Koma, Cosmos Serpent (Commander) - Upgraded Ramp

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #299
31decks
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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The Unagi of Kyoshi Island
23%inclusion3 decks13 decks
18%synergy
Shared Roots
23%inclusion3 decks13 decks
20%synergy
Ember Island Production
15%inclusion2 decks13 decks
15%synergy
Spirit Water Revival
7.7%inclusion1 decks13 decks
7%synergy
Wan Shi Tong, Librarian
6.7%inclusion1 decks15 decks
1%synergy
High Synergy Cards
Elemental Bond
87%inclusion27 decks31 decks
81%synergy
Adrix and Nev, Twincasters
81%inclusion25 decks31 decks
72%synergy
Whelming Wave
81%inclusion25 decks31 decks
69%synergy
Spark Double
68%inclusion21 decks31 decks
58%synergy
Parallel Lives
61%inclusion19 decks31 decks
55%synergy
Irenicus's Vile Duplication
58%inclusion18 decks31 decks
52%synergy
Koma, World-Eater
65%inclusion20 decks31 decks
51%synergy
Summon: Leviathan
58%inclusion15 decks26 decks
51%synergy
Junk Winder
55%inclusion17 decks31 decks
48%synergy
Serpent of Yawning Depths
52%inclusion16 decks31 decks
45%synergy
Top Cards
Counterspell
77%inclusion24 decks31 decks
27%synergy
Beast Within
74%inclusion23 decks31 decks
24%synergy
Nature's Lore
71%inclusion22 decks31 decks
41%synergy
Cultivate
68%inclusion21 decks31 decks
21%synergy
Kodama's Reach
61%inclusion19 decks31 decks
25%synergy
Three Visits
61%inclusion19 decks31 decks
38%synergy
Farseek
58%inclusion18 decks31 decks
33%synergy
Rampant Growth
58%inclusion18 decks31 decks
17%synergy
Sakura-Tribe Elder
58%inclusion18 decks31 decks
39%synergy
Heroic Intervention
55%inclusion17 decks31 decks
25%synergy
Game Changers
Cyclonic Rift
48%inclusion15 decks31 decks
22%synergy
Fierce Guardianship
35%inclusion11 decks31 decks
18%synergy
Seedborn Muse
32%inclusion10 decks31 decks
17%synergy
Rhystic Study
26%inclusion8 decks31 decks
4%synergy
Worldly Tutor
19%inclusion6 decks31 decks
4%synergy
Consecrated Sphinx
16%inclusion5 decks31 decks
7%synergy
Force of Will
10%inclusion3 decks31 decks
0%synergy
Creatures
Aesi, Tyrant of Gyre Strait
52%inclusion16 decks31 decks
34%synergy
Tatyova, Benthic Druid
48%inclusion15 decks31 decks
17%synergy
Craterhoof Behemoth
48%inclusion15 decks31 decks
39%synergy
Birds of Paradise
48%inclusion15 decks31 decks
21%synergy
Spawning Kraken
48%inclusion15 decks31 decks
41%synergy
Fanatic of Rhonas
42%inclusion13 decks31 decks
36%synergy
Sakashima the Impostor
42%inclusion13 decks31 decks
39%synergy
Arixmethes, Slumbering Isle
42%inclusion13 decks31 decks
28%synergy
Sakashima of a Thousand Faces
39%inclusion12 decks31 decks
34%synergy
Eternal Witness
35%inclusion11 decks31 decks
14%synergy
Elvish Mystic
35%inclusion11 decks31 decks
11%synergy
Garruk's Packleader
32%inclusion10 decks31 decks
30%synergy
Llanowar Elves
32%inclusion10 decks31 decks
4%synergy
Coiling Oracle
32%inclusion10 decks31 decks
19%synergy
Starwinder
32%inclusion8 decks25 decks
25%synergy
Octomancer
29%inclusion9 decks31 decks
24%synergy
Roaming Throne
