Koma, Cosmos Serpent (Commander) - Clones

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #306
282decks
As CommanderAs CardAverage DeckDecks
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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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Tam, Mindful First-Year
13%inclusion2 decks15 decks
13%synergy
The Unagi of Kyoshi Island
13%inclusion8 decks62 decks
7%synergy
Sodden Verdure
11%inclusion2 decks18 decks
8%synergy
Shared Roots
6.7%inclusion4 decks60 decks
3%synergy
Loch Mare
6.7%inclusion1 decks15 decks
7%synergy
High Synergy Cards
Adrix and Nev, Twincasters
89%inclusion250 decks282 decks
80%synergy
Spark Double
87%inclusion245 decks282 decks
77%synergy
Sakashima of a Thousand Faces
79%inclusion224 decks282 decks
74%synergy
Elemental Bond
74%inclusion209 decks282 decks
68%synergy
Irenicus's Vile Duplication
73%inclusion207 decks282 decks
67%synergy
Whelming Wave
73%inclusion207 decks282 decks
62%synergy
Sakashima the Impostor
64%inclusion181 decks282 decks
62%synergy
Parallel Lives
66%inclusion187 decks282 decks
60%synergy
Double Major
66%inclusion186 decks282 decks
58%synergy
Helm of the Host
60%inclusion170 decks282 decks
55%synergy
Top Cards
Cultivate
82%inclusion230 decks282 decks
35%synergy
Kodama's Reach
72%inclusion204 decks282 decks
36%synergy
Counterspell
72%inclusion204 decks282 decks
22%synergy
Rampant Growth
68%inclusion192 decks282 decks
28%synergy
Heroic Intervention
62%inclusion175 decks282 decks
32%synergy
Beast Within
62%inclusion175 decks282 decks
12%synergy
Koma, World-Eater
59%inclusion118 decks199 decks
46%synergy
Nature's Lore
59%inclusion167 decks282 decks
29%synergy
Doubling Season
56%inclusion159 decks282 decks
47%synergy
Serpent of Yawning Depths
56%inclusion158 decks282 decks
50%synergy
Game Changers
Cyclonic Rift
53%inclusion149 decks282 decks
27%synergy
Rhystic Study
46%inclusion131 decks282 decks
25%synergy
Fierce Guardianship
43%inclusion120 decks282 decks
25%synergy
Seedborn Muse
26%inclusion74 decks282 decks
10%synergy
Worldly Tutor
26%inclusion72 decks282 decks
10%synergy
Consecrated Sphinx
24%inclusion67 decks282 decks
15%synergy
Force of Will
17%inclusion49 decks282 decks
7%synergy
Ancient Tomb
16%inclusion45 decks282 decks
7%synergy
Mystical Tutor
16%inclusion45 decks282 decks
7%synergy
Gaea's Cradle
10%inclusion27 decks282 decks
2%synergy
Creatures
Junk Winder
51%inclusion145 decks282 decks
45%synergy
Birds of Paradise
51%inclusion144 decks282 decks
23%synergy
Aesi, Tyrant of Gyre Strait
51%inclusion143 decks282 decks
33%synergy
Spawning Kraken
47%inclusion133 decks282 decks
40%synergy
Llanowar Elves
47%inclusion132 decks282 decks
19%synergy
Craterhoof Behemoth
38%inclusion108 decks282 decks
29%synergy
Elvish Mystic
36%inclusion101 decks282 decks
12%synergy
Murkfiend Liege
36%inclusion101 decks282 decks
21%synergy
Sakura-Tribe Elder
34%inclusion97 decks282 decks
15%synergy
Roaming Throne
34%inclusion96 decks282 decks
26%synergy
Esix, Fractal Bloom
34%inclusion95 decks282 decks
30%synergy
Clever Impersonator
33%inclusion92 decks282 decks
28%synergy
Glasspool Mimic
32%inclusion89 decks282 decks
27%synergy
Phyrexian Metamorph
31%inclusion87 decks282 decks
22%synergy
Summon: Leviathan
31%inclusion37 decks120 decks
24%synergy
Progenitor Mimic
30%inclusion86 decks282 decks
