Average Deck for Koma, Cosmos Serpent - Budget Sea Creatures
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #298
14decks
Nov 13, 2025
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Average Decklist
- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 Arcane SignetArcane Signet
- 1 Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1 Beast WithinBeast Within
- 1 Bounty of the LuxaBounty of the Luxa
- 1 Brinelin, the Moon KrakenBrinelin, the Moon Kraken
- 1 Charix, the Raging IsleCharix, the Raging Isle
- 1 Command TowerCommand Tower
- 1 Commander's SphereCommander's Sphere
- 1 CounterspellCounterspell
- 1 Crush of TentaclesCrush of Tentacles
- 1 CultivateCultivate
- 1 Deep-Sea KrakenDeep-Sea Kraken
- 1 Elder Deep-FiendElder Deep-Fiend
- 1 Evolving WildsEvolving Wilds
- 1 Exotic OrchardExotic Orchard
- 1 ExploreExplore
- 13 ForestForest
- 1 Garruk's UprisingGarruk's Uprising
- 1 Glacier GodmawGlacier Godmaw
- 1 Growth SpiralGrowth Spiral
- 1 HarmonizeHarmonize
- 1 HarrowHarrow
- 1 Hullbreaker HorrorHullbreaker Horror
- 1 Iceridge SerpentIceridge Serpent
- 1 Inkwell LeviathanInkwell Leviathan
- 13 IslandIsland
- 1 Junk WinderJunk Winder
- 1 Kefnet's MonumentKefnet's Monument
- 1 Khalni Heart ExpeditionKhalni Heart Expedition
- 1 Kiora, Behemoth BeckonerKiora, Behemoth Beckoner
- 1 Kiora, Sovereign of the DeepKiora, Sovereign of the Deep
- 1 Kodama's ReachKodama's Reach
- 1 Koma, World-EaterKoma, World-Eater
- 1 Kraken of the StraitsKraken of the Straits
- 1 LevitationLevitation
- 1 Magic DamperMagic Damper
- 1 Mesmerizing BenthidMesmerizing Benthid
- 1 Murkfiend LiegeMurkfiend Liege
- 1 Nadir KrakenNadir Kraken
- 1 NegateNegate
- 1 Nezahal, Primal TideNezahal, Primal Tide
- 1 OctoprophetOctoprophet
- 1 Ominous SeasOminous Seas
- 1 Primal EmpathyPrimal Empathy
- 1 Rampant GrowthRampant Growth
- 1 Reef WormReef Worm
- 1 RefuteRefute
- 1 Reservoir KrakenReservoir Kraken
- 1 Return of the WildspeakerReturn of the Wildspeaker
- 1 Return to NatureReturn to Nature
- 1 Scourge of FleetsScourge of Fleets
- 1 Serpent of Yawning DepthsSerpent of Yawning Depths
- 1 SharktocrabSharktocrab
- 1 Shipbreaker KrakenShipbreaker Kraken
- 1 Simic CharmSimic Charm
- 1 Simic Growth ChamberSimic Growth Chamber
- 1 Simic SignetSimic Signet
- 1 Simic Sky SwallowerSimic Sky Swallower
- 1 Slinn Voda, the Rising DeepSlinn Voda, the Rising Deep
- 2 Snow-Covered ForestSnow-Covered Forest
- 1 Snow-Covered IslandSnow-Covered Island
- 1 Sol RingSol Ring
- 1 Spawning KrakenSpawning Kraken
- 1 StarwinderStarwinder
- 1 Stormsurge KrakenStormsurge Kraken
- 1 Stormtide LeviathanStormtide Leviathan
- 1 Tangled IsletTangled Islet
- 1 Temple of MysteryTemple of Mystery
- 1 Thornwood FallsThornwood Falls
- 1 TromokratisTromokratis
- 1 Urban EvolutionUrban Evolution
- 1 Verazol, the Split CurrentVerazol, the Split Current
- 1 Whelming WaveWhelming Wave
- 1 Woodland StreamWoodland Stream
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
Elder Deep-Fiend
Elder Deep-Fiend
Glacier Godmaw
Glacier Godmaw
Hullbreaker Horror
Hullbreaker Horror
Iceridge Serpent
Iceridge Serpent
Inkwell Leviathan
Inkwell Leviathan
Junk Winder
Junk Winder
Kiora, Sovereign of the Deep
Kiora, Sovereign of the Deep
Koma, World-Eater
Koma, World-Eater
Kraken of the Straits
Kraken of the Straits
Mesmerizing Benthid
Mesmerizing Benthid
Murkfiend Liege
Murkfiend Liege
Nadir Kraken
Nadir Kraken
Nezahal, Primal Tide
Nezahal, Primal Tide
Octoprophet
Octoprophet
Reef Worm
Reef Worm
Reservoir Kraken
Reservoir Kraken
Scourge of Fleets
Scourge of Fleets
Serpent of Yawning Depths
Serpent of Yawning Depths
Sharktocrab
Sharktocrab
Shipbreaker Kraken
Shipbreaker Kraken
Simic Sky Swallower
Simic Sky Swallower
Slinn Voda, the Rising Deep
Slinn Voda, the Rising Deep
Spawning Kraken
Spawning Kraken
Starwinder
Starwinder
Stormsurge Kraken
Stormsurge Kraken
Stormtide Leviathan
Stormtide Leviathan
Tromokratis
Tromokratis
Verazol, the Split Current
Verazol, the Split Current
Instants (10)
Beast Within
Beast Within
Counterspell
Counterspell
Growth Spiral
Growth Spiral
Harrow
Harrow
Magic Damper
Magic Damper
Negate
Negate
Refute
Refute
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
Harmonize
Harmonize
Kodama's Reach
Kodama's Reach
Rampant Growth
Rampant Growth
Urban Evolution
Urban Evolution
Whelming Wave
Whelming Wave
Artifacts (5)
Arcane Signet
Arcane Signet
Commander's Sphere
Commander's Sphere
Kefnet's Monument
Kefnet's Monument
Simic Signet
Simic Signet
Sol Ring
Sol Ring
Enchantments (6)
Bounty of the Luxa
Bounty of the Luxa
Garruk's Uprising
Garruk's Uprising
Khalni Heart Expedition
Khalni Heart Expedition
Levitation
Levitation
Ominous Seas
Ominous Seas
Primal Empathy
Primal Empathy
Planeswalkers (1)
Kiora, Behemoth Beckoner
Kiora, Behemoth Beckoner
Lands (8)
Command Tower
Command Tower
Evolving Wilds
Evolving Wilds
Exotic Orchard
Exotic Orchard
Simic Growth Chamber
Simic Growth Chamber
Tangled Islet
Tangled Islet
Temple of Mystery
Temple of Mystery
Thornwood Falls
Thornwood Falls
Woodland Stream
Woodland Stream
Basics (4)
Forest
13 Forests
Island
13 Islands
Snow-Covered Forest
2 Snow-Covered Forests
Snow-Covered Island
1 Snow-Covered Island