Koma, Cosmos Serpent (Commander) - Expensive Clones

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #295
29decks
As CommanderAs CardAverage DeckDecks
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Budget
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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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Sakashima of a Thousand Faces
100%inclusion29 decks29 decks
95%synergy
Sakashima the Impostor
93%inclusion27 decks29 decks
90%synergy
Parallel Lives
93%inclusion27 decks29 decks
87%synergy
Spark Double
90%inclusion26 decks29 decks
80%synergy
Adrix and Nev, Twincasters
86%inclusion25 decks29 decks
78%synergy
Doubling Season
86%inclusion25 decks29 decks
77%synergy
Elemental Bond
76%inclusion22 decks29 decks
70%synergy
Double Major
72%inclusion21 decks29 decks
64%synergy
Irenicus's Vile Duplication
69%inclusion20 decks29 decks
63%synergy
Helm of the Host
66%inclusion19 decks29 decks
60%synergy
Top Cards
Cultivate
76%inclusion22 decks29 decks
29%synergy
Kodama's Reach
72%inclusion21 decks29 decks
36%synergy
Heroic Intervention
72%inclusion21 decks29 decks
42%synergy
Mana Drain
72%inclusion21 decks29 decks
57%synergy
Three Visits
66%inclusion19 decks29 decks
42%synergy
Farseek
66%inclusion19 decks29 decks
41%synergy
Aesi, Tyrant of Gyre Strait
66%inclusion19 decks29 decks
48%synergy
Birds of Paradise
66%inclusion19 decks29 decks
38%synergy
Second Harvest
62%inclusion18 decks29 decks
56%synergy
Nature's Lore
62%inclusion18 decks29 decks
32%synergy
Game Changers
Gaea's Cradle
97%inclusion28 decks29 decks
89%synergy
Cyclonic Rift
83%inclusion24 decks29 decks
57%synergy
Rhystic Study
79%inclusion23 decks29 decks
57%synergy
Fierce Guardianship
66%inclusion19 decks29 decks
48%synergy
Ancient Tomb
55%inclusion16 decks29 decks
46%synergy
Worldly Tutor
52%inclusion15 decks29 decks
36%synergy
Force of Will
48%inclusion14 decks29 decks
38%synergy
Seedborn Muse
45%inclusion13 decks29 decks
29%synergy
Mystical Tutor
34%inclusion10 decks29 decks
25%synergy
Consecrated Sphinx
31%inclusion9 decks29 decks
22%synergy
Creatures
Serpent of Yawning Depths
59%inclusion17 decks29 decks
52%synergy
Junk Winder
55%inclusion16 decks29 decks
49%synergy
Fyndhorn Elves
55%inclusion16 decks29 decks
39%synergy
Llanowar Elves
52%inclusion15 decks29 decks
24%synergy
Clever Impersonator
52%inclusion15 decks29 decks
47%synergy
Phyrexian Metamorph
48%inclusion14 decks29 decks
40%synergy
Glasspool Mimic
48%inclusion14 decks29 decks
44%synergy
Spawning Kraken
48%inclusion14 decks29 decks
41%synergy
Roaming Throne
45%inclusion13 decks29 decks
37%synergy
Murkfiend Liege
45%inclusion13 decks29 decks
30%synergy
Progenitor Mimic
45%inclusion13 decks29 decks
40%synergy
Craterhoof Behemoth
45%inclusion13 decks29 decks
35%synergy
Koma, World-Eater
43%inclusion6 decks14 decks
30%synergy
Clone
38%inclusion11 decks29 decks
37%synergy
Auton Soldier
38%inclusion11 decks29 decks
35%synergy
Mirror Image
34%inclusion10 decks29 decks
33%synergy
Esix, Fractal Bloom
34%inclusion10 decks29 decks
31%synergy
Stunt Double
34%inclusion10 decks29 decks
33%synergy
Phantasmal Image
34%inclusion10 decks29 decks
31%synergy
Eternal Witness
31%inclusion9 decks29 decks
10%synergy
