Koma, Cosmos Serpent (Commander) - Ramp

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #304
175decks
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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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The Unagi of Kyoshi Island
18%inclusion9 decks50 decks
13%synergy
Sodden Verdure
13%inclusion1 decks8 decks
10%synergy
Rain-Slicked Copse
13%inclusion1 decks8 decks
11%synergy
Shared Roots
8.2%inclusion4 decks49 decks
5%synergy
Badgermole Cub
5.8%inclusion3 decks52 decks
1%synergy
High Synergy Cards
Adrix and Nev, Twincasters
78%inclusion136 decks175 decks
69%synergy
Elemental Bond
74%inclusion130 decks175 decks
69%synergy
Whelming Wave
77%inclusion134 decks175 decks
65%synergy
Spark Double
67%inclusion117 decks175 decks
57%synergy
Parallel Lives
60%inclusion105 decks175 decks
54%synergy
Serpent of Yawning Depths
57%inclusion100 decks175 decks
51%synergy
Sakashima of a Thousand Faces
54%inclusion95 decks175 decks
49%synergy
Irenicus's Vile Duplication
55%inclusion96 decks175 decks
49%synergy
Koma, World-Eater
57%inclusion82 decks144 decks
44%synergy
Spawning Kraken
51%inclusion89 decks175 decks
43%synergy
Top Cards
Cultivate
82%inclusion143 decks175 decks
35%synergy
Kodama's Reach
70%inclusion122 decks175 decks
34%synergy
Counterspell
69%inclusion120 decks175 decks
19%synergy
Rampant Growth
68%inclusion119 decks175 decks
27%synergy
Beast Within
64%inclusion112 decks175 decks
14%synergy
Heroic Intervention
63%inclusion111 decks175 decks
33%synergy
Nature's Lore
63%inclusion110 decks175 decks
32%synergy
Aesi, Tyrant of Gyre Strait
57%inclusion99 decks175 decks
39%synergy
Three Visits
55%inclusion97 decks175 decks
32%synergy
Growth Spiral
50%inclusion88 decks175 decks
6%synergy
Game Changers
Cyclonic Rift
54%inclusion95 decks175 decks
28%synergy
Rhystic Study
49%inclusion85 decks175 decks
27%synergy
Fierce Guardianship
42%inclusion74 decks175 decks
25%synergy
Worldly Tutor
28%inclusion49 decks175 decks
13%synergy
Seedborn Muse
28%inclusion49 decks175 decks
12%synergy
Consecrated Sphinx
27%inclusion48 decks175 decks
19%synergy
Force of Will
21%inclusion36 decks175 decks
10%synergy
Mystical Tutor
19%inclusion34 decks175 decks
10%synergy
Ancient Tomb
18%inclusion32 decks175 decks
9%synergy
Mana Vault
13%inclusion22 decks175 decks
6%synergy
Creatures
Junk Winder
49%inclusion86 decks175 decks
43%synergy
Birds of Paradise
49%inclusion85 decks175 decks
21%synergy
Craterhoof Behemoth
44%inclusion77 decks175 decks
34%synergy
Sakashima the Impostor
43%inclusion76 decks175 decks
41%synergy
Llanowar Elves
41%inclusion72 decks175 decks
13%synergy
Sakura-Tribe Elder
40%inclusion70 decks175 decks
21%synergy
Arixmethes, Slumbering Isle
39%inclusion69 decks175 decks
26%synergy
Tatyova, Benthic Druid
39%inclusion68 decks175 decks
8%synergy
Elvish Mystic
38%inclusion67 decks175 decks
14%synergy
Summon: Leviathan
33%inclusion33 decks99 decks
26%synergy
Roaming Throne
31%inclusion55 decks175 decks
23%synergy
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28%inclusion49 decks175 decks
26%synergy
Murkfiend Liege
27%inclusion48 decks175 decks
13%synergy
Eternal Witness
27%inclusion47 decks175 decks
6%synergy
Ohran Frostfang
26%inclusion45 decks175 decks
22%synergy
Hullbreaker Horror
26%inclusion45 decks175 decks
8%synergy
Fanatic of Rhonas
24%inclusion38 decks158 decks
18%synergy
Enduring Vitality
23%inclusion34 decks150 decks
15%synergy
Fyndhorn Elves
22%inclusion39 decks175 decks
7%synergy
Archetype of Imagination