26%synergy
Eternal Witness
30%inclusion84 decks282 decks
9%synergy
Fyndhorn Elves
29%inclusion81 decks282 decks
13%synergy
Garruk's Packleader
28%inclusion80 decks282 decks
26%synergy
Arixmethes, Slumbering Isle
28%inclusion80 decks282 decks
15%synergy
Octomancer
28%inclusion64 decks226 decks
24%synergy
Tatyova, Benthic Druid
26%inclusion72 decks282 decks
-6%synergy
Enduring Vitality
24%inclusion53 decks217 decks
17%synergy
Auton Soldier
23%inclusion66 decks282 decks
21%synergy
Ohran Frostfang
23%inclusion64 decks282 decks
19%synergy
Fanatic of Rhonas
20%inclusion49 decks240 decks
15%synergy
Mirror Image
19%inclusion54 decks282 decks
18%synergy
Clone
19%inclusion53 decks282 decks
18%synergy
Stunt Double
18%inclusion52 decks282 decks
17%synergy
Chameleon, Master of Disguise
18%inclusion15 decks84 decks
15%synergy
Archetype of Imagination
17%inclusion49 decks282 decks
13%synergy
Undercover Operative
16%inclusion46 decks282 decks
15%synergy
Starwinder
16%inclusion16 decks102 decks
9%synergy
Curiosity Crafter
16%inclusion44 decks282 decks
12%synergy
Phantasmal Image
16%inclusion44 decks282 decks
12%synergy
Hullbreaker Horror
15%inclusion42 decks282 decks
-3%synergy
Coiling Oracle
13%inclusion38 decks282 decks
0%synergy
Azusa, Lost but Seeking
13%inclusion38 decks282 decks
-1%synergy
Slinn Voda, the Rising Deep
12%inclusion35 decks282 decks
6%synergy
Circle of Dreams Druid
12%inclusion34 decks282 decks
10%synergy
Mirrorhall Mimic
12%inclusion33 decks282 decks
10%synergy
Vizier of Many Faces
12%inclusion33 decks282 decks
11%synergy
Pirated Copy
11%inclusion32 decks282 decks
11%synergy
Uro, Titan of Nature's Wrath
11%inclusion32 decks282 decks
2%synergy
Toski, Bearer of Secrets
11%inclusion31 decks282 decks
8%synergy
Jaheira, Friend of the Forest
11%inclusion30 decks282 decks
7%synergy
Troyan, Gutsy Explorer
11%inclusion30 decks282 decks
8%synergy
Delighted Halfling
10%inclusion29 decks282 decks
-1%synergy
Altered Ego
10%inclusion28 decks282 decks
8%synergy
Scute Swarm
10%inclusion28 decks282 decks
-11%synergy
Instants
Growth Spiral
52%inclusion146 decks282 decks
7%synergy
Second Harvest
48%inclusion136 decks282 decks
42%synergy
Mana Drain
43%inclusion120 decks282 decks
27%synergy
Arcane Denial
36%inclusion101 decks282 decks
13%synergy
Negate
35%inclusion98 decks282 decks
9%synergy
An Offer You Can't Refuse
34%inclusion95 decks282 decks
10%synergy
Pongify
32%inclusion91 decks282 decks
7%synergy
Rapid Hybridization
30%inclusion86 decks282 decks
4%synergy
Swan Song
30%inclusion84 decks282 decks
11%synergy
Cackling Counterpart
25%inclusion71 decks282 decks
22%synergy
Return of the Wildspeaker
24%inclusion69 decks282 decks
14%synergy
Krosan Grip
22%inclusion61 decks282 decks
14%synergy
Mystic Reflection
18%inclusion51 decks282 decks
16%synergy
Nature's Claim
18%inclusion51 decks282 decks
8%synergy
Sublime Epiphany
16%inclusion46 decks282 decks
14%synergy
Reality Shift
16%inclusion44 decks282 decks
1%synergy
Harrow
15%inclusion43 decks282 decks
3%synergy
Tamiyo's Safekeeping
15%inclusion43 decks282 decks
10%synergy
Planar Genesis
14%inclusion34 decks240 decks
3%synergy
Chord of Calling
14%inclusion39 decks282 decks
6%synergy
Brainstorm
13%inclusion38 decks282 decks
-1%synergy
Sink into Stupor
13%inclusion32 decks241 decks
2%synergy
See Double
13%inclusion37 decks282 decks
11%synergy
Voidslime