Ohran Frostfang
31%inclusion9 decks29 decks
27%synergy
Elvish Mystic
28%inclusion8 decks29 decks
4%synergy
Sakura-Tribe Elder
28%inclusion8 decks29 decks
8%synergy
Undercover Operative
24%inclusion7 decks29 decks
23%synergy
Octomancer
22%inclusion4 decks18 decks
17%synergy
Fanatic of Rhonas
19%inclusion4 decks21 decks
13%synergy
Enduring Vitality
18%inclusion3 decks17 decks
10%synergy
Pirated Copy
17%inclusion5 decks29 decks
17%synergy
Jaheira, Friend of the Forest
17%inclusion5 decks29 decks
13%synergy
Garruk's Packleader
17%inclusion5 decks29 decks
15%synergy
Mirrorhall Mimic
17%inclusion5 decks29 decks
16%synergy
Altered Ego
17%inclusion5 decks29 decks
15%synergy
Hullbreaker Horror
17%inclusion5 decks29 decks
0%synergy
Vizier of Many Faces
14%inclusion4 decks29 decks
13%synergy
Augmenter Pugilist
14%inclusion4 decks29 decks
12%synergy
Archetype of Imagination
14%inclusion4 decks29 decks
9%synergy
Tireless Provisioner
14%inclusion4 decks29 decks
-1%synergy
Sakashima's Student
14%inclusion4 decks29 decks
14%synergy
Cryptoplasm
14%inclusion4 decks29 decks
14%synergy
Uro, Titan of Nature's Wrath
14%inclusion4 decks29 decks
4%synergy
Enduring Curiosity
12%inclusion2 decks17 decks
8%synergy
Skyserpent Seeker
11%inclusion1 decks9 decks
8%synergy
Collector Ouphe
10%inclusion3 decks29 decks
9%synergy
Selvala, Heart of the Wilds
10%inclusion3 decks29 decks
7%synergy
Moritte of the Frost
10%inclusion3 decks29 decks
9%synergy
Toski, Bearer of Secrets
10%inclusion3 decks29 decks
7%synergy
Arixmethes, Slumbering Isle
10%inclusion3 decks29 decks
-3%synergy
Vesuvan Shapeshifter
10%inclusion3 decks29 decks
9%synergy
Tatyova, Benthic Druid
6.9%inclusion2 decks29 decks
-24%synergy
Curiosity Crafter
6.9%inclusion2 decks29 decks
3%synergy
Instants
Beast Within
55%inclusion16 decks29 decks
5%synergy
Counterspell
52%inclusion15 decks29 decks
2%synergy
Growth Spiral
45%inclusion13 decks29 decks
0%synergy
Swan Song
41%inclusion12 decks29 decks
22%synergy
Cackling Counterpart
38%inclusion11 decks29 decks
35%synergy
An Offer You Can't Refuse
31%inclusion9 decks29 decks
8%synergy
Mystic Reflection
28%inclusion8 decks29 decks
25%synergy
Chord of Calling
28%inclusion8 decks29 decks
20%synergy
Crop Rotation
24%inclusion7 decks29 decks
11%synergy
Negate
21%inclusion6 decks29 decks
-5%synergy
Nature's Claim
21%inclusion6 decks29 decks
11%synergy
Arcane Denial
21%inclusion6 decks29 decks
-2%synergy
Pact of Negation
21%inclusion6 decks29 decks
13%synergy
Spider-Sense
20%inclusion1 decks5 decks
19%synergy
Archdruid's Charm
19%inclusion5 decks26 decks
13%synergy
Pongify
17%inclusion5 decks29 decks
-8%synergy
Return of the Wildspeaker
17%inclusion5 decks29 decks
7%synergy
Noxious Revival
17%inclusion5 decks29 decks
11%synergy
Force of Negation
17%inclusion5 decks29 decks
9%synergy
Krosan Grip
14%inclusion4 decks29 decks
6%synergy
Tyvar's Stand
10%inclusion3 decks29 decks
8%synergy
Sublime Epiphany
10%inclusion3 decks29 decks
8%synergy
Force of Vigor
10%inclusion3 decks29 decks
6%synergy
Disallow
10%inclusion3 decks29 decks
9%synergy
Fated Infatuation
10%inclusion3 decks29 decks
10%synergy
Simic Charm
10%inclusion3 decks29 decks
2%synergy
Rapid Hybridization
6.9%inclusion2 decks29 decks
-19%synergy
Muddle the Mixture
