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Average Deck for Koma, Cosmos Serpent - Budget Upgraded Control
Alternate Names:
The Monstrous SerpentThe Monstrous Serpent
Koma, Cosmos Serpent
Rank #338
4decks
Mar 12, 2026
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Average Decklist
- 1 Koma, Cosmos SerpentKoma, Cosmos Serpent
- 1 Adrix and Nev, TwincastersAdrix and Nev, Twincasters
- 1 An Offer You Can't RefuseAn Offer You Can't Refuse
- 1 Arbor ElfArbor Elf
- 1 Arcane DenialArcane Denial
- 1 Arcane SignetArcane Signet
- 1 Arixmethes, Slumbering IsleArixmethes, Slumbering Isle
- 1 Beast WithinBeast Within
- 1 Blessed RespiteBlessed Respite
- 1 BrainstormBrainstorm
- 1 Broken BondBroken Bond
- 1 Combine ChrysalisCombine Chrysalis
- 1 Command TowerCommand Tower
- 1 Consult the Star ChartsConsult the Star Charts
- 1 Consuming TideConsuming Tide
- 1 CounterspellCounterspell
- 1 CultivateCultivate
- 1 Decisive DenialDecisive Denial
- 1 Defend the HearthDefend the Hearth
- 1 Dreamroot CascadeDreamroot Cascade
- 1 Elemental BondElemental Bond
- 1 Elvish MysticElvish Mystic
- 1 Eternal WitnessEternal Witness
- 1 Evolutionary LeapEvolutionary Leap
- 1 ExploreExplore
- 1 Farhaven ElfFarhaven Elf
- 13 ForestForest
- 1 Garruk's PackleaderGarruk's Packleader
- 1 Garruk's UprisingGarruk's Uprising
- 1 Growth SpiralGrowth Spiral
- 1 HarmonizeHarmonize
- 1 HarrowHarrow
- 1 Hide on the CeilingHide on the Ceiling
- 1 Hinterland HarborHinterland Harbor
- 1 Imprisoned in the MoonImprisoned in the Moon
- 13 IslandIsland
- 1 Joint ExplorationJoint Exploration
- 1 Junk WinderJunk Winder
- 1 Kodama's ReachKodama's Reach
- 1 Koma, World-EaterKoma, World-Eater
- 1 Littjara MirrorlakeLittjara Mirrorlake
- 1 Llanowar ElvesLlanowar Elves
- 1 Mana LeakMana Leak
- 1 Master BiomancerMaster Biomancer
- 1 Migration PathMigration Path
- 1 Mystic SnakeMystic Snake
- 1 NegateNegate
- 1 Nightshade DryadNightshade Dryad
- 1 Planar GenesisPlanar Genesis
- 1 Rampant GrowthRampant Growth
- 1 Rapid HybridizationRapid Hybridization
- 1 Reality ShiftReality Shift
- 1 RegrowthRegrowth
- 1 Restless VinestalkRestless Vinestalk
- 1 Sakura-Tribe ElderSakura-Tribe Elder
- 1 Scourge of FleetsScourge of Fleets
- 1 Seedborn MuseSeedborn Muse
- 1 Slip Out the BackSlip Out the Back
- 1 Sol RingSol Ring
- 1 StarwinderStarwinder
- 1 Summon: LeviathanSummon: Leviathan
- 1 SyncopateSyncopate
- 1 Tamiyo's SafekeepingTamiyo's Safekeeping
- 1 Tangled IsletTangled Islet
- 1 Temple of MysteryTemple of Mystery
- 1 Tender WildguideTender Wildguide
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 Terrific Team-UpTerrific Team-Up
- 1 The Unagi of Kyoshi IslandThe Unagi of Kyoshi Island
- 1 Trygon PredatorTrygon Predator
- 1 Urban EvolutionUrban Evolution
- 1 Vineglimmer SnarlVineglimmer Snarl
- 1 Whelming WaveWhelming Wave
- 1 Wilderness ReclamationWilderness Reclamation
- 1 Wood ElvesWood Elves
- 1 Yavimaya CoastYavimaya Coast
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Arbor Elf
Arbor Elf
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Elvish Mystic
Elvish Mystic
Eternal Witness
Eternal Witness
Farhaven Elf
Farhaven Elf
Garruk's Packleader
Garruk's Packleader
Junk Winder
Junk Winder
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Master Biomancer
Master Biomancer
Mystic Snake
Mystic Snake
Nightshade Dryad
Nightshade Dryad
Sakura-Tribe Elder
Sakura-Tribe Elder
Scourge of Fleets
Scourge of Fleets
Seedborn Muse
Seedborn Muse
Starwinder
Starwinder
Summon: Leviathan
Summon: Leviathan
Tender Wildguide
Tender Wildguide
The Unagi of Kyoshi Island
The Unagi of Kyoshi Island
Trygon Predator
Trygon Predator
Wood Elves
Wood Elves
Instants (22)
An Offer You Can't Refuse
An Offer You Can't Refuse
Arcane Denial
Arcane Denial
Beast Within
Beast Within
Blessed Respite
Blessed Respite
Brainstorm
Brainstorm
Consult the Star Charts
Consult the Star Charts
Counterspell
Counterspell
Decisive Denial
Decisive Denial
Defend the Hearth
Defend the Hearth
Growth Spiral
Growth Spiral
Harrow
Harrow
Hide on the Ceiling
Hide on the Ceiling
Joint Exploration
Joint Exploration
Mana Leak
Mana Leak
Negate
Negate
Planar Genesis
Planar Genesis
Rapid Hybridization
Rapid Hybridization
Reality Shift
Reality Shift
Slip Out the Back
Slip Out the Back
Syncopate
Syncopate
Tamiyo's Safekeeping
Tamiyo's Safekeeping
Terrific Team-Up
Terrific Team-Up
Sorceries (11)
Broken Bond
Broken Bond
Consuming Tide
Consuming Tide
Cultivate
Cultivate
Explore
Explore
Harmonize
Harmonize
Kodama's Reach
Kodama's Reach
Migration Path
Migration Path
Rampant Growth
Rampant Growth
Regrowth
Regrowth
Urban Evolution
Urban Evolution
Whelming Wave
Whelming Wave
Artifacts (3)
Arcane Signet
Arcane Signet
Combine Chrysalis
Combine Chrysalis
Sol Ring
Sol Ring
Enchantments (5)
Elemental Bond
Elemental Bond
Evolutionary Leap
Evolutionary Leap
Garruk's Uprising
Garruk's Uprising
Imprisoned in the Moon
Imprisoned in the Moon
Wilderness Reclamation
Wilderness Reclamation
Lands (10)
Command Tower
Command Tower
Dreamroot Cascade
Dreamroot Cascade
Hinterland Harbor
Hinterland Harbor
Littjara Mirrorlake
Littjara Mirrorlake
Restless Vinestalk
Restless Vinestalk
Tangled Islet
Tangled Islet
Temple of Mystery
Temple of Mystery
Terramorphic Expanse
Terramorphic Expanse
Vineglimmer Snarl
Vineglimmer Snarl
Yavimaya Coast
Yavimaya Coast
Basics (2)
Forest
13 Forest
Island
13 Island