Average Deck for Koma, Cosmos Serpent - Expensive Good Stuff

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Ezra Sassaman
Mar 12, 2026
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.
Levi Perry
Feb 4, 2026
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?
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall

Average Decklist

Aesi, Tyrant of Gyre Strait
Aesi, Tyrant of Gyre Strait
Birds of Paradise
Birds of Paradise
Colossal Skyturtle
Colossal Skyturtle
Consecrated Sphinx
Consecrated Sphinx
Craterhoof Behemoth
Craterhoof Behemoth
Elvish Mystic
Elvish Mystic
Enduring Vitality
Enduring Vitality
Esix, Fractal Bloom
Esix, Fractal Bloom
Garruk's Packleader
Garruk's Packleader
Gilded Drake
Gilded Drake
Junk Winder
Junk Winder
Kinnan, Bonder Prodigy
Kinnan, Bonder Prodigy
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Roaming Throne
Roaming Throne
Sakashima of a Thousand Faces
Sakashima of a Thousand Faces
Sowing Mycospawn
Sowing Mycospawn
Spark Double
Spark Double
Sylvan Safekeeper
Sylvan Safekeeper
Wandering Archaic
Wandering Archaic
Instants (20)
An Offer You Can't Refuse
An Offer You Can't Refuse
Arcane Denial
Arcane Denial
Archdruid's Charm
Archdruid's Charm
Beast Within
Beast Within
Borne Upon a Wind
Borne Upon a Wind
Counterspell
Counterspell
Crop Rotation
Crop Rotation
Cyclonic Rift
Cyclonic Rift
Delay
Delay
Fierce Guardianship
Fierce Guardianship
Flusterstorm
Flusterstorm
Force of Negation
Force of Negation
Force of Vigor
Force of Vigor
Force of Will
Force of Will
Heroic Intervention
Heroic Intervention
Mystical Tutor
Mystical Tutor
Sink into Stupor
Sink into Stupor
Swan Song
Swan Song
Veil of Summer
Veil of Summer
Worldly Tutor
Worldly Tutor
Sorceries (10)
Farseek
Farseek
Finale of Devastation
Finale of Devastation
Flare of Cultivation
Flare of Cultivation
Irenicus's Vile Duplication
Irenicus's Vile Duplication
Kodama's Reach
Kodama's Reach
Neoform
Neoform
Quantum Misalignment
Quantum Misalignment
Three Visits
Three Visits
Triumph of the Hordes
Triumph of the Hordes
Turntimber Symbiosis
Turntimber Symbiosis
Artifacts (8)
Lotus Petal
Lotus Petal
Mana Vault
Mana Vault
Null Rod
Null Rod
Phyrexian Altar
Phyrexian Altar
Sol Ring
Sol Ring
The Great Henge
The Great Henge
The One Ring
The One Ring
Winter Orb
Winter Orb
Enchantments (8)
Defense of the Heart
Defense of the Heart
Doubling Season
Doubling Season
Elemental Bond
Elemental Bond
Kindred Discovery
Kindred Discovery
Mystic Remora
Mystic Remora
Parallel Lives
Parallel Lives
Quest for Renewal
Quest for Renewal
Rhystic Study
Rhystic Study
Lands (24)
Ancient Tomb
Ancient Tomb
Boseiju, Who Endures
Boseiju, Who Endures
Breeding Pool
Breeding Pool
Command Beacon
Command Beacon
Command Tower
Command Tower
Dreamroot Cascade
Dreamroot Cascade
Flooded Grove
Flooded Grove
Gaea's Cradle
Gaea's Cradle
Gemstone Caverns
Gemstone Caverns
Hedge Maze
Hedge Maze
Mana Confluence
Mana Confluence
Mistrise Village
Mistrise Village
Misty Rainforest
Misty Rainforest
Nykthos, Shrine to Nyx
Nykthos, Shrine to Nyx
Otawara, Soaring City
Otawara, Soaring City
Plaza of Heroes
Plaza of Heroes
Polluted Delta
Polluted Delta
Prismatic Vista
Prismatic Vista
Rejuvenating Springs
Rejuvenating Springs
Shifting Woodland
Shifting Woodland
Three Tree City
Three Tree City
Tropical Island
Tropical Island
Willowrush Verge
Willowrush Verge
Yavimaya, Cradle of Growth
Yavimaya, Cradle of Growth
Basics (4)
Forest
3 Forests
Island
3 Islands
Snow-Covered Forest
1 Snow-Covered Forest
Snow-Covered Island
2 Snow-Covered Islands