21%inclusion37 decks175 decks
17%synergy
Octomancer
20%inclusion30 decks153 decks
15%synergy
Chameleon, Master of Disguise
19%inclusion14 decks72 decks
17%synergy
Coiling Oracle
19%inclusion34 decks175 decks
6%synergy
Slinn Voda, the Rising Deep
19%inclusion34 decks175 decks
13%synergy
Esix, Fractal Bloom
18%inclusion32 decks175 decks
14%synergy
Azusa, Lost but Seeking
18%inclusion31 decks175 decks
4%synergy
Uro, Titan of Nature's Wrath
16%inclusion28 decks175 decks
6%synergy
Saryth, the Viper's Fang
15%inclusion27 decks175 decks
14%synergy
Starwinder
15%inclusion13 decks85 decks
9%synergy
Toski, Bearer of Secrets
14%inclusion25 decks175 decks
11%synergy
Enduring Curiosity
14%inclusion21 decks150 decks
11%synergy
Scourge of Fleets
13%inclusion23 decks175 decks
5%synergy
Delighted Halfling
13%inclusion23 decks175 decks
2%synergy
Troyan, Gutsy Explorer
13%inclusion22 decks175 decks
9%synergy
Scute Swarm
13%inclusion22 decks175 decks
-8%synergy
Lotus Cobra
12%inclusion21 decks175 decks
-2%synergy
Glasspool Mimic
11%inclusion20 decks175 decks
7%synergy
Nezahal, Primal Tide
11%inclusion19 decks175 decks
0%synergy
Curiosity Crafter
10%inclusion18 decks175 decks
7%synergy
Xolatoyac, the Smiling Flood
10%inclusion18 decks175 decks
3%synergy
Avenger of Zendikar
10%inclusion18 decks175 decks
-7%synergy
Tireless Provisioner
10%inclusion18 decks175 decks
-5%synergy
Reclamation Sage
10%inclusion17 decks175 decks
-4%synergy
Circle of Dreams Druid
10%inclusion17 decks175 decks
7%synergy
Oracle of Mul Daya
10%inclusion17 decks175 decks
1%synergy
Gala Greeters
9.1%inclusion16 decks175 decks
8%synergy
Hydroelectric Specimen
9.0%inclusion14 decks156 decks
3%synergy
Rampaging Baloths
8.6%inclusion15 decks175 decks
-8%synergy
Phyrexian Metamorph
8.6%inclusion15 decks175 decks
-1%synergy
Nadir Kraken
8.6%inclusion15 decks175 decks
5%synergy
Instants
Negate
49%inclusion85 decks175 decks
23%synergy
Mana Drain
46%inclusion80 decks175 decks
30%synergy
An Offer You Can't Refuse
41%inclusion71 decks175 decks
17%synergy
Second Harvest
39%inclusion69 decks175 decks
33%synergy
Double Major
39%inclusion69 decks175 decks
31%synergy
Swan Song
36%inclusion63 decks175 decks
17%synergy
Pongify
35%inclusion62 decks175 decks
11%synergy
Rapid Hybridization
35%inclusion62 decks175 decks
9%synergy
Arcane Denial
34%inclusion59 decks175 decks
11%synergy
Return of the Wildspeaker
28%inclusion49 decks175 decks
18%synergy
Sink into Stupor
21%inclusion33 decks158 decks
9%synergy
Nature's Claim
21%inclusion36 decks175 decks
11%synergy
Planar Genesis
21%inclusion32 decks156 decks
10%synergy
Reality Shift
18%inclusion31 decks175 decks
3%synergy
Krosan Grip
17%inclusion30 decks175 decks
9%synergy
Harrow
17%inclusion30 decks175 decks
5%synergy
Tamiyo's Safekeeping
16%inclusion28 decks175 decks
10%synergy
Force of Negation
15%inclusion27 decks175 decks
7%synergy
Stubborn Denial
15%inclusion26 decks175 decks
12%synergy
Chord of Calling
14%inclusion24 decks175 decks
6%synergy
Simic Charm
14%inclusion24 decks175 decks
6%synergy
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-1%synergy
Resculpt
13%inclusion23 decks175 decks
7%synergy
Eureka Moment
13%inclusion22 decks175 decks
2%synergy
Archdruid's Charm
12%inclusion21 decks175 decks
6%synergy
Joint Exploration
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6%synergy
Pact of Negation
12%inclusion21 decks175 decks
5%synergy
Snakeskin Veil
11%inclusion20 decks175 decks
6%synergy
Plasm Capture
11%inclusion20 decks175 decks
8%synergy