6.9%inclusion2 decks29 decks
2%synergy
Mental Misstep
6.9%inclusion2 decks29 decks
1%synergy
Legolas's Quick Reflexes
6.9%inclusion2 decks29 decks
4%synergy
Perplexing Test
6.9%inclusion2 decks29 decks
2%synergy
Flusterstorm
6.9%inclusion2 decks29 decks
0%synergy
Cryptic Command
6.9%inclusion2 decks29 decks
5%synergy
Rewind
6.9%inclusion2 decks29 decks
4%synergy
Tamiyo's Safekeeping
6.9%inclusion2 decks29 decks
1%synergy
Voidslime
6.9%inclusion2 decks29 decks
2%synergy
Narset's Reversal
6.9%inclusion2 decks29 decks
5%synergy
Long River's Pull
5.3%inclusion1 decks19 decks
2%synergy
Sorceries
Rampant Growth
62%inclusion18 decks29 decks
21%synergy
Whelming Wave
55%inclusion16 decks29 decks
44%synergy
Rite of Replication
55%inclusion16 decks29 decks
48%synergy
Quantum Misalignment
52%inclusion15 decks29 decks
49%synergy
Skyshroud Claim
52%inclusion15 decks29 decks
43%synergy
Finale of Devastation
41%inclusion12 decks29 decks
30%synergy
Quasiduplicate
38%inclusion11 decks29 decks
35%synergy
Doppelgang
23%inclusion6 decks26 decks
17%synergy
Croaking Counterpart
17%inclusion5 decks29 decks
13%synergy
Sea Gate Restoration
17%inclusion5 decks29 decks
12%synergy
Bala Ged Recovery
17%inclusion5 decks29 decks
7%synergy
Regrowth
17%inclusion5 decks29 decks
13%synergy
Green Sun's Zenith
14%inclusion4 decks29 decks
5%synergy
Replication Technique
14%inclusion4 decks29 decks
11%synergy
Clone Legion
10%inclusion3 decks29 decks
9%synergy
Explosive Vegetation
10%inclusion3 decks29 decks
5%synergy
Shamanic Revelation
10%inclusion3 decks29 decks
5%synergy
Overwhelming Stampede
10%inclusion3 decks29 decks
-2%synergy
Flare of Cultivation
8.0%inclusion2 decks25 decks
6%synergy
Circuitous Route
6.9%inclusion2 decks29 decks
5%synergy
Triumph of the Hordes
6.9%inclusion2 decks29 decks
4%synergy
Fabricate
6.9%inclusion2 decks29 decks
0%synergy
Curse of the Swine
6.9%inclusion2 decks29 decks
-4%synergy
Repudiate // Replicate
6.9%inclusion2 decks29 decks
5%synergy
Season of Weaving
5.3%inclusion1 decks19 decks
2%synergy
Utility Artifacts
Mirror Box
55%inclusion16 decks29 decks
52%synergy
Lightning Greaves
55%inclusion16 decks29 decks
33%synergy
Swiftfoot Boots
52%inclusion15 decks29 decks
26%synergy
Mirror Gallery
38%inclusion11 decks29 decks
37%synergy
Combine Chrysalis
34%inclusion10 decks29 decks
30%synergy
The Great Henge
31%inclusion9 decks29 decks
22%synergy
Eldrazi Monument
24%inclusion7 decks29 decks
24%synergy
Idol of Oblivion
14%inclusion4 decks29 decks
10%synergy
Winter Orb
10%inclusion3 decks29 decks
10%synergy
The One Ring
10%inclusion3 decks29 decks
3%synergy
Static Orb
6.9%inclusion2 decks29 decks
7%synergy
Vedalken Orrery
6.9%inclusion2 decks29 decks
6%synergy
Nevinyrral's Disk
6.9%inclusion2 decks29 decks
6%synergy
Sapphire Medallion
6.9%inclusion2 decks29 decks
4%synergy
Enchantments
Tribute to the World Tree
55%inclusion16 decks29 decks
49%synergy
Mystic Remora
45%inclusion13 decks29 decks
29%synergy
Extravagant Replication
34%inclusion10 decks29 decks
32%synergy
Sylvan Library
31%inclusion9 decks29 decks
22%synergy
Primal Vigor
31%inclusion9 decks29 decks
28%synergy
Utopia Sprawl
28%inclusion8 decks29 decks
21%synergy
Wild Growth
28%inclusion8 decks29 decks
19%synergy
Paradox Haze
