This page includes only decks with user-set brackets. Auto-detected brackets are not included.
Average Deck for Koma, Cosmos Serpent - cEDH
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #341
22decks
Mar 12, 2026
Fun Alternatives for the Top Ten Saltiest Commanders
Is your playgroup tired of your Tergrid deck? (Can't blame them.) Then check out this list of replacements for the saltiest commanders.
Feb 4, 2026
Ten Brutal Cards To Try With The Cloning of Shredder
The Cloning of Shredder creates three nonlegendary token copies of a card you exile from your graveyard. What are the best ways to break it?
Decklist
Commander
- 1Koma, Cosmos SerpentKoma, Cosmos Serpent
Creatures (20)
- 1Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1Birds of ParadiseBirds of Paradise
- 1Collector OupheCollector Ouphe
- 1Craterhoof BehemothCraterhoof Behemoth
- 1Delighted HalflingDelighted Halfling
- 1Elvish MysticElvish Mystic
- 1EnduranceEndurance
- 1Enduring VitalityEnduring Vitality
- 1Gilded DrakeGilded Drake
- 1Hullbreaker HorrorHullbreaker Horror
- 1Junk WinderJunk Winder
- 1Kinnan, Bonder ProdigyKinnan, Bonder Prodigy
- 1Llanowar ElvesLlanowar Elves
- 1Murkfiend LiegeMurkfiend Liege
- 1Phyrexian MetamorphPhyrexian Metamorph
- 1Roaming ThroneRoaming Throne
- 1Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1Sakashima the ImpostorSakashima the Impostor
- 1Seedborn MuseSeedborn Muse
- 1Spark DoubleSpark Double
Instants (19)
- 1An Offer You Can't RefuseAn Offer You Can't Refuse
- 1Chord of CallingChord of Calling
- 1CounterspellCounterspell
- 1Crop RotationCrop Rotation
- 1Cyclonic RiftCyclonic Rift
- 1Fierce GuardianshipFierce Guardianship
- 1FlusterstormFlusterstorm
- 1Force of NegationForce of Negation
- 1Force of WillForce of Will
- 1Heroic InterventionHeroic Intervention
- 1Mana DrainMana Drain
- 1Mental MisstepMental Misstep
- 1Mindbreak TrapMindbreak Trap
- 1Mystical TutorMystical Tutor
- 1NegateNegate
- 1Pact of NegationPact of Negation
- 1Swan SongSwan Song
- 1Veil of SummerVeil of Summer
- 1Worldly TutorWorldly Tutor
Sorceries (7)
- 1CultivateCultivate
- 1Finale of DevastationFinale of Devastation
- 1Green Sun's ZenithGreen Sun's Zenith
- 1Kodama's ReachKodama's Reach
- 1Nature's LoreNature's Lore
- 1Three VisitsThree Visits
- 1Whelming WaveWhelming Wave
Artifacts (11)
- 1Arcane SignetArcane Signet
- 1Chrome MoxChrome Mox
- 1Grim MonolithGrim Monolith
- 1Helm of the HostHelm of the Host
- 1Lotus PetalLotus Petal
- 1Mana VaultMana Vault
- 1Mox DiamondMox Diamond
- 1Sol RingSol Ring
- 1Static OrbStatic Orb
- 1The One RingThe One Ring
- 1Winter OrbWinter Orb
Enchantments (9)
- 1BurgeoningBurgeoning
- 1Carpet of FlowersCarpet of Flowers
- 1Doubling SeasonDoubling Season
- 1Elemental BondElemental Bond
- 1Mystic RemoraMystic Remora
- 1Parallel LivesParallel Lives
- 1Rhystic StudyRhystic Study
- 1Sylvan LibrarySylvan Library
- 1Tribute to the World TreeTribute to the World Tree
Planeswalker (1)
- 1Oko, Thief of CrownsOko, Thief of Crowns
Lands (32)
- 1Ancient TombAncient Tomb
- 1Boseiju, Who EnduresBoseiju, Who Endures
- 1Breeding PoolBreeding Pool
