Koma, Cosmos Serpent (Commander) - Expensive Clones

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #308
28decks
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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Tam, Mindful First-Year
100%inclusion1 decks1 decks
99%synergy
High Synergy Cards
Sakashima of a Thousand Faces
96%inclusion27 decks28 decks
91%synergy
Sakashima the Impostor
89%inclusion25 decks28 decks
87%synergy
Parallel Lives
89%inclusion25 decks28 decks
83%synergy
Spark Double
93%inclusion26 decks28 decks
83%synergy
Elemental Bond
79%inclusion22 decks28 decks
73%synergy
Doubling Season
82%inclusion23 decks28 decks
73%synergy
Adrix and Nev, Twincasters
79%inclusion22 decks28 decks
70%synergy
Irenicus's Vile Duplication
75%inclusion21 decks28 decks
69%synergy
Double Major
68%inclusion19 decks28 decks
59%synergy
Mana Drain
75%inclusion21 decks28 decks
59%synergy
Top Cards
Cultivate
79%inclusion22 decks28 decks
32%synergy
Three Visits
71%inclusion20 decks28 decks
48%synergy
Heroic Intervention
71%inclusion20 decks28 decks
41%synergy
Nature's Lore
71%inclusion20 decks28 decks
41%synergy
Birds of Paradise
68%inclusion19 decks28 decks
40%synergy
Kodama's Reach
64%inclusion18 decks28 decks
28%synergy
Farseek
64%inclusion18 decks28 decks
39%synergy
Aesi, Tyrant of Gyre Strait
64%inclusion18 decks28 decks
47%synergy
Helm of the Host
64%inclusion18 decks28 decks
59%synergy
Skyshroud Claim
61%inclusion17 decks28 decks
52%synergy
Game Changers
Gaea's Cradle
93%inclusion26 decks28 decks
85%synergy
Cyclonic Rift
86%inclusion24 decks28 decks
60%synergy
Rhystic Study
79%inclusion22 decks28 decks
57%synergy
Ancient Tomb
64%inclusion18 decks28 decks
55%synergy
Fierce Guardianship
64%inclusion18 decks28 decks
47%synergy
Worldly Tutor
54%inclusion15 decks28 decks
38%synergy
Force of Will
50%inclusion14 decks28 decks
40%synergy
Seedborn Muse
36%inclusion10 decks28 decks
20%synergy
Mystical Tutor
36%inclusion10 decks28 decks
26%synergy
Crop Rotation
29%inclusion8 decks28 decks
15%synergy
Creatures
Serpent of Yawning Depths
61%inclusion17 decks28 decks
54%synergy
Roaming Throne
54%inclusion15 decks28 decks
46%synergy
Llanowar Elves
54%inclusion15 decks28 decks
26%synergy
Junk Winder
50%inclusion14 decks28 decks
43%synergy
Clever Impersonator
50%inclusion14 decks28 decks
45%synergy
Phyrexian Metamorph
46%inclusion13 decks28 decks
37%synergy
Craterhoof Behemoth
46%inclusion13 decks28 decks
37%synergy
Glasspool Mimic
46%inclusion13 decks28 decks
42%synergy
Fyndhorn Elves
46%inclusion13 decks28 decks
31%synergy
Koma, World-Eater
44%inclusion7 decks16 decks
31%synergy
Murkfiend Liege
43%inclusion12 decks28 decks
28%synergy
Spawning Kraken
43%inclusion12 decks28 decks
36%synergy
Progenitor Mimic
39%inclusion11 decks28 decks
35%synergy
Elvish Mystic
36%inclusion10 decks28 decks
12%synergy
Clone
36%inclusion10 decks28 decks
35%synergy
Auton Soldier
36%inclusion10 decks28 decks
33%synergy
Esix, Fractal Bloom
36%inclusion10 decks28 decks
32%synergy
Ohran Frostfang
36%inclusion10 decks28 decks
32%synergy
Eternal Witness
32%inclusion9 decks28 decks
11%synergy
