Average Deck for Koma, Cosmos Serpent - Expensive Good Stuff

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent

Rank #343

2decks

As Commander As Card Average Deck Decks

Bracket

All

Budget

Any $$$$

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?

Nov 13, 2025

Sikora

How To Play Sea Creatures Differently In Commander

Sea creatures in Magic are basically as old as the game itself, but they've changed significantly in that time.

Decklist

Koma, Cosmos Serpent

Buy at Card Kingdom

Buy at TCGPlayer

Buy at Manapool

Playtest on Archidekt

Commander
- 1Koma, Cosmos SerpentKoma, Cosmos Serpent
Creatures (20)
- 1Aesi, Tyrant of Gyre StraitAesi, Tyrant of Gyre Strait
- 1Badgermole CubBadgermole Cub
- 1Birds of ParadiseBirds of Paradise
- 1Consecrated SphinxConsecrated Sphinx
- 1Craterhoof BehemothCraterhoof Behemoth
- 1Delighted HalflingDelighted Halfling
- 1Displacer KittenDisplacer Kitten
- 1Elvish MysticElvish Mystic
- 1Enduring VitalityEnduring Vitality
- 1Fanatic of RhonasFanatic of Rhonas
- 1Hullbreaker HorrorHullbreaker Horror
- 1Junk WinderJunk Winder
- 1Kinnan, Bonder ProdigyKinnan, Bonder Prodigy
- 1Kiora's FollowerKiora's Follower
- 1Llanowar ElvesLlanowar Elves
- 1Spark DoubleSpark Double
- 1SpellskiteSpellskite
- 1Tidespout TyrantTidespout Tyrant
- 1Tishana's TidebinderTishana's Tidebinder
- 1Wandering ArchaicWandering Archaic
Instants (19)
- 1An Offer You Can't RefuseAn Offer You Can't Refuse
- 1Arcane DenialArcane Denial
- 1Beast WithinBeast Within
- 1Fierce GuardianshipFierce Guardianship
- 1FlusterstormFlusterstorm
- 1Force of VigorForce of Vigor
- 1Force of WillForce of Will
- 1Keep WatchKeep Watch
- 1Krosan GripKrosan Grip
- 1Legolas's Quick ReflexesLegolas's Quick Reflexes
- 1Mana DrainMana Drain
- 1Mindbreak TrapMindbreak Trap
- 1Nature's ClaimNature's Claim
- 1Perplexing TestPerplexing Test
- 1Reality ShiftReality Shift
- 1Reverse the PolarityReverse the Polarity
- 1Strix SerenadeStrix Serenade
- 1Swan SongSwan Song
- 1Worldly TutorWorldly Tutor
Sorceries (8)
- 1Eldritch EvolutionEldritch Evolution
- 1Finale of DevastationFinale of Devastation
- 1Irenicus's Vile DuplicationIrenicus's Vile Duplication
- 1NeoformNeoform
- 1Shamanic RevelationShamanic Revelation
- 1Temporal ManipulationTemporal Manipulation
- 1Tempt with DiscoveryTempt with Discovery
- 1Triumph of the HordesTriumph of the Hordes
Artifacts (10)
- 1Arcane SignetArcane Signet
- 1Basalt MonolithBasalt Monolith
- 1Lightning GreavesLightning Greaves
- 1Mana VaultMana Vault
- 1Simic SignetSimic Signet
- 1Sol RingSol Ring
- 1The Great HengeThe Great Henge
- 1The One RingThe One Ring
- 1Thought VesselThought Vessel
- 1Whispersilk CloakWhispersilk Cloak
Enchantments (6)
- 1Mystic RemoraMystic Remora
- 1Parallel LivesParallel Lives
- 1Sylvan LibrarySylvan Library
- 1Tribute to the World TreeTribute to the World Tree
- 1Wild GrowthWild Growth
- 1Wilderness ReclamationWilderness Reclamation
Lands (36)
- 1Alchemist's RefugeAlchemist's Refuge
- 1Ancient TombAncient Tomb
- 1Boseiju, Who EnduresBoseiju, Who Endures
- 1Boseiju, Who Shelters AllBoseiju, Who Shelters All
- 1Breeding PoolBreeding Pool
- 1City of BrassCity of Brass
- 1Command TowerCommand Tower
- 1Evendo, Waking HavenEvendo, Waking Haven
- 1Exotic OrchardExotic Orchard
- 1Flooded GroveFlooded Grove
- 5ForestForest
- 1Gaea's CradleGaea's Cradle
- 1Hedge MazeHedge Maze
- 1Hinterland HarborHinterland Harbor
- 1Homeward PathHomeward Path
- 5IslandIsland
- 1Mana ConfluenceMana Confluence
- 1Minamo, School at Water's EdgeMinamo, School at Water's Edge
- 1Mistrise VillageMistrise Village
- 1Misty RainforestMisty Rainforest
- 1Otawara, Soaring CityOtawara, Soaring City
- 1Prismatic VistaPrismatic Vista
- 1Rejuvenating SpringsRejuvenating Springs
- 1Reliquary TowerReliquary Tower
- 1Three Tree CityThree Tree City
- 1Tropical IslandTropical Island
- 1Willowrush VergeWillowrush Verge
- 1Windswept HeathWindswept Heath

Group by

Sort by

Filters Card Filters

Aesi, Tyrant of Gyre Strait

Badgermole Cub

Birds of Paradise

Consecrated Sphinx

Craterhoof Behemoth

Delighted Halfling

Displacer Kitten

Elvish Mystic

Enduring Vitality

Fanatic of Rhonas

Hullbreaker Horror

Junk Winder

Kinnan, Bonder Prodigy

Kiora's Follower

Llanowar Elves

Spark Double

Spellskite

Tidespout Tyrant

Tishana's Tidebinder

Wandering Archaic

Instants (19)

An Offer You Can't Refuse

Arcane Denial

Beast Within

Fierce Guardianship

Flusterstorm

Force of Vigor

Force of Will

Keep Watch

Krosan Grip

Legolas's Quick Reflexes

Mana Drain

Mindbreak Trap

Nature's Claim

Perplexing Test

Reality Shift

Reverse the Polarity

Strix Serenade

Swan Song

Worldly Tutor

Sorceries (8)

Eldritch Evolution

Finale of Devastation

Irenicus's Vile Duplication

Neoform

Shamanic Revelation

Temporal Manipulation

Tempt with Discovery

Triumph of the Hordes

Artifacts (10)

Arcane Signet

Basalt Monolith

Lightning Greaves

Mana Vault

Simic Signet

Sol Ring

The Great Henge

The One Ring

Thought Vessel

Whispersilk Cloak

Enchantments (6)

Mystic Remora

Parallel Lives

Sylvan Library

Tribute to the World Tree

Wilderness Reclamation

Wild Growth

Lands (26)

Alchemist's Refuge

Ancient Tomb

Boseiju, Who Endures

Boseiju, Who Shelters All

Breeding Pool

City of Brass

Command Tower

Evendo, Waking Haven

Exotic Orchard

Flooded Grove

Gaea's Cradle

Hedge Maze

Hinterland Harbor

Homeward Path

Mana Confluence

Minamo, School at Water's Edge

Mistrise Village

Misty Rainforest

Otawara, Soaring City

Prismatic Vista

Rejuvenating Springs

Reliquary Tower

Three Tree City

Tropical Island

Willowrush Verge

Windswept Heath

Basics (2)

Forest

5 Forest

Island

5 Island