Koma, Cosmos Serpent (Commander) - Ramp

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #299
169decks
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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
13%inclusion4 decks30 decks
8%synergy
Shared Roots
10%inclusion3 decks29 decks
7%synergy
Badgermole Cub
9.4%inclusion3 decks32 decks
5%synergy
Crashing Wave
3.7%inclusion1 decks27 decks
3%synergy
Ember Island Production
3.6%inclusion1 decks28 decks
3%synergy
High Synergy Cards
Adrix and Nev, Twincasters
78%inclusion131 decks169 decks
69%synergy
Elemental Bond
73%inclusion124 decks169 decks
68%synergy
Whelming Wave
76%inclusion129 decks169 decks
65%synergy
Spark Double
69%inclusion116 decks169 decks
59%synergy
Parallel Lives
60%inclusion102 decks169 decks
54%synergy
Sakashima of a Thousand Faces
55%inclusion93 decks169 decks
50%synergy
Serpent of Yawning Depths
56%inclusion95 decks169 decks
50%synergy
Irenicus's Vile Duplication
54%inclusion91 decks169 decks
48%synergy
Junk Winder
49%inclusion83 decks169 decks
42%synergy
Sakashima the Impostor
45%inclusion76 decks169 decks
42%synergy
Top Cards
Cultivate
82%inclusion139 decks169 decks
35%synergy
Kodama's Reach
70%inclusion118 decks169 decks
33%synergy
Counterspell
68%inclusion115 decks169 decks
18%synergy
Rampant Growth
67%inclusion114 decks169 decks
27%synergy
Heroic Intervention
65%inclusion110 decks169 decks
35%synergy
Beast Within
63%inclusion107 decks169 decks
13%synergy
Nature's Lore
63%inclusion107 decks169 decks
33%synergy
Aesi, Tyrant of Gyre Strait
56%inclusion95 decks169 decks
39%synergy
Three Visits
56%inclusion94 decks169 decks
33%synergy
Koma, World-Eater
53%inclusion71 decks133 decks
40%synergy
Game Changers
Cyclonic Rift
55%inclusion93 decks169 decks
29%synergy
Rhystic Study
48%inclusion81 decks169 decks
26%synergy
Fierce Guardianship
41%inclusion70 decks169 decks
24%synergy
Seedborn Muse
29%inclusion49 decks169 decks
13%synergy
Worldly Tutor
29%inclusion49 decks169 decks
14%synergy
Consecrated Sphinx
28%inclusion47 decks169 decks
19%synergy
Force of Will
21%inclusion35 decks169 decks
11%synergy
Mystical Tutor
20%inclusion33 decks169 decks
10%synergy
Ancient Tomb
19%inclusion32 decks169 decks
10%synergy
Mana Vault
12%inclusion20 decks169 decks
6%synergy
Creatures
Spawning Kraken
50%inclusion84 decks169 decks
42%synergy
Birds of Paradise
49%inclusion83 decks169 decks
21%synergy
Craterhoof Behemoth
42%inclusion71 decks169 decks
33%synergy
Sakura-Tribe Elder
41%inclusion70 decks169 decks
22%synergy
Llanowar Elves
40%inclusion67 decks169 decks
12%synergy
Tatyova, Benthic Druid
38%inclusion64 decks169 decks
7%synergy
Arixmethes, Slumbering Isle
37%inclusion63 decks169 decks
24%synergy
Elvish Mystic
37%inclusion62 decks169 decks
13%synergy
Summon: Leviathan
31%inclusion27 decks86 decks
24%synergy
Roaming Throne
31%inclusion52 decks169 decks
23%synergy
Garruk's Packleader
28%inclusion47 decks169 decks
26%synergy
Eternal Witness
27%inclusion45 decks169 decks
5%synergy
Murkfiend Liege
27%inclusion45 decks169 decks
12%synergy
Hullbreaker Horror
26%inclusion44 decks169 decks
8%synergy
Ohran Frostfang
25%inclusion42 decks169 decks
21%synergy
Fyndhorn Elves
24%inclusion40 decks169 decks
8%synergy
Fanatic of Rhonas
22%inclusion33 decks147 decks
17%synergy
Enduring Vitality
22%inclusion30 decks139 decks
14%synergy
Coiling Oracle
20%inclusion34 decks169 decks
7%synergy
Octomancer
20%inclusion28 decks142 decks
15%synergy
Slinn Voda, the Rising Deep