29%inclusion9 decks31 decks
21%synergy
Enduring Vitality
26%inclusion8 decks31 decks
18%synergy
Ohran Frostfang
26%inclusion8 decks31 decks
22%synergy
Chameleon, Master of Disguise
24%inclusion5 decks21 decks
21%synergy
Murkfiend Liege
23%inclusion7 decks31 decks
8%synergy
Enduring Curiosity
23%inclusion7 decks31 decks
19%synergy
Archetype of Imagination
23%inclusion7 decks31 decks
18%synergy
Uro, Titan of Nature's Wrath
23%inclusion7 decks31 decks
13%synergy
Disciple of Freyalise
19%inclusion6 decks31 decks
15%synergy
Saryth, the Viper's Fang
19%inclusion6 decks31 decks
18%synergy
Hullbreaker Horror
19%inclusion6 decks31 decks
2%synergy
Fyndhorn Elves
19%inclusion6 decks31 decks
4%synergy
Troyan, Gutsy Explorer
16%inclusion5 decks31 decks
13%synergy
Tangled Florahedron
16%inclusion5 decks31 decks
15%synergy
Scourge of Fleets
16%inclusion5 decks31 decks
8%synergy
Hydroelectric Specimen
16%inclusion5 decks31 decks
10%synergy
Scute Swarm
16%inclusion5 decks31 decks
-5%synergy
Tireless Provisioner
16%inclusion5 decks31 decks
1%synergy
Reclamation Sage
13%inclusion4 decks31 decks
-1%synergy
Rampaging Baloths
13%inclusion4 decks31 decks
-4%synergy
Druid of Purification
13%inclusion4 decks31 decks
11%synergy
Slinn Voda, the Rising Deep
13%inclusion4 decks31 decks
6%synergy
Lotus Cobra
13%inclusion4 decks31 decks
-1%synergy
Auton Soldier
13%inclusion4 decks31 decks
10%synergy
Glasspool Mimic
13%inclusion4 decks31 decks
9%synergy
Sagu Wildling
11%inclusion3 decks28 decks
10%synergy
Skyserpent Seeker
10%inclusion3 decks30 decks
7%synergy
Circle of Dreams Druid
10%inclusion3 decks31 decks
7%synergy
Avenger of Zendikar
10%inclusion3 decks31 decks
-8%synergy
Azusa, Lost but Seeking
10%inclusion3 decks31 decks
-4%synergy
Oracle of Mul Daya
10%inclusion3 decks31 decks
1%synergy
Willbreaker
10%inclusion3 decks31 decks
9%synergy
Toski, Bearer of Secrets
10%inclusion3 decks31 decks
6%synergy
Dryad of the Ilysian Grove
10%inclusion3 decks31 decks
-1%synergy
Instants
Growth Spiral
55%inclusion17 decks31 decks
10%synergy
An Offer You Can't Refuse
45%inclusion14 decks31 decks
22%synergy
Negate
45%inclusion14 decks31 decks
19%synergy
Arcane Denial
45%inclusion14 decks31 decks
23%synergy
Pongify
39%inclusion12 decks31 decks
14%synergy
Second Harvest
35%inclusion11 decks31 decks
29%synergy
Rapid Hybridization
32%inclusion10 decks31 decks
6%synergy
Mana Drain
32%inclusion10 decks31 decks
17%synergy
Return of the Wildspeaker
29%inclusion9 decks31 decks
19%synergy
Swan Song
29%inclusion9 decks31 decks
10%synergy
Double Major
29%inclusion9 decks31 decks
21%synergy
Reality Shift
26%inclusion8 decks31 decks
11%synergy
Planar Genesis
26%inclusion8 decks31 decks
15%synergy
Sink into Stupor
26%inclusion8 decks31 decks
14%synergy
Stubborn Denial
23%inclusion7 decks31 decks
20%synergy
Nature's Claim
23%inclusion7 decks31 decks
13%synergy
Resculpt
19%inclusion6 decks31 decks
13%synergy
Auroral Procession
18%inclusion5 decks28 decks
14%synergy
Archdruid's Charm
16%inclusion5 decks31 decks
10%synergy
Krosan Grip
16%inclusion5 decks31 decks
