Average Deck for Koma, Cosmos Serpent - Budget Stax
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #304
2decks
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.
Aug 6, 2025
Can You Build Simic in Commander Without... Going Simic?
Can you go Simic without doing the Simic stuff that everyone dreads? Yes you can! Arnaud is here with some uncanny Commander deck ideas.
Average Decklist
- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 Acidic SlimeAcidic Slime
- 1 Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1 Alpha AuthorityAlpha Authority
- 1 Arasta of the Endless WebArasta of the Endless Web
- 1 Arcane SignetArcane Signet
- 1 Atraxa's FallAtraxa's Fall
- 1 Beastmaster AscensionBeastmaster Ascension
- 1 Blinding FogBlinding Fog
- 1 Blossoming DefenseBlossoming Defense
- 1 BrainstormBrainstorm
- 1 Broken BondBroken Bond
- 1 Carpet of FlowersCarpet of Flowers
- 1 Collector OupheCollector Ouphe
- 1 CounterspellCounterspell
- 1 DispelDispel
- 1 Elvish MysticElvish Mystic
- 1 Evolving WildsEvolving Wilds
- 1 FarseekFarseek
- 11 ForestForest
- 1 Frozen AetherFrozen Aether
- 1 Garruk's PackleaderGarruk's Packleader
- 1 Giant's AmuletGiant's Amulet
- 1 Gitaxian ProbeGitaxian Probe
- 1 Glaring SpotlightGlaring Spotlight
- 1 Growth SpiralGrowth Spiral
- 1 Hall of GemstoneHall of Gemstone
- 1 HarmonizeHarmonize
- 1 Haywire MiteHaywire Mite
- 1 Hinterland HarborHinterland Harbor
- 1 Imprisoned in the MoonImprisoned in the Moon
- 12 IslandIsland
- 1 Junk WinderJunk Winder
- 1 Keep SafeKeep Safe
- 1 Kenrith's TransformationKenrith's Transformation
- 1 Kodama's ReachKodama's Reach
- 1 Koma, World-EaterKoma, World-Eater
- 1 Krosan GripKrosan Grip
- 1 Llanowar ElvesLlanowar Elves
- 1 Mosswort BridgeMosswort Bridge
- 1 Murkfiend LiegeMurkfiend Liege
- 1 Myriad LandscapeMyriad Landscape
- 1 Nature's LoreNature's Lore
- 1 OctomancerOctomancer
- 1 Oko, Thief of CrownsOko, Thief of Crowns
- 1 OptOpt
- 1 Overflowing BasinOverflowing Basin
- 1 OverrunOverrun
- 1 PongifyPongify
- 1 Rampant GrowthRampant Growth
- 1 Rapid HybridizationRapid Hybridization
- 1 Reality ShiftReality Shift
- 1 Return to NatureReturn to Nature
- 1 Secluded CourtyardSecluded Courtyard
- 1 Serpent of Yawning DepthsSerpent of Yawning Depths
- 1 Simic Growth ChamberSimic Growth Chamber
- 1 Slinn Voda, the Rising DeepSlinn Voda, the Rising Deep
- 1 Sludge MonsterSludge Monster
- 1 Sol RingSol Ring
- 1 Stasis FieldStasis Field
- 1 Strix SerenadeStrix Serenade
- 1 Talisman of CuriosityTalisman of Curiosity
- 1 Temple of MysteryTemple of Mystery
- 1 Thrashing BrontodonThrashing Brontodon
- 1 Time StopTime Stop
- 1 Titania's CommandTitania's Command
- 1 Torpor OrbTorpor Orb
- 1 Tribute to the World TreeTribute to the World Tree
- 1 Trickster's ElkTrickster's Elk
- 1 Tyvar's StandTyvar's Stand
- 1 Unable to ScreamUnable to Scream
- 1 Utter InsignificanceUtter Insignificance
- 1 Verity CircleVerity Circle
- 1 Vexing BaubleVexing Bauble
- 1 Vineglimmer SnarlVineglimmer Snarl
- 1 Waterlogged GroveWaterlogged Grove
- 1 Weathered RunestoneWeathered Runestone
- 1 Witness ProtectionWitness Protection
- 1 Yavimaya CoastYavimaya Coast
Acidic Slime
Acidic Slime
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Arasta of the Endless Web
Arasta of the Endless Web
Collector Ouphe
Collector Ouphe
Elvish Mystic
Elvish Mystic
Garruk's Packleader
Garruk's Packleader
Haywire Mite
Haywire Mite
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Murkfiend Liege
Murkfiend Liege
Octomancer
Octomancer
Serpent of Yawning Depths
Serpent of Yawning Depths
Slinn Voda, the Rising Deep
Slinn Voda, the Rising Deep
Sludge Monster
Sludge Monster
Thrashing Brontodon
Thrashing Brontodon
Trickster's Elk
Trickster's Elk
Instants (16)
Blinding Fog
Blinding Fog
Blossoming Defense
Blossoming Defense
Brainstorm
Brainstorm
Counterspell
Counterspell
Dispel
Dispel
Growth Spiral
Growth Spiral
Keep Safe
Keep Safe
Krosan Grip
Krosan Grip
Opt
Opt
Pongify
Pongify
Rapid Hybridization
Rapid Hybridization
Reality Shift
Reality Shift
Return to Nature
Return to Nature
Strix Serenade
Strix Serenade
Time Stop
Time Stop
Tyvar's Stand
Tyvar's Stand
Sorceries (10)
Atraxa's Fall
Atraxa's Fall
Broken Bond
Broken Bond
Farseek
Farseek
Gitaxian Probe
Gitaxian Probe
Harmonize
Harmonize
Kodama's Reach
Kodama's Reach
Nature's Lore
Nature's Lore
Overrun
Overrun
Rampant Growth
Rampant Growth
Titania's Command
Titania's Command
Artifacts (8)
Arcane Signet
Arcane Signet
Giant's Amulet
Giant's Amulet
Glaring Spotlight
Glaring Spotlight
Sol Ring
Sol Ring
Talisman of Curiosity
Talisman of Curiosity
Torpor Orb
Torpor Orb
Vexing Bauble
Vexing Bauble
Weathered Runestone
Weathered Runestone
Enchantments (13)
Alpha Authority
Alpha Authority
Beastmaster Ascension
Beastmaster Ascension
Carpet of Flowers
Carpet of Flowers
Frozen Aether
Frozen Aether
Hall of Gemstone
Hall of Gemstone
Imprisoned in the Moon
Imprisoned in the Moon
Kenrith's Transformation
Kenrith's Transformation
Stasis Field
Stasis Field
Tribute to the World Tree
Tribute to the World Tree
Unable to Scream
Unable to Scream
Utter Insignificance
Utter Insignificance
Verity Circle
Verity Circle
Witness Protection
Witness Protection
Planeswalkers (1)
Oko, Thief of Crowns
Oko, Thief of Crowns
Lands (11)
Evolving Wilds
Evolving Wilds
Hinterland Harbor
Hinterland Harbor
Mosswort Bridge
Mosswort Bridge
Myriad Landscape
Myriad Landscape
Overflowing Basin
Overflowing Basin
Secluded Courtyard
Secluded Courtyard
Simic Growth Chamber
Simic Growth Chamber
Temple of Mystery
Temple of Mystery
Vineglimmer Snarl
Vineglimmer Snarl
Waterlogged Grove
Waterlogged Grove
Yavimaya Coast
Yavimaya Coast
Basics (2)
Forest
11 Forests
Island
12 Islands