20%inclusion33 decks169 decks
13%synergy
Archetype of Imagination
19%inclusion32 decks169 decks
15%synergy
Esix, Fractal Bloom
18%inclusion30 decks169 decks
14%synergy
Chameleon, Master of Disguise
18%inclusion10 decks57 decks
15%synergy
Uro, Titan of Nature's Wrath
17%inclusion28 decks169 decks
7%synergy
Azusa, Lost but Seeking
16%inclusion27 decks169 decks
2%synergy
Toski, Bearer of Secrets
16%inclusion27 decks169 decks
13%synergy
Saryth, the Viper's Fang
15%inclusion26 decks169 decks
14%synergy
Delighted Halfling
15%inclusion26 decks169 decks
4%synergy
Starwinder
14%inclusion10 decks72 decks
7%synergy
Enduring Curiosity
14%inclusion19 decks139 decks
10%synergy
Scourge of Fleets
13%inclusion22 decks169 decks
5%synergy
Scute Swarm
12%inclusion21 decks169 decks
-9%synergy
Nezahal, Primal Tide
12%inclusion21 decks169 decks
1%synergy
Lotus Cobra
12%inclusion20 decks169 decks
-2%synergy
Glasspool Mimic
12%inclusion20 decks169 decks
8%synergy
Curiosity Crafter
11%inclusion19 decks169 decks
8%synergy
Troyan, Gutsy Explorer
11%inclusion19 decks169 decks
8%synergy
Avenger of Zendikar
11%inclusion19 decks169 decks
-7%synergy
Reclamation Sage
11%inclusion18 decks169 decks
-4%synergy
Xolatoyac, the Smiling Flood
11%inclusion18 decks169 decks
3%synergy
Tireless Provisioner
10%inclusion17 decks169 decks
-5%synergy
Oracle of Mul Daya
9.5%inclusion16 decks169 decks
1%synergy
Hydroelectric Specimen
9.0%inclusion13 decks145 decks
3%synergy
Circle of Dreams Druid
8.9%inclusion15 decks169 decks
7%synergy
Phyrexian Metamorph
8.9%inclusion15 decks169 decks
0%synergy
Nadir Kraken
8.9%inclusion15 decks169 decks
5%synergy
Gala Greeters
8.9%inclusion15 decks169 decks
7%synergy
Skyserpent Seeker
8.5%inclusion10 decks118 decks
6%synergy
Rampaging Baloths
8.3%inclusion14 decks169 decks
-9%synergy
Instants
Growth Spiral
51%inclusion87 decks169 decks
7%synergy
Negate
47%inclusion80 decks169 decks
21%synergy
Mana Drain
46%inclusion77 decks169 decks
30%synergy
An Offer You Can't Refuse
40%inclusion68 decks169 decks
17%synergy
Second Harvest
40%inclusion67 decks169 decks
33%synergy
Double Major
39%inclusion66 decks169 decks
31%synergy
Swan Song
37%inclusion62 decks169 decks
18%synergy
Pongify
37%inclusion62 decks169 decks
12%synergy
Arcane Denial
36%inclusion61 decks169 decks
14%synergy
Rapid Hybridization
36%inclusion60 decks169 decks
9%synergy
Return of the Wildspeaker
29%inclusion49 decks169 decks
19%synergy
Sink into Stupor
22%inclusion33 decks147 decks
11%synergy
Nature's Claim
21%inclusion35 decks169 decks
11%synergy
Reality Shift
20%inclusion34 decks169 decks
6%synergy
Planar Genesis
19%inclusion28 decks145 decks
8%synergy
Krosan Grip
17%inclusion29 decks169 decks
9%synergy
Harrow
17%inclusion29 decks169 decks
5%synergy
Tamiyo's Safekeeping
17%inclusion28 decks169 decks
11%synergy
Force of Negation
16%inclusion27 decks169 decks
7%synergy
Chord of Calling
14%inclusion24 decks169 decks
6%synergy
Resculpt
14%inclusion24 decks169 decks
8%synergy
Simic Charm
14%inclusion24 decks169 decks
6%synergy
Brainstorm
14%inclusion23 decks169 decks
-1%synergy
Stubborn Denial
14%inclusion23 decks169 decks
11%synergy
Eureka Moment
13%inclusion22 decks169 decks
2%synergy
Pact of Negation
13%inclusion22 decks169 decks
6%synergy
Snakeskin Veil
13%inclusion22 decks169 decks
7%synergy
Archdruid's Charm
13%inclusion21 decks167 decks
6%synergy
Joint Exploration
12%inclusion21 decks169 decks
7%synergy
Plasm Capture
12%inclusion20 decks169 decks