8%synergy
Rewind
16%inclusion5 decks31 decks
13%synergy
Collective Resistance
16%inclusion5 decks31 decks
13%synergy
Snakeskin Veil
13%inclusion4 decks31 decks
7%synergy
Three Steps Ahead
13%inclusion4 decks31 decks
10%synergy
Plasm Capture
13%inclusion4 decks31 decks
9%synergy
Tyvar's Stand
13%inclusion4 decks31 decks
10%synergy
Harrow
13%inclusion4 decks31 decks
1%synergy
Tamiyo's Safekeeping
13%inclusion4 decks31 decks
7%synergy
Heritage Reclamation
11%inclusion3 decks28 decks
9%synergy
Eureka Moment
10%inclusion3 decks31 decks
-1%synergy
Decisive Denial
10%inclusion3 decks31 decks
5%synergy
Brainstorm
10%inclusion3 decks31 decks
-5%synergy
Chord of Calling
10%inclusion3 decks31 decks
2%synergy
Entish Restoration
10%inclusion3 decks31 decks
0%synergy
Aetherize
10%inclusion3 decks31 decks
-2%synergy
Slip Out the Back
10%inclusion3 decks31 decks
6%synergy
Joint Exploration
10%inclusion3 decks31 decks
4%synergy
Misdirection
10%inclusion3 decks31 decks
8%synergy
Simic Charm
10%inclusion3 decks31 decks
2%synergy
Abjure
10%inclusion3 decks31 decks
9%synergy
Pact of Negation
10%inclusion3 decks31 decks
2%synergy
Frantic Search
6.5%inclusion2 decks31 decks
1%synergy
Thirst for Discovery
6.5%inclusion2 decks31 decks
6%synergy
Refute
6.5%inclusion2 decks31 decks
4%synergy
Flare of Denial
6.5%inclusion2 decks31 decks
3%synergy
Aetherspouts
6.5%inclusion2 decks31 decks
5%synergy
Mystic Reflection
6.5%inclusion2 decks31 decks
4%synergy
Legolas's Quick Reflexes
6.5%inclusion2 decks31 decks
4%synergy
Force of Vigor
6.5%inclusion2 decks31 decks
2%synergy
Perplexing Test
6.5%inclusion2 decks31 decks
2%synergy
Sorceries
Skyshroud Claim
52%inclusion16 decks31 decks
43%synergy
Quantum Misalignment
32%inclusion10 decks31 decks
29%synergy
Explore
26%inclusion8 decks31 decks
5%synergy
Bala Ged Recovery
26%inclusion8 decks31 decks
16%synergy
Migration Path
23%inclusion7 decks31 decks
19%synergy
Ponder
16%inclusion5 decks31 decks
9%synergy
Flare of Cultivation
16%inclusion5 decks31 decks
14%synergy
Bridgeworks Battle
16%inclusion5 decks31 decks
11%synergy
Overwhelming Stampede
16%inclusion5 decks31 decks
4%synergy
Regrowth
16%inclusion5 decks31 decks
12%synergy
Finale of Devastation
13%inclusion4 decks31 decks
1%synergy
Urban Evolution
13%inclusion4 decks31 decks
3%synergy
Shamanic Revelation
13%inclusion4 decks31 decks
8%synergy
Hunting Wilds
13%inclusion4 decks31 decks
12%synergy
Raise the Palisade
13%inclusion4 decks31 decks
7%synergy
Green Sun's Zenith
10%inclusion3 decks31 decks
1%synergy
Ranger's Path
10%inclusion3 decks31 decks
9%synergy
Into the North
10%inclusion3 decks31 decks
9%synergy
Tooth and Nail
10%inclusion3 decks31 decks
8%synergy
Triumph of the Hordes
10%inclusion3 decks31 decks
7%synergy
Turntimber Symbiosis
10%inclusion3 decks31 decks
7%synergy
Sea Gate Restoration
10%inclusion3 decks31 decks
4%synergy
Hour of Promise
10%inclusion3 decks31 decks
6%synergy
Broken Bond
10%inclusion3 decks31 decks
5%synergy
Vastwood Surge
10%inclusion3 decks31 decks
9%synergy
Bushwhack