11%inclusion32 decks282 decks
6%synergy
Simic Charm
11%inclusion32 decks282 decks
3%synergy
Pact of Negation
10%inclusion29 decks282 decks
3%synergy
Plasm Capture
10%inclusion28 decks282 decks
7%synergy
Force of Negation
10%inclusion28 decks282 decks
1%synergy
Snakeskin Veil
10%inclusion27 decks282 decks
4%synergy
Archdruid's Charm
10%inclusion27 decks282 decks
3%synergy
Noxious Revival
10%inclusion27 decks282 decks
3%synergy
Return to Nature
9.2%inclusion26 decks282 decks
4%synergy
Stubborn Denial
8.9%inclusion25 decks282 decks
6%synergy
Perplexing Test
8.5%inclusion24 decks282 decks
4%synergy
Eureka Moment
7.4%inclusion21 decks282 decks
-3%synergy
Resculpt
7.4%inclusion21 decks282 decks
1%synergy
Disallow
7.4%inclusion21 decks282 decks
6%synergy
Three Steps Ahead
7.3%inclusion19 decks261 decks
4%synergy
Narset's Reversal
7.1%inclusion20 decks282 decks
6%synergy
Force of Vigor
6.4%inclusion18 decks282 decks
2%synergy
Tyvar's Stand
6.4%inclusion18 decks282 decks
4%synergy
Entish Restoration
6.0%inclusion17 decks282 decks
-3%synergy
Lazotep Plating
6.0%inclusion17 decks282 decks
5%synergy
Fated Infatuation
5.7%inclusion16 decks282 decks
5%synergy
Auroral Procession
5.3%inclusion7 decks133 decks
2%synergy
Sorceries
Farseek
56%inclusion157 decks282 decks
31%synergy
Three Visits
52%inclusion146 decks282 decks
29%synergy
Quantum Misalignment
49%inclusion137 decks282 decks
46%synergy
Rite of Replication
44%inclusion124 decks282 decks
37%synergy
Skyshroud Claim
35%inclusion99 decks282 decks
26%synergy
Quasiduplicate
26%inclusion74 decks282 decks
24%synergy
Explore
21%inclusion59 decks282 decks
1%synergy
Bala Ged Recovery
17%inclusion47 decks282 decks
7%synergy
Triumph of the Hordes
16%inclusion46 decks282 decks
13%synergy
Overwhelming Stampede
16%inclusion45 decks282 decks
4%synergy
Finale of Devastation
16%inclusion44 decks282 decks
4%synergy
Croaking Counterpart
13%inclusion38 decks282 decks
9%synergy
Doppelgang
13%inclusion37 decks282 decks
7%synergy
Shamanic Revelation
12%inclusion35 decks282 decks
7%synergy
Migration Path
12%inclusion35 decks282 decks
9%synergy
Distant Melody
10%inclusion29 decks282 decks
7%synergy
Rishkar's Expertise
10%inclusion28 decks282 decks
1%synergy
Sea Gate Restoration
10%inclusion27 decks282 decks
4%synergy
Spitting Image
9.2%inclusion26 decks282 decks
7%synergy
Explosive Vegetation
8.9%inclusion25 decks282 decks
3%synergy
Regrowth
8.9%inclusion25 decks282 decks
5%synergy
Repudiate // Replicate
8.2%inclusion23 decks282 decks
6%synergy
Green Sun's Zenith
7.4%inclusion21 decks282 decks
-1%synergy
Replication Technique
7.1%inclusion20 decks282 decks
4%synergy
Fabricate
7.1%inclusion20 decks282 decks
0%synergy
Urban Evolution
7.1%inclusion20 decks282 decks
-2%synergy
Flare of Cultivation
7.0%inclusion19 decks271 decks
5%synergy
Harmonize
6.7%inclusion19 decks282 decks
1%synergy
Curse of the Swine
6.0%inclusion17 decks282 decks
-5%synergy
Into the North
6.0%inclusion17 decks282 decks
5%synergy
Ravenform
6.0%inclusion17 decks282 decks
2%synergy
Ponder
5.3%inclusion15 decks282 decks
-2%synergy
Rally the Galadhrim
5.3%inclusion15 decks282 decks
4%synergy
Utility Artifacts
Mirror Box
49%inclusion137 decks282 decks
45%synergy
Swiftfoot Boots
46%inclusion130 decks282 decks
21%synergy
Lightning Greaves
45%inclusion126 decks282 decks
23%synergy
Combine Chrysalis