8%synergy
Voidslime
12%inclusion20 decks169 decks
7%synergy
Return to Nature
11%inclusion18 decks169 decks
5%synergy
Mystic Reflection
11%inclusion18 decks169 decks
8%synergy
Collective Resistance
10%inclusion14 decks147 decks
6%synergy
Tyvar's Stand
8.9%inclusion15 decks169 decks
6%synergy
Entish Restoration
8.9%inclusion15 decks169 decks
-1%synergy
Noxious Revival
8.3%inclusion14 decks169 decks
2%synergy
Rewind
8.3%inclusion14 decks169 decks
5%synergy
Crop Rotation
7.7%inclusion13 decks169 decks
-6%synergy
Aetherize
7.7%inclusion13 decks169 decks
-4%synergy
Disallow
7.7%inclusion13 decks169 decks
6%synergy
Strix Serenade
6.8%inclusion10 decks147 decks
3%synergy
Refute
6.8%inclusion9 decks133 decks
5%synergy
Sublime Epiphany
6.5%inclusion11 decks169 decks
4%synergy
Force of Vigor
6.5%inclusion11 decks169 decks
2%synergy
Perplexing Test
6.5%inclusion11 decks169 decks
2%synergy
Auroral Procession
6.1%inclusion6 decks98 decks
2%synergy
Narset's Reversal
5.9%inclusion10 decks169 decks
4%synergy
Decisive Denial
5.9%inclusion10 decks169 decks
1%synergy
Slip Out the Back
5.9%inclusion10 decks169 decks
2%synergy
Sorceries
Farseek
51%inclusion86 decks169 decks
26%synergy
Skyshroud Claim
47%inclusion80 decks169 decks
38%synergy
Quantum Misalignment
28%inclusion48 decks169 decks
25%synergy
Explore
27%inclusion46 decks169 decks
7%synergy
Overwhelming Stampede
24%inclusion40 decks169 decks
11%synergy
Bala Ged Recovery
20%inclusion34 decks169 decks
10%synergy
Migration Path
18%inclusion31 decks169 decks
15%synergy
Sea Gate Restoration
16%inclusion27 decks169 decks
11%synergy
Triumph of the Hordes
15%inclusion26 decks169 decks
12%synergy
Finale of Devastation
15%inclusion25 decks169 decks
3%synergy
Flare of Cultivation
14%inclusion22 decks159 decks
12%synergy
Rishkar's Expertise
14%inclusion23 decks169 decks
5%synergy
Shamanic Revelation
12%inclusion21 decks169 decks
7%synergy
Explosive Vegetation
12%inclusion20 decks169 decks
6%synergy
Rite of Replication
12%inclusion20 decks169 decks
5%synergy
Regrowth
11%inclusion19 decks169 decks
7%synergy
Urban Evolution
11%inclusion18 decks169 decks
1%synergy
Ponder
10%inclusion17 decks169 decks
3%synergy
Curse of the Swine
8.9%inclusion15 decks169 decks
-2%synergy
Harmonize
8.9%inclusion15 decks169 decks
3%synergy
Green Sun's Zenith
8.3%inclusion14 decks169 decks
0%synergy
Into the North
8.3%inclusion14 decks169 decks
7%synergy
Distant Melody
8.3%inclusion14 decks169 decks
5%synergy
Bridgeworks Battle
8.2%inclusion12 decks147 decks
3%synergy
Doppelgang
7.2%inclusion12 decks167 decks
1%synergy
Turntimber Symbiosis
7.1%inclusion12 decks169 decks
5%synergy
Open the Way
7.1%inclusion12 decks169 decks
5%synergy
Search for Tomorrow
6.5%inclusion11 decks169 decks
2%synergy
Raise the Palisade
6.5%inclusion11 decks169 decks
0%synergy
Windfall
5.9%inclusion10 decks169 decks
2%synergy
Preordain
5.9%inclusion10 decks169 decks
-2%synergy
Lórien Revealed
5.3%inclusion9 decks169 decks
2%synergy
Vastwood Surge
5.3%inclusion9 decks169 decks
4%synergy
Ezuri's Predation
5.3%inclusion9 decks169 decks
-2%synergy
Utility Artifacts
Swiftfoot Boots
46%inclusion78 decks169 decks
20%synergy
Lightning Greaves
45%inclusion76 decks169 decks
23%synergy
Helm of the Host
31%inclusion52 decks169 decks
25%synergy
Combine Chrysalis
23%inclusion39 decks169 decks
19%synergy
The Great Henge
15%inclusion25 decks169 decks
6%synergy
Mirror Box
14%inclusion23 decks169 decks
10%synergy
Emerald Medallion