Mystic Reflection
11%inclusion19 decks175 decks
8%synergy
Return to Nature
10%inclusion18 decks175 decks
5%synergy
Voidslime
10%inclusion18 decks175 decks
5%synergy
Collective Resistance
9.5%inclusion15 decks158 decks
6%synergy
Tyvar's Stand
9.1%inclusion16 decks175 decks
6%synergy
Entish Restoration
8.6%inclusion15 decks175 decks
-1%synergy
Crop Rotation
8.0%inclusion14 decks175 decks
-5%synergy
Rewind
8.0%inclusion14 decks175 decks
5%synergy
Sublime Epiphany
7.4%inclusion13 decks175 decks
5%synergy
Aetherize
7.4%inclusion13 decks175 decks
-4%synergy
Noxious Revival
7.4%inclusion13 decks175 decks
1%synergy
Strix Serenade
7.0%inclusion11 decks158 decks
3%synergy
Force of Vigor
6.9%inclusion12 decks175 decks
2%synergy
Slip Out the Back
6.3%inclusion11 decks175 decks
3%synergy
Perplexing Test
6.3%inclusion11 decks175 decks
2%synergy
Disallow
6.3%inclusion11 decks175 decks
5%synergy
Lazotep Plating
6.3%inclusion11 decks175 decks
6%synergy
Refute
6.3%inclusion9 decks144 decks
4%synergy
Consult the Star Charts
5.8%inclusion5 decks86 decks
4%synergy
Legolas's Quick Reflexes
5.7%inclusion10 decks175 decks
3%synergy
Decisive Denial
5.7%inclusion10 decks175 decks
1%synergy
Sorceries
Farseek
49%inclusion85 decks175 decks
24%synergy
Skyshroud Claim
47%inclusion82 decks175 decks
38%synergy
Quantum Misalignment
28%inclusion49 decks175 decks
25%synergy
Explore
27%inclusion47 decks175 decks
7%synergy
Overwhelming Stampede
25%inclusion43 decks175 decks
12%synergy
Bala Ged Recovery
19%inclusion34 decks175 decks
9%synergy
Migration Path
18%inclusion31 decks175 decks
14%synergy
Triumph of the Hordes
17%inclusion30 decks175 decks
14%synergy
Sea Gate Restoration
15%inclusion27 decks175 decks
10%synergy
Finale of Devastation
15%inclusion26 decks175 decks
3%synergy
Flare of Cultivation
13%inclusion22 decks167 decks
11%synergy
Rishkar's Expertise
12%inclusion21 decks175 decks
4%synergy
Explosive Vegetation
12%inclusion21 decks175 decks
6%synergy
Urban Evolution
11%inclusion19 decks175 decks
1%synergy
Shamanic Revelation
11%inclusion19 decks175 decks
6%synergy
Regrowth
11%inclusion19 decks175 decks
7%synergy
Rite of Replication
11%inclusion19 decks175 decks
4%synergy
Ponder
10%inclusion17 decks175 decks
3%synergy
Harmonize
10%inclusion17 decks175 decks
4%synergy
Bridgeworks Battle
8.2%inclusion13 decks158 decks
3%synergy
Curse of the Swine
8.0%inclusion14 decks175 decks
-3%synergy
Distant Melody
8.0%inclusion14 decks175 decks
5%synergy
Into the North
8.0%inclusion14 decks175 decks
7%synergy
Green Sun's Zenith
7.4%inclusion13 decks175 decks
-1%synergy
Doppelgang
7.4%inclusion13 decks175 decks
1%synergy
Turntimber Symbiosis
6.9%inclusion12 decks175 decks
5%synergy
Open the Way
6.9%inclusion12 decks175 decks
4%synergy
Raise the Palisade
6.9%inclusion12 decks175 decks
1%synergy
Search for Tomorrow
6.3%inclusion11 decks175 decks
2%synergy
Vastwood Surge
5.7%inclusion10 decks175 decks
5%synergy
Preordain
5.7%inclusion10 decks175 decks
-2%synergy
Windfall
5.1%inclusion9 decks175 decks
1%synergy
Lórien Revealed
5.1%inclusion9 decks175 decks
2%synergy
Quasiduplicate
5.1%inclusion9 decks175 decks
3%synergy
Ezuri's Predation
5.1%inclusion9 decks175 decks
-2%synergy
Utility Artifacts
Lightning Greaves
46%inclusion81 decks175 decks
25%synergy
Swiftfoot Boots
45%inclusion78 decks175 decks
19%synergy
Helm of the Host
33%inclusion57 decks175 decks
27%synergy
Combine Chrysalis
22%inclusion39 decks175 decks
18%synergy
Mirror Box
15%inclusion27 decks175 decks
12%synergy
Emerald Medallion