Stunt Double
32%inclusion9 decks28 decks
31%synergy
Phantasmal Image
32%inclusion9 decks28 decks
29%synergy
Mirror Image
32%inclusion9 decks28 decks
31%synergy
Sakura-Tribe Elder
29%inclusion8 decks28 decks
9%synergy
Undercover Operative
25%inclusion7 decks28 decks
24%synergy
Consecrated Sphinx
25%inclusion7 decks28 decks
16%synergy
Fanatic of Rhonas
22%inclusion5 decks23 decks
16%synergy
Octomancer
20%inclusion4 decks20 decks
15%synergy
Pirated Copy
18%inclusion5 decks28 decks
17%synergy
Garruk's Packleader
18%inclusion5 decks28 decks
16%synergy
Mirrorhall Mimic
18%inclusion5 decks28 decks
16%synergy
Arixmethes, Slumbering Isle
18%inclusion5 decks28 decks
4%synergy
Hullbreaker Horror
18%inclusion5 decks28 decks
0%synergy
Summon: Leviathan
17%inclusion1 decks6 decks
9%synergy
Chameleon, Master of Disguise
17%inclusion1 decks6 decks
14%synergy
Enduring Vitality
16%inclusion3 decks19 decks
8%synergy
Tatyova, Benthic Druid
14%inclusion4 decks28 decks
-17%synergy
Jaheira, Friend of the Forest
14%inclusion4 decks28 decks
10%synergy
Collector Ouphe
14%inclusion4 decks28 decks
13%synergy
Altered Ego
14%inclusion4 decks28 decks
12%synergy
Sakashima's Student
14%inclusion4 decks28 decks
14%synergy
Uro, Titan of Nature's Wrath
14%inclusion4 decks28 decks
4%synergy
Cryptoplasm
14%inclusion4 decks28 decks
14%synergy
Selvala, Heart of the Wilds
11%inclusion3 decks28 decks
8%synergy
Augmenter Pugilist
11%inclusion3 decks28 decks
9%synergy
Toski, Bearer of Secrets
11%inclusion3 decks28 decks
7%synergy
Scute Swarm
11%inclusion3 decks28 decks
-10%synergy
Vizier of Many Faces
11%inclusion3 decks28 decks
10%synergy
Tireless Provisioner
11%inclusion3 decks28 decks
-4%synergy
Enduring Curiosity
11%inclusion2 decks19 decks
7%synergy
Skyserpent Seeker
10%inclusion1 decks10 decks
7%synergy
Instants
Beast Within
61%inclusion17 decks28 decks
11%synergy
Second Harvest
57%inclusion16 decks28 decks
51%synergy
Counterspell
54%inclusion15 decks28 decks
4%synergy
Growth Spiral
46%inclusion13 decks28 decks
2%synergy
Swan Song
39%inclusion11 decks28 decks
20%synergy
Cackling Counterpart
36%inclusion10 decks28 decks
32%synergy
An Offer You Can't Refuse
32%inclusion9 decks28 decks
9%synergy
Chord of Calling
29%inclusion8 decks28 decks
21%synergy
Pongify
21%inclusion6 decks28 decks
-4%synergy
Return of the Wildspeaker
21%inclusion6 decks28 decks
11%synergy
Archdruid's Charm
21%inclusion6 decks28 decks
15%synergy
Nature's Claim
21%inclusion6 decks28 decks
12%synergy
Mystic Reflection
21%inclusion6 decks28 decks
19%synergy
Pact of Negation
21%inclusion6 decks28 decks
14%synergy
Negate
18%inclusion5 decks28 decks
-8%synergy
Arcane Denial
18%inclusion5 decks28 decks
-5%synergy
Force of Negation
18%inclusion5 decks28 decks
9%synergy
Spider-Sense
17%inclusion1 decks6 decks
15%synergy
Rapid Hybridization
14%inclusion4 decks28 decks
-12%synergy
Sublime Epiphany
11%inclusion3 decks28 decks
9%synergy
Force of Vigor
11%inclusion3 decks28 decks
6%synergy
Noxious Revival
11%inclusion3 decks28 decks
5%synergy
Fated Infatuation
11%inclusion3 decks28 decks
10%synergy
Tamiyo's Safekeeping
