Average Deck for Koma, Cosmos Serpent - Big Mana
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #322
10decks
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.
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?
Average Decklist
- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1 Aesi, Tyrant of Gyre StraitAesi, Tyrant of Gyre Strait
- 1 Arcane DenialArcane Denial
- 1 Arcane SignetArcane Signet
- 1 Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1 Birds of ParadiseBirds of Paradise
- 1 Breeding PoolBreeding Pool
- 1 Coat of ArmsCoat of Arms
- 1 Command TowerCommand Tower
- 1 CounterspellCounterspell
- 1 CultivateCultivate
- 1 Cyclonic RiftCyclonic Rift
- 1 Delighted HalflingDelighted Halfling
- 1 Double MajorDouble Major
- 1 Doubling SeasonDoubling Season
- 1 Elemental BondElemental Bond
- 1 Elvish MysticElvish Mystic
- 1 Fanatic of RhonasFanatic of Rhonas
- 1 FarseekFarseek
- 1 Fierce GuardianshipFierce Guardianship
- 11 ForestForest
- 1 Fyndhorn ElvesFyndhorn Elves
- 1 Garruk's PackleaderGarruk's Packleader
- 1 Garruk's UprisingGarruk's Uprising
- 1 Grappling KrakenGrappling Kraken
- 1 Growth SpiralGrowth Spiral
- 1 Hedge MazeHedge Maze
- 1 Helm of the HostHelm of the Host
- 1 Heroic InterventionHeroic Intervention
- 1 Hinterland HarborHinterland Harbor
- 1 Hullbreaker HorrorHullbreaker Horror
- 1 Irenicus's Vile DuplicationIrenicus's Vile Duplication
- 12 IslandIsland
- 1 Junk WinderJunk Winder
- 1 Kindred DiscoveryKindred Discovery
- 1 Kodama's ReachKodama's Reach
- 1 Koma, World-EaterKoma, World-Eater
- 1 Lessons from LifeLessons from Life
- 1 Llanowar ElvesLlanowar Elves
- 1 Mana DrainMana Drain
- 1 Muddle the MixtureMuddle the Mixture
- 1 Murkfiend LiegeMurkfiend Liege
- 1 Myriad LandscapeMyriad Landscape
- 1 Nature's LoreNature's Lore
- 1 NegateNegate
- 1 OctomancerOctomancer
- 1 Oko, Lorwyn LiegeOko, Lorwyn Liege
- 1 Plasm CapturePlasm Capture
- 1 Rampant GrowthRampant Growth
- 1 Rapid HybridizationRapid Hybridization
- 1 Reliquary TowerReliquary Tower
- 1 Rhystic StudyRhystic Study
- 1 Rogue's PassageRogue's Passage
- 1 Sakashima the ImpostorSakashima the Impostor
- 1 Sakura-Tribe ElderSakura-Tribe Elder
- 1 Scourge of FleetsScourge of Fleets
- 1 Season of WeavingSeason of Weaving
- 1 Seedborn MuseSeedborn Muse
- 1 Serpent of Yawning DepthsSerpent of Yawning Depths
- 1 Simic Growth ChamberSimic Growth Chamber
- 1 Simic SignetSimic Signet
- 1 Skyserpent SeekerSkyserpent Seeker
- 1 Sol RingSol Ring
- 1 Spark DoubleSpark Double
- 1 Spawning KrakenSpawning Kraken
- 1 StarwinderStarwinder
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Talisman of CuriosityTalisman of Curiosity
- 1 Tatyova, Benthic DruidTatyova, Benthic Druid
- 1 Temple of MysteryTemple of Mystery
- 1 Temple of the False GodTemple of the False God
- 1 Three VisitsThree Visits
- 1 Tribute to the World TreeTribute to the World Tree
- 1 Unnatural GrowthUnnatural Growth
- 1 Vineglimmer SnarlVineglimmer Snarl
- 1 Wan Shi Tong, LibrarianWan Shi Tong, Librarian
- 1 Whelming WaveWhelming Wave
- 1 Yavimaya CoastYavimaya Coast
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Aesi, Tyrant of Gyre Strait
Aesi, Tyrant of Gyre Strait
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Birds of Paradise
Birds of Paradise
Delighted Halfling
Delighted Halfling
Elvish Mystic
Elvish Mystic
Fanatic of Rhonas
Fanatic of Rhonas
Fyndhorn Elves
Fyndhorn Elves
Garruk's Packleader
Garruk's Packleader
Grappling Kraken
Grappling Kraken
Hullbreaker Horror
Hullbreaker Horror
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Murkfiend Liege
Murkfiend Liege
Octomancer
Octomancer
Sakashima the Impostor
Sakashima the Impostor
Sakura-Tribe Elder
Sakura-Tribe Elder
Scourge of Fleets
Scourge of Fleets
Seedborn Muse
Seedborn Muse
Serpent of Yawning Depths
Serpent of Yawning Depths
Skyserpent Seeker
Skyserpent Seeker
Spark Double
Spark Double
Spawning Kraken
Spawning Kraken
Starwinder
Starwinder
Tatyova, Benthic Druid
Tatyova, Benthic Druid
Wan Shi Tong, Librarian
Wan Shi Tong, Librarian
Instants (12)
Arcane Denial
Arcane Denial
Counterspell
Counterspell
Cyclonic Rift
Cyclonic Rift
Double Major
Double Major
Fierce Guardianship
Fierce Guardianship
Growth Spiral
Growth Spiral
Heroic Intervention
Heroic Intervention
Mana Drain
Mana Drain
Muddle the Mixture
Muddle the Mixture
Negate
Negate
Plasm Capture
Plasm Capture
Rapid Hybridization
Rapid Hybridization
Sorceries (10)
Cultivate
Cultivate
Farseek
Farseek
Irenicus's Vile Duplication
Irenicus's Vile Duplication
Kodama's Reach
Kodama's Reach
Lessons from Life
Lessons from Life
Nature's Lore
Nature's Lore
Rampant Growth
Rampant Growth
Season of Weaving
Season of Weaving
Three Visits
Three Visits
Whelming Wave
Whelming Wave
Artifacts (7)
Arcane Signet
Arcane Signet
Coat of Arms
Coat of Arms
Helm of the Host
Helm of the Host
Simic Signet
Simic Signet
Sol Ring
Sol Ring
Swiftfoot Boots
Swiftfoot Boots
Talisman of Curiosity
Talisman of Curiosity
Enchantments (7)
Doubling Season
Doubling Season
Elemental Bond
Elemental Bond
Garruk's Uprising
Garruk's Uprising
Kindred Discovery
Kindred Discovery
Rhystic Study
Rhystic Study
Tribute to the World Tree
Tribute to the World Tree
Unnatural Growth
Unnatural Growth
Planeswalkers (1)
Oko, Lorwyn Liege
Oko, Lorwyn Liege
Lands (12)
Breeding Pool
Breeding Pool
Command Tower
Command Tower
Hedge Maze
Hedge Maze
Hinterland Harbor
Hinterland Harbor
Myriad Landscape
Myriad Landscape
Reliquary Tower
Reliquary Tower
Rogue's Passage
Rogue's Passage
Simic Growth Chamber
Simic Growth Chamber
Temple of Mystery
Temple of Mystery
Temple of the False God
Temple of the False God
Vineglimmer Snarl
Vineglimmer Snarl
Yavimaya Coast
Yavimaya Coast
Basics (2)
Forest
11 Forests
Island
12 Islands