14%inclusion24 decks175 decks
11%synergy
The Great Henge
13%inclusion23 decks175 decks
4%synergy
Sapphire Medallion
11%inclusion20 decks175 decks
8%synergy
The One Ring
10%inclusion18 decks175 decks
3%synergy
Eldrazi Monument
10%inclusion18 decks175 decks
10%synergy
Coat of Arms
9.1%inclusion16 decks175 decks
8%synergy
Idol of Oblivion
9.1%inclusion16 decks175 decks
6%synergy
Skullclamp
6.9%inclusion12 decks175 decks
6%synergy
Bident of Thassa
6.3%inclusion11 decks175 decks
-1%synergy
Winter Orb
5.1%inclusion9 decks175 decks
5%synergy
Enchantments
Doubling Season
49%inclusion86 decks175 decks
40%synergy
Tribute to the World Tree
46%inclusion80 decks175 decks
39%synergy
Mystic Remora
38%inclusion66 decks175 decks
22%synergy
Kindred Discovery
30%inclusion53 decks175 decks
21%synergy
Primal Vigor
20%inclusion35 decks175 decks
17%synergy
Sylvan Library
19%inclusion34 decks175 decks
10%synergy
Beastmaster Ascension
18%inclusion32 decks175 decks
15%synergy
Exploration
18%inclusion31 decks175 decks
4%synergy
Growing Rites of Itlimoc
16%inclusion28 decks175 decks
10%synergy
Propaganda
14%inclusion25 decks175 decks
8%synergy
Impostor Syndrome
14%inclusion10 decks72 decks
12%synergy
Utopia Sprawl
13%inclusion23 decks175 decks
7%synergy
Wilderness Reclamation
13%inclusion23 decks175 decks
4%synergy
Unnatural Growth
13%inclusion23 decks175 decks
10%synergy
Garruk's Uprising
13%inclusion23 decks175 decks
-3%synergy
Wild Growth
13%inclusion22 decks175 decks
4%synergy
Paradox Haze
13%inclusion22 decks175 decks
12%synergy
Cryptolith Rite
11%inclusion20 decks175 decks
8%synergy
Burgeoning
11%inclusion19 decks175 decks
4%synergy
Imprisoned in the Moon
10%inclusion17 decks175 decks
6%synergy
Asceticism
9.1%inclusion16 decks175 decks
6%synergy
Verity Circle
8.6%inclusion15 decks175 decks
8%synergy
Kenrith's Transformation
8.6%inclusion15 decks175 decks
4%synergy
Moonlit Meditation
8.2%inclusion7 decks85 decks
7%synergy
Defense of the Heart
8.0%inclusion14 decks175 decks
6%synergy
Opposition
8.0%inclusion14 decks175 decks
8%synergy
Dismiss into Dream
6.9%inclusion12 decks175 decks
7%synergy
Ominous Seas
5.7%inclusion10 decks175 decks
1%synergy
Battles
Invasion of Zendikar
7.4%inclusion13 decks175 decks
6%synergy
Planeswalkers
Oko, Thief of Crowns
33%inclusion58 decks175 decks
26%synergy
Utility Lands
Reliquary Tower
61%inclusion107 decks175 decks
11%synergy
Boseiju, Who Endures
36%inclusion63 decks175 decks
14%synergy
Yavimaya, Cradle of Growth
31%inclusion55 decks175 decks
9%synergy
Otawara, Soaring City
27%inclusion48 decks175 decks
8%synergy
Command Beacon
23%inclusion41 decks175 decks
19%synergy
Temple of the False God
23%inclusion41 decks175 decks
8%synergy
Mistrise Village
20%inclusion22 decks111 decks
9%synergy
Mystic Sanctuary
18%inclusion32 decks175 decks
6%synergy
Three Tree City
16%inclusion25 decks155 decks
11%synergy
Mosswort Bridge
15%inclusion26 decks175 decks
-2%synergy
Castle Garenbrig
15%inclusion26 decks175 decks
10%synergy
Alchemist's Refuge
14%inclusion25 decks175 decks
-3%synergy
Evendo, Waking Haven
12%inclusion10 decks86 decks
6%synergy
Rogue's Passage
11%inclusion19 decks175 decks
-11%synergy
Gaea's Cradle
9.1%inclusion16 decks175 decks
2%synergy
Scavenger Grounds
9.1%inclusion16 decks175 decks
5%synergy
Castle Vantress
8.0%inclusion14 decks175 decks
1%synergy
Bonders' Enclave
6.3%inclusion11 decks175 decks
5%synergy
Restless Vinestalk
5.7%inclusion10 decks175 decks
0%synergy
Field of the Dead
5.7%inclusion10 decks175 decks
0%synergy
Urza's Saga
