Koma, Cosmos Serpent (Commander) - Upgraded Ramp

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #295
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
20%inclusion2 decks10 decks
16%synergy
Shared Roots
20%inclusion2 decks10 decks
18%synergy
Ember Island Production
10%inclusion1 decks10 decks
9%synergy
Wan Shi Tong, Librarian
8.3%inclusion1 decks12 decks
4%synergy
High Synergy Cards
Elemental Bond
83%inclusion25 decks30 decks
78%synergy
Whelming Wave
83%inclusion25 decks30 decks
72%synergy
Adrix and Nev, Twincasters
80%inclusion24 decks30 decks
72%synergy
Parallel Lives
67%inclusion20 decks30 decks
61%synergy
Spark Double
70%inclusion21 decks30 decks
60%synergy
Koma, World-Eater
67%inclusion20 decks30 decks
53%synergy
Irenicus's Vile Duplication
57%inclusion17 decks30 decks
50%synergy
Tribute to the World Tree
57%inclusion17 decks30 decks
50%synergy
Doubling Season
57%inclusion17 decks30 decks
47%synergy
Serpent of Yawning Depths
53%inclusion16 decks30 decks
47%synergy
Top Cards
Beast Within
80%inclusion24 decks30 decks
30%synergy
Counterspell
80%inclusion24 decks30 decks
30%synergy
Nature's Lore
70%inclusion21 decks30 decks
40%synergy
Cultivate
70%inclusion21 decks30 decks
23%synergy
Three Visits
67%inclusion20 decks30 decks
44%synergy
Kodama's Reach
63%inclusion19 decks30 decks
27%synergy
Heroic Intervention
60%inclusion18 decks30 decks
30%synergy
Farseek
60%inclusion18 decks30 decks
35%synergy
Rampant Growth
60%inclusion18 decks30 decks
19%synergy
Growth Spiral
53%inclusion16 decks30 decks
9%synergy
Game Changers
Cyclonic Rift
50%inclusion15 decks30 decks
24%synergy
Fierce Guardianship
40%inclusion12 decks30 decks
23%synergy
Seedborn Muse
33%inclusion10 decks30 decks
18%synergy
Rhystic Study
30%inclusion9 decks30 decks
8%synergy
Consecrated Sphinx
20%inclusion6 decks30 decks
11%synergy
Worldly Tutor
20%inclusion6 decks30 decks
5%synergy
Force of Will
10%inclusion3 decks30 decks
0%synergy
Creatures
Aesi, Tyrant of Gyre Strait
53%inclusion16 decks30 decks
36%synergy
Craterhoof Behemoth
53%inclusion16 decks30 decks
44%synergy
Birds of Paradise
53%inclusion16 decks30 decks
26%synergy
Sakura-Tribe Elder
53%inclusion16 decks30 decks
34%synergy
Summon: Leviathan
52%inclusion13 decks25 decks
45%synergy
Junk Winder
50%inclusion15 decks30 decks
43%synergy
Spawning Kraken
50%inclusion15 decks30 decks
43%synergy
Tatyova, Benthic Druid
47%inclusion14 decks30 decks
15%synergy
Fanatic of Rhonas
47%inclusion14 decks30 decks
41%synergy
Sakashima the Impostor
43%inclusion13 decks30 decks
41%synergy
Arixmethes, Slumbering Isle
43%inclusion13 decks30 decks
30%synergy
Sakashima of a Thousand Faces
40%inclusion12 decks30 decks
35%synergy
Eternal Witness
37%inclusion11 decks30 decks
15%synergy
Garruk's Packleader
33%inclusion10 decks30 decks
31%synergy
Elvish Mystic
33%inclusion10 decks30 decks
9%synergy
Coiling Oracle
33%inclusion10 decks30 decks
20%synergy
Octomancer
30%inclusion9 decks30 decks
25%synergy
Roaming Throne
30%inclusion9 decks30 decks
22%synergy
Ohran Frostfang
30%inclusion9 decks30 decks
26%synergy
Chameleon, Master of Disguise
30%inclusion6 decks20 decks
28%synergy
Enduring Vitality
27%inclusion8 decks30 decks
19%synergy
Murkfiend Liege
27%inclusion8 decks30 decks
12%synergy
Llanowar Elves
27%inclusion8 decks30 decks
-1%synergy
Archetype of Imagination
27%inclusion8 decks30 decks
22%synergy
Hullbreaker Horror
23%inclusion7 decks30 decks
