Koma, Cosmos Serpent (Commander) - cEDH Stax

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #296
2decks
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.
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The One Ring
100%inclusion2 decks2 decks
92%synergy
Mana Vault
100%inclusion2 decks2 decks
94%synergy
Cyclonic Rift
100%inclusion2 decks2 decks
74%synergy
Ancient Tomb
50%inclusion1 decks2 decks
41%synergy
Crop Rotation
50%inclusion1 decks2 decks
37%synergy
Seedborn Muse
50%inclusion1 decks2 decks
34%synergy
Rhystic Study
50%inclusion1 decks2 decks
28%synergy
Gaea's Cradle
50%inclusion1 decks2 decks
43%synergy
Natural Order
50%inclusion1 decks2 decks
49%synergy
Fierce Guardianship
50%inclusion1 decks2 decks
33%synergy
Creatures
Adrix and Nev, Twincasters
100%inclusion2 decks2 decks
92%synergy
Junk Winder
100%inclusion2 decks2 decks
93%synergy
Trophy Mage
50%inclusion1 decks2 decks
45%synergy
Jaheira, Friend of the Forest
50%inclusion1 decks2 decks
46%synergy
Peregrine Drake
50%inclusion1 decks2 decks
46%synergy
Garruk's Packleader
50%inclusion1 decks2 decks
48%synergy
Octomancer
50%inclusion1 decks2 decks
45%synergy
Koma, World-Eater
50%inclusion1 decks2 decks
37%synergy
Tishana's Tidebinder
50%inclusion1 decks2 decks
44%synergy
Phyrexian Metamorph
50%inclusion1 decks2 decks
41%synergy
Inga and Esika
50%inclusion1 decks2 decks
47%synergy
Enduring Vitality
50%inclusion1 decks2 decks
43%synergy
Roaming Throne
50%inclusion1 decks2 decks
42%synergy
Ornithopter of Paradise
50%inclusion1 decks2 decks
45%synergy
Walking Ballista
50%inclusion1 decks2 decks
46%synergy
Saryth, the Viper's Fang
50%inclusion1 decks2 decks
48%synergy
Murkfiend Liege
50%inclusion1 decks2 decks
35%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion1 decks2 decks
33%synergy
Archetype of Endurance
50%inclusion1 decks2 decks
49%synergy
Progenitor Mimic
50%inclusion1 decks2 decks
45%synergy
Lotus Cobra
50%inclusion1 decks2 decks
36%synergy
Nyxbloom Ancient
50%inclusion1 decks2 decks
43%synergy
Craterhoof Behemoth
50%inclusion1 decks2 decks
41%synergy
Sakashima of a Thousand Faces
50%inclusion1 decks2 decks
45%synergy
Augmenter Pugilist
50%inclusion1 decks2 decks
48%synergy
Enduring Curiosity
50%inclusion1 decks2 decks
47%synergy
Hulking Raptor
50%inclusion1 decks2 decks
50%synergy
Archetype of Imagination
50%inclusion1 decks2 decks
46%synergy
Sakashima the Impostor
50%inclusion1 decks2 decks
47%synergy
Tireless Provisioner
50%inclusion1 decks2 decks
35%synergy
Zopandrel, Hunger Dominus
50%inclusion1 decks2 decks
48%synergy
Ohran Frostfang
50%inclusion1 decks2 decks
46%synergy
Glasspool Mimic
50%inclusion1 decks2 decks
46%synergy
Tribute Mage
50%inclusion1 decks2 decks
48%synergy
Birds of Paradise
50%inclusion1 decks2 decks
22%synergy
Hullbreaker Horror
50%inclusion1 decks2 decks
32%synergy
Cankerbloom
50%inclusion1 decks2 decks
47%synergy
Thorn Mammoth
50%inclusion1 decks2 decks
48%synergy
Sakura-Tribe Elder
50%inclusion1 decks2 decks
31%synergy
Deadeye Navigator
50%inclusion1 decks2 decks
47%synergy
Jin-Gitaxias, Progress Tyrant
50%inclusion1 decks2 decks
48%synergy
Trinket Mage
50%inclusion1 decks2 decks
48%synergy
Instants
Heroic Intervention
100%inclusion2 decks2 decks
70%synergy
Trickbind
50%inclusion1 decks2 decks
50%synergy
Return of the Wildspeaker
50%inclusion1 decks2 decks
40%synergy
Archdruid's Charm
50%inclusion1 decks2 decks
44%synergy
Tyvar's Stand
50%inclusion1 decks2 decks
47%synergy
Mystic Reflection
50%inclusion1 decks2 decks
47%synergy
Smuggler's Surprise
50%inclusion1 decks2 decks
48%synergy
Second Harvest
50%inclusion1 decks2 decks
44%synergy
Chord of Calling
50%inclusion1 decks2 decks
42%synergy
Mana Drain
50%inclusion1 decks2 decks
34%synergy
Beast Within
50%inclusion1 decks2 decks
0%synergy
Resculpt
50%inclusion1 decks2 decks
44%synergy
Simic Charm
50%inclusion1 decks2 decks
42%synergy
Counterspell
50%inclusion1 decks2 decks
0%synergy
Worldly Tutor
50%inclusion1 decks2 decks
35%synergy
Double Major
50%inclusion1 decks2 decks
42%synergy
Pact of Negation
50%inclusion1 decks2 decks
43%synergy
Mystical Tutor
50%inclusion1 decks2 decks
41%synergy
Sorceries
Rampant Growth
