Average Deck for Koma, Cosmos Serpent - Expensive +1/+1 Counters
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #342
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 Arwen, Weaver of HopeArwen, Weaver of Hope
- 1 Avabruck CaretakerAvabruck Caretaker
- 1 Bane of ProgressBane of Progress
- 1 Beast WithinBeast Within
- 1 Beastmaster AscensionBeastmaster Ascension
- 1 Birds of ParadiseBirds of Paradise
- 1 Boseiju, Who EnduresBoseiju, Who Endures
- 1 Breeding PoolBreeding Pool
- 1 Command TowerCommand Tower
- 1 Consecrated SphinxConsecrated Sphinx
- 1 CounterspellCounterspell
- 1 Craterhoof BehemothCraterhoof Behemoth
- 1 CultivateCultivate
- 1 Cyclonic RiftCyclonic Rift
- 1 Day's UndoingDay's Undoing
- 1 Decanter of Endless WaterDecanter of Endless Water
- 1 Doubling SeasonDoubling Season
- 1 Dreamroot CascadeDreamroot Cascade
- 1 Elemental BondElemental Bond
- 1 Elvish MysticElvish Mystic
- 1 Ember Island ProductionEmber Island Production
- 1 FarseekFarseek
- 1 Fierce GuardianshipFierce Guardianship
- 1 Flooded GroveFlooded Grove
- 1 Force of VigorForce of Vigor
- 9 ForestForest
- 1 Gaea's CradleGaea's Cradle
- 1 Growth SpiralGrowth Spiral
- 1 Helm of the HostHelm of the Host
- 1 Heroic InterventionHeroic Intervention
- 1 Hinterland HarborHinterland Harbor
- 1 Imprisoned in the MoonImprisoned in the Moon
- 10 IslandIsland
- 1 Junk WinderJunk Winder
- 1 Kindred DiscoveryKindred Discovery
- 1 Kodama's ReachKodama's Reach
- 1 Koma, World-EaterKoma, World-Eater
- 1 Lightning GreavesLightning Greaves
- 1 Llanowar ElvesLlanowar Elves
- 1 Mana DrainMana Drain
- 1 Misty RainforestMisty Rainforest
- 1 Mithril CoatMithril Coat
- 1 Murkfiend LiegeMurkfiend Liege
- 1 Myriad LandscapeMyriad Landscape
- 1 Mystic RemoraMystic Remora
- 1 Nature's LoreNature's Lore
- 1 Otawara, Soaring CityOtawara, Soaring City
- 1 Ozolith, the Shattered SpireOzolith, the Shattered Spire
- 1 Parallel LivesParallel Lives
- 1 Railway BrawlerRailway Brawler
- 1 Rampant GrowthRampant Growth
- 1 Rejuvenating SpringsRejuvenating Springs
- 1 Reliquary TowerReliquary Tower
- 1 Return of the WildspeakerReturn of the Wildspeaker
- 1 Rhystic StudyRhystic Study
- 1 Roaming ThroneRoaming Throne
- 1 Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1 Sakura-Tribe ElderSakura-Tribe Elder
- 1 Serpent of Yawning DepthsSerpent of Yawning Depths
- 1 Simic AscendancySimic Ascendancy
- 1 Simic Growth ChamberSimic Growth Chamber
- 1 Simic SignetSimic Signet
- 1 Sol RingSol Ring
- 1 Spark DoubleSpark Double
- 1 Stroke of GeniusStroke of Genius
- 1 Sun Quan, Lord of WuSun Quan, Lord of Wu
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 The Great HengeThe Great Henge
- 1 The Unagi of Kyoshi IslandThe Unagi of Kyoshi Island
- 1 The Walls of Ba Sing SeThe Walls of Ba Sing Se
- 1 Thought VesselThought Vessel
- 1 Three VisitsThree Visits
- 1 Tribute to the World TreeTribute to the World Tree
- 1 Tropical IslandTropical Island
- 1 Utopia SprawlUtopia Sprawl