6%synergy
Uro, Titan of Nature's Wrath
23%inclusion7 decks30 decks
14%synergy
Starwinder
21%inclusion5 decks24 decks
14%synergy
Disciple of Freyalise
20%inclusion6 decks30 decks
15%synergy
Enduring Curiosity
20%inclusion6 decks30 decks
17%synergy
Fyndhorn Elves
20%inclusion6 decks30 decks
4%synergy
Saryth, the Viper's Fang
17%inclusion5 decks30 decks
15%synergy
Hydroelectric Specimen
17%inclusion5 decks30 decks
11%synergy
Scute Swarm
17%inclusion5 decks30 decks
-4%synergy
Tireless Provisioner
17%inclusion5 decks30 decks
1%synergy
Reclamation Sage
13%inclusion4 decks30 decks
-1%synergy
Troyan, Gutsy Explorer
13%inclusion4 decks30 decks
10%synergy
Rampaging Baloths
13%inclusion4 decks30 decks
-4%synergy
Tangled Florahedron
13%inclusion4 decks30 decks
12%synergy
Druid of Purification
13%inclusion4 decks30 decks
12%synergy
Slinn Voda, the Rising Deep
13%inclusion4 decks30 decks
7%synergy
Lotus Cobra
13%inclusion4 decks30 decks
-1%synergy
Auton Soldier
13%inclusion4 decks30 decks
11%synergy
Glasspool Mimic
13%inclusion4 decks30 decks
9%synergy
Nezahal, Primal Tide
13%inclusion4 decks30 decks
2%synergy
Sagu Wildling
11%inclusion3 decks27 decks
11%synergy
Skyserpent Seeker
10%inclusion3 decks29 decks
7%synergy
Circle of Dreams Druid
10%inclusion3 decks30 decks
8%synergy
Avenger of Zendikar
10%inclusion3 decks30 decks
-8%synergy
Scourge of Fleets
10%inclusion3 decks30 decks
2%synergy
Oracle of Mul Daya
10%inclusion3 decks30 decks
1%synergy
Instants
Arcane Denial
43%inclusion13 decks30 decks
21%synergy
Pongify
40%inclusion12 decks30 decks
15%synergy
An Offer You Can't Refuse
40%inclusion12 decks30 decks
17%synergy
Negate
40%inclusion12 decks30 decks
14%synergy
Second Harvest
40%inclusion12 decks30 decks
34%synergy
Mana Drain
37%inclusion11 decks30 decks
21%synergy
Swan Song
33%inclusion10 decks30 decks
14%synergy
Rapid Hybridization
30%inclusion9 decks30 decks
4%synergy
Return of the Wildspeaker
30%inclusion9 decks30 decks
20%synergy
Sink into Stupor
27%inclusion8 decks30 decks
15%synergy
Double Major
27%inclusion8 decks30 decks
18%synergy
Stubborn Denial
23%inclusion7 decks30 decks
21%synergy
Reality Shift
23%inclusion7 decks30 decks
9%synergy
Planar Genesis
23%inclusion7 decks30 decks
13%synergy
Nature's Claim
20%inclusion6 decks30 decks
10%synergy
Resculpt
20%inclusion6 decks30 decks
14%synergy
Auroral Procession
19%inclusion5 decks27 decks
15%synergy
Archdruid's Charm
17%inclusion5 decks30 decks
10%synergy
Krosan Grip
17%inclusion5 decks30 decks
9%synergy
Snakeskin Veil
13%inclusion4 decks30 decks
8%synergy
Plasm Capture
13%inclusion4 decks30 decks
10%synergy
Rewind
13%inclusion4 decks30 decks
10%synergy
Collective Resistance
13%inclusion4 decks30 decks
10%synergy
Heritage Reclamation
11%inclusion3 decks27 decks
9%synergy
Eureka Moment
10%inclusion3 decks30 decks
-1%synergy
Decisive Denial
10%inclusion3 decks30 decks
5%synergy
Brainstorm
10%inclusion3 decks30 decks
-4%synergy
Tyvar's Stand
10%inclusion3 decks30 decks
7%synergy
Legolas's Quick Reflexes
10%inclusion3 decks30 decks
7%synergy
Chord of Calling
10%inclusion3 decks30 decks
2%synergy
Harrow
10%inclusion3 decks30 decks
-2%synergy
Entish Restoration
10%inclusion3 decks30 decks
1%synergy
Aetherize
10%inclusion3 decks30 decks
-2%synergy
Joint Exploration
10%inclusion3 decks30 decks
4%synergy
Lazotep Plating
10%inclusion3 decks30 decks
9%synergy
Tamiyo's Safekeeping
