Average Deck for Koma, Cosmos Serpent - Core

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #341
571decks
As CommanderAs CardAverage DeckDecks
Bracket
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Budget
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Ezra Sassaman
Mar 12, 2026
Ezra Sassaman
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Levi Perry
Feb 4, 2026
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Decklist

Koma, Cosmos Serpent
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ArchidektPlaytest on Archidekt
Creatures
Instants
Sorceries
Artifacts
Enchantments
Planeswalkers
Lands
Basics
Back to Top
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Aesi, Tyrant of Gyre Strait
Aesi, Tyrant of Gyre Strait
Archetype of Imagination
Archetype of Imagination
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Coiling Oracle
Coiling Oracle
Elvish Mystic
Elvish Mystic
Esix, Fractal Bloom
Esix, Fractal Bloom
Eternal Witness
Eternal Witness
Garruk's Packleader
Garruk's Packleader
Hullbreaker Horror
Hullbreaker Horror
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Murkfiend Liege
Murkfiend Liege
Octomancer
Octomancer
Ohran Frostfang
Ohran Frostfang
Sakashima of a Thousand Faces
Sakashima of a Thousand Faces
Sakura-Tribe Elder
Sakura-Tribe Elder
Serpent of Yawning Depths
Serpent of Yawning Depths
Slinn Voda, the Rising Deep
Slinn Voda, the Rising Deep
Spark Double
Spark Double
Spawning Kraken
Spawning Kraken
Summon: Leviathan
Summon: Leviathan
Tatyova, Benthic Druid
Tatyova, Benthic Druid
Instants (13)
An Offer You Can't Refuse
An Offer You Can't Refuse
Arcane Denial
Arcane Denial
Beast Within
Beast Within
Counterspell
Counterspell
Double Major
Double Major
Growth Spiral
Growth Spiral
Heroic Intervention
Heroic Intervention
Negate
Negate
Pongify
Pongify
Rapid Hybridization
Rapid Hybridization
Return of the Wildspeaker
Return of the Wildspeaker
Second Harvest
Second Harvest
Simic Charm
Simic Charm
Sorceries (11)
Cultivate
Cultivate
Explore
Explore
Farseek
Farseek
Irenicus's Vile Duplication
Irenicus's Vile Duplication
Kodama's Reach
Kodama's Reach
Nature's Lore
Nature's Lore
Overwhelming Stampede
Overwhelming Stampede
Rampant Growth
Rampant Growth
Skyshroud Claim
Skyshroud Claim
Three Visits
Three Visits
Whelming Wave
Whelming Wave
Artifacts (7)
Arcane Signet
Arcane Signet
Combine Chrysalis
Combine Chrysalis
Helm of the Host
Helm of the Host
Simic Signet
Simic Signet
Sol Ring
Sol Ring
Swiftfoot Boots
Swiftfoot Boots
Thought Vessel
Thought Vessel
Enchantments (7)
Doubling Season
Doubling Season
Elemental Bond
Elemental Bond
Garruk's Uprising
Garruk's Uprising
Kindred Discovery
Kindred Discovery
Parallel Lives
Parallel Lives
Tribute to the World Tree
Tribute to the World Tree
Wild Growth
Wild Growth
Planeswalkers (1)
Oko, Thief of Crowns
Oko, Thief of Crowns
Lands (12)
Command Tower
Command Tower
Dreamroot Cascade
Dreamroot Cascade
Evolving Wilds
Evolving Wilds
Flooded Grove
Flooded Grove
Hinterland Harbor
Hinterland Harbor
Rejuvenating Springs
Rejuvenating Springs
Reliquary Tower
Reliquary Tower
Simic Growth Chamber
Simic Growth Chamber
Temple of Mystery
Temple of Mystery
Thornwood Falls
Thornwood Falls
Vineglimmer Snarl
Vineglimmer Snarl
Yavimaya Coast
Yavimaya Coast
Basics (2)
Forest
12 Forest
Island
12 Island
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