Koma, Cosmos Serpent (Commander) - Optimized Ramp

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #296
30decks
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 Unagi of Kyoshi Island
33%inclusion1 decks3 decks
29%synergy
High Synergy Cards
Elemental Bond
77%inclusion23 decks30 decks
71%synergy
Parallel Lives
73%inclusion22 decks30 decks
67%synergy
Spark Double
77%inclusion23 decks30 decks
67%synergy
Adrix and Nev, Twincasters
73%inclusion22 decks30 decks
65%synergy
Whelming Wave
73%inclusion22 decks30 decks
62%synergy
Sakashima of a Thousand Faces
67%inclusion20 decks30 decks
62%synergy
Mana Drain
77%inclusion23 decks30 decks
61%synergy
Serpent of Yawning Depths
67%inclusion20 decks30 decks
60%synergy
Spawning Kraken
60%inclusion18 decks30 decks
53%synergy
Sakashima the Impostor
53%inclusion16 decks30 decks
51%synergy
Top Cards
Cultivate
87%inclusion26 decks30 decks
40%synergy
Counterspell
73%inclusion22 decks30 decks
23%synergy
Three Visits
70%inclusion21 decks30 decks
47%synergy
Kodama's Reach
67%inclusion20 decks30 decks
30%synergy
Heroic Intervention
67%inclusion20 decks30 decks
36%synergy
Nature's Lore
67%inclusion20 decks30 decks
36%synergy
Rampant Growth
67%inclusion20 decks30 decks
26%synergy
Birds of Paradise
67%inclusion20 decks30 decks
39%synergy
Koma, World-Eater
63%inclusion19 decks30 decks
50%synergy
Farseek
63%inclusion19 decks30 decks
39%synergy
Game Changers
Cyclonic Rift
87%inclusion26 decks30 decks
61%synergy
Rhystic Study
80%inclusion24 decks30 decks
58%synergy
Fierce Guardianship
70%inclusion21 decks30 decks
53%synergy
Worldly Tutor
53%inclusion16 decks30 decks
38%synergy
Consecrated Sphinx
47%inclusion14 decks30 decks
38%synergy
Mystical Tutor
43%inclusion13 decks30 decks
34%synergy
Seedborn Muse
40%inclusion12 decks30 decks
24%synergy
Ancient Tomb
37%inclusion11 decks30 decks
27%synergy
The One Ring
30%inclusion9 decks30 decks
22%synergy
Force of Will
30%inclusion9 decks30 decks
20%synergy
Creatures
Aesi, Tyrant of Gyre Strait
63%inclusion19 decks30 decks
46%synergy
Craterhoof Behemoth
53%inclusion16 decks30 decks
44%synergy
Junk Winder
43%inclusion13 decks30 decks
37%synergy
Llanowar Elves
43%inclusion13 decks30 decks
16%synergy
Sakura-Tribe Elder
37%inclusion11 decks30 decks
17%synergy
Eternal Witness
33%inclusion10 decks30 decks
12%synergy
Roaming Throne
33%inclusion10 decks30 decks
25%synergy
Fanatic of Rhonas
33%inclusion10 decks30 decks
28%synergy
Garruk's Packleader
30%inclusion9 decks30 decks
28%synergy
Ohran Frostfang
30%inclusion9 decks30 decks
26%synergy
Tatyova, Benthic Druid
27%inclusion8 decks30 decks
-5%synergy
Enduring Vitality
27%inclusion8 decks30 decks
19%synergy
Elvish Mystic
27%inclusion8 decks30 decks
3%synergy
Arixmethes, Slumbering Isle
27%inclusion8 decks30 decks
13%synergy
Summon: Leviathan
24%inclusion5 decks21 decks
17%synergy
Toski, Bearer of Secrets
23%inclusion7 decks30 decks
20%synergy
Hullbreaker Horror
23%inclusion7 decks30 decks
6%synergy
Fyndhorn Elves
23%inclusion7 decks30 decks
8%synergy
Azusa, Lost but Seeking
20%inclusion6 decks30 decks
6%synergy
Vorinclex, Voice of Hunger
20%inclusion6 decks30 decks
17%synergy
Uro, Titan of Nature's Wrath
20%inclusion6 decks30 decks
10%synergy
Selvala, Heart of the Wilds
17%inclusion5 decks30 decks
13%synergy
Coiling Oracle
17%inclusion5 decks30 decks
3%synergy
Nezahal, Primal Tide