10%inclusion3 decks30 decks
4%synergy
Misdirection
10%inclusion3 decks30 decks
8%synergy
Simic Charm
10%inclusion3 decks30 decks
2%synergy
Abjure
10%inclusion3 decks30 decks
9%synergy
Pact of Negation
10%inclusion3 decks30 decks
3%synergy
Thirst for Discovery
6.7%inclusion2 decks30 decks
6%synergy
Three Steps Ahead
6.7%inclusion2 decks30 decks
4%synergy
Refute
6.7%inclusion2 decks30 decks
5%synergy
Flare of Denial
6.7%inclusion2 decks30 decks
3%synergy
Mystic Reflection
6.7%inclusion2 decks30 decks
4%synergy
Aetherspouts
6.7%inclusion2 decks30 decks
5%synergy
Force of Vigor
6.7%inclusion2 decks30 decks
2%synergy
Strix Serenade
6.7%inclusion2 decks30 decks
3%synergy
Slip Out the Back
6.7%inclusion2 decks30 decks
3%synergy
Perplexing Test
6.7%inclusion2 decks30 decks
2%synergy
Sorceries
Skyshroud Claim
53%inclusion16 decks30 decks
44%synergy
Quantum Misalignment
37%inclusion11 decks30 decks
34%synergy
Bala Ged Recovery
27%inclusion8 decks30 decks
17%synergy
Explore
23%inclusion7 decks30 decks
3%synergy
Migration Path
23%inclusion7 decks30 decks
20%synergy
Overwhelming Stampede
20%inclusion6 decks30 decks
8%synergy
Flare of Cultivation
17%inclusion5 decks30 decks
15%synergy
Finale of Devastation
17%inclusion5 decks30 decks
5%synergy
Ponder
13%inclusion4 decks30 decks
6%synergy
Triumph of the Hordes
13%inclusion4 decks30 decks
10%synergy
Sea Gate Restoration
13%inclusion4 decks30 decks
8%synergy
Bridgeworks Battle
13%inclusion4 decks30 decks
9%synergy
Urban Evolution
13%inclusion4 decks30 decks
4%synergy
Shamanic Revelation
13%inclusion4 decks30 decks
8%synergy
Regrowth
13%inclusion4 decks30 decks
10%synergy
Hunting Wilds
13%inclusion4 decks30 decks
13%synergy
Raise the Palisade
13%inclusion4 decks30 decks
7%synergy
Green Sun's Zenith
10%inclusion3 decks30 decks
1%synergy
Ranger's Path
10%inclusion3 decks30 decks
9%synergy
Into the North
10%inclusion3 decks30 decks
9%synergy
Tooth and Nail
10%inclusion3 decks30 decks
9%synergy
Hour of Promise
10%inclusion3 decks30 decks
6%synergy
Broken Bond
10%inclusion3 decks30 decks
5%synergy
Vastwood Surge
10%inclusion3 decks30 decks
9%synergy
Rite of Replication
10%inclusion3 decks30 decks
3%synergy
Windfall
6.7%inclusion2 decks30 decks
3%synergy
Map the Frontier
6.7%inclusion2 decks30 decks
6%synergy
Last March of the Ents
6.7%inclusion2 decks30 decks
3%synergy
Turntimber Symbiosis
6.7%inclusion2 decks30 decks
4%synergy
Make Your Own Luck
6.7%inclusion2 decks30 decks
5%synergy
Lórien Revealed
6.7%inclusion2 decks30 decks
4%synergy
Personal Tutor
6.7%inclusion2 decks30 decks
6%synergy
Rishkar's Expertise
6.7%inclusion2 decks30 decks
-2%synergy
Search for Tomorrow
6.7%inclusion2 decks30 decks
2%synergy
Preordain
6.7%inclusion2 decks30 decks
-2%synergy
River's Rebuke
6.7%inclusion2 decks30 decks
4%synergy
Bushwhack
6.7%inclusion2 decks30 decks
5%synergy
Ravenform
6.7%inclusion2 decks30 decks
2%synergy
Open the Way
6.7%inclusion2 decks30 decks
4%synergy
Analyze the Pollen
6.7%inclusion2 decks30 decks
6%synergy
Glimpse the Core
6.7%inclusion2 decks30 decks
6%synergy
Utility Artifacts
Swiftfoot Boots
50%inclusion15 decks30 decks
24%synergy
Lightning Greaves
50%inclusion15 decks30 decks
28%synergy
Helm of the Host
27%inclusion8 decks30 decks
21%synergy
Sapphire Medallion
20%inclusion6 decks30 decks
17%synergy
Combine Chrysalis
17%inclusion5 decks30 decks
12%synergy
Emerald Medallion
17%inclusion5 decks30 decks
14%synergy
