Average Deck for Koma, Cosmos Serpent - Budget Upgraded Sea Creatures

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #322
1decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Background image for Fun Alternatives for the Top Ten Saltiest Commanders
Ezra Sassaman
Mar 12, 2026
Ezra Sassaman
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.
Background image for Ten Brutal Cards To Try With The Cloning of Shredder
Levi Perry
Feb 4, 2026
Levi Perry
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?
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall

Average Decklist

Koma, Cosmos Serpent
Buy at Card Kingdom
Buy at TCGPlayer
Buy at Manapool
ArchidektPlaytest on Archidekt
Creatures
Instants
Sorceries
Artifacts
Enchantments
Lands
Basics
Back to Top
Aesi, Tyrant of Gyre Strait
Aesi, Tyrant of Gyre Strait
Arixmethes, Slumbering Isle
Arixmethes, Slumbering Isle
Druid of Purification
Druid of Purification
Hullbreaker Horror
Hullbreaker Horror
Koma, World-Eater
Koma, World-Eater
Llanowar Elves
Llanowar Elves
Llanowar Visionary
Llanowar Visionary
Maraleaf Pixie
Maraleaf Pixie
Stormsurge Kraken
Stormsurge Kraken
Sylvan Caryatid
Sylvan Caryatid
Instants (26)
Aetherize
Aetherize
Anticipate
Anticipate
Appetite for the Unnatural
Appetite for the Unnatural
Arcane Denial
Arcane Denial
Barrier Breach
Barrier Breach
Beast Within
Beast Within
Brainsurge
Brainsurge
Counterspell
Counterspell
Depart the Realm
Depart the Realm
Eureka Moment
Eureka Moment
Geistwave
Geistwave
Growth Spiral
Growth Spiral
Harrow
Harrow
Heroic Intervention
Heroic Intervention
Into the Roil
Into the Roil
Krosan Grip
Krosan Grip
Negate
Negate
Planar Genesis
Planar Genesis
Quandrix Command
Quandrix Command
Quick Study
Quick Study
Rewind
Rewind
Simic Charm
Simic Charm
Spell Swindle
Spell Swindle
Telling Time
Telling Time
Unwind
Unwind
Voidslime
Voidslime
Sorceries (13)
Baral's Expertise
Baral's Expertise
Broken Bond
Broken Bond
Clear the Mind
Clear the Mind
Cultivate
Cultivate
Explore
Explore
Farseek
Farseek
Kodama's Reach
Kodama's Reach
Nature's Lore
Nature's Lore
Rampant Growth
Rampant Growth
Rishkar's Expertise
Rishkar's Expertise
River's Rebuke
River's Rebuke
Urban Evolution
Urban Evolution
Whelming Wave
Whelming Wave
Artifacts (6)
Basilisk Collar
Basilisk Collar
Bident of Thassa
Bident of Thassa
Midnight Clock
Midnight Clock
Sol Ring
Sol Ring
Swiftfoot Boots
Swiftfoot Boots
Thought Vessel
Thought Vessel
Enchantments (8)
Colossal Majesty
Colossal Majesty
Elemental Bond
Elemental Bond
Imprisoned in the Moon
Imprisoned in the Moon
Kumena's Awakening
Kumena's Awakening
Leyline of Anticipation
Leyline of Anticipation
Parallel Lives
Parallel Lives
Primal Rage
Primal Rage
Wilderness Reclamation
Wilderness Reclamation
Lands (10)
Command Tower
Command Tower
Dreamroot Cascade
Dreamroot Cascade
Flooded Grove
Flooded Grove
Hinterland Harbor
Hinterland Harbor
Lumbering Falls
Lumbering Falls
Mystifying Maze
Mystifying Maze
Overflowing Basin
Overflowing Basin
Temple of the False God
Temple of the False God
Vineglimmer Snarl
Vineglimmer Snarl
Yavimaya Coast
Yavimaya Coast
Basics (2)
Forest
13 Forests
Island
13 Islands
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test