17%inclusion5 decks30 decks
6%synergy
Slinn Voda, the Rising Deep
13%inclusion4 decks30 decks
7%synergy
Enduring Curiosity
13%inclusion4 decks30 decks
10%synergy
Tireless Provisioner
13%inclusion4 decks30 decks
-2%synergy
Delighted Halfling
13%inclusion4 decks30 decks
2%synergy
Curiosity Crafter
10%inclusion3 decks30 decks
6%synergy
Octomancer
10%inclusion3 decks30 decks
5%synergy
Saryth, the Viper's Fang
10%inclusion3 decks30 decks
8%synergy
Hydroelectric Specimen
10%inclusion3 decks30 decks
4%synergy
Murkfiend Liege
10%inclusion3 decks30 decks
-5%synergy
Oracle of Mul Daya
10%inclusion3 decks30 decks
1%synergy
Lotus Cobra
10%inclusion3 decks30 decks
-4%synergy
Faerie Mastermind
10%inclusion3 decks30 decks
6%synergy
Ledger Shredder
10%inclusion3 decks30 decks
8%synergy
Solemn Simulacrum
6.7%inclusion2 decks30 decks
0%synergy
Undercover Operative
6.7%inclusion2 decks30 decks
6%synergy
Evolution Witness
6.7%inclusion2 decks30 decks
3%synergy
Disciple of Freyalise
6.7%inclusion2 decks30 decks
2%synergy
Phyrexian Metamorph
6.7%inclusion2 decks30 decks
-2%synergy
Overlord of the Hauntwoods
6.7%inclusion2 decks30 decks
4%synergy
Avenger of Zendikar
6.7%inclusion2 decks30 decks
-11%synergy
Sphinx of the Second Sun
6.7%inclusion2 decks30 decks
5%synergy
Colossal Skyturtle
6.7%inclusion2 decks30 decks
1%synergy
Kinnan, Bonder Prodigy
6.7%inclusion2 decks30 decks
3%synergy
Esix, Fractal Bloom
6.7%inclusion2 decks30 decks
3%synergy
Archetype of Imagination
6.7%inclusion2 decks30 decks
2%synergy
Scute Swarm
6.7%inclusion2 decks30 decks
-14%synergy
Instants
An Offer You Can't Refuse
57%inclusion17 decks30 decks
34%synergy
Beast Within
57%inclusion17 decks30 decks
6%synergy
Swan Song
57%inclusion17 decks30 decks
38%synergy
Pongify
43%inclusion13 decks30 decks
19%synergy
Negate
43%inclusion13 decks30 decks
17%synergy
Growth Spiral
37%inclusion11 decks30 decks
-8%synergy
Double Major
37%inclusion11 decks30 decks
28%synergy
Second Harvest
33%inclusion10 decks30 decks
27%synergy
Rapid Hybridization
30%inclusion9 decks30 decks
4%synergy
Arcane Denial
30%inclusion9 decks30 decks
7%synergy
Sink into Stupor
30%inclusion9 decks30 decks
19%synergy
Force of Negation
27%inclusion8 decks30 decks
18%synergy
Return of the Wildspeaker
23%inclusion7 decks30 decks
13%synergy
Strix Serenade
23%inclusion7 decks30 decks
20%synergy
Crop Rotation
20%inclusion6 decks30 decks
7%synergy
Archdruid's Charm
20%inclusion6 decks30 decks
14%synergy
Chord of Calling
20%inclusion6 decks30 decks
12%synergy
Pact of Negation
20%inclusion6 decks30 decks
13%synergy
Planar Genesis
17%inclusion5 decks30 decks
6%synergy
Stubborn Denial
13%inclusion4 decks30 decks
11%synergy
Krosan Grip
13%inclusion4 decks30 decks
5%synergy
Mystic Reflection
13%inclusion4 decks30 decks
11%synergy
Nature's Claim
13%inclusion4 decks30 decks
3%synergy
Harrow
13%inclusion4 decks30 decks
1%synergy
Reality Shift
13%inclusion4 decks30 decks
-1%synergy
Return to Nature
13%inclusion4 decks30 decks
8%synergy
Noxious Revival
13%inclusion4 decks30 decks
7%synergy
Tamiyo's Safekeeping
13%inclusion4 decks30 decks
8%synergy
Voidslime
13%inclusion4 decks30 decks
8%synergy
Muddle the Mixture
10%inclusion3 decks30 decks
5%synergy
Disdainful Stroke
10%inclusion3 decks30 decks
8%synergy
Brainstorm
10%inclusion3 decks30 decks
-4%synergy
Sublime Epiphany
10%inclusion3 decks30 decks
8%synergy