- 1Command TowerCommand Tower
- 7ForestForest
- 1Gaea's CradleGaea's Cradle
- 1Gemstone CavernsGemstone Caverns
- 1Hinterland HarborHinterland Harbor
- 7IslandIsland
- 1Mana ConfluenceMana Confluence
- 1Misty RainforestMisty Rainforest
- 1Otawara, Soaring CityOtawara, Soaring City
- 1Prismatic VistaPrismatic Vista
- 1Rejuvenating SpringsRejuvenating Springs
- 1Tropical IslandTropical Island
- 1Waterlogged GroveWaterlogged Grove
- 1Windswept HeathWindswept Heath
- 1Wooded FoothillsWooded Foothills
- 1Yavimaya CoastYavimaya Coast
- 1Yavimaya, Cradle of GrowthYavimaya, Cradle of Growth
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Birds of Paradise
Birds of Paradise
Collector Ouphe
Collector Ouphe
Craterhoof Behemoth
Craterhoof Behemoth
Delighted Halfling
Delighted Halfling
Elvish Mystic
Elvish Mystic
Endurance
Endurance
Enduring Vitality
Enduring Vitality
Gilded Drake
Gilded Drake
Hullbreaker Horror
Hullbreaker Horror
Junk Winder
Junk Winder
Kinnan, Bonder Prodigy
Kinnan, Bonder Prodigy
Llanowar Elves
Llanowar Elves
Murkfiend Liege
Murkfiend Liege
Phyrexian Metamorph
Phyrexian Metamorph
Roaming Throne
Roaming Throne
Sakashima of a Thousand Faces
Sakashima of a Thousand Faces
Sakashima the Impostor
Sakashima the Impostor
Seedborn Muse
Seedborn Muse
Spark Double
Spark Double
Instants (19)
An Offer You Can't Refuse
An Offer You Can't Refuse
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 Will
Force of Will
Heroic Intervention
Heroic Intervention
Mana Drain
Mana Drain
Mental Misstep
Mental Misstep
Mindbreak Trap
Mindbreak Trap
Mystical Tutor
Mystical Tutor
Negate
Negate
Pact of Negation
Pact of Negation
Swan Song
Swan Song
Veil of Summer
Veil of Summer
Worldly Tutor
Worldly Tutor
Sorceries (7)
Cultivate
Cultivate
Finale of Devastation
Finale of Devastation
Green Sun's Zenith
Green Sun's Zenith
Kodama's Reach
Kodama's Reach
Nature's Lore
Nature's Lore
Three Visits
Three Visits
Whelming Wave
Whelming Wave
Artifacts (11)
Arcane Signet
Arcane Signet
Chrome Mox
Chrome Mox
Grim Monolith
Grim Monolith
Helm of the Host
Helm of the Host
Lotus Petal
Lotus Petal
Mana Vault
Mana Vault
Mox Diamond
Mox Diamond
Sol Ring
Sol Ring
Static Orb
Static Orb
The One Ring
The One Ring
Winter Orb
Winter Orb
Enchantments (9)
Burgeoning
Burgeoning
Carpet of Flowers
Carpet of Flowers
Doubling Season
Doubling Season
Elemental Bond
Elemental Bond
Mystic Remora
Mystic Remora
Parallel Lives
Parallel Lives
Rhystic Study
Rhystic Study
Sylvan Library
Sylvan Library
Tribute to the World Tree
Tribute to the World Tree
Planeswalkers (1)
Oko, Thief of Crowns
Oko, Thief of Crowns
Lands (18)
Ancient Tomb
Ancient Tomb
Boseiju, Who Endures
Boseiju, Who Endures
Breeding Pool
Breeding Pool
Command Tower
Command Tower
Gaea's Cradle
Gaea's Cradle
Gemstone Caverns
Gemstone Caverns
Hinterland Harbor
Hinterland Harbor
Mana Confluence
Mana Confluence
Misty Rainforest
Misty Rainforest
Otawara, Soaring City
Otawara, Soaring City
Prismatic Vista
Prismatic Vista
Rejuvenating Springs
Rejuvenating Springs
Tropical Island
Tropical Island
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 (2)
Forest
7 Forest
Island
7 Island