- 1 Vineglimmer SnarlVineglimmer Snarl
- 1 Wild GrowthWild Growth
- 1 Wooded FoothillsWooded Foothills
- 1 Worldly TutorWorldly Tutor
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Aesi, Tyrant of Gyre Strait
Aesi, Tyrant of Gyre Strait
Arwen, Weaver of Hope
Arwen, Weaver of Hope
Avabruck Caretaker
Avabruck Caretaker
Bane of Progress
Bane of Progress
Birds of Paradise
Birds of Paradise
Consecrated Sphinx
Consecrated Sphinx
Craterhoof Behemoth
Craterhoof Behemoth
Elvish Mystic
Elvish Mystic
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Murkfiend Liege
Murkfiend Liege
Railway Brawler
Railway Brawler
Roaming Throne
Roaming Throne
Sakashima of a Thousand Faces
Sakashima of a Thousand Faces
Sakura-Tribe Elder
Sakura-Tribe Elder
Serpent of Yawning Depths
Serpent of Yawning Depths
Spark Double
Spark Double
Sun Quan, Lord of Wu
Sun Quan, Lord of Wu
The Unagi of Kyoshi Island
The Unagi of Kyoshi Island
The Walls of Ba Sing Se
The Walls of Ba Sing Se
Instants (11)
Beast Within
Beast Within
Counterspell
Counterspell
Cyclonic Rift
Cyclonic Rift
Fierce Guardianship
Fierce Guardianship
Force of Vigor
Force of Vigor
Growth Spiral
Growth Spiral
Heroic Intervention
Heroic Intervention
Mana Drain
Mana Drain
Return of the Wildspeaker
Return of the Wildspeaker
Stroke of Genius
Stroke of Genius
Worldly Tutor
Worldly Tutor
Sorceries (8)
Cultivate
Cultivate
Day's Undoing
Day's Undoing
Ember Island Production
Ember Island Production
Farseek
Farseek
Kodama's Reach
Kodama's Reach
Nature's Lore
Nature's Lore
Rampant Growth
Rampant Growth
Three Visits
Three Visits
Artifacts (11)
Arcane Signet
Arcane Signet
Decanter of Endless Water
Decanter of Endless Water
Helm of the Host
Helm of the Host
Lightning Greaves
Lightning Greaves
Mithril Coat
Mithril Coat
Ozolith, the Shattered Spire
Ozolith, the Shattered Spire
Simic Signet
Simic Signet
Sol Ring
Sol Ring
Swiftfoot Boots
Swiftfoot Boots
The Great Henge
The Great Henge
Thought Vessel
Thought Vessel
Enchantments (12)
Beastmaster Ascension
Beastmaster Ascension
Doubling Season
Doubling Season
Elemental Bond
Elemental Bond
Imprisoned in the Moon
Imprisoned in the Moon
Kindred Discovery
Kindred Discovery
Mystic Remora
Mystic Remora
Parallel Lives
Parallel Lives
Rhystic Study
Rhystic Study
Simic Ascendancy
Simic Ascendancy
Tribute to the World Tree
Tribute to the World Tree
Utopia Sprawl
Utopia Sprawl
Wild Growth
Wild Growth
Lands (16)
Boseiju, Who Endures
Boseiju, Who Endures
Breeding Pool
Breeding Pool
Command Tower
Command Tower
Dreamroot Cascade
Dreamroot Cascade
Flooded Grove
Flooded Grove
Gaea's Cradle
Gaea's Cradle
Hinterland Harbor
Hinterland Harbor
Misty Rainforest
Misty Rainforest
Myriad Landscape
Myriad Landscape
Otawara, Soaring City
Otawara, Soaring City
Rejuvenating Springs
Rejuvenating Springs
Reliquary Tower
Reliquary Tower
Simic Growth Chamber
Simic Growth Chamber
Tropical Island
Tropical Island
Vineglimmer Snarl
Vineglimmer Snarl
Wooded Foothills
Wooded Foothills
Basics (2)
Forest
9 Forest
Island
10 Island