Lazotep Plating
10%inclusion3 decks30 decks
9%synergy
Eureka Moment
6.7%inclusion2 decks30 decks
-4%synergy
Mental Misstep
6.7%inclusion2 decks30 decks
1%synergy
Fog
6.7%inclusion2 decks30 decks
3%synergy
Legolas's Quick Reflexes
6.7%inclusion2 decks30 decks
4%synergy
Force of Vigor
6.7%inclusion2 decks30 decks
2%synergy
Defabricate
6.7%inclusion2 decks30 decks
6%synergy
Roiling Regrowth
6.7%inclusion2 decks30 decks
2%synergy
Cancel
6.7%inclusion2 decks30 decks
5%synergy
Resculpt
6.7%inclusion2 decks30 decks
1%synergy
Disallow
6.7%inclusion2 decks30 decks
5%synergy
Filter Out
6.7%inclusion2 decks30 decks
4%synergy
Saw It Coming
6.7%inclusion2 decks30 decks
5%synergy
Joint Exploration
6.7%inclusion2 decks30 decks
1%synergy
Arachnogenesis
6.7%inclusion2 decks30 decks
5%synergy
Collective Resistance
6.7%inclusion2 decks30 decks
3%synergy
Once Upon a Time
6.7%inclusion2 decks30 decks
6%synergy
Sorceries
Skyshroud Claim
57%inclusion17 decks30 decks
48%synergy
Irenicus's Vile Duplication
47%inclusion14 decks30 decks
40%synergy
Finale of Devastation
33%inclusion10 decks30 decks
22%synergy
Quantum Misalignment
23%inclusion7 decks30 decks
20%synergy
Sea Gate Restoration
23%inclusion7 decks30 decks
18%synergy
Overwhelming Stampede
23%inclusion7 decks30 decks
11%synergy
Explosive Vegetation
20%inclusion6 decks30 decks
14%synergy
Migration Path
20%inclusion6 decks30 decks
17%synergy
Flare of Cultivation
17%inclusion5 decks30 decks
15%synergy
Bala Ged Recovery
17%inclusion5 decks30 decks
7%synergy
Into the North
13%inclusion4 decks30 decks
12%synergy
Rishkar's Expertise
13%inclusion4 decks30 decks
5%synergy
Search for Tomorrow
13%inclusion4 decks30 decks
9%synergy
Explore
13%inclusion4 decks30 decks
-7%synergy
Windfall
10%inclusion3 decks30 decks
6%synergy
Green Sun's Zenith
10%inclusion3 decks30 decks
1%synergy
Fabricate
10%inclusion3 decks30 decks
3%synergy
Curse of the Swine
10%inclusion3 decks30 decks
-1%synergy
Lórien Revealed
10%inclusion3 decks30 decks
7%synergy
Vastwood Surge
10%inclusion3 decks30 decks
9%synergy
Natural Order
10%inclusion3 decks30 decks
9%synergy
Expropriate
10%inclusion3 decks30 decks
8%synergy
Distant Melody
10%inclusion3 decks30 decks
7%synergy
Open the Way
10%inclusion3 decks30 decks
7%synergy
Triumph of the Hordes
6.7%inclusion2 decks30 decks
4%synergy
Turntimber Symbiosis
6.7%inclusion2 decks30 decks
4%synergy
Quasiduplicate
6.7%inclusion2 decks30 decks
4%synergy
Harmonize
6.7%inclusion2 decks30 decks
1%synergy
Personal Tutor
6.7%inclusion2 decks30 decks
6%synergy
Doppelgang
6.7%inclusion2 decks30 decks
0%synergy
Ezuri's Predation
6.7%inclusion2 decks30 decks
-1%synergy
Harvest Season
6.7%inclusion2 decks30 decks
5%synergy
Utility Artifacts
Lightning Greaves
47%inclusion14 decks30 decks
25%synergy
Swiftfoot Boots
40%inclusion12 decks30 decks
14%synergy
Helm of the Host
37%inclusion11 decks30 decks
31%synergy
The Great Henge
20%inclusion6 decks30 decks
11%synergy
Mirror Box
17%inclusion5 decks30 decks
13%synergy
Combine Chrysalis
13%inclusion4 decks30 decks
9%synergy
Static Orb
10%inclusion3 decks30 decks
10%synergy
Winter Orb
10%inclusion3 decks30 decks
10%synergy
Coat of Arms
10%inclusion3 decks30 decks
9%synergy
Skullclamp
10%inclusion3 decks30 decks
9%synergy
Eldrazi Monument
10%inclusion3 decks30 decks
9%synergy
Emerald Medallion
10%inclusion3 decks30 decks
7%synergy
Isochron Scepter
