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Decklist / by Janjo / Updated June 25, 2026

Koma

Full Koma, Cosmos Serpent EDH decklist. 100 cards in Green and Blue. Tracked by Janjo on Playgroup.gg.

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Koma, Cosmos Serpent

Commander

Koma, Cosmos Serpent

{G}

{U}

2.84

Avg MV

100

Cards

100 cards total

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Lands

36

Alchemist's Refuge

1 Alchemist's Refuge

Arcane Lighthouse

1 Arcane Lighthouse

Ash Barrens

1 Ash Barrens

Bonders' Enclave

1 Bonders' Enclave

Breeding Pool

1 Breeding Pool

Bridgeworks Battle // Tanglespan Bridgeworks

1 Bridgeworks Battle // Tanglespan Bridgeworks

Castle Garenbrig

1 Castle Garenbrig

Command Beacon

1 Command Beacon

Command Tower

1 Command Tower

Dreamroot Cascade

1 Dreamroot Cascade

Evendo, Waking Haven

1 Evendo, Waking Haven

Forest

4x

4 Forest

Hinterland Harbor

1 Hinterland Harbor

Island

4x

4 Island

Jwari Disruption // Jwari Ruins

1 Jwari Disruption // Jwari Ruins

Littjara Mirrorlake

1 Littjara Mirrorlake

Mistrise Village

1 Mistrise Village

Myriad Landscape

1 Myriad Landscape

Mystic Sanctuary

1 Mystic Sanctuary

Reliquary Tower

1 Reliquary Tower

Rivendell

1 Rivendell

Simic Growth Chamber

1 Simic Growth Chamber

Sodden Verdure

1 Sodden Verdure

Tangled Islet

1 Tangled Islet

Temple of Mystery

1 Temple of Mystery

Temple of the False God

1 Temple of the False God

Terrain Generator

1 Terrain Generator

Three Tree City

1 Three Tree City

Turntimber Symbiosis // Turntimber, Serpentine Wood

1 Turntimber Symbiosis // Turntimber, Serpentine Wood

Yavimaya Coast

1 Yavimaya Coast

Creatures

22

Adrix and Nev, Twincasters

1 Adrix and Nev, Twincasters {2}

{2}

{G}

{U}

Aesi, Tyrant of Gyre Strait

1 Aesi, Tyrant of Gyre Strait {4}

{4}

{G}

{U}

Arixmethes, Slumbering Isle

1 Arixmethes, Slumbering Isle {2}

{2}

{G}

{U}

Birds of Paradise

1 Birds of Paradise {G}

{G}

Craterhoof Behemoth

1 Craterhoof Behemoth {5}

{5}

{G}

{G}

{G}

Disciple of Freyalise // Garden of Freyalise

1 Disciple of Freyalise // Garden of Freyalise

Faerie Mastermind

1 Faerie Mastermind {1}

{1}

{U}

Fanatic of Rhonas

1 Fanatic of Rhonas {1}

{1}

{G}

Freestrider Lookout

1 Freestrider Lookout {2}

{2}

{G}

Fyndhorn Elves

1 Fyndhorn Elves {G}

{G}

Junk Winder

1 Junk Winder {5}

{5}

{U}

{U}

Koma, Cosmos Serpent

CMDR

1 Koma, Cosmos Serpent CMDR {3}

{3}

{G}

{G}

{U}

{U}

Koma, World-Eater

1 Koma, World-Eater {3}

{3}

{G}

{G}

{U}

{U}

Llanowar Elves

1 Llanowar Elves {G}

{G}

Loot, Exuberant Explorer

1 Loot, Exuberant Explorer {2}

{2}

{G}

Sakashima of a Thousand Faces

1 Sakashima of a Thousand Faces {3}

{3}

{U}

Sakashima the Impostor

1 Sakashima the Impostor {2}

{2}

{U}

{U}

Spark Double

1 Spark Double {3}

{3}

{U}

Starwinder

1 Starwinder {5}

{5}

{U}

{U}

Tam, Mindful First-Year

1 Tam, Mindful First-Year {1}

{1}

{G/U}

Tangled Florahedron // Tangled Vale

1 Tangled Florahedron // Tangled Vale

Willbreaker

1 Willbreaker {3}

{3}

{U}

{U}

Instants

18

Arcane Denial

1 Arcane Denial {1}

{1}

{U}

Archdruid's Charm

1 Archdruid's Charm {G}

{G}

{G}

{G}

Beast Within

1 Beast Within {2}

{2}

{G}

Brainstorm

1 Brainstorm {U}

{U}

Collective Resistance

1 Collective Resistance {1}

{1}

{G}

Counterspell

1 Counterspell {U}

{U}

{U}

Cyclonic Rift

Game Changer

1 Cyclonic Rift GC {1}

{1}

{U}

Decisive Denial

1 Decisive Denial {G}

{G}

{U}

Growth Spiral

1 Growth Spiral {G}

{G}

{U}

Heroic Intervention

1 Heroic Intervention {1}

{1}

{G}

Impulse

1 Impulse

{1}

{U}

Mana Drain

1 Mana Drain {U}

{U}

{U}

Noxious Revival

1 Noxious Revival {G/P}

{G/P}

Pact of Negation

1 Pact of Negation {0}

{0}

Planar Genesis

1 Planar Genesis {G}

{G}

{U}

Rapid Hybridization

1 Rapid Hybridization {U}

{U}

Stubborn Denial

1 Stubborn Denial {U}

{U}

Three Steps Ahead

1 Three Steps Ahead {U}

{U}

Sorceries

12

Broken Bond

1 Broken Bond {1}

{1}

{G}

Cultivate

1 Cultivate {2}

{2}

{G}

Explore

1 Explore

{1}

{G}

Irenicus's Vile Duplication

1 Irenicus's Vile Duplication {3}

{3}

{U}

Nature's Lore

1 Nature's Lore {1}

{1}

{G}

Open the Way

1 Open the Way {X}

{X}

{G}

{G}

Ponder

1 Ponder

{U}

Preordain

1 Preordain {U}

{U}

Skyshroud Claim

1 Skyshroud Claim {3}

{3}

{G}

Spirit Water Revival

1 Spirit Water Revival {1}

{1}

{U}

{U}

Three Visits

1 Three Visits {1}

{1}

{G}

Triumph of the Hordes

1 Triumph of the Hordes {2}

{2}

{G}

{G}

Enchantments

8

Dismiss into Dream

1 Dismiss into Dream {6}

{6}

{U}

Elemental Bond

1 Elemental Bond {2}

{2}

{G}

In Search of Greatness

1 In Search of Greatness {G}

{G}

{G}

Mystic Remora

1 Mystic Remora {U}

{U}

Parallel Lives

1 Parallel Lives {3}

{3}

{G}

Springleaf Parade

1 Springleaf Parade {X}

{X}

{G}

{G}

Tribute to the World Tree

1 Tribute to the World Tree {G}

{G}

{G}

{G}

Up the Beanstalk

1 Up the Beanstalk {1}

{1}

{G}

Artifacts

3

Skullclamp

1 Skullclamp {1}

{1}

Sol Ring

1 Sol Ring {1}

{1}

Thran Dynamo

1 Thran Dynamo {4}

{4}

Planeswalkers

1

Oko, Thief of Crowns

1 Oko, Thief of Crowns {1}

{1}

{G}

{U}

Mana Curve

62

Non-lands

2.84

Avg MV

1

{0}

13

{1}

21

{2}

9

{3}

10

{4}

1

{5}

1

{6}

6

{7}

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