Average Deck for Koma, Cosmos Serpent - Expensive Lands Matter

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent

Rank #308

3decks

As Commander As Card Average Deck Decks

Bracket

All 1 2 3 4 5

Budget

Any $$$$

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Aug 6, 2025

Arnaud Gompertz

Can You Build Simic in Commander Without... Going Simic?

Can you go Simic without doing the Simic stuff that everyone dreads? Yes you can! Arnaud is here with some uncanny Commander deck ideas.

Average Decklist

Koma, Cosmos Serpent

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Playtest on Archidekt

- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 Aesi, Tyrant of Gyre StraitAesi, Tyrant of Gyre Strait
- 1 Ancient Silver DragonAncient Silver Dragon
- 1 Arcane SignetArcane Signet
- 1 Azusa, Lost but SeekingAzusa, Lost but Seeking
- 1 Barkchannel PathwayBarkchannel Pathway
- 1 Birds of ParadiseBirds of Paradise
- 1 Bloomvine RegentBloomvine Regent
- 1 Boseiju, Who EnduresBoseiju, Who Endures
- 1 Breeding PoolBreeding Pool
- 1 Carpet of FlowersCarpet of Flowers
- 1 Command TowerCommand Tower
- 1 CounterspellCounterspell
- 1 Craterhoof BehemothCraterhoof Behemoth
- 1 Crop RotationCrop Rotation
- 1 CultivateCultivate
- 1 Cyclonic RiftCyclonic Rift
- 1 Doubling SeasonDoubling Season
- 1 Elder GargarothElder Gargaroth
- 1 End-Raze ForerunnersEnd-Raze Forerunners
- 1 Enduring VitalityEnduring Vitality
- 1 Eureka MomentEureka Moment
- 1 ExplorationExploration
- 1 Fabled PassageFabled Passage
- 1 Faerie MastermindFaerie Mastermind
- 1 Fanatic of RhonasFanatic of Rhonas
- 1 FarseekFarseek
- 1 Fierce GuardianshipFierce Guardianship
- 7 ForestForest
- 1 Herd HeirloomHerd Heirloom
- 1 Heroic InterventionHeroic Intervention
- 1 Into the NorthInto the North
- 7 IslandIsland
- 1 Junk WinderJunk Winder
- 1 Kodama's ReachKodama's Reach
- 1 Koma, World-EaterKoma, World-Eater
- 1 Kozilek, Butcher of TruthKozilek, Butcher of Truth
- 1 Lórien RevealedLórien Revealed
- 1 Mana DrainMana Drain
- 1 Mana VaultMana Vault
- 1 Misty RainforestMisty Rainforest
- 1 Mystic RemoraMystic Remora
- 1 Mystic SanctuaryMystic Sanctuary
- 1 Mystical TutorMystical Tutor
- 1 Nature's LoreNature's Lore
- 1 Oko, Thief of CrownsOko, Thief of Crowns
- 1 Oracle of Mul DayaOracle of Mul Daya
- 1 Otawara, Soaring CityOtawara, Soaring City
- 1 Overlord of the HauntwoodsOverlord of the Hauntwoods
- 1 Parallel LivesParallel Lives
- 1 Pathbreaker IbexPathbreaker Ibex
- 1 PongifyPongify
- 1 Preposterous ProportionsPreposterous Proportions
- 1 Rejuvenating SpringsRejuvenating Springs
- 1 Reliquary TowerReliquary Tower
- 1 Rhystic StudyRhystic Study
- 1 Roaming ThroneRoaming Throne
- 1 Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1 Sakashima the ImpostorSakashima the Impostor
- 1 Sea Gate RestorationSea Gate Restoration
- 1 Skyshroud ClaimSkyshroud Claim
- 4 Snow-Covered ForestSnow-Covered Forest
- 4 Snow-Covered IslandSnow-Covered Island
- 1 Sol RingSol Ring
- 1 Spark DoubleSpark Double
- 1 Spawning KrakenSpawning Kraken
- 1 Strix SerenadeStrix Serenade
- 1 Summon: BahamutSummon: Bahamut
- 1 Swan SongSwan Song
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Sylvan LibrarySylvan Library
- 1 Tangled IsletTangled Islet
- 1 The One RingThe One Ring
- 1 Three VisitsThree Visits
- 1 Toski, Bearer of SecretsToski, Bearer of Secrets
- 1 Tropical IslandTropical Island
- 1 Verdant CatacombsVerdant Catacombs
- 1 VigorVigor
- 1 Willowrush VergeWillowrush Verge
- 1 Worldly TutorWorldly Tutor
- 1 Yavimaya CoastYavimaya Coast
- 1 Yavimaya, Cradle of GrowthYavimaya, Cradle of Growth

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Filters Card Filters

Aesi, Tyrant of Gyre Strait

Ancient Silver Dragon

Azusa, Lost but Seeking

Birds of Paradise

Bloomvine Regent

Craterhoof Behemoth

Elder Gargaroth

End-Raze Forerunners

Enduring Vitality

Faerie Mastermind

Fanatic of Rhonas

Junk Winder

Koma, World-Eater

Kozilek, Butcher of Truth

Oracle of Mul Daya

Overlord of the Hauntwoods

Pathbreaker Ibex

Roaming Throne

Sakashima of a Thousand Faces

Sakashima the Impostor

Spark Double

Spawning Kraken

Summon: Bahamut

Toski, Bearer of Secrets

Vigor

Instants (12)

Counterspell

Crop Rotation

Cyclonic Rift

Eureka Moment

Fierce Guardianship

Heroic Intervention

Mana Drain

Mystical Tutor

Pongify

Strix Serenade

Swan Song

Worldly Tutor

Sorceries (10)

Cultivate

Farseek

Into the North

Kodama's Reach

Lórien Revealed

Nature's Lore

Preposterous Proportions

Sea Gate Restoration

Skyshroud Claim

Three Visits

Artifacts (6)

Arcane Signet

Herd Heirloom

Mana Vault

Sol Ring

Swiftfoot Boots

The One Ring

Enchantments (7)

Carpet of Flowers

Doubling Season

Exploration

Mystic Remora

Parallel Lives

Rhystic Study

Sylvan Library

Planeswalkers (1)

Oko, Thief of Crowns

Lands (16)

Barkchannel Pathway

Boseiju, Who Endures

Breeding Pool

Command Tower

Fabled Passage

Misty Rainforest

Mystic Sanctuary

Otawara, Soaring City

Rejuvenating Springs

Reliquary Tower

Tangled Islet

Tropical Island

Verdant Catacombs

Willowrush Verge

Yavimaya Coast

Yavimaya, Cradle of Growth

Basics (4)

Forest

7 Forests

Island

7 Islands

Snow-Covered Forest

4 Snow-Covered Forests

Snow-Covered Island

4 Snow-Covered Islands