Average Deck for Koma, Cosmos Serpent - Budget Sea Creatures

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #341
12decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Ezra Sassaman
Mar 12, 2026
Ezra Sassaman
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Feb 4, 2026
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Decklist

Koma, Cosmos Serpent
Buy at Card Kingdom
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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
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Brinelin, the Moon Kraken
Brinelin, the Moon Kraken
Charix, the Raging Isle
Charix, the Raging Isle
Deep-Sea Kraken
Deep-Sea Kraken
Hullbreaker Horror
Hullbreaker Horror
Inkwell Leviathan
Inkwell Leviathan
Junk Winder
Junk Winder
Kiora, Sovereign of the Deep
Kiora, Sovereign of the Deep
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Mesmerizing Benthid
Mesmerizing Benthid
Monstrosity of the Lake
Monstrosity of the Lake
Murkfiend Liege
Murkfiend Liege
Nadir Kraken
Nadir Kraken
Reef Worm
Reef Worm
Reservoir Kraken
Reservoir Kraken
Scourge of Fleets
Scourge of Fleets
Serpent of Yawning Depths
Serpent of Yawning Depths
Simic Sky Swallower
Simic Sky Swallower
Slinn Voda, the Rising Deep
Slinn Voda, the Rising Deep
Spawning Kraken
Spawning Kraken
Stormsurge Kraken
Stormsurge Kraken
Stormtide Leviathan
Stormtide Leviathan
Sword Coast Serpent
Sword Coast Serpent
The Terror of Serpent's Pass
The Terror of Serpent's Pass
Tolarian Kraken
Tolarian Kraken
Tolarian Terror
Tolarian Terror
Trench Behemoth
Trench Behemoth
Tromokratis
Tromokratis
Verazol, the Split Current
Verazol, the Split Current
Xolatoyac, the Smiling Flood
Xolatoyac, the Smiling Flood
Instants (10)
Beast Within
Beast Within
Counterspell
Counterspell
Decisive Denial
Decisive Denial
Growth Spiral
Growth Spiral
Harrow
Harrow
Heritage Reclamation
Heritage Reclamation
Negate
Negate
Return of the Wildspeaker
Return of the Wildspeaker
Return to Nature
Return to Nature
Simic Charm
Simic Charm
Sorceries (8)
Crush of Tentacles
Crush of Tentacles
Cultivate
Cultivate
Explore
Explore
Farseek
Farseek
Kodama's Reach
Kodama's Reach
Rampant Growth
Rampant Growth
Urban Evolution
Urban Evolution
Whelming Wave
Whelming Wave
Artifacts (6)
Arcane Signet
Arcane Signet
Commander's Sphere
Commander's Sphere
Kefnet's Monument
Kefnet's Monument
Simic Signet
Simic Signet
Sol Ring
Sol Ring
Talisman of Curiosity
Talisman of Curiosity
Enchantments (5)
Garruk's Uprising
Garruk's Uprising
Levitation
Levitation
Ominous Seas
Ominous Seas
Primal Empathy
Primal Empathy
Quest for Ula's Temple
Quest for Ula's Temple
Planeswalkers (1)
Kiora, the Crashing Wave
Kiora, the Crashing Wave
Lands (9)
Command Tower
Command Tower
Flooded Grove
Flooded Grove
Hinterland Harbor
Hinterland Harbor
Mosswort Bridge
Mosswort Bridge
Reliquary Tower
Reliquary Tower
Simic Growth Chamber
Simic Growth Chamber
Temple of Mystery
Temple of Mystery
Temple of the False God
Temple of the False God
Thornwood Falls
Thornwood Falls
Basics (2)
Forest
13 Forest
Island
14 Island
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