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1Aesi, Tyrant of Gyre StraitAesi, Tyrant of Gyre Strait
- 1Archetype of ImaginationArchetype of Imagination
- 1Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1Birds of ParadiseBirds of Paradise
- 1Craterhoof BehemothCraterhoof Behemoth
- 1Enduring VitalityEnduring Vitality
- 1Hullbreaker HorrorHullbreaker Horror
- 1Junk WinderJunk Winder
- 1Koma, World-EaterKoma, World-Eater
- 1Lotus CobraLotus Cobra
- 1Ohran FrostfangOhran Frostfang
- 1Rampaging BalothsRampaging Baloths
- 1Roaming ThroneRoaming Throne
- 1Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1Sakashima the ImpostorSakashima the Impostor
- 1Scute SwarmScute Swarm
- 1Seedborn MuseSeedborn Muse
- 1Serpent of Yawning DepthsSerpent of Yawning Depths
- 1Spark DoubleSpark Double
- 1Spawning KrakenSpawning Kraken
- 1Tireless ProvisionerTireless Provisioner
- 1Uro, Titan of Nature's WrathUro, Titan of Nature's Wrath
Instants (12)
- 1Beast WithinBeast Within
- 1CounterspellCounterspell
- 1Cyclonic RiftCyclonic Rift
- 1Double MajorDouble Major
- 1Fierce GuardianshipFierce Guardianship
- 1Growth SpiralGrowth Spiral
- 1Heroic InterventionHeroic Intervention
- 1Mana DrainMana Drain
- 1Mystical TutorMystical Tutor
- 1Pact of NegationPact of Negation
- 1Swan SongSwan Song
- 1Worldly TutorWorldly Tutor
Sorceries (10)
- 1CultivateCultivate
- 1FarseekFarseek
- 1Green Sun's ZenithGreen Sun's Zenith
- 1Kodama's ReachKodama's Reach
- 1Lessons from LifeLessons from Life
- 1Nature's LoreNature's Lore
- 1Rishkar's ExpertiseRishkar's Expertise
- 1Skyshroud ClaimSkyshroud Claim
- 1Three VisitsThree Visits
- 1Whelming WaveWhelming Wave
Artifacts (8)
- 1Arcane SignetArcane Signet
- 1Emerald MedallionEmerald Medallion
- 1Lightning GreavesLightning Greaves
- 1Mirror BoxMirror Box
- 1Sol RingSol Ring
- 1Swiftfoot BootsSwiftfoot Boots
- 1Talisman of CuriosityTalisman of Curiosity
- 1Thought VesselThought Vessel
Enchantments (7)
- 1BurgeoningBurgeoning
- 1Doubling SeasonDoubling Season
- 1Elemental BondElemental Bond
- 1Mystic RemoraMystic Remora
- 1Parallel LivesParallel Lives
- 1Rhystic StudyRhystic Study
- 1Tribute to the World TreeTribute to the World Tree
Planeswalker (1)
- 1Oko, Thief of CrownsOko, Thief of Crowns
Lands (38)
- 1Ancient TombAncient Tomb
- 1Barkchannel PathwayBarkchannel Pathway
- 1Boseiju, Who EnduresBoseiju, Who Endures
- 1Breeding PoolBreeding Pool
- 1Cavern of SoulsCavern of Souls
- 1Command BeaconCommand Beacon
- 1Command TowerCommand Tower
- 1Dreamroot CascadeDreamroot Cascade
- 1Flooded GroveFlooded Grove
- 1Flooded StrandFlooded Strand
- 8ForestForest
- 1Gaea's CradleGaea's Cradle
- 1Hinterland HarborHinterland Harbor
- 8IslandIsland
- 1Misty RainforestMisty Rainforest
- 1Mystic SanctuaryMystic Sanctuary
- 1Prismatic VistaPrismatic Vista
- 1Rejuvenating SpringsRejuvenating Springs
- 1Reliquary TowerReliquary Tower
- 1Tropical IslandTropical Island
- 1Verdant CatacombsVerdant Catacombs
- 1Willowrush VergeWillowrush Verge
- 1Wooded FoothillsWooded Foothills
- 1Yavimaya CoastYavimaya Coast
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Aesi, Tyrant of Gyre Strait
Aesi, Tyrant of Gyre Strait
Archetype of Imagination
Archetype of Imagination
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Birds of Paradise
Birds of Paradise
Craterhoof Behemoth
Craterhoof Behemoth
Enduring Vitality
Enduring Vitality
Hullbreaker Horror
Hullbreaker Horror
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Lotus Cobra
Lotus Cobra
Ohran Frostfang
Ohran Frostfang
Rampaging Baloths
Rampaging Baloths
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
Serpent of Yawning Depths
Serpent of Yawning Depths
Spark Double
Spark Double
Spawning Kraken
Spawning Kraken
Tireless Provisioner
Tireless Provisioner
Uro, Titan of Nature's Wrath
Uro, Titan of Nature's Wrath
Instants (12)
Beast Within
Beast Within
Counterspell
Counterspell
Cyclonic Rift
Cyclonic Rift
Double Major
Double Major
Fierce Guardianship
Fierce Guardianship
Growth Spiral
Growth Spiral
Heroic Intervention
Heroic Intervention
Mana Drain
Mana Drain
Mystical Tutor
Mystical Tutor
Pact of Negation
Pact of Negation
Swan Song
Swan Song
Worldly Tutor
Worldly Tutor
Sorceries (10)
Cultivate
Cultivate
Farseek
Farseek
Green Sun's Zenith
Green Sun's Zenith
Kodama's Reach
Kodama's Reach
Lessons from Life
Lessons from Life
Nature's Lore
Nature's Lore
Rishkar's Expertise
Rishkar's Expertise
Skyshroud Claim
Skyshroud Claim
Three Visits
Three Visits
Whelming Wave
Whelming Wave
Artifacts (8)
Arcane Signet
Arcane Signet
Emerald Medallion
Emerald Medallion
Lightning Greaves
Lightning Greaves
Mirror Box
Mirror Box
Sol Ring
Sol Ring
Swiftfoot Boots
Swiftfoot Boots
Talisman of Curiosity
Talisman of Curiosity
Thought Vessel
Thought Vessel
Enchantments (7)
Burgeoning
Burgeoning
Doubling Season
Doubling Season
Elemental Bond
Elemental Bond
Mystic Remora
Mystic Remora
Parallel Lives
Parallel Lives
Rhystic Study
Rhystic Study
Tribute to the World Tree
Tribute to the World Tree
Planeswalkers (1)
Oko, Thief of Crowns
Oko, Thief of Crowns
Lands (22)
Ancient Tomb
Ancient Tomb
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
Dreamroot Cascade
Dreamroot Cascade
Flooded Grove
Flooded Grove
Flooded Strand
Flooded Strand
Gaea's Cradle
Gaea's Cradle
Hinterland Harbor
Hinterland Harbor
Misty Rainforest
Misty Rainforest
Mystic Sanctuary
Mystic Sanctuary
Prismatic Vista
Prismatic Vista
Rejuvenating Springs
Rejuvenating Springs
Reliquary Tower
Reliquary Tower
Tropical Island
Tropical Island
Verdant Catacombs
Verdant Catacombs
Willowrush Verge
Willowrush Verge
Wooded Foothills
Wooded Foothills
Yavimaya Coast
Yavimaya Coast
Basics (2)
Forest
8 Forest
Island
8 Island