30%inclusion86 decks282 decks
26%synergy
Mirror Gallery
22%inclusion61 decks282 decks
21%synergy
Eldrazi Monument
14%inclusion40 decks282 decks
14%synergy
Emerald Medallion
14%inclusion39 decks282 decks
11%synergy
The Great Henge
13%inclusion37 decks282 decks
4%synergy
Sapphire Medallion
11%inclusion30 decks282 decks
7%synergy
Idol of Oblivion
10%inclusion28 decks282 decks
6%synergy
Bident of Thassa
7.4%inclusion21 decks282 decks
0%synergy
Lithoform Engine
6.7%inclusion19 decks282 decks
6%synergy
Coat of Arms
6.0%inclusion17 decks282 decks
5%synergy
Enchantments
Tribute to the World Tree
51%inclusion144 decks282 decks
45%synergy
Mystic Remora
34%inclusion95 decks282 decks
18%synergy
Kindred Discovery
31%inclusion87 decks282 decks
21%synergy
Extravagant Replication
25%inclusion70 decks282 decks
22%synergy
Primal Vigor
22%inclusion62 decks282 decks
19%synergy
Sylvan Library
21%inclusion58 decks282 decks
11%synergy
Cryptolith Rite
20%inclusion57 decks282 decks
17%synergy
Growing Rites of Itlimoc
20%inclusion57 decks282 decks
14%synergy
Paradox Haze
17%inclusion47 decks282 decks
16%synergy
Beastmaster Ascension
16%inclusion46 decks282 decks
13%synergy
Exploration
15%inclusion43 decks282 decks
2%synergy
Wild Growth
15%inclusion43 decks282 decks
6%synergy
Vesuvan Duplimancy
13%inclusion38 decks282 decks
11%synergy
Utopia Sprawl
12%inclusion35 decks282 decks
6%synergy
Moonlit Meditation
12%inclusion12 decks102 decks
10%synergy
Garruk's Uprising
11%inclusion31 decks282 decks
-6%synergy
Propaganda
11%inclusion30 decks282 decks
4%synergy
Impostor Syndrome
11%inclusion9 decks85 decks
9%synergy
Followed Footsteps
10%inclusion28 decks282 decks
9%synergy
Defense of the Heart
10%inclusion28 decks282 decks
8%synergy
Asceticism
10%inclusion27 decks282 decks
6%synergy
Burgeoning
8.9%inclusion25 decks282 decks
2%synergy
Wilderness Reclamation
8.5%inclusion24 decks282 decks
0%synergy
Imprisoned in the Moon
7.1%inclusion20 decks282 decks
3%synergy
Mirror Room // Fractured Realm
6.8%inclusion15 decks219 decks
6%synergy
Kenrith's Transformation
6.4%inclusion18 decks282 decks
2%synergy
Unnatural Growth
6.0%inclusion17 decks282 decks
3%synergy
Opposition
5.7%inclusion16 decks282 decks
5%synergy
Dismiss into Dream
5.3%inclusion15 decks282 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
28%inclusion80 decks282 decks
21%synergy
Oko, Lorwyn Liege
5.6%inclusion1 decks18 decks
5%synergy
Utility Lands
Reliquary Tower
65%inclusion182 decks282 decks
15%synergy
Boseiju, Who Endures
30%inclusion85 decks282 decks
8%synergy
Yavimaya, Cradle of Growth
30%inclusion85 decks282 decks
8%synergy
Command Beacon
28%inclusion79 decks282 decks
24%synergy
Otawara, Soaring City
22%inclusion63 decks282 decks
3%synergy
Mystic Sanctuary
21%inclusion59 decks282 decks
8%synergy
Temple of the False God
21%inclusion58 decks282 decks
5%synergy
Three Tree City
20%inclusion45 decks229 decks
15%synergy
Castle Garenbrig
18%inclusion50 decks282 decks
13%synergy
Mistrise Village
17%inclusion23 decks133 decks
7%synergy
Mosswort Bridge
17%inclusion47 decks282 decks
-1%synergy
Alchemist's Refuge
15%inclusion42 decks282 decks
-2%synergy
Evendo, Waking Haven
13%inclusion14 decks104 decks
8%synergy
Rogue's Passage
9.2%inclusion26 decks282 decks
-13%synergy
Restless Vinestalk
7.1%inclusion20 decks282 decks
2%synergy
Lumbering Falls
