Average Deck for Koma, Cosmos Serpent - Expensive Exhibition

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #320
2decks
Background image for Ten Brutal Cards To Try With The Cloning of Shredder
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Nov 13, 2025
How To Play Sea Creatures Differently In Commander
Sea creatures in Magic are basically as old as the game itself, but they've changed significantly in that time.
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Archidekt
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Average Decklist

Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Elvish Spirit Guide
Elvish Spirit Guide
End-Raze Forerunners
End-Raze Forerunners
Enduring Vitality
Enduring Vitality
Koma, World-Eater
Koma, World-Eater
Murkfiend Liege
Murkfiend Liege
Octomancer
Octomancer
Overlord of the Hauntwoods
Overlord of the Hauntwoods
Thrasios, Triton Hero
Thrasios, Triton Hero
Verdant Sun's Avatar
Verdant Sun's Avatar
Instants (8)
Aetherize
Aetherize
Brainstorm
Brainstorm
Growth Spiral
Growth Spiral
Heroic Intervention
Heroic Intervention
Mindbreak Trap
Mindbreak Trap
Slip Out the Back
Slip Out the Back
Swan Song
Swan Song
Veil of Summer
Veil of Summer
Sorceries (4)
Consuming Tide
Consuming Tide
Finale of Devastation
Finale of Devastation
Kodama's Reach
Kodama's Reach
Triumph of the Hordes
Triumph of the Hordes
Artifacts (6)
Arcane Signet
Arcane Signet
Combine Chrysalis
Combine Chrysalis
Fellwar Stone
Fellwar Stone
Herd Heirloom
Herd Heirloom
Simic Signet
Simic Signet
Thran Dynamo
Thran Dynamo
Enchantments (4)
Beastmaster Ascension
Beastmaster Ascension
Extravagant Replication
Extravagant Replication
Mystic Remora
Mystic Remora
Tribute to the World Tree
Tribute to the World Tree
Planeswalkers (2)
Kiora, Master of the Depths
Kiora, Master of the Depths
Oko, Thief of Crowns
Oko, Thief of Crowns
Lands (58)
Abstergo Entertainment
Abstergo Entertainment
Barkchannel Pathway
Barkchannel Pathway
Basilisk Gate
Basilisk Gate
Blast Zone
Blast Zone
Boseiju, Who Endures
Boseiju, Who Endures
Breeding Pool
Breeding Pool
Cavern of Souls
Cavern of Souls
Command Beacon
Command Beacon
Command Tower
Command Tower
Dark Depths
Dark Depths
Desert of the Indomitable
Desert of the Indomitable
Desert of the Mindful
Desert of the Mindful
Exotic Orchard
Exotic Orchard
Flooded Grove
Flooded Grove
Fountainport
Fountainport
Gallifrey Council Chamber
Gallifrey Council Chamber
Gateway Plaza
Gateway Plaza
Geier Reach Sanitarium
Geier Reach Sanitarium
Gemstone Caverns
Gemstone Caverns
Gond Gate
Gond Gate
Heap Gate
Heap Gate
Hedge Maze
Hedge Maze
Horizon of Progress
Horizon of Progress
Jasmine Dragon Tea Shop
Jasmine Dragon Tea Shop
Lush Oasis
Lush Oasis
Maze's End
Maze's End
Mikokoro, Center of the Sea
Mikokoro, Center of the Sea
Mirrex
Mirrex
Mirrorpool
Mirrorpool
Mistrise Village
Mistrise Village
Misty Rainforest
Misty Rainforest
Oboro, Palace in the Clouds
Oboro, Palace in the Clouds
Otawara, Soaring City
Otawara, Soaring City
Planar Nexus
Planar Nexus
Rejuvenating Springs
Rejuvenating Springs
Reliquary Tower
Reliquary Tower
Rivendell
Rivendell
Rumble Arena
Rumble Arena
Sea Gate
Sea Gate
Secret Tunnel
Secret Tunnel
Spawning Bed
Spawning Bed
Springjack Pasture
Springjack Pasture
Talon Gates of Madara
Talon Gates of Madara
Temple of Mystery
Temple of Mystery
The Grey Havens
The Grey Havens
Thran Portal
Thran Portal
Three Tree City
Three Tree City
Untaidake, the Cloud Keeper
Untaidake, the Cloud Keeper
Urza's Cave
Urza's Cave
Urza's Tower
Urza's Tower
Verdant Catacombs
Verdant Catacombs
Vesuva
Vesuva
Vineglimmer Snarl
Vineglimmer Snarl
Willowrush Verge
Willowrush Verge
Wooded Foothills
Wooded Foothills
Yavimaya Coast
Yavimaya Coast
Yavimaya, Cradle of Growth
Yavimaya, Cradle of Growth
Yavimaya Hollow
Yavimaya Hollow
Basics (4)
Forest
2 Forests
Island
2 Islands
Snow-Covered Forest
1 Snow-Covered Forest
Snow-Covered Island
2 Snow-Covered Islands