28%inclusion8 decks29 decks
27%synergy
Exploration
24%inclusion7 decks29 decks
11%synergy
Cryptolith Rite
21%inclusion6 decks29 decks
18%synergy
Moonlit Meditation
20%inclusion1 decks5 decks
19%synergy
Followed Footsteps
17%inclusion5 decks29 decks
17%synergy
Burgeoning
17%inclusion5 decks29 decks
10%synergy
Growing Rites of Itlimoc
17%inclusion5 decks29 decks
11%synergy
Kindred Discovery
14%inclusion4 decks29 decks
4%synergy
Beastmaster Ascension
14%inclusion4 decks29 decks
11%synergy
Carpet of Flowers
14%inclusion4 decks29 decks
11%synergy
Vesuvan Duplimancy
14%inclusion4 decks29 decks
12%synergy
Asceticism
14%inclusion4 decks29 decks
10%synergy
Propaganda
14%inclusion4 decks29 decks
7%synergy
Shadow of the Second Sun
9.1%inclusion2 decks22 decks
8%synergy
Imprisoned in the Moon
6.9%inclusion2 decks29 decks
3%synergy
Rites of Flourishing
6.9%inclusion2 decks29 decks
5%synergy
Opposition
6.9%inclusion2 decks29 decks
6%synergy
Abundance
6.9%inclusion2 decks29 decks
5%synergy
Arcane Laboratory
6.9%inclusion2 decks29 decks
7%synergy
Mirror Room // Fractured Realm
5.9%inclusion1 decks17 decks
5%synergy
Battles
Invasion of Ikoria
6.9%inclusion2 decks29 decks
2%synergy
Planeswalkers
Oko, Thief of Crowns
38%inclusion11 decks29 decks
31%synergy
Oko, the Ringleader
12%inclusion3 decks25 decks
11%synergy
Narset, Parter of Veils
6.9%inclusion2 decks29 decks
5%synergy
Utility Lands
Reliquary Tower
76%inclusion22 decks29 decks
26%synergy
Yavimaya, Cradle of Growth
62%inclusion18 decks29 decks
40%synergy
Evendo, Waking Haven
60%inclusion3 decks5 decks
55%synergy
Boseiju, Who Endures
59%inclusion17 decks29 decks
36%synergy
Command Beacon
45%inclusion13 decks29 decks
41%synergy
Otawara, Soaring City
45%inclusion13 decks29 decks
26%synergy
Mystic Sanctuary
38%inclusion11 decks29 decks
25%synergy
Mistrise Village
33%inclusion2 decks6 decks
23%synergy
Three Tree City
32%inclusion6 decks19 decks
26%synergy
Nykthos, Shrine to Nyx
21%inclusion6 decks29 decks
18%synergy
Minamo, School at Water's Edge
14%inclusion4 decks29 decks
7%synergy
Mosswort Bridge
14%inclusion4 decks29 decks
-4%synergy
Temple of the False God
14%inclusion4 decks29 decks
-2%synergy
Castle Garenbrig
14%inclusion4 decks29 decks
9%synergy
Restless Vinestalk
10%inclusion3 decks29 decks
5%synergy
Rogue's Passage
10%inclusion3 decks29 decks
-12%synergy
Shifting Woodland
9.1%inclusion2 decks22 decks
2%synergy
Wasteland
6.9%inclusion2 decks29 decks
6%synergy
Rivendell
6.9%inclusion2 decks29 decks
1%synergy
Alchemist's Refuge
6.9%inclusion2 decks29 decks
-11%synergy
Mirrorpool
6.9%inclusion2 decks29 decks
6%synergy
Glacial Chasm
6.9%inclusion2 decks29 decks
6%synergy
Homeward Path
6.9%inclusion2 decks29 decks
5%synergy
Oran-Rief, the Vastwood
6.9%inclusion2 decks29 decks
2%synergy
Mana Artifacts
Sol Ring
97%inclusion28 decks29 decks
16%synergy
Arcane Signet
93%inclusion27 decks29 decks
30%synergy
Simic Signet
38%inclusion11 decks29 decks
6%synergy
Talisman of Curiosity
34%inclusion10 decks29 decks
13%synergy
Thought Vessel
31%inclusion9 decks29 decks
11%synergy
Mana Crypt
24%inclusion7 decks29 decks
21%synergy
Mana Vault
21%inclusion6 decks29 decks
14%synergy
Jeweled Lotus
17%inclusion5 decks29 decks
15%synergy
Chrome Mox