5.3%inclusion15 decks282 decks
-1%synergy
Mana Artifacts
Sol Ring
96%inclusion270 decks282 decks
15%synergy
Arcane Signet
83%inclusion235 decks282 decks
20%synergy
Simic Signet
45%inclusion127 decks282 decks
13%synergy
Talisman of Curiosity
37%inclusion104 decks282 decks
15%synergy
Thought Vessel
35%inclusion99 decks282 decks
15%synergy
Fellwar Stone
10%inclusion29 decks282 decks
1%synergy
Commander's Sphere
8.9%inclusion25 decks282 decks
1%synergy
Decanter of Endless Water
8.9%inclusion25 decks282 decks
4%synergy
Thran Dynamo
8.2%inclusion23 decks282 decks
5%synergy
Mana Vault
7.1%inclusion20 decks282 decks
1%synergy
Lands
Command Tower
93%inclusion263 decks282 decks
8%synergy
Forest
91%inclusion257 decks282 decks
-4%synergy
Island
90%inclusion255 decks282 decks
-5%synergy
Hinterland Harbor
76%inclusion214 decks282 decks
16%synergy
Rejuvenating Springs
70%inclusion197 decks282 decks
26%synergy
Breeding Pool
69%inclusion195 decks282 decks
23%synergy
Yavimaya Coast
67%inclusion189 decks282 decks
14%synergy
Dreamroot Cascade
64%inclusion181 decks282 decks
22%synergy
Simic Growth Chamber
61%inclusion171 decks282 decks
12%synergy
Barkchannel Pathway
50%inclusion140 decks282 decks
29%synergy
Flooded Grove
48%inclusion134 decks282 decks
6%synergy
Misty Rainforest
43%inclusion121 decks282 decks
11%synergy
Vineglimmer Snarl
40%inclusion114 decks282 decks
2%synergy
Temple of Mystery
40%inclusion113 decks282 decks
2%synergy
Glasspool Mimic
32%inclusion89 decks282 decks
27%synergy
Myriad Landscape
31%inclusion88 decks282 decks
9%synergy
Hedge Maze
29%inclusion82 decks282 decks
9%synergy
Waterlogged Grove
28%inclusion78 decks282 decks
7%synergy
Exotic Orchard
27%inclusion77 decks282 decks
3%synergy
Willowrush Verge
24%inclusion39 decks164 decks
7%synergy
Littjara Mirrorlake
22%inclusion62 decks282 decks
18%synergy
Tropical Island
21%inclusion59 decks282 decks
7%synergy
Evolving Wilds
21%inclusion58 decks282 decks
-5%synergy
Rimewood Falls
21%inclusion58 decks282 decks
11%synergy
Fabled Passage
20%inclusion56 decks282 decks
5%synergy
Tangled Islet
18%inclusion50 decks282 decks
1%synergy
Bala Ged Recovery
17%inclusion47 decks282 decks
7%synergy
Botanical Sanctum
15%inclusion43 decks282 decks
3%synergy
Thornwood Falls
15%inclusion42 decks282 decks
-3%synergy
Snow-Covered Forest
15%inclusion41 decks282 decks
8%synergy
Snow-Covered Island
13%inclusion38 decks282 decks
7%synergy
Sink into Stupor
13%inclusion32 decks241 decks
2%synergy
Terramorphic Expanse
12%inclusion35 decks282 decks
-7%synergy
Reflecting Pool
11%inclusion30 decks282 decks
8%synergy
Overflowing Basin
11%inclusion29 decks275 decks
-9%synergy
Sea Gate Restoration
10%inclusion27 decks282 decks
4%synergy
Blighted Woodland
8.9%inclusion25 decks282 decks
2%synergy
Prismatic Vista
8.5%inclusion24 decks282 decks
1%synergy
Path of Ancestry
7.1%inclusion20 decks282 decks
-10%synergy
Windswept Heath
6.7%inclusion19 decks282 decks
-4%synergy
Flooded Strand
6.4%inclusion18 decks282 decks
-5%synergy
Verdant Catacombs
6.0%inclusion17 decks282 decks
-4%synergy
Scalding Tarn
5.7%inclusion16 decks282 decks
-4%synergy
Rain-Slicked Copse
5.6%inclusion1 decks18 decks
4%synergy
Simic Guildgate
5.3%inclusion15 decks282 decks
-5%synergy
Hydroelectric Specimen
5.0%inclusion12 decks240 decks
-1%synergy
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