Koma, Cosmos Serpent (Commander) - Expensive Lands Matter

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #298
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
Ancient Tomb
67%inclusion2 decks3 decks
57%synergy
Consecrated Sphinx
67%inclusion2 decks3 decks
58%synergy
Force of Will
67%inclusion2 decks3 decks
57%synergy
Worldly Tutor
67%inclusion2 decks3 decks
51%synergy
Mystical Tutor
67%inclusion2 decks3 decks
57%synergy
Crop Rotation
33%inclusion1 decks3 decks
20%synergy
The One Ring
33%inclusion1 decks3 decks
26%synergy
Creatures
Aesi, Tyrant of Gyre Strait
100%inclusion3 decks3 decks
83%synergy
Spark Double
100%inclusion3 decks3 decks
90%synergy
Sakashima of a Thousand Faces
100%inclusion3 decks3 decks
95%synergy
Sakashima the Impostor
100%inclusion3 decks3 decks
97%synergy
Birds of Paradise
100%inclusion3 decks3 decks
72%synergy
Bloomvine Regent
100%inclusion1 decks1 decks
99%synergy
Spawning Kraken
100%inclusion3 decks3 decks
93%synergy
Adrix and Nev, Twincasters
67%inclusion2 decks3 decks
58%synergy
Junk Winder
67%inclusion2 decks3 decks
60%synergy
Craterhoof Behemoth
67%inclusion2 decks3 decks
57%synergy
Koma, World-Eater
50%inclusion1 decks2 decks
37%synergy
Disciple of Freyalise
50%inclusion1 decks2 decks
45%synergy
Enduring Vitality
50%inclusion1 decks2 decks
43%synergy
Overlord of the Hauntwoods
50%inclusion1 decks2 decks
47%synergy
Fanatic of Rhonas
50%inclusion1 decks2 decks
44%synergy
Bonny Pall, Clearcutter
50%inclusion1 decks2 decks
44%synergy
Tatyova, Benthic Druid
33%inclusion1 decks3 decks
2%synergy
Jaheira, Friend of the Forest
33%inclusion1 decks3 decks
29%synergy
Curiosity Crafter
33%inclusion1 decks3 decks
30%synergy
Collector Ouphe
33%inclusion1 decks3 decks
32%synergy
Garruk's Packleader
33%inclusion1 decks3 decks
31%synergy
Ashaya, Soul of the Wild
33%inclusion1 decks3 decks
24%synergy
Eternal Witness
33%inclusion1 decks3 decks
12%synergy
Phyrexian Metamorph
33%inclusion1 decks3 decks
24%synergy
Kamahl, Heart of Krosa
33%inclusion1 decks3 decks
32%synergy
Nissa, Vastwood Seer
33%inclusion1 decks3 decks
33%synergy
Seedborn Muse
33%inclusion1 decks3 decks
18%synergy
Avenger of Zendikar
33%inclusion1 decks3 decks
15%synergy
Azusa, Lost but Seeking
33%inclusion1 decks3 decks
19%synergy
Oracle of Mul Daya
33%inclusion1 decks3 decks
25%synergy
Kozilek, Butcher of Truth
33%inclusion1 decks3 decks
31%synergy
Lotus Cobra
33%inclusion1 decks3 decks
20%synergy
Esix, Fractal Bloom
33%inclusion1 decks3 decks
29%synergy
Toski, Bearer of Secrets
33%inclusion1 decks3 decks
30%synergy
Faerie Mastermind
33%inclusion1 decks3 decks
29%synergy
Tireless Provisioner
33%inclusion1 decks3 decks
18%synergy
Ulamog, the Infinite Gyre
33%inclusion1 decks3 decks
31%synergy
Ohran Frostfang
33%inclusion1 decks3 decks
30%synergy
Phantasmal Image
33%inclusion1 decks3 decks
30%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
29%synergy
Arixmethes, Slumbering Isle
33%inclusion1 decks3 decks
20%synergy
Serpent of Yawning Depths
33%inclusion1 decks3 decks
27%synergy
Hullbreaker Horror
33%inclusion1 decks3 decks
16%synergy
Clever Impersonator
33%inclusion1 decks3 decks
29%synergy
Cankerbloom
33%inclusion1 decks3 decks
30%synergy
Fyndhorn Elves
33%inclusion1 decks3 decks
18%synergy
Sakura-Tribe Elder
33%inclusion1 decks3 decks
14%synergy
Uro, Titan of Nature's Wrath
33%inclusion1 decks3 decks
24%synergy
Delighted Halfling
33%inclusion1 decks3 decks
22%synergy
Instants
Mana Drain
100%inclusion3 decks3 decks
84%synergy
Pongify
67%inclusion2 decks3 decks
42%synergy
Growth Spiral
67%inclusion2 decks3 decks
22%synergy
Force of Negation
67%inclusion2 decks3 decks
58%synergy
Counterspell
67%inclusion2 decks3 decks
17%synergy
Double Major
67%inclusion2 decks3 decks
58%synergy
Strix Serenade
50%inclusion1 decks2 decks
46%synergy
Sink into Stupor
50%inclusion1 decks2 decks
39%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
Mystic Reflection
33%inclusion1 decks3 decks
31%synergy
Second Harvest
33%inclusion1 decks3 decks
27%synergy
Beast Within
33%inclusion1 decks3 decks
-17%synergy
Swan Song
33%inclusion1 decks3 decks
14%synergy
Saw It Coming
33%inclusion1 decks3 decks
32%synergy
Cryptic Command
33%inclusion1 decks3 decks
32%synergy
Arcane Denial
33%inclusion1 decks3 decks
11%synergy
Pact of Negation
33%inclusion1 decks3 decks
26%synergy
Sorceries
Kodama's Reach
100%inclusion3 decks3 decks
64%synergy
