Koma, Cosmos Serpent (Commander) - Expensive Lands Matter

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #308
3decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Background image for How To Play Sea Creatures Differently In Commander
Sikora
Nov 13, 2025
Sikora
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Rhystic Study
100%inclusion3 decks3 decks
78%synergy
Fierce Guardianship
100%inclusion3 decks3 decks
83%synergy
Cyclonic Rift
100%inclusion3 decks3 decks
74%synergy
The One Ring
67%inclusion2 decks3 decks
59%synergy
Worldly Tutor
67%inclusion2 decks3 decks
51%synergy
Mystical Tutor
67%inclusion2 decks3 decks
57%synergy
Survival of the Fittest
33%inclusion1 decks3 decks
33%synergy
Ancient Tomb
33%inclusion1 decks3 decks
24%synergy
Crop Rotation
33%inclusion1 decks3 decks
20%synergy
Consecrated Sphinx
33%inclusion1 decks3 decks
25%synergy
Creatures
Spark Double
100%inclusion3 decks3 decks
90%synergy
Sakashima of a Thousand Faces
100%inclusion3 decks3 decks
95%synergy
Birds of Paradise
100%inclusion3 decks3 decks
72%synergy
Spawning Kraken
100%inclusion3 decks3 decks
93%synergy
Koma, World-Eater
67%inclusion2 decks3 decks
53%synergy
Aesi, Tyrant of Gyre Strait
67%inclusion2 decks3 decks
49%synergy
Craterhoof Behemoth
67%inclusion2 decks3 decks
57%synergy
Sakashima the Impostor
67%inclusion2 decks3 decks
64%synergy
Toski, Bearer of Secrets
67%inclusion2 decks3 decks
63%synergy
Faerie Mastermind
67%inclusion2 decks3 decks
62%synergy
Bloomvine Regent
50%inclusion1 decks2 decks
49%synergy
Summon: Bahamut
50%inclusion1 decks2 decks
49%synergy
Tatyova, Benthic Druid
33%inclusion1 decks3 decks
2%synergy
Bloom Tender
33%inclusion1 decks3 decks
29%synergy
Collector Ouphe
33%inclusion1 decks3 decks
32%synergy
Adrix and Nev, Twincasters
33%inclusion1 decks3 decks
25%synergy
Ashaya, Soul of the Wild
33%inclusion1 decks3 decks
24%synergy
Grappling Kraken
33%inclusion1 decks3 decks
29%synergy
Selvala, Heart of the Wilds
33%inclusion1 decks3 decks
30%synergy
Disciple of Freyalise
33%inclusion1 decks3 decks
29%synergy
Archmage of Runes
33%inclusion1 decks3 decks
33%synergy
Eternal Witness
33%inclusion1 decks3 decks
12%synergy
Nissa, Vastwood Seer
33%inclusion1 decks3 decks
33%synergy
Enduring Vitality
33%inclusion1 decks3 decks
26%synergy
Roaming Throne
33%inclusion1 decks3 decks
25%synergy
Elder Gargaroth
33%inclusion1 decks3 decks
32%synergy
Overlord of the Hauntwoods
33%inclusion1 decks3 decks
30%synergy
Junk Winder
33%inclusion1 decks3 decks
27%synergy
End-Raze Forerunners
33%inclusion1 decks3 decks
29%synergy
Azusa, Lost but Seeking
33%inclusion1 decks3 decks
19%synergy
Oracle of Mul Daya
33%inclusion1 decks3 decks
25%synergy
Vigor
33%inclusion1 decks3 decks
32%synergy
Fanatic of Rhonas
33%inclusion1 decks3 decks
28%synergy
Kozilek, Butcher of Truth
33%inclusion1 decks3 decks
31%synergy
Pathbreaker Ibex
33%inclusion1 decks3 decks
32%synergy
Ancient Silver Dragon
33%inclusion1 decks3 decks
32%synergy
Allosaurus Shepherd
33%inclusion1 decks3 decks
32%synergy
Esix, Fractal Bloom
33%inclusion1 decks3 decks
29%synergy
Sire of Seven Deaths
33%inclusion1 decks3 decks
32%synergy
Tireless Provisioner
33%inclusion1 decks3 decks
18%synergy
Railway Brawler
33%inclusion1 decks3 decks
31%synergy
Ulamog, the Infinite Gyre
33%inclusion1 decks3 decks
31%synergy
Ohran Frostfang
33%inclusion1 decks3 decks
30%synergy
Tolarian Terror
33%inclusion1 decks3 decks
33%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
29%synergy
Charix, the Raging Isle
33%inclusion1 decks3 decks
30%synergy
Arixmethes, Slumbering Isle
33%inclusion1 decks3 decks
20%synergy
Kodama of the East Tree
33%inclusion1 decks3 decks
28%synergy
Colossal Whale
33%inclusion1 decks3 decks
32%synergy
Micromancer
33%inclusion1 decks3 decks
33%synergy
Instants
Mana Drain
100%inclusion3 decks3 decks
84%synergy
Pongify
67%inclusion2 decks3 decks
42%synergy
Swan Song
67%inclusion2 decks3 decks
47%synergy
Counterspell
67%inclusion2 decks3 decks
17%synergy
Rapid Hybridization
33%inclusion1 decks3 decks
7%synergy
Eureka Moment
33%inclusion1 decks3 decks
22%synergy
Mental Misstep
33%inclusion1 decks3 decks
28%synergy
An Offer You Can't Refuse
33%inclusion1 decks3 decks
10%synergy
Heroic Intervention
33%inclusion1 decks3 decks
3%synergy
Growth Spiral
33%inclusion1 decks3 decks
-11%synergy
Beast Within
33%inclusion1 decks3 decks
-17%synergy
Strix Serenade
33%inclusion1 decks3 decks
30%synergy
Saw It Coming
33%inclusion1 decks3 decks
32%synergy
Force of Will
33%inclusion1 decks3 decks
23%synergy
Cryptic Command
33%inclusion1 decks3 decks
32%synergy
Arcane Denial
33%inclusion1 decks3 decks
11%synergy
Force of Negation
33%inclusion1 decks3 decks
25%synergy
Sink into Stupor
33%inclusion1 decks3 decks
22%synergy
Double Major
33%inclusion1 decks3 decks
25%synergy
Pact of Negation
33%inclusion1 decks3 decks
26%synergy
Sorceries
Farseek
100%inclusion3 decks3 decks
75%synergy
Kodama's Reach
67%inclusion2 decks3 decks
31%synergy
Three Visits
67%inclusion2 decks3 decks
43%synergy
Nature's Lore
67%inclusion2 decks3 decks
36%synergy
Cultivate
67%inclusion2 decks3 decks
20%synergy
Green Sun's Zenith
33%inclusion1 decks3 decks
24%synergy
Relearn
33%inclusion1 decks3 decks
33%synergy
Flare of Cultivation
33%inclusion1 decks3 decks
31%synergy
Quantum Misalignment
33%inclusion1 decks3 decks
30%synergy
Pest Infestation
33%inclusion1 decks3 decks
32%synergy
Preposterous Proportions
33%inclusion1 decks3 decks
32%synergy
Into the North
33%inclusion1 decks3 decks
32%synergy
Skyshroud Claim
33%inclusion1 decks3 decks
24%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
28%synergy
Lórien Revealed
33%inclusion1 decks3 decks
30%synergy
Finale of Devastation
33%inclusion1 decks3 decks
22%synergy
Rampant Growth
33%inclusion1 decks3 decks
-7%synergy
Natural Order
33%inclusion1 decks3 decks
32%synergy
Explosive Vegetation
33%inclusion1 decks3 decks
28%synergy
Irenicus's Vile Duplication
33%inclusion1 decks3 decks
27%synergy
Whelming Wave
33%inclusion1 decks3 decks
22%synergy
Regrowth
33%inclusion1 decks3 decks
30%synergy
Rite of Replication
33%inclusion1 decks3 decks
26%synergy
Utility Artifacts
Swiftfoot Boots
67%inclusion2 decks3 decks
41%synergy
Static Orb
33%inclusion1 decks3 decks
33%synergy
Winter Orb
33%inclusion1 decks3 decks
33%synergy
The Great Henge
33%inclusion1 decks3 decks
24%synergy
Helm of the Host
33%inclusion1 decks3 decks
28%synergy
Akroma's Memorial
33%inclusion1 decks3 decks
32%synergy
Sapphire Medallion
33%inclusion1 decks3 decks
30%synergy
Enchantments
Doubling Season
100%inclusion3 decks3 decks
90%synergy
Parallel Lives
100%inclusion3 decks3 decks
94%synergy
Exploration
67%inclusion2 decks3 decks
53%synergy
Mystic Remora
67%inclusion2 decks3 decks
51%synergy
Up the Beanstalk
33%inclusion1 decks3 decks
29%synergy
Beastmaster Ascension
33%inclusion1 decks3 decks
30%synergy
Carpet of Flowers
33%inclusion1 decks3 decks
31%synergy
Tribute to the World Tree
33%inclusion1 decks3 decks
27%synergy
Burgeoning
33%inclusion1 decks3 decks
26%synergy
Sylvan Library
33%inclusion1 decks3 decks
24%synergy
Opposition
33%inclusion1 decks3 decks
33%synergy
Planeswalkers
Oko, Thief of Crowns
100%inclusion3 decks3 decks
93%synergy
Narset, Parter of Veils
33%inclusion1 decks3 decks
32%synergy
Utility Lands
Yavimaya, Cradle of Growth
67%inclusion2 decks3 decks
45%synergy
Boseiju, Who Endures
67%inclusion2 decks3 decks
44%synergy
Reliquary Tower
67%inclusion2 decks3 decks
17%synergy
Otawara, Soaring City
67%inclusion2 decks3 decks
48%synergy
Miren, the Moaning Well
33%inclusion1 decks3 decks
33%synergy
Witch's Clinic
33%inclusion1 decks3 decks
33%synergy
Mystic Sanctuary
33%inclusion1 decks3 decks
21%synergy
Rivendell
33%inclusion1 decks3 decks
28%synergy
Gaea's Cradle
33%inclusion1 decks3 decks
26%synergy
Command Beacon
33%inclusion1 decks3 decks
29%synergy
Field of the Dead
33%inclusion1 decks3 decks
27%synergy
Oran-Rief, the Vastwood
33%inclusion1 decks3 decks
29%synergy
Mana Artifacts
Sol Ring
100%inclusion3 decks3 decks
19%synergy
Arcane Signet
67%inclusion2 decks3 decks
4%synergy
Herd Heirloom
50%inclusion1 decks2 decks
47%synergy
Mana Vault
33%inclusion1 decks3 decks
27%synergy
Talisman of Curiosity
33%inclusion1 decks3 decks
12%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
15%synergy
Misty Rainforest
67%inclusion2 decks3 decks
35%synergy
Breeding Pool
67%inclusion2 decks3 decks
20%synergy
Yavimaya Coast
67%inclusion2 decks3 decks
14%synergy
Barkchannel Pathway
67%inclusion2 decks3 decks
46%synergy
Snow-Covered Island
67%inclusion2 decks3 decks
60%synergy
Snow-Covered Forest
67%inclusion2 decks3 decks
60%synergy
Tropical Island
67%inclusion2 decks3 decks
52%synergy
Island
67%inclusion2 decks3 decks
-29%synergy
Forest
67%inclusion2 decks3 decks
-29%synergy
Willowrush Verge
67%inclusion2 decks3 decks
50%synergy
Rejuvenating Springs
67%inclusion2 decks3 decks
23%synergy
Prismatic Vista
33%inclusion1 decks3 decks
26%synergy
Fabled Passage
33%inclusion1 decks3 decks
19%synergy
Disciple of Freyalise
33%inclusion1 decks3 decks
29%synergy
Vineglimmer Snarl
33%inclusion1 decks3 decks
-5%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
28%synergy
Tangled Islet
33%inclusion1 decks3 decks
17%synergy
Verdant Catacombs
33%inclusion1 decks3 decks
24%synergy
Reflecting Pool
33%inclusion1 decks3 decks
30%synergy
Cavern of Souls
33%inclusion1 decks3 decks
27%synergy
Talon Gates of Madara
33%inclusion1 decks3 decks
26%synergy
Rimewood Falls
33%inclusion1 decks3 decks
24%synergy
Sink into Stupor
33%inclusion1 decks3 decks
22%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
29%synergy
Hedge Maze
33%inclusion1 decks3 decks
14%synergy
Forbidden Orchard
33%inclusion1 decks3 decks
32%synergy
Flooded Grove
33%inclusion1 decks3 decks
-8%synergy
Dreamroot Cascade
33%inclusion1 decks3 decks
-9%synergy
Hinterland Harbor
33%inclusion1 decks3 decks
-26%synergy
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