Average Deck for Koma, Cosmos Serpent - Budget Optimized Control

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #307
3decks
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Aug 6, 2025
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Average Decklist

Acidic Slime
Acidic Slime
Adrix and Nev, Twincasters
Adrix and Nev, Twincasters
Collector Ouphe
Collector Ouphe
Eternal Witness
Eternal Witness
Gandalf, Westward Voyager
Gandalf, Westward Voyager
Hydroelectric Specimen
Hydroelectric Specimen
Junk Winder
Junk Winder
Kenessos, Priest of Thassa
Kenessos, Priest of Thassa
Koma, World-Eater
Koma, World-Eater
Rampaging Baloths
Rampaging Baloths
Ramunap Excavator
Ramunap Excavator
Reclamation Sage
Reclamation Sage
Scourge of Fleets
Scourge of Fleets
Serpent of Yawning Depths
Serpent of Yawning Depths
Sludge Monster
Sludge Monster
Stormtide Leviathan
Stormtide Leviathan
Tatyova, Benthic Druid
Tatyova, Benthic Druid
Tishana, Voice of Thunder
Tishana, Voice of Thunder
Trickster's Elk
Trickster's Elk
Instants (24)
An Offer You Can't Refuse
An Offer You Can't Refuse
Arcane Denial
Arcane Denial
Archdruid's Charm
Archdruid's Charm
Beast Within
Beast Within
Blinding Fog
Blinding Fog
Brainstorm
Brainstorm
Counterspell
Counterspell
Defabricate
Defabricate
Eureka Moment
Eureka Moment
Fact or Fiction
Fact or Fiction
Filter Out
Filter Out
Growth Spiral
Growth Spiral
Keep Safe
Keep Safe
Nature's Claim
Nature's Claim
Peel from Reality
Peel from Reality
Pongify
Pongify
Refute
Refute
Roiling Regrowth
Roiling Regrowth
Sink into Stupor
Sink into Stupor
Snakeskin Veil
Snakeskin Veil
Strix Serenade
Strix Serenade
Stubborn Denial
Stubborn Denial
Time Stop
Time Stop
Tyvar's Stand
Tyvar's Stand
Sorceries (8)
Atraxa's Fall
Atraxa's Fall
Consuming Tide
Consuming Tide
Cultivate
Cultivate
Farseek
Farseek
Kodama's Reach
Kodama's Reach
Rampant Growth
Rampant Growth
Skyshroud Claim
Skyshroud Claim
Whelming Wave
Whelming Wave
Artifacts (4)
Arcane Signet
Arcane Signet
Glaring Spotlight
Glaring Spotlight
Sensei's Divining Top
Sensei's Divining Top
Swiftfoot Boots
Swiftfoot Boots
Enchantments (9)
Counterbalance
Counterbalance
Elemental Bond
Elemental Bond
Imprisoned in the Moon
Imprisoned in the Moon
Kenrith's Transformation
Kenrith's Transformation
Rhystic Study
Rhystic Study
Spelunking
Spelunking
Tribute to the World Tree
Tribute to the World Tree
Unable to Scream
Unable to Scream
Verity Circle
Verity Circle
Planeswalkers (1)
Oko, Thief of Crowns
Oko, Thief of Crowns
Lands (13)
Castle Vantress
Castle Vantress
Command Tower
Command Tower
Evolving Wilds
Evolving Wilds
Flooded Grove
Flooded Grove
Hinterland Harbor
Hinterland Harbor
Myriad Landscape
Myriad Landscape
Rejuvenating Springs
Rejuvenating Springs
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
10 Forests
Island
11 Islands