10%inclusion3 decks31 decks
8%synergy
Glimpse the Core
10%inclusion3 decks31 decks
9%synergy
Rite of Replication
10%inclusion3 decks31 decks
2%synergy
Windfall
6.5%inclusion2 decks31 decks
2%synergy
Map the Frontier
6.5%inclusion2 decks31 decks
5%synergy
Last March of the Ents
6.5%inclusion2 decks31 decks
3%synergy
Make Your Own Luck
6.5%inclusion2 decks31 decks
5%synergy
Tempt with Discovery
6.5%inclusion2 decks31 decks
2%synergy
Lórien Revealed
6.5%inclusion2 decks31 decks
4%synergy
Personal Tutor
6.5%inclusion2 decks31 decks
5%synergy
Rishkar's Expertise
6.5%inclusion2 decks31 decks
-2%synergy
Search for Tomorrow
6.5%inclusion2 decks31 decks
2%synergy
Preordain
6.5%inclusion2 decks31 decks
-2%synergy
River's Rebuke
6.5%inclusion2 decks31 decks
4%synergy
Ravenform
6.5%inclusion2 decks31 decks
2%synergy
Open the Way
6.5%inclusion2 decks31 decks
4%synergy
Analyze the Pollen
6.5%inclusion2 decks31 decks
6%synergy
Utility Artifacts
Swiftfoot Boots
52%inclusion16 decks31 decks
26%synergy
Lightning Greaves
52%inclusion16 decks31 decks
30%synergy
Helm of the Host
26%inclusion8 decks31 decks
20%synergy
Emerald Medallion
19%inclusion6 decks31 decks
16%synergy
Sapphire Medallion
19%inclusion6 decks31 decks
16%synergy
Combine Chrysalis
16%inclusion5 decks31 decks
12%synergy
Eldrazi Monument
10%inclusion3 decks31 decks
9%synergy
Bident of Thassa
10%inclusion3 decks31 decks
2%synergy
Mirror Box
6.5%inclusion2 decks31 decks
3%synergy
Perilous Vault
6.5%inclusion2 decks31 decks
6%synergy
Idol of Oblivion
6.5%inclusion2 decks31 decks
3%synergy
Neurok Stealthsuit
6.5%inclusion2 decks31 decks
6%synergy
Basilisk Collar
6.5%inclusion2 decks31 decks
6%synergy
Enchantments
Doubling Season
52%inclusion16 decks31 decks
42%synergy
Tribute to the World Tree
52%inclusion16 decks31 decks
45%synergy
Kindred Discovery
45%inclusion14 decks31 decks
35%synergy
Mystic Remora
32%inclusion10 decks31 decks
17%synergy
Utopia Sprawl
19%inclusion6 decks31 decks
13%synergy
Cryptolith Rite
19%inclusion6 decks31 decks
16%synergy
Exploration
19%inclusion6 decks31 decks
6%synergy
Verity Circle
19%inclusion6 decks31 decks
19%synergy
Impostor Syndrome
19%inclusion4 decks21 decks
17%synergy
Garruk's Uprising
16%inclusion5 decks31 decks
0%synergy
Primal Vigor
16%inclusion5 decks31 decks
13%synergy
Propaganda
16%inclusion5 decks31 decks
9%synergy
Growing Rites of Itlimoc
16%inclusion5 decks31 decks
10%synergy
Beastmaster Ascension
13%inclusion4 decks31 decks
10%synergy
Imprisoned in the Moon
13%inclusion4 decks31 decks
9%synergy
Wild Growth
13%inclusion4 decks31 decks
4%synergy
Opposition
13%inclusion4 decks31 decks
13%synergy
Moonlit Meditation
12%inclusion3 decks25 decks
11%synergy
Wilderness Reclamation
10%inclusion3 decks31 decks
1%synergy
Unnatural Growth
10%inclusion3 decks31 decks
6%synergy
Burgeoning
10%inclusion3 decks31 decks
3%synergy
Sylvan Library
10%inclusion3 decks31 decks
1%synergy
Dismiss into Dream
10%inclusion3 decks31 decks
9%synergy
Paradox Haze
10%inclusion3 decks31 decks
9%synergy
Unstoppable Plan
6.7%inclusion2 decks30 decks