11%inclusion3 decks28 decks
5%synergy
Strix Serenade
8.3%inclusion2 decks24 decks
5%synergy
Veil of Summer
7.1%inclusion2 decks28 decks
1%synergy
Muddle the Mixture
7.1%inclusion2 decks28 decks
3%synergy
Mental Misstep
7.1%inclusion2 decks28 decks
2%synergy
Brainstorm
7.1%inclusion2 decks28 decks
-7%synergy
Krosan Grip
7.1%inclusion2 decks28 decks
-1%synergy
Legolas's Quick Reflexes
7.1%inclusion2 decks28 decks
5%synergy
Harrow
7.1%inclusion2 decks28 decks
-5%synergy
Stubborn Denial
7.1%inclusion2 decks28 decks
4%synergy
Flusterstorm
7.1%inclusion2 decks28 decks
0%synergy
Disallow
7.1%inclusion2 decks28 decks
5%synergy
Cryptic Command
7.1%inclusion2 decks28 decks
6%synergy
Wash Away
7.1%inclusion2 decks28 decks
6%synergy
March of Swirling Mist
7.1%inclusion2 decks28 decks
3%synergy
Sorceries
Whelming Wave
61%inclusion17 decks28 decks
49%synergy
Rampant Growth
57%inclusion16 decks28 decks
17%synergy
Rite of Replication
50%inclusion14 decks28 decks
43%synergy
Quantum Misalignment
46%inclusion13 decks28 decks
44%synergy
Finale of Devastation
43%inclusion12 decks28 decks
31%synergy
Quasiduplicate
32%inclusion9 decks28 decks
30%synergy
Doppelgang
21%inclusion6 decks28 decks
15%synergy
Bala Ged Recovery
21%inclusion6 decks28 decks
11%synergy
Green Sun's Zenith
18%inclusion5 decks28 decks
9%synergy
Regrowth
18%inclusion5 decks28 decks
14%synergy
Croaking Counterpart
14%inclusion4 decks28 decks
10%synergy
Shamanic Revelation
14%inclusion4 decks28 decks
9%synergy
Replication Technique
11%inclusion3 decks28 decks
8%synergy
Triumph of the Hordes
11%inclusion3 decks28 decks
8%synergy
Sea Gate Restoration
11%inclusion3 decks28 decks
5%synergy
Clone Legion
11%inclusion3 decks28 decks
10%synergy
Overwhelming Stampede
11%inclusion3 decks28 decks
-2%synergy
Flare of Cultivation
7.4%inclusion2 decks27 decks
5%synergy
Fabricate
7.1%inclusion2 decks28 decks
0%synergy
Curse of the Swine
7.1%inclusion2 decks28 decks
-4%synergy
Explore
7.1%inclusion2 decks28 decks
-13%synergy
Rishkar's Expertise
7.1%inclusion2 decks28 decks
-1%synergy
Explosive Vegetation
7.1%inclusion2 decks28 decks
1%synergy
Utility Artifacts
Lightning Greaves
61%inclusion17 decks28 decks
39%synergy
Mirror Box
50%inclusion14 decks28 decks
47%synergy
Swiftfoot Boots
43%inclusion12 decks28 decks
17%synergy
Mirror Gallery
39%inclusion11 decks28 decks
39%synergy
The Great Henge
36%inclusion10 decks28 decks
27%synergy
Combine Chrysalis
32%inclusion9 decks28 decks
28%synergy
Eldrazi Monument
29%inclusion8 decks28 decks
28%synergy
Winter Orb
11%inclusion3 decks28 decks
10%synergy
The One Ring
11%inclusion3 decks28 decks
3%synergy
Idol of Oblivion
11%inclusion3 decks28 decks
7%synergy
Static Orb
7.1%inclusion2 decks28 decks
7%synergy
Nevinyrral's Disk
7.1%inclusion2 decks28 decks
7%synergy
Sapphire Medallion
7.1%inclusion2 decks28 decks
4%synergy
Enchantments
Tribute to the World Tree
57%inclusion16 decks28 decks
51%synergy
Mystic Remora
46%inclusion13 decks28 decks
31%synergy
Sylvan Library
39%inclusion11 decks28 decks
30%synergy
Extravagant Replication
32%inclusion9 decks28 decks
30%synergy
Utopia Sprawl