12%inclusion20 decks169 decks
9%synergy
The One Ring
11%inclusion18 decks169 decks
3%synergy
Sapphire Medallion
11%inclusion18 decks169 decks
7%synergy
Idol of Oblivion
9.5%inclusion16 decks169 decks
6%synergy
Coat of Arms
9.5%inclusion16 decks169 decks
8%synergy
Skullclamp
7.7%inclusion13 decks169 decks
7%synergy
Eldrazi Monument
7.7%inclusion13 decks169 decks
7%synergy
Winter Orb
5.9%inclusion10 decks169 decks
6%synergy
Bident of Thassa
5.9%inclusion10 decks169 decks
-1%synergy
Enchantments
Doubling Season
49%inclusion83 decks169 decks
40%synergy
Tribute to the World Tree
46%inclusion77 decks169 decks
39%synergy
Mystic Remora
40%inclusion68 decks169 decks
25%synergy
Kindred Discovery
30%inclusion51 decks169 decks
20%synergy
Sylvan Library
20%inclusion33 decks169 decks
10%synergy
Primal Vigor
20%inclusion33 decks169 decks
16%synergy
Beastmaster Ascension
19%inclusion32 decks169 decks
16%synergy
Exploration
18%inclusion30 decks169 decks
4%synergy
Growing Rites of Itlimoc
15%inclusion26 decks169 decks
9%synergy
Garruk's Uprising
14%inclusion24 decks169 decks
-2%synergy
Utopia Sprawl
13%inclusion22 decks169 decks
6%synergy
Propaganda
13%inclusion22 decks169 decks
6%synergy
Wild Growth
12%inclusion21 decks169 decks
4%synergy
Unnatural Growth
12%inclusion21 decks169 decks
9%synergy
Burgeoning
12%inclusion21 decks169 decks
5%synergy
Paradox Haze
12%inclusion21 decks169 decks
12%synergy
Impostor Syndrome
12%inclusion7 decks58 decks
10%synergy
Wilderness Reclamation
12%inclusion20 decks169 decks
3%synergy
Cryptolith Rite
11%inclusion19 decks169 decks
8%synergy
Verity Circle
9.5%inclusion16 decks169 decks
9%synergy
Imprisoned in the Moon
9.5%inclusion16 decks169 decks
5%synergy
Asceticism
9.5%inclusion16 decks169 decks
6%synergy
Kenrith's Transformation
8.9%inclusion15 decks169 decks
4%synergy
Opposition
8.9%inclusion15 decks169 decks
8%synergy
Moonlit Meditation
8.3%inclusion6 decks72 decks
7%synergy
Dismiss into Dream
7.7%inclusion13 decks169 decks
7%synergy
Defense of the Heart
7.1%inclusion12 decks169 decks
5%synergy
Ominous Seas
5.9%inclusion10 decks169 decks
2%synergy
Battles
Invasion of Zendikar
8.3%inclusion14 decks169 decks
6%synergy
Planeswalkers
Oko, Thief of Crowns
33%inclusion55 decks169 decks
25%synergy
Utility Lands
Reliquary Tower
59%inclusion100 decks169 decks
9%synergy
Boseiju, Who Endures
37%inclusion62 decks169 decks
14%synergy
Yavimaya, Cradle of Growth
32%inclusion54 decks169 decks
10%synergy
Otawara, Soaring City
28%inclusion47 decks169 decks
9%synergy
Command Beacon
24%inclusion40 decks169 decks
20%synergy
Temple of the False God
23%inclusion39 decks169 decks
8%synergy
Mistrise Village
19%inclusion19 decks98 decks
9%synergy
Mystic Sanctuary
18%inclusion31 decks169 decks
6%synergy
Alchemist's Refuge
16%inclusion27 decks169 decks
-1%synergy
Three Tree City
16%inclusion23 decks144 decks
11%synergy
Castle Garenbrig
15%inclusion26 decks169 decks
11%synergy
Mosswort Bridge
15%inclusion25 decks169 decks
-3%synergy
Evendo, Waking Haven
14%inclusion10 decks73 decks
8%synergy
Rogue's Passage
11%inclusion18 decks169 decks
-11%synergy
Gaea's Cradle
9.5%inclusion16 decks169 decks
2%synergy
Scavenger Grounds
8.9%inclusion15 decks169 decks
5%synergy
Castle Vantress
7.7%inclusion13 decks169 decks
1%synergy
Restless Vinestalk
5.9%inclusion10 decks169 decks
0%synergy
Field of the Dead
5.9%inclusion10 decks169 decks
0%synergy
Bonders' Enclave
5.9%inclusion10 decks169 decks
4%synergy
Mana Artifacts
Sol Ring