Eldrazi Monument
13%inclusion4 decks30 decks
13%synergy
Idol of Oblivion
10%inclusion3 decks30 decks
7%synergy
Mirror Box
6.7%inclusion2 decks30 decks
3%synergy
Perilous Vault
6.7%inclusion2 decks30 decks
7%synergy
Bident of Thassa
6.7%inclusion2 decks30 decks
-1%synergy
Basilisk Collar
6.7%inclusion2 decks30 decks
6%synergy
Enchantments
Kindred Discovery
40%inclusion12 decks30 decks
30%synergy
Mystic Remora
27%inclusion8 decks30 decks
11%synergy
Cryptolith Rite
20%inclusion6 decks30 decks
17%synergy
Exploration
20%inclusion6 decks30 decks
7%synergy
Utopia Sprawl
17%inclusion5 decks30 decks
10%synergy
Beastmaster Ascension
17%inclusion5 decks30 decks
14%synergy
Verity Circle
17%inclusion5 decks30 decks
16%synergy
Garruk's Uprising
17%inclusion5 decks30 decks
0%synergy
Primal Vigor
17%inclusion5 decks30 decks
14%synergy
Propaganda
17%inclusion5 decks30 decks
10%synergy
Impostor Syndrome
15%inclusion3 decks20 decks
13%synergy
Wild Growth
13%inclusion4 decks30 decks
5%synergy
Opposition
13%inclusion4 decks30 decks
13%synergy
Paradox Haze
13%inclusion4 decks30 decks
13%synergy
Growing Rites of Itlimoc
13%inclusion4 decks30 decks
7%synergy
Moonlit Meditation
13%inclusion3 decks24 decks
11%synergy
Imprisoned in the Moon
10%inclusion3 decks30 decks
6%synergy
Unnatural Growth
10%inclusion3 decks30 decks
7%synergy
Burgeoning
10%inclusion3 decks30 decks
3%synergy
Sylvan Library
10%inclusion3 decks30 decks
1%synergy
Kenrith's Transformation
10%inclusion3 decks30 decks
5%synergy
Dismiss into Dream
10%inclusion3 decks30 decks
10%synergy
Defense of the Heart
10%inclusion3 decks30 decks
8%synergy
Unstoppable Plan
6.9%inclusion2 decks29 decks
5%synergy
Up the Beanstalk
6.7%inclusion2 decks30 decks
2%synergy
Wilderness Reclamation
6.7%inclusion2 decks30 decks
-2%synergy
Asceticism
6.7%inclusion2 decks30 decks
3%synergy
Levitation
6.7%inclusion2 decks30 decks
6%synergy
The Clone Saga
5.0%inclusion1 decks20 decks
4%synergy
Battles
Invasion of Zendikar
13%inclusion4 decks30 decks
12%synergy
Planeswalkers
Oko, Thief of Crowns
43%inclusion13 decks30 decks
36%synergy
Utility Lands
Reliquary Tower
57%inclusion17 decks30 decks
7%synergy
Temple of the False God
40%inclusion12 decks30 decks
24%synergy
Mystic Sanctuary
30%inclusion9 decks30 decks
17%synergy
Mistrise Village
30%inclusion8 decks27 decks
19%synergy
Alchemist's Refuge
27%inclusion8 decks30 decks
9%synergy
Command Beacon
27%inclusion8 decks30 decks
23%synergy
Boseiju, Who Endures
27%inclusion8 decks30 decks
4%synergy
Mosswort Bridge
23%inclusion7 decks30 decks
6%synergy
Otawara, Soaring City
23%inclusion7 decks30 decks
4%synergy
Yavimaya, Cradle of Growth
20%inclusion6 decks30 decks
-2%synergy
Scavenger Grounds
13%inclusion4 decks30 decks
9%synergy
Castle Vantress
13%inclusion4 decks30 decks
6%synergy
Castle Garenbrig
13%inclusion4 decks30 decks
9%synergy
Evendo, Waking Haven
13%inclusion3 decks24 decks
7%synergy
Three Tree City
10%inclusion3 decks30 decks
5%synergy
Rogue's Passage
10%inclusion3 decks30 decks
-12%synergy
Kishla Village
7.4%inclusion2 decks27 decks
6%synergy
Cryptic Spires
6.7%inclusion2 decks30 decks
6%synergy
War Room
6.7%inclusion2 decks30 decks
5%synergy
Thespian's Stage
6.7%inclusion2 decks30 decks
0%synergy
Dark Depths
6.7%inclusion2 decks30 decks
0%synergy
Bonders' Enclave
6.7%inclusion2 decks30 decks
5%synergy
Mana Artifacts
Sol Ring
90%inclusion27 decks30 decks
9%synergy