10%inclusion3 decks30 decks
8%synergy
Sapphire Medallion
10%inclusion3 decks30 decks
7%synergy
Nevinyrral's Disk
6.7%inclusion2 decks30 decks
6%synergy
Idol of Oblivion
6.7%inclusion2 decks30 decks
3%synergy
Enchantments
Mystic Remora
63%inclusion19 decks30 decks
48%synergy
Doubling Season
60%inclusion18 decks30 decks
50%synergy
Tribute to the World Tree
47%inclusion14 decks30 decks
40%synergy
Sylvan Library
33%inclusion10 decks30 decks
24%synergy
Exploration
23%inclusion7 decks30 decks
10%synergy
Kindred Discovery
17%inclusion5 decks30 decks
7%synergy
Beastmaster Ascension
17%inclusion5 decks30 decks
14%synergy
Opposition
17%inclusion5 decks30 decks
16%synergy
Defense of the Heart
17%inclusion5 decks30 decks
14%synergy
Wild Growth
13%inclusion4 decks30 decks
5%synergy
Unnatural Growth
13%inclusion4 decks30 decks
10%synergy
Kenrith's Transformation
13%inclusion4 decks30 decks
9%synergy
Dismiss into Dream
13%inclusion4 decks30 decks
13%synergy
Primal Vigor
13%inclusion4 decks30 decks
10%synergy
Utopia Sprawl
10%inclusion3 decks30 decks
3%synergy
Imprisoned in the Moon
10%inclusion3 decks30 decks
6%synergy
Growing Rites of Itlimoc
10%inclusion3 decks30 decks
4%synergy
Impostor Syndrome
10%inclusion1 decks10 decks
8%synergy
Cryptolith Rite
6.7%inclusion2 decks30 decks
4%synergy
Up the Beanstalk
6.7%inclusion2 decks30 decks
2%synergy
Carpet of Flowers
6.7%inclusion2 decks30 decks
4%synergy
Garruk's Uprising
6.7%inclusion2 decks30 decks
-10%synergy
Wizard Class
6.7%inclusion2 decks30 decks
1%synergy
Extravagant Replication
6.7%inclusion2 decks30 decks
4%synergy
Burgeoning
6.7%inclusion2 decks30 decks
0%synergy
Shark Typhoon
6.7%inclusion2 decks30 decks
6%synergy
Paradox Haze
6.7%inclusion2 decks30 decks
6%synergy
Moonlit Meditation
6.3%inclusion1 decks16 decks
5%synergy
Battles
Invasion of Zendikar
6.7%inclusion2 decks30 decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
47%inclusion14 decks30 decks
40%synergy
Vivien Reid
6.7%inclusion2 decks30 decks
5%synergy
Utility Lands
Yavimaya, Cradle of Growth
50%inclusion15 decks30 decks
28%synergy
Boseiju, Who Endures
50%inclusion15 decks30 decks
28%synergy
Reliquary Tower
50%inclusion15 decks30 decks
0%synergy
Command Beacon
40%inclusion12 decks30 decks
36%synergy
Castle Garenbrig
27%inclusion8 decks30 decks
22%synergy
Otawara, Soaring City
27%inclusion8 decks30 decks
8%synergy
Mistrise Village
24%inclusion6 decks25 decks
13%synergy
Evendo, Waking Haven
24%inclusion4 decks17 decks
18%synergy
Mystic Sanctuary
20%inclusion6 decks30 decks
7%synergy
Gaea's Cradle
20%inclusion6 decks30 decks
13%synergy
Three Tree City
20%inclusion6 decks30 decks
15%synergy
Field of the Dead
17%inclusion5 decks30 decks
10%synergy
Temple of the False God
17%inclusion5 decks30 decks
1%synergy
Restless Vinestalk
6.7%inclusion2 decks30 decks
1%synergy
Wasteland
6.7%inclusion2 decks30 decks
5%synergy
Alchemist's Refuge
6.7%inclusion2 decks30 decks
-11%synergy
Urza's Saga
6.7%inclusion2 decks30 decks
1%synergy
Mirrorpool
6.7%inclusion2 decks30 decks
6%synergy
Glacial Chasm
6.7%inclusion2 decks30 decks
5%synergy
Mosswort Bridge
6.7%inclusion2 decks30 decks
-11%synergy
Homeward Path
6.7%inclusion2 decks30 decks
5%synergy
Castle Vantress
6.7%inclusion2 decks30 decks
0%synergy
Rogue's Passage
6.7%inclusion2 decks30 decks
-15%synergy
Mana Artifacts
Sol Ring
97%inclusion29 decks30 decks
