Average Deck for Koma, Cosmos Serpent - Expensive Upgraded Sea Creatures

This page includes only decks with user-set brackets. Auto-detected brackets are not included.

Average Deck for Koma, Cosmos Serpent - Expensive Upgraded Sea Creatures

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent

Rank #321

1decks

As Commander As Card Average Deck Decks

Bracket

All 1 2 3 4 5

Budget

Any $$$$

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.

Background image for Ten Brutal Cards To Try With The Cloning of Shredder

Feb 4, 2026

Levi Perry

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?

Average Decklist

Koma, Cosmos Serpent

Buy at Card Kingdom

Buy at TCGPlayer

Buy at Manapool

Playtest on Archidekt

- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1 An Offer You Can't RefuseAn Offer You Can't Refuse
- 1 Ancient TombAncient Tomb
- 1 Arcane SignetArcane Signet
- 1 Archdruid's CharmArchdruid's Charm
- 1 Archetype of EnduranceArchetype of Endurance
- 1 Bala Ged RecoveryBala Ged Recovery
- 1 Beast WithinBeast Within
- 1 Boseiju, Who EnduresBoseiju, Who Endures
- 1 BrainstormBrainstorm
- 1 Breeding PoolBreeding Pool
- 1 Castle GarenbrigCastle Garenbrig
- 1 Chameleon, Master of DisguiseChameleon, Master of Disguise
- 1 Chord of CallingChord of Calling
- 1 Command TowerCommand Tower
- 1 Consecrated SphinxConsecrated Sphinx
- 1 CounterspellCounterspell
- 1 CultivateCultivate
- 1 Defense of the HeartDefense of the Heart
- 1 Dismiss into DreamDismiss into Dream
- 1 Double MajorDouble Major
- 1 Doubling SeasonDoubling Season
- 1 Dreamroot CascadeDreamroot Cascade
- 1 Eldrazi MonumentEldrazi Monument
- 1 Elemental BondElemental Bond
- 1 Evendo, Waking HavenEvendo, Waking Haven
- 1 FarseekFarseek
- 1 Fellwar StoneFellwar Stone
- 1 Flooded GroveFlooded Grove
- 1 Glimpse the CoreGlimpse the Core
- 1 Hedge MazeHedge Maze
- 1 Helm of the HostHelm of the Host
- 1 Heroic InterventionHeroic Intervention
- 1 Hinterland HarborHinterland Harbor
- 1 Into the NorthInto the North
- 1 Kindred DiscoveryKindred Discovery
- 1 Kodama's ReachKodama's Reach
- 1 Lightning GreavesLightning Greaves
- 1 Misty RainforestMisty Rainforest
- 1 Mizzium SkinMizzium Skin
- 1 Mystic SanctuaryMystic Sanctuary
- 1 Nature's LoreNature's Lore
- 1 Noxious RevivalNoxious Revival
- 1 OppositionOpposition
- 1 Otawara, Soaring CityOtawara, Soaring City
- 1 Parallel LivesParallel Lives
- 1 Planar GenesisPlanar Genesis
- 1 PolymorphPolymorph
- 1 PonderPonder
- 1 Proteus StaffProteus Staff
- 1 Quantum MisalignmentQuantum Misalignment
- 1 Rampant GrowthRampant Growth
- 1 Rapid HybridizationRapid Hybridization
- 1 ReclaimReclaim
- 1 Rejuvenating SpringsRejuvenating Springs
- 1 Reliquary TowerReliquary Tower
- 1 Return to NatureReturn to Nature
- 1 ReweaveReweave
- 1 Rhystic StudyRhystic Study
- 1 Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1 Sakashima the ImpostorSakashima the Impostor
- 1 Sea Gate RestorationSea Gate Restoration
- 1 Second HarvestSecond Harvest
- 1 Serpent of Yawning DepthsSerpent of Yawning Depths
- 1 Sink into StuporSink into Stupor
- 1 Skyshroud ClaimSkyshroud Claim
- 1 Slip Out the BackSlip Out the Back
- 1 Snakeskin VeilSnakeskin Veil
- 8 Snow-Covered ForestSnow-Covered Forest
- 8 Snow-Covered IslandSnow-Covered Island
- 1 Sol RingSol Ring
- 1 Spark DoubleSpark Double
- 1 Stubborn DenialStubborn Denial
- 1 Talisman of CuriosityTalisman of Curiosity
- 1 Tamiyo's SafekeepingTamiyo's Safekeeping
- 1 Three Tree CityThree Tree City
- 1 Three VisitsThree Visits
- 1 Tribute to the World TreeTribute to the World Tree
- 1 Tropical IslandTropical Island
- 1 Tyvar's StandTyvar's Stand
- 1 Utopia SprawlUtopia Sprawl
- 1 Waterlogged GroveWaterlogged Grove
- 1 Whelming WaveWhelming Wave
- 1 Willowrush VergeWillowrush Verge
- 1 You See a Guard ApproachYou See a Guard Approach

Group by

Sort by

Filters Card Filters

Adrix and Nev, Twincasters

Archetype of Endurance

Chameleon, Master of Disguise

Consecrated Sphinx

Sakashima of a Thousand Faces

Sakashima the Impostor

Serpent of Yawning Depths

Spark Double

Instants (23)

An Offer You Can't Refuse

Archdruid's Charm

Beast Within

Brainstorm

Chord of Calling

Counterspell

Double Major

Heroic Intervention

Mizzium Skin

Noxious Revival

Planar Genesis

Rapid Hybridization

Reclaim

Return to Nature

Reweave

Second Harvest

Sink into Stupor

Slip Out the Back

Snakeskin Veil

Stubborn Denial

Tamiyo's Safekeeping

Tyvar's Stand

You See a Guard Approach

Sorceries (15)

Bala Ged Recovery

Cultivate

Farseek

Glimpse the Core

Into the North

Kodama's Reach

Nature's Lore

Polymorph

Ponder

Quantum Misalignment

Rampant Growth

Sea Gate Restoration

Skyshroud Claim

Three Visits

Whelming Wave

Artifacts (8)

Arcane Signet

Eldrazi Monument

Fellwar Stone

Helm of the Host

Lightning Greaves

Proteus Staff

Sol Ring

Talisman of Curiosity

Enchantments (10)

Defense of the Heart

Dismiss into Dream

Doubling Season

Elemental Bond

Kindred Discovery

Opposition

Parallel Lives

Rhystic Study

Tribute to the World Tree

Utopia Sprawl

Lands (19)

Ancient Tomb

Boseiju, Who Endures

Breeding Pool

Castle Garenbrig

Command Tower

Dreamroot Cascade

Evendo, Waking Haven

Flooded Grove

Hedge Maze

Hinterland Harbor

Misty Rainforest

Mystic Sanctuary

Otawara, Soaring City

Rejuvenating Springs

Reliquary Tower

Three Tree City

Tropical Island

Waterlogged Grove

Willowrush Verge

Basics (2)

Snow-Covered Forest

8 Snow-Covered Forests

Snow-Covered Island

8 Snow-Covered Islands