Average Deck for Koma, Cosmos Serpent - Aggro

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent

Rank #341

28decks

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.

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?

Decklist

Koma, Cosmos Serpent

Buy at Card Kingdom

Buy at TCGPlayer

Buy at Manapool

Playtest on Archidekt

Commander
- 1Koma, Cosmos SerpentKoma, Cosmos Serpent
Creatures (23)
- 1Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1Aesi, Tyrant of Gyre StraitAesi, Tyrant of Gyre Strait
- 1Archetype of ImaginationArchetype of Imagination
- 1Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1Birds of ParadiseBirds of Paradise
- 1Craterhoof BehemothCraterhoof Behemoth
- 1Elvish MysticElvish Mystic
- 1Garruk's PackleaderGarruk's Packleader
- 1Hullbreaker HorrorHullbreaker Horror
- 1Junk WinderJunk Winder
- 1Koma, World-EaterKoma, World-Eater
- 1Llanowar ElvesLlanowar Elves
- 1Murkfiend LiegeMurkfiend Liege
- 1Ohran FrostfangOhran Frostfang
- 1Roaming ThroneRoaming Throne
- 1Sakashima of a Thousand FacesSakashima of a Thousand Faces
- 1Sakashima the ImpostorSakashima the Impostor
- 1Seedborn MuseSeedborn Muse
- 1Serpent of Yawning DepthsSerpent of Yawning Depths
- 1Spark DoubleSpark Double
- 1Spawning KrakenSpawning Kraken
- 1Summon: LeviathanSummon: Leviathan
- 1Tatyova, Benthic DruidTatyova, Benthic Druid
Instants (13)
- 1An Offer You Can't RefuseAn Offer You Can't Refuse
- 1Arcane DenialArcane Denial
- 1Beast WithinBeast Within
- 1CounterspellCounterspell
- 1Cyclonic RiftCyclonic Rift
- 1Double MajorDouble Major
- 1Growth SpiralGrowth Spiral
- 1Heroic InterventionHeroic Intervention
- 1Mana DrainMana Drain
- 1NegateNegate
- 1Rapid HybridizationRapid Hybridization
- 1Second HarvestSecond Harvest
- 1Worldly TutorWorldly Tutor
Sorceries (10)
- 1CultivateCultivate
- 1Irenicus's Vile DuplicationIrenicus's Vile Duplication
- 1Kodama's ReachKodama's Reach
- 1Nature's LoreNature's Lore
- 1Overwhelming StampedeOverwhelming Stampede
- 1Quantum MisalignmentQuantum Misalignment
- 1Rampant GrowthRampant Growth
- 1Three VisitsThree Visits
- 1Triumph of the HordesTriumph of the Hordes
- 1Whelming WaveWhelming Wave
Artifacts (8)
- 1Arcane SignetArcane Signet
- 1Helm of the HostHelm of the Host
- 1Lightning GreavesLightning Greaves
- 1Simic SignetSimic Signet
- 1Sol RingSol Ring
- 1Swiftfoot BootsSwiftfoot Boots
- 1Talisman of CuriosityTalisman of Curiosity
- 1Thought VesselThought Vessel
Enchantments (10)
- 1Beastmaster AscensionBeastmaster Ascension
- 1Cryptolith RiteCryptolith Rite
- 1Doubling SeasonDoubling Season
- 1Elemental BondElemental Bond
- 1ExplorationExploration
- 1Kindred DiscoveryKindred Discovery
- 1Mystic RemoraMystic Remora
- 1Parallel LivesParallel Lives
- 1Rhystic StudyRhystic Study
- 1Tribute to the World TreeTribute to the World Tree
Planeswalker (1)
- 1Oko, Thief of CrownsOko, Thief of Crowns
Lands (34)
- 1Breeding PoolBreeding Pool
- 1Command BeaconCommand Beacon
- 1Command TowerCommand Tower
- 1Dreamroot CascadeDreamroot Cascade
- 1Evendo, Waking HavenEvendo, Waking Haven
- 1Evolving WildsEvolving Wilds
- 1Flooded GroveFlooded Grove
- 9ForestForest
- 1Hinterland HarborHinterland Harbor
- 9IslandIsland
- 1Mistrise VillageMistrise Village
- 1Misty RainforestMisty Rainforest
- 1Myriad LandscapeMyriad Landscape
- 1Rejuvenating SpringsRejuvenating Springs
- 1Reliquary TowerReliquary Tower
- 1Simic Growth ChamberSimic Growth Chamber
- 1Temple of MysteryTemple of Mystery
- 1Yavimaya CoastYavimaya Coast

Group by

Sort by

Filters Card Filters

Adrix and Nev, Twincasters

Aesi, Tyrant of Gyre Strait

Archetype of Imagination

Arixmethes, Slumbering Isle

Birds of Paradise

Craterhoof Behemoth

Elvish Mystic

Garruk's Packleader

Hullbreaker Horror

Junk Winder

Koma, World-Eater

Llanowar Elves

Murkfiend Liege

Ohran Frostfang

Roaming Throne

Sakashima of a Thousand Faces

Sakashima the Impostor

Seedborn Muse

Serpent of Yawning Depths

Spark Double

Spawning Kraken

Summon: Leviathan

Tatyova, Benthic Druid

Instants (13)

An Offer You Can't Refuse

Arcane Denial

Beast Within

Counterspell

Cyclonic Rift

Double Major

Growth Spiral

Heroic Intervention

Mana Drain

Negate

Rapid Hybridization

Second Harvest

Worldly Tutor

Sorceries (10)

Cultivate

Irenicus's Vile Duplication

Kodama's Reach

Nature's Lore

Overwhelming Stampede

Quantum Misalignment

Rampant Growth

Three Visits

Triumph of the Hordes

Whelming Wave

Artifacts (8)

Arcane Signet

Helm of the Host

Lightning Greaves

Simic Signet

Sol Ring

Swiftfoot Boots

Talisman of Curiosity

Thought Vessel

Enchantments (10)

Beastmaster Ascension

Cryptolith Rite

Doubling Season

Elemental Bond

Exploration

Kindred Discovery

Mystic Remora

Parallel Lives

Rhystic Study

Tribute to the World Tree

Planeswalkers (1)

Oko, Thief of Crowns

Lands (16)

Breeding Pool

Command Beacon

Command Tower

Dreamroot Cascade

Evendo, Waking Haven

Evolving Wilds

Flooded Grove

Hinterland Harbor

Mistrise Village

Misty Rainforest

Myriad Landscape

Rejuvenating Springs

Reliquary Tower

Simic Growth Chamber

Temple of Mystery

Yavimaya Coast

Basics (2)

Forest

9 Forest

Island

9 Island