100%inclusion2 decks2 decks
59%synergy
Kodama's Reach
50%inclusion1 decks2 decks
14%synergy
Quantum Misalignment
50%inclusion1 decks2 decks
47%synergy
Skyshroud Claim
50%inclusion1 decks2 decks
41%synergy
Fabricate
50%inclusion1 decks2 decks
43%synergy
Farseek
50%inclusion1 decks2 decks
25%synergy
Curse of the Swine
50%inclusion1 decks2 decks
39%synergy
Finale of Devastation
50%inclusion1 decks2 decks
38%synergy
Nature's Lore
50%inclusion1 decks2 decks
20%synergy
Cultivate
50%inclusion1 decks2 decks
3%synergy
Vastwood Surge
50%inclusion1 decks2 decks
49%synergy
Rishkar's Expertise
50%inclusion1 decks2 decks
42%synergy
Irenicus's Vile Duplication
50%inclusion1 decks2 decks
44%synergy
Genesis Wave
50%inclusion1 decks2 decks
46%synergy
Solve the Equation
50%inclusion1 decks2 decks
48%synergy
Rite of Replication
50%inclusion1 decks2 decks
43%synergy
Utility Artifacts
Winter Orb
100%inclusion2 decks2 decks
100%synergy
Static Orb
50%inclusion1 decks2 decks
50%synergy
Manifold Key
50%inclusion1 decks2 decks
49%synergy
Mirror Box
50%inclusion1 decks2 decks
47%synergy
Coat of Arms
50%inclusion1 decks2 decks
49%synergy
Skullclamp
50%inclusion1 decks2 decks
49%synergy
Helm of the Host
50%inclusion1 decks2 decks
45%synergy
Winter Moon
50%inclusion1 decks2 decks
50%synergy
Lightning Greaves
50%inclusion1 decks2 decks
28%synergy
Emerald Medallion
50%inclusion1 decks2 decks
47%synergy
Staff of Domination
50%inclusion1 decks2 decks
48%synergy
Isochron Scepter
50%inclusion1 decks2 decks
48%synergy
Sapphire Medallion
50%inclusion1 decks2 decks
47%synergy
Enchantments
Parallel Lives
100%inclusion2 decks2 decks
94%synergy
Moonlit Meditation
100%inclusion1 decks1 decks
99%synergy
Doubling Season
50%inclusion1 decks2 decks
40%synergy
Cryptolith Rite
50%inclusion1 decks2 decks
47%synergy
Exploration
50%inclusion1 decks2 decks
37%synergy
Verity Circle
50%inclusion1 decks2 decks
49%synergy
Pattern of Rebirth
50%inclusion1 decks2 decks
50%synergy
Tribute to the World Tree
50%inclusion1 decks2 decks
44%synergy
Unnatural Growth
50%inclusion1 decks2 decks
47%synergy
Song of the Dryads
50%inclusion1 decks2 decks
48%synergy
Burgeoning
50%inclusion1 decks2 decks
43%synergy
Asceticism
50%inclusion1 decks2 decks
47%synergy
Primal Vigor
50%inclusion1 decks2 decks
47%synergy
Elemental Bond
50%inclusion1 decks2 decks
44%synergy
Defense of the Heart
50%inclusion1 decks2 decks
48%synergy
Battles
Invasion of Segovia
50%inclusion1 decks2 decks
49%synergy
Utility Lands
Evendo, Waking Haven
100%inclusion1 decks1 decks
95%synergy
Urza's Saga
50%inclusion1 decks2 decks
44%synergy
Yavimaya, Cradle of Growth
50%inclusion1 decks2 decks
28%synergy
Boseiju, Who Endures
50%inclusion1 decks2 decks
28%synergy
Three Tree City
50%inclusion1 decks2 decks
45%synergy
Otawara, Soaring City
50%inclusion1 decks2 decks
31%synergy
Rogue's Passage
50%inclusion1 decks2 decks
28%synergy
Mana Artifacts
Arcane Signet
100%inclusion2 decks2 decks
37%synergy
Sol Ring
100%inclusion2 decks2 decks
19%synergy
Talisman of Curiosity
100%inclusion2 decks2 decks
79%synergy
Moss Diamond
50%inclusion1 decks2 decks
49%synergy
Sky Diamond
50%inclusion1 decks2 decks
49%synergy
Simic Signet
50%inclusion1 decks2 decks
18%synergy
Lands
Prismatic Vista
100%inclusion2 decks2 decks
93%synergy
Command Tower
100%inclusion2 decks2 decks
15%synergy
Misty Rainforest
100%inclusion2 decks2 decks
69%synergy
Fabled Passage
100%inclusion2 decks2 decks
86%synergy
Breeding Pool
100%inclusion2 decks2 decks
55%synergy
Yavimaya Coast
100%inclusion2 decks2 decks
48%synergy
Island
100%inclusion2 decks2 decks
5%synergy
Forest
100%inclusion2 decks2 decks
5%synergy
Rejuvenating Springs
100%inclusion2 decks2 decks
56%synergy
Windswept Heath
50%inclusion1 decks2 decks
40%synergy
Barkchannel Pathway
50%inclusion1 decks2 decks
30%synergy
Verdant Catacombs
50%inclusion1 decks2 decks
40%synergy
Waterlogged Grove
50%inclusion1 decks2 decks
29%synergy
Glasspool Mimic
50%inclusion1 decks2 decks
46%synergy
Dreamroot Cascade
50%inclusion1 decks2 decks
8%synergy
Polluted Delta
50%inclusion1 decks2 decks
40%synergy
Flooded Strand
50%inclusion1 decks2 decks
39%synergy
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