5.1%inclusion9 decks175 decks
-1%synergy
Mana Artifacts
Sol Ring
91%inclusion159 decks175 decks
10%synergy
Arcane Signet
71%inclusion124 decks175 decks
8%synergy
Thought Vessel
39%inclusion68 decks175 decks
19%synergy
Talisman of Curiosity
32%inclusion56 decks175 decks
10%synergy
Simic Signet
30%inclusion52 decks175 decks
-2%synergy
Fellwar Stone
9.1%inclusion16 decks175 decks
-1%synergy
Thran Dynamo
7.4%inclusion13 decks175 decks
5%synergy
Commander's Sphere
5.1%inclusion9 decks175 decks
-3%synergy
Decanter of Endless Water
5.1%inclusion9 decks175 decks
0%synergy
Lands
Command Tower
94%inclusion164 decks175 decks
8%synergy
Island
91%inclusion160 decks175 decks
-4%synergy
Forest
91%inclusion160 decks175 decks
-4%synergy
Hinterland Harbor
74%inclusion129 decks175 decks
14%synergy
Breeding Pool
67%inclusion118 decks175 decks
21%synergy
Rejuvenating Springs
61%inclusion107 decks175 decks
17%synergy
Dreamroot Cascade
60%inclusion105 decks175 decks
18%synergy
Yavimaya Coast
59%inclusion103 decks175 decks
6%synergy
Simic Growth Chamber
55%inclusion96 decks175 decks
7%synergy
Flooded Grove
50%inclusion88 decks175 decks
9%synergy
Misty Rainforest
45%inclusion79 decks175 decks
14%synergy
Barkchannel Pathway
45%inclusion78 decks175 decks
24%synergy
Vineglimmer Snarl
34%inclusion60 decks175 decks
-4%synergy
Temple of Mystery
34%inclusion59 decks175 decks
-4%synergy
Willowrush Verge
32%inclusion42 decks131 decks
15%synergy
Waterlogged Grove
31%inclusion55 decks175 decks
11%synergy
Hedge Maze
30%inclusion52 decks175 decks
10%synergy
Myriad Landscape
27%inclusion48 decks175 decks
6%synergy
Fabled Passage
22%inclusion39 decks175 decks
8%synergy
Tangled Islet
22%inclusion39 decks175 decks
6%synergy
Rimewood Falls
21%inclusion37 decks175 decks
12%synergy
Sink into Stupor
21%inclusion33 decks158 decks
9%synergy
Tropical Island
21%inclusion36 decks175 decks
6%synergy
Exotic Orchard
20%inclusion35 decks175 decks
-4%synergy
Bala Ged Recovery
19%inclusion34 decks175 decks
9%synergy
Snow-Covered Forest
18%inclusion31 decks175 decks
11%synergy
Evolving Wilds
18%inclusion31 decks175 decks
-7%synergy
Snow-Covered Island
16%inclusion28 decks175 decks
9%synergy
Sea Gate Restoration
15%inclusion27 decks175 decks
10%synergy
Botanical Sanctum
15%inclusion27 decks175 decks
3%synergy
Prismatic Vista
14%inclusion25 decks175 decks
7%synergy
Overflowing Basin
14%inclusion24 decks168 decks
-5%synergy
Windswept Heath
11%inclusion20 decks175 decks
1%synergy
Verdant Catacombs
11%inclusion20 decks175 decks
2%synergy
Terramorphic Expanse
11%inclusion20 decks175 decks
-8%synergy
Glasspool Mimic
11%inclusion20 decks175 decks
7%synergy
Thornwood Falls
11%inclusion19 decks175 decks
-7%synergy
Blighted Woodland
11%inclusion19 decks175 decks
4%synergy
Flooded Strand
11%inclusion19 decks175 decks
0%synergy
Polluted Delta
9.1%inclusion16 decks175 decks
-1%synergy
Hydroelectric Specimen
9.0%inclusion14 decks156 decks
3%synergy
Bridgeworks Battle
8.2%inclusion13 decks158 decks
3%synergy
Path of Ancestry
8.0%inclusion14 decks175 decks
-9%synergy
Disciple of Freyalise
7.6%inclusion12 decks158 decks
3%synergy
Littjara Mirrorlake
7.4%inclusion13 decks175 decks
4%synergy
Wooded Foothills
7.4%inclusion13 decks175 decks
-2%synergy
Turntimber Symbiosis
6.9%inclusion12 decks175 decks
5%synergy
Demolition Field
6.9%inclusion12 decks175 decks
4%synergy
Scalding Tarn
6.9%inclusion12 decks175 decks
-3%synergy
City of Brass
6.3%inclusion11 decks175 decks
0%synergy
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