29%inclusion8 decks28 decks
22%synergy
Exploration
29%inclusion8 decks28 decks
15%synergy
Primal Vigor
29%inclusion8 decks28 decks
25%synergy
Paradox Haze
29%inclusion8 decks28 decks
28%synergy
Wild Growth
25%inclusion7 decks28 decks
16%synergy
Cryptolith Rite
21%inclusion6 decks28 decks
18%synergy
Burgeoning
18%inclusion5 decks28 decks
11%synergy
Growing Rites of Itlimoc
18%inclusion5 decks28 decks
12%synergy
Moonlit Meditation
17%inclusion1 decks6 decks
15%synergy
Kindred Discovery
14%inclusion4 decks28 decks
5%synergy
Carpet of Flowers
14%inclusion4 decks28 decks
12%synergy
Followed Footsteps
14%inclusion4 decks28 decks
14%synergy
Beastmaster Ascension
11%inclusion3 decks28 decks
8%synergy
Imprisoned in the Moon
11%inclusion3 decks28 decks
7%synergy
Vesuvan Duplimancy
11%inclusion3 decks28 decks
9%synergy
Shadow of the Second Sun
8.3%inclusion2 decks24 decks
8%synergy
Asceticism
7.1%inclusion2 decks28 decks
4%synergy
Opposition
7.1%inclusion2 decks28 decks
7%synergy
Arcane Laboratory
7.1%inclusion2 decks28 decks
7%synergy
Propaganda
7.1%inclusion2 decks28 decks
0%synergy
Abundance
7.1%inclusion2 decks28 decks
5%synergy
Mirror Room // Fractured Realm
5.3%inclusion1 decks19 decks
4%synergy
Battles
Invasion of Ikoria
7.1%inclusion2 decks28 decks
3%synergy
Planeswalkers
Oko, Thief of Crowns
39%inclusion11 decks28 decks
32%synergy
Oko, the Ringleader
11%inclusion3 decks27 decks
10%synergy
Narset, Parter of Veils
7.1%inclusion2 decks28 decks
6%synergy
Utility Lands
Reliquary Tower
79%inclusion22 decks28 decks
29%synergy
Yavimaya, Cradle of Growth
61%inclusion17 decks28 decks
39%synergy
Boseiju, Who Endures
61%inclusion17 decks28 decks
38%synergy
Evendo, Waking Haven
50%inclusion3 decks6 decks
45%synergy
Command Beacon
46%inclusion13 decks28 decks
42%synergy
Otawara, Soaring City
43%inclusion12 decks28 decks
24%synergy
Three Tree City
33%inclusion7 decks21 decks
28%synergy
Mystic Sanctuary
32%inclusion9 decks28 decks
20%synergy
Mistrise Village
29%inclusion2 decks7 decks
18%synergy
Castle Garenbrig
21%inclusion6 decks28 decks
17%synergy
Nykthos, Shrine to Nyx
18%inclusion5 decks28 decks
15%synergy
Temple of the False God
18%inclusion5 decks28 decks
2%synergy
Minamo, School at Water's Edge
11%inclusion3 decks28 decks
4%synergy
Mosswort Bridge
11%inclusion3 decks28 decks
-7%synergy
Shifting Woodland
8.3%inclusion2 decks24 decks
2%synergy
Wasteland
7.1%inclusion2 decks28 decks
6%synergy
Alchemist's Refuge
7.1%inclusion2 decks28 decks
-10%synergy
Mirrorpool
7.1%inclusion2 decks28 decks
6%synergy
Glacial Chasm
7.1%inclusion2 decks28 decks
6%synergy
Homeward Path
7.1%inclusion2 decks28 decks
5%synergy
Rogue's Passage
7.1%inclusion2 decks28 decks
-15%synergy
Mana Artifacts
Arcane Signet
93%inclusion26 decks28 decks
30%synergy
Sol Ring
93%inclusion26 decks28 decks
12%synergy
Talisman of Curiosity
43%inclusion12 decks28 decks
21%synergy
Simic Signet
36%inclusion10 decks28 decks
4%synergy
Thought Vessel
36%inclusion10 decks28 decks
15%synergy
Mana Vault
21%inclusion6 decks28 decks
15%synergy
Mana Crypt
18%inclusion5 decks28 decks
15%synergy
Jeweled Lotus
14%inclusion4 decks28 decks