91%inclusion154 decks169 decks
11%synergy
Arcane Signet
72%inclusion121 decks169 decks
9%synergy
Thought Vessel
38%inclusion64 decks169 decks
18%synergy
Simic Signet
32%inclusion54 decks169 decks
0%synergy
Talisman of Curiosity
31%inclusion52 decks169 decks
9%synergy
Fellwar Stone
8.3%inclusion14 decks169 decks
-1%synergy
Thran Dynamo
7.1%inclusion12 decks169 decks
4%synergy
Commander's Sphere
5.3%inclusion9 decks169 decks
-3%synergy
Decanter of Endless Water
5.3%inclusion9 decks169 decks
0%synergy
Lands
Command Tower
94%inclusion159 decks169 decks
9%synergy
Island
91%inclusion153 decks169 decks
-5%synergy
Forest
91%inclusion153 decks169 decks
-5%synergy
Hinterland Harbor
73%inclusion123 decks169 decks
13%synergy
Breeding Pool
67%inclusion113 decks169 decks
21%synergy
Rejuvenating Springs
62%inclusion104 decks169 decks
18%synergy
Dreamroot Cascade
60%inclusion101 decks169 decks
18%synergy
Yavimaya Coast
58%inclusion98 decks169 decks
6%synergy
Simic Growth Chamber
54%inclusion92 decks169 decks
6%synergy
Flooded Grove
49%inclusion83 decks169 decks
8%synergy
Misty Rainforest
48%inclusion81 decks169 decks
17%synergy
Barkchannel Pathway
45%inclusion76 decks169 decks
25%synergy
Vineglimmer Snarl
34%inclusion57 decks169 decks
-5%synergy
Temple of Mystery
33%inclusion55 decks169 decks
-6%synergy
Waterlogged Grove
31%inclusion53 decks169 decks
11%synergy
Hedge Maze
31%inclusion51 decks167 decks
11%synergy
Willowrush Verge
30%inclusion36 decks119 decks
14%synergy
Myriad Landscape
27%inclusion46 decks169 decks
5%synergy
Fabled Passage
24%inclusion41 decks169 decks
10%synergy
Sink into Stupor
22%inclusion33 decks147 decks
11%synergy
Tangled Islet
22%inclusion37 decks169 decks
5%synergy
Rimewood Falls
21%inclusion35 decks169 decks
11%synergy
Bala Ged Recovery
20%inclusion34 decks169 decks
10%synergy
Exotic Orchard
19%inclusion32 decks169 decks
-5%synergy
Snow-Covered Forest
19%inclusion32 decks169 decks
12%synergy
Tropical Island
19%inclusion32 decks169 decks
5%synergy
Evolving Wilds
18%inclusion30 decks169 decks
-7%synergy
Snow-Covered Island
17%inclusion29 decks169 decks
10%synergy
Prismatic Vista
16%inclusion27 decks169 decks
9%synergy
Sea Gate Restoration
16%inclusion27 decks169 decks
11%synergy
Overflowing Basin
16%inclusion25 decks160 decks
-4%synergy
Botanical Sanctum
14%inclusion24 decks169 decks
2%synergy
Verdant Catacombs
12%inclusion20 decks169 decks
2%synergy
Glasspool Mimic
12%inclusion20 decks169 decks
8%synergy
Windswept Heath
12%inclusion20 decks169 decks
1%synergy
Terramorphic Expanse
11%inclusion19 decks169 decks
-9%synergy
Flooded Strand
11%inclusion19 decks169 decks
0%synergy
Thornwood Falls
10%inclusion17 decks169 decks
-8%synergy
Blighted Woodland
10%inclusion17 decks169 decks
3%synergy
Polluted Delta
9.5%inclusion16 decks169 decks
-1%synergy
Hydroelectric Specimen
9.0%inclusion13 decks145 decks
3%synergy
Disciple of Freyalise
8.2%inclusion12 decks147 decks
3%synergy
Bridgeworks Battle
8.2%inclusion12 decks147 decks
3%synergy
Littjara Mirrorlake
7.7%inclusion13 decks169 decks
4%synergy
Wooded Foothills
7.7%inclusion13 decks169 decks
-2%synergy
Path of Ancestry
7.7%inclusion13 decks169 decks
-10%synergy
Turntimber Symbiosis
7.1%inclusion12 decks169 decks
5%synergy
Demolition Field
7.1%inclusion12 decks169 decks
4%synergy
Scalding Tarn
7.1%inclusion12 decks169 decks
-3%synergy
Simic Guildgate
5.9%inclusion10 decks169 decks
-4%synergy
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