Arcane Signet
60%inclusion18 decks30 decks
-3%synergy
Thought Vessel
37%inclusion11 decks30 decks
16%synergy
Simic Signet
27%inclusion8 decks30 decks
-5%synergy
Talisman of Curiosity
23%inclusion7 decks30 decks
2%synergy
Thran Dynamo
17%inclusion5 decks30 decks
14%synergy
Decanter of Endless Water
10%inclusion3 decks30 decks
5%synergy
Herd Heirloom
7.4%inclusion2 decks27 decks
5%synergy
Lotus Petal
6.7%inclusion2 decks30 decks
0%synergy
Fellwar Stone
6.7%inclusion2 decks30 decks
-3%synergy
Mind Stone
6.7%inclusion2 decks30 decks
2%synergy
Lands
Command Tower
100%inclusion30 decks30 decks
15%synergy
Island
97%inclusion29 decks30 decks
1%synergy
Forest
97%inclusion29 decks30 decks
1%synergy
Hinterland Harbor
80%inclusion24 decks30 decks
21%synergy
Yavimaya Coast
63%inclusion19 decks30 decks
11%synergy
Dreamroot Cascade
63%inclusion19 decks30 decks
22%synergy
Breeding Pool
60%inclusion18 decks30 decks
15%synergy
Rejuvenating Springs
60%inclusion18 decks30 decks
16%synergy
Simic Growth Chamber
57%inclusion17 decks30 decks
8%synergy
Misty Rainforest
47%inclusion14 decks30 decks
16%synergy
Flooded Grove
47%inclusion14 decks30 decks
6%synergy
Temple of Mystery
43%inclusion13 decks30 decks
5%synergy
Willowrush Verge
41%inclusion12 decks29 decks
25%synergy
Hedge Maze
40%inclusion12 decks30 decks
20%synergy
Tangled Islet
33%inclusion10 decks30 decks
17%synergy
Barkchannel Pathway
33%inclusion10 decks30 decks
13%synergy
Waterlogged Grove
33%inclusion10 decks30 decks
13%synergy
Exotic Orchard
30%inclusion9 decks30 decks
6%synergy
Myriad Landscape
27%inclusion8 decks30 decks
5%synergy
Sink into Stupor
27%inclusion8 decks30 decks
15%synergy
Bala Ged Recovery
27%inclusion8 decks30 decks
17%synergy
Fabled Passage
23%inclusion7 decks30 decks
9%synergy
Vineglimmer Snarl
23%inclusion7 decks30 decks
-15%synergy
Tropical Island
23%inclusion7 decks30 decks
9%synergy
Rimewood Falls
23%inclusion7 decks30 decks
14%synergy
Disciple of Freyalise
20%inclusion6 decks30 decks
15%synergy
Evolving Wilds
20%inclusion6 decks30 decks
-5%synergy
Hydroelectric Specimen
17%inclusion5 decks30 decks
11%synergy
Snow-Covered Forest
17%inclusion5 decks30 decks
10%synergy
Sea Gate Restoration
13%inclusion4 decks30 decks
8%synergy
Tangled Florahedron
13%inclusion4 decks30 decks
12%synergy
Snow-Covered Island
13%inclusion4 decks30 decks
6%synergy
Wooded Foothills
13%inclusion4 decks30 decks
4%synergy
Verdant Catacombs
13%inclusion4 decks30 decks
4%synergy
Demolition Field
13%inclusion4 decks30 decks
10%synergy
Bridgeworks Battle
13%inclusion4 decks30 decks
9%synergy
Glasspool Mimic
13%inclusion4 decks30 decks
9%synergy
Flooded Strand
13%inclusion4 decks30 decks
2%synergy
Polluted Delta
13%inclusion4 decks30 decks
3%synergy
Blighted Woodland
10%inclusion3 decks30 decks
2%synergy
Terramorphic Expanse
10%inclusion3 decks30 decks
-10%synergy
Windswept Heath
10%inclusion3 decks30 decks
0%synergy
Botanical Sanctum
10%inclusion3 decks30 decks
-2%synergy
Scalding Tarn
10%inclusion3 decks30 decks
0%synergy
Drowner of Truth
10%inclusion3 decks30 decks
8%synergy
Thornwood Falls
10%inclusion3 decks30 decks
-8%synergy
Prismatic Vista
6.7%inclusion2 decks30 decks
-1%synergy
Turntimber Symbiosis
6.7%inclusion2 decks30 decks
4%synergy
Path of Ancestry
6.7%inclusion2 decks30 decks
-11%synergy
Simic Guildgate
6.7%inclusion2 decks30 decks
-4%synergy
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