12%synergy
Lotus Petal
14%inclusion4 decks28 decks
7%synergy
Chrome Mox
11%inclusion3 decks28 decks
4%synergy
Commander's Sphere
7.1%inclusion2 decks28 decks
-1%synergy
Chromatic Lantern
7.1%inclusion2 decks28 decks
5%synergy
Fellwar Stone
7.1%inclusion2 decks28 decks
-3%synergy
Chromatic Orrery
7.1%inclusion2 decks28 decks
6%synergy
Thran Dynamo
7.1%inclusion2 decks28 decks
4%synergy
Mox Diamond
7.1%inclusion2 decks28 decks
2%synergy
Mind Stone
7.1%inclusion2 decks28 decks
3%synergy
Patchwork Banner
5.0%inclusion1 decks20 decks
2%synergy
Lands
Command Tower
96%inclusion27 decks28 decks
11%synergy
Island
93%inclusion26 decks28 decks
-3%synergy
Forest
93%inclusion26 decks28 decks
-2%synergy
Breeding Pool
89%inclusion25 decks28 decks
43%synergy
Rejuvenating Springs
86%inclusion24 decks28 decks
42%synergy
Tropical Island
82%inclusion23 decks28 decks
68%synergy
Hinterland Harbor
68%inclusion19 decks28 decks
8%synergy
Misty Rainforest
61%inclusion17 decks28 decks
29%synergy
Dreamroot Cascade
57%inclusion16 decks28 decks
15%synergy
Yavimaya Coast
54%inclusion15 decks28 decks
1%synergy
Simic Growth Chamber
50%inclusion14 decks28 decks
2%synergy
Barkchannel Pathway
50%inclusion14 decks28 decks
30%synergy
Glasspool Mimic
46%inclusion13 decks28 decks
42%synergy
Willowrush Verge
45%inclusion5 decks11 decks
29%synergy
Waterlogged Grove
43%inclusion12 decks28 decks
22%synergy
Fabled Passage
32%inclusion9 decks28 decks
18%synergy
Myriad Landscape
32%inclusion9 decks28 decks
10%synergy
Hedge Maze
32%inclusion9 decks28 decks
12%synergy
Exotic Orchard
29%inclusion8 decks28 decks
5%synergy
Reflecting Pool
29%inclusion8 decks28 decks
25%synergy
Vineglimmer Snarl
25%inclusion7 decks28 decks
-13%synergy
Prismatic Vista
21%inclusion6 decks28 decks
14%synergy
Temple of Mystery
21%inclusion6 decks28 decks
-17%synergy
Verdant Catacombs
21%inclusion6 decks28 decks
12%synergy
Flooded Grove
21%inclusion6 decks28 decks
-20%synergy
Bala Ged Recovery
21%inclusion6 decks28 decks
11%synergy
Windswept Heath
18%inclusion5 decks28 decks
7%synergy
Scalding Tarn
18%inclusion5 decks28 decks
8%synergy
Flooded Strand
18%inclusion5 decks28 decks
7%synergy
Littjara Mirrorlake
14%inclusion4 decks28 decks
10%synergy
Wooded Foothills
14%inclusion4 decks28 decks
5%synergy
Mana Confluence
14%inclusion4 decks28 decks
8%synergy
Polluted Delta
14%inclusion4 decks28 decks
4%synergy
City of Brass
14%inclusion4 decks28 decks
8%synergy
Botanical Sanctum
14%inclusion4 decks28 decks
2%synergy
Sea Gate Restoration
11%inclusion3 decks28 decks
5%synergy
Tangled Islet
11%inclusion3 decks28 decks
-6%synergy
Cavern of Souls
11%inclusion3 decks28 decks
5%synergy
Rimewood Falls
11%inclusion3 decks28 decks
2%synergy
Evolving Wilds
11%inclusion3 decks28 decks
-14%synergy
Blighted Woodland
7.1%inclusion2 decks28 decks
0%synergy
Snow-Covered Island
7.1%inclusion2 decks28 decks
0%synergy
Snow-Covered Forest
7.1%inclusion2 decks28 decks
0%synergy
Thriving Isle
7.1%inclusion2 decks28 decks
5%synergy
Gemstone Caverns
7.1%inclusion2 decks28 decks
1%synergy
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