16%synergy
Arcane Signet
80%inclusion24 decks30 decks
17%synergy
Thought Vessel
47%inclusion14 decks30 decks
26%synergy
Talisman of Curiosity
27%inclusion8 decks30 decks
5%synergy
Simic Signet
23%inclusion7 decks30 decks
-9%synergy
Mana Vault
23%inclusion7 decks30 decks
17%synergy
Lotus Petal
10%inclusion3 decks30 decks
3%synergy
Basalt Monolith
10%inclusion3 decks30 decks
3%synergy
Thran Dynamo
10%inclusion3 decks30 decks
7%synergy
Pristine Talisman
6.7%inclusion2 decks30 decks
7%synergy
Fellwar Stone
6.7%inclusion2 decks30 decks
-3%synergy
Firemind Vessel
6.7%inclusion2 decks30 decks
7%synergy
Lands
Command Tower
97%inclusion29 decks30 decks
11%synergy
Island
90%inclusion27 decks30 decks
-5%synergy
Forest
90%inclusion27 decks30 decks
-5%synergy
Breeding Pool
87%inclusion26 decks30 decks
41%synergy
Rejuvenating Springs
77%inclusion23 decks30 decks
33%synergy
Hinterland Harbor
77%inclusion23 decks30 decks
17%synergy
Misty Rainforest
63%inclusion19 decks30 decks
32%synergy
Yavimaya Coast
60%inclusion18 decks30 decks
8%synergy
Barkchannel Pathway
60%inclusion18 decks30 decks
40%synergy
Dreamroot Cascade
57%inclusion17 decks30 decks
15%synergy
Simic Growth Chamber
50%inclusion15 decks30 decks
1%synergy
Flooded Grove
43%inclusion13 decks30 decks
3%synergy
Fabled Passage
40%inclusion12 decks30 decks
26%synergy
Hedge Maze
37%inclusion11 decks30 decks
17%synergy
Waterlogged Grove
33%inclusion10 decks30 decks
13%synergy
Tropical Island
33%inclusion10 decks30 decks
19%synergy
Myriad Landscape
30%inclusion9 decks30 decks
8%synergy
Vineglimmer Snarl
30%inclusion9 decks30 decks
-9%synergy
Sink into Stupor
30%inclusion9 decks30 decks
19%synergy
Willowrush Verge
28%inclusion8 decks29 decks
11%synergy
Prismatic Vista
27%inclusion8 decks30 decks
19%synergy
Sea Gate Restoration
23%inclusion7 decks30 decks
18%synergy
Snow-Covered Island
23%inclusion7 decks30 decks
16%synergy
Snow-Covered Forest
23%inclusion7 decks30 decks
17%synergy
Temple of Mystery
23%inclusion7 decks30 decks
-15%synergy
Rimewood Falls
23%inclusion7 decks30 decks
14%synergy
Botanical Sanctum
20%inclusion6 decks30 decks
8%synergy
Evolving Wilds
20%inclusion6 decks30 decks
-5%synergy
Windswept Heath
17%inclusion5 decks30 decks
6%synergy
Tangled Islet
17%inclusion5 decks30 decks
0%synergy
Reflecting Pool
17%inclusion5 decks30 decks
14%synergy
Bala Ged Recovery
17%inclusion5 decks30 decks
7%synergy
Exotic Orchard
13%inclusion4 decks30 decks
-11%synergy
Polluted Delta
13%inclusion4 decks30 decks
3%synergy
Flooded Strand
13%inclusion4 decks30 decks
2%synergy
Terramorphic Expanse
10%inclusion3 decks30 decks
-10%synergy
Hydroelectric Specimen
10%inclusion3 decks30 decks
4%synergy
Wooded Foothills
10%inclusion3 decks30 decks
0%synergy
Verdant Catacombs
10%inclusion3 decks30 decks
0%synergy
Talon Gates of Madara
10%inclusion3 decks30 decks
2%synergy
Blighted Woodland
6.7%inclusion2 decks30 decks
-1%synergy
Disciple of Freyalise
6.7%inclusion2 decks30 decks
2%synergy
Littjara Mirrorlake
6.7%inclusion2 decks30 decks
3%synergy
Turntimber Symbiosis
6.7%inclusion2 decks30 decks
4%synergy
Gemstone Caverns
6.7%inclusion2 decks30 decks
1%synergy
Glasspool Mimic
6.7%inclusion2 decks30 decks
2%synergy
Mana Confluence
6.7%inclusion2 decks30 decks
1%synergy
City of Brass
6.7%inclusion2 decks30 decks
1%synergy
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