Average Deck for Koma, Cosmos Serpent - Budget Midrange
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 (20)
- 1Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1Elder GargarothElder Gargaroth
- 1Elvish MysticElvish Mystic
- 1Grappling KrakenGrappling Kraken
- 1Hullbreaker HorrorHullbreaker Horror
- 1Jaheira, Friend of the ForestJaheira, Friend of the Forest
- 1Junk WinderJunk Winder
- 1Koma, World-EaterKoma, World-Eater
- 1Llanowar ElvesLlanowar Elves
- 1Quina, Qu GourmetQuina, Qu Gourmet
- 1Reclamation SageReclamation Sage
- 1Seedborn MuseSeedborn Muse
- 1Sin, Unending CataclysmSin, Unending Cataclysm
- 1Spark DoubleSpark Double
- 1Spawning KrakenSpawning Kraken
- 1Summon: LeviathanSummon: Leviathan
- 1Tam, Mindful First-YearTam, Mindful First-Year
- 1Tatyova, Benthic DruidTatyova, Benthic Druid
- 1Ultimecia, Temporal ThreatUltimecia, Temporal Threat
Instants (12)
- 1Airship CrashAirship Crash
- 1Broken WingsBroken Wings
- 1CounterspellCounterspell
- 1Double MajorDouble Major
- 1Elemental TeachingsElemental Teachings
- 1Growth SpiralGrowth Spiral
- 1MirrorformMirrorform
- 1NegateNegate
- 1Reality ShiftReality Shift
- 1RefuteRefute
- 1Second HarvestSecond Harvest
- 1Wild UnravelingWild Unraveling
Sorceries (10)
- 1BushwhackBushwhack
- 1Circuitous RouteCircuitous Route
- 1CultivateCultivate
- 1Irenicus's Vile DuplicationIrenicus's Vile Duplication
- 1Kodama's ReachKodama's Reach
- 1Rampant GrowthRampant Growth
- 1Rite of ReplicationRite of Replication
- 1Stock UpStock Up
- 1Traverse the OutlandsTraverse the Outlands
- 1Whelming WaveWhelming Wave
Artifacts (8)
- 1Arcane SignetArcane Signet
- 1Bident of ThassaBident of Thassa
- 1Idol of OblivionIdol of Oblivion
- 1Ring of the LuciiRing of the Lucii
- 1SkullclampSkullclamp
- 1Sol RingSol Ring
- 1Swiftfoot BootsSwiftfoot Boots
- 1Talisman of CuriosityTalisman of Curiosity
Enchantments (10)
- 1Beastmaster AscensionBeastmaster Ascension
- 1Doubling SeasonDoubling Season
- 1Fisher's TalentFisher's Talent
- 1Garruk's UprisingGarruk's Uprising
- 1Gravity WellGravity Well
- 1March of the World OozeMarch of the World Ooze
- 1Parallel LivesParallel Lives
- 1Primal RagePrimal Rage
- 1Tribute to the World TreeTribute to the World Tree
- 1Unstoppable PlanUnstoppable Plan
Lands (39)
- 1Command TowerCommand Tower
- 1Evendo, Waking HavenEvendo, Waking Haven
- 1Evolving WildsEvolving Wilds
- 1Exotic OrchardExotic Orchard
- 15ForestForest
- 1Hinterland HarborHinterland Harbor
- 15IslandIsland
- 1Myriad LandscapeMyriad Landscape
- 1Rogue's PassageRogue's Passage
- 1Temple of MysteryTemple of Mystery
- 1Vineglimmer SnarlVineglimmer Snarl
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Elder Gargaroth
Elder Gargaroth
Elvish Mystic
Elvish Mystic
Grappling Kraken
Grappling Kraken
Hullbreaker Horror
Hullbreaker Horror
Jaheira, Friend of the Forest
Jaheira, Friend of the Forest
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Quina, Qu Gourmet
Quina, Qu Gourmet
Reclamation Sage
Reclamation Sage
Seedborn Muse
Seedborn Muse
Sin, Unending Cataclysm
Sin, Unending Cataclysm
Spark Double
Spark Double
Spawning Kraken
Spawning Kraken
Summon: Leviathan
Summon: Leviathan
Tam, Mindful First-Year
Tam, Mindful First-Year
Tatyova, Benthic Druid
Tatyova, Benthic Druid
Ultimecia, Temporal Threat
Ultimecia, Temporal Threat
Instants (12)
Airship Crash
Airship Crash
Broken Wings
Broken Wings
Counterspell
Counterspell
Double Major
Double Major
Elemental Teachings
Elemental Teachings
Growth Spiral
Growth Spiral
Mirrorform
Mirrorform
Negate
Negate
Reality Shift
Reality Shift
Refute
Refute
Second Harvest
Second Harvest
Wild Unraveling
Wild Unraveling
Sorceries (10)
Bushwhack
Bushwhack
Circuitous Route
Circuitous Route
Cultivate
Cultivate
Irenicus's Vile Duplication
Irenicus's Vile Duplication
Kodama's Reach
Kodama's Reach
Rampant Growth
Rampant Growth
Rite of Replication
Rite of Replication
Stock Up
Stock Up
Traverse the Outlands
Traverse the Outlands
Whelming Wave
Whelming Wave
Artifacts (8)
Arcane Signet
Arcane Signet
Bident of Thassa
Bident of Thassa
Idol of Oblivion
Idol of Oblivion
Ring of the Lucii
Ring of the Lucii
Skullclamp
Skullclamp
Sol Ring
Sol Ring
Swiftfoot Boots
Swiftfoot Boots
Talisman of Curiosity
Talisman of Curiosity
Enchantments (10)
Beastmaster Ascension
Beastmaster Ascension
Doubling Season
Doubling Season
Fisher's Talent
Fisher's Talent
Garruk's Uprising
Garruk's Uprising
Gravity Well
Gravity Well
March of the World Ooze
March of the World Ooze
Parallel Lives
Parallel Lives
Primal Rage
Primal Rage
Tribute to the World Tree
Tribute to the World Tree
Unstoppable Plan
Unstoppable Plan
Lands (9)
Command Tower
Command Tower
Evendo, Waking Haven
Evendo, Waking Haven
Evolving Wilds
Evolving Wilds
Exotic Orchard
Exotic Orchard
Hinterland Harbor
Hinterland Harbor
Myriad Landscape
Myriad Landscape
Rogue's Passage
Rogue's Passage
Temple of Mystery
Temple of Mystery
Vineglimmer Snarl
Vineglimmer Snarl
Basics (2)
Forest
15 Forest
Island
15 Island