14%inclusion4 decks29 decks
7%synergy
Lotus Petal
10%inclusion3 decks29 decks
3%synergy
Commander's Sphere
6.9%inclusion2 decks29 decks
-1%synergy
Chromatic Lantern
6.9%inclusion2 decks29 decks
5%synergy
Chromatic Orrery
6.9%inclusion2 decks29 decks
6%synergy
Thran Dynamo
6.9%inclusion2 decks29 decks
4%synergy
Mind Stone
6.9%inclusion2 decks29 decks
2%synergy
Mox Opal
6.9%inclusion2 decks29 decks
2%synergy
Mox Diamond
6.9%inclusion2 decks29 decks
2%synergy
Patchwork Banner
5.6%inclusion1 decks18 decks
2%synergy
Lands
Command Tower
97%inclusion28 decks29 decks
11%synergy
Island
93%inclusion27 decks29 decks
-2%synergy
Forest
93%inclusion27 decks29 decks
-2%synergy
Breeding Pool
90%inclusion26 decks29 decks
44%synergy
Rejuvenating Springs
90%inclusion26 decks29 decks
46%synergy
Tropical Island
83%inclusion24 decks29 decks
69%synergy
Misty Rainforest
69%inclusion20 decks29 decks
38%synergy
Hinterland Harbor
66%inclusion19 decks29 decks
6%synergy
Simic Growth Chamber
55%inclusion16 decks29 decks
7%synergy
Dreamroot Cascade
55%inclusion16 decks29 decks
13%synergy
Yavimaya Coast
48%inclusion14 decks29 decks
-4%synergy
Barkchannel Pathway
48%inclusion14 decks29 decks
28%synergy
Glasspool Mimic
48%inclusion14 decks29 decks
44%synergy
Willowrush Verge
40%inclusion4 decks10 decks
24%synergy
Waterlogged Grove
38%inclusion11 decks29 decks
17%synergy
Fabled Passage
34%inclusion10 decks29 decks
20%synergy
Myriad Landscape
31%inclusion9 decks29 decks
9%synergy
Exotic Orchard
31%inclusion9 decks29 decks
7%synergy
Temple of Mystery
31%inclusion9 decks29 decks
-7%synergy
Hedge Maze
31%inclusion8 decks26 decks
11%synergy
Verdant Catacombs
24%inclusion7 decks29 decks
15%synergy
Reflecting Pool
24%inclusion7 decks29 decks
21%synergy
Flooded Grove
24%inclusion7 decks29 decks
-17%synergy
Prismatic Vista
21%inclusion6 decks29 decks
13%synergy
Vineglimmer Snarl
21%inclusion6 decks29 decks
-18%synergy
Scalding Tarn
21%inclusion6 decks29 decks
11%synergy
Flooded Strand
21%inclusion6 decks29 decks
10%synergy
Windswept Heath
17%inclusion5 decks29 decks
7%synergy
Sea Gate Restoration
17%inclusion5 decks29 decks
12%synergy
Bala Ged Recovery
17%inclusion5 decks29 decks
7%synergy
Littjara Mirrorlake
14%inclusion4 decks29 decks
10%synergy
Wooded Foothills
14%inclusion4 decks29 decks
4%synergy
Botanical Sanctum
14%inclusion4 decks29 decks
1%synergy
Cavern of Souls
14%inclusion4 decks29 decks
8%synergy
Polluted Delta
14%inclusion4 decks29 decks
3%synergy
City of Brass
14%inclusion4 decks29 decks
8%synergy
Rimewood Falls
10%inclusion3 decks29 decks
1%synergy
Evolving Wilds
10%inclusion3 decks29 decks
-15%synergy
Thornwood Falls
10%inclusion3 decks29 decks
-7%synergy
Blighted Woodland
6.9%inclusion2 decks29 decks
-1%synergy
Tangled Islet
6.9%inclusion2 decks29 decks
-10%synergy
Snow-Covered Island
6.9%inclusion2 decks29 decks
0%synergy
Snow-Covered Forest
6.9%inclusion2 decks29 decks
0%synergy
Thriving Isle
6.9%inclusion2 decks29 decks
5%synergy
Gemstone Caverns
6.9%inclusion2 decks29 decks
1%synergy
Mana Confluence
6.9%inclusion2 decks29 decks
1%synergy
Woodland Stream
6.9%inclusion2 decks29 decks
2%synergy
Simic Guildgate
6.9%inclusion2 decks29 decks
-3%synergy
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