Three Visits
100%inclusion3 decks3 decks
77%synergy
Farseek
100%inclusion3 decks3 decks
75%synergy
Nature's Lore
100%inclusion3 decks3 decks
70%synergy
Cultivate
100%inclusion3 decks3 decks
53%synergy
Rampant Growth
67%inclusion2 decks3 decks
26%synergy
Rite of Replication
67%inclusion2 decks3 decks
59%synergy
Flare of Cultivation
50%inclusion1 decks2 decks
48%synergy
Green Sun's Zenith
33%inclusion1 decks3 decks
25%synergy
Relearn
33%inclusion1 decks3 decks
33%synergy
Pest Infestation
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
Parallel Evolution
33%inclusion1 decks3 decks
33%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
Utility Artifacts
Swiftfoot Boots
67%inclusion2 decks3 decks
41%synergy
Static Orb
33%inclusion1 decks3 decks
33%synergy
Sensei's Divining Top
33%inclusion1 decks3 decks
30%synergy
Winter Orb
33%inclusion1 decks3 decks
33%synergy
Coat of Arms
33%inclusion1 decks3 decks
32%synergy
The Great Henge
33%inclusion1 decks3 decks
24%synergy
Helm of the Host
33%inclusion1 decks3 decks
28%synergy
Phyrexian Altar
33%inclusion1 decks3 decks
33%synergy
Akroma's Memorial
33%inclusion1 decks3 decks
32%synergy
Enchantments
Doubling Season
100%inclusion3 decks3 decks
90%synergy
Parallel Lives
100%inclusion3 decks3 decks
94%synergy
Mystic Remora
67%inclusion2 decks3 decks
51%synergy
Sylvan Library
67%inclusion2 decks3 decks
57%synergy
Utopia Sprawl
33%inclusion1 decks3 decks
27%synergy
Cryptolith Rite
33%inclusion1 decks3 decks
30%synergy
Up the Beanstalk
33%inclusion1 decks3 decks
29%synergy
Exploration
33%inclusion1 decks3 decks
20%synergy
Carpet of Flowers
33%inclusion1 decks3 decks
31%synergy
Burgeoning
33%inclusion1 decks3 decks
26%synergy
Opposition
33%inclusion1 decks3 decks
33%synergy
Primal Vigor
33%inclusion1 decks3 decks
30%synergy
Elemental Bond
33%inclusion1 decks3 decks
28%synergy
Paradox Haze
33%inclusion1 decks3 decks
33%synergy
Planeswalkers
Oko, Thief of Crowns
67%inclusion2 decks3 decks
60%synergy
Narset, Parter of Veils
33%inclusion1 decks3 decks
32%synergy
Utility Lands
Command Beacon
67%inclusion2 decks3 decks
63%synergy
Yavimaya, Cradle of Growth
67%inclusion2 decks3 decks
45%synergy
Boseiju, Who Endures
67%inclusion2 decks3 decks
44%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
Field of the Dead
33%inclusion1 decks3 decks
27%synergy
Reliquary Tower
33%inclusion1 decks3 decks
-17%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
Talisman of Curiosity
67%inclusion2 decks3 decks
45%synergy
Mana Crypt
33%inclusion1 decks3 decks
30%synergy
Mox Amber
33%inclusion1 decks3 decks
27%synergy
Fellwar Stone
33%inclusion1 decks3 decks
24%synergy
Thought Vessel
33%inclusion1 decks3 decks
13%synergy
Lands
Command Tower
100%inclusion3 decks3 decks
15%synergy
Misty Rainforest
100%inclusion3 decks3 decks
69%synergy
Breeding Pool
100%inclusion3 decks3 decks
54%synergy
Tropical Island
100%inclusion3 decks3 decks
86%synergy
Snow-Covered Island
67%inclusion2 decks3 decks
60%synergy
Snow-Covered Forest
67%inclusion2 decks3 decks
60%synergy
Cavern of Souls
67%inclusion2 decks3 decks
61%synergy
Island
67%inclusion2 decks3 decks
-29%synergy
Forest
67%inclusion2 decks3 decks
-29%synergy
Rejuvenating Springs
67%inclusion2 decks3 decks
23%synergy
Flooded Grove
67%inclusion2 decks3 decks
26%synergy
Dreamroot Cascade
67%inclusion2 decks3 decks
25%synergy
Disciple of Freyalise
50%inclusion1 decks2 decks
45%synergy
Talon Gates of Madara
50%inclusion1 decks2 decks
42%synergy
Sink into Stupor
50%inclusion1 decks2 decks
39%synergy
Willowrush Verge
50%inclusion1 decks2 decks
34%synergy
Hedge Maze
50%inclusion1 decks2 decks
30%synergy
Prismatic Vista
33%inclusion1 decks3 decks
26%synergy
Fabled Passage
33%inclusion1 decks3 decks
19%synergy
Yavimaya Coast
33%inclusion1 decks3 decks
-19%synergy
Sea Gate Restoration
33%inclusion1 decks3 decks
28%synergy
Tangled Islet
33%inclusion1 decks3 decks
17%synergy
Barkchannel Pathway
33%inclusion1 decks3 decks
13%synergy
Verdant Catacombs
33%inclusion1 decks3 decks
24%synergy
Reflecting Pool
33%inclusion1 decks3 decks
30%synergy
Waterlogged Grove
33%inclusion1 decks3 decks
13%synergy
Rimewood Falls
33%inclusion1 decks3 decks
24%synergy
Glasspool Mimic
33%inclusion1 decks3 decks
29%synergy
Scalding Tarn
33%inclusion1 decks3 decks
23%synergy
Mana Confluence
33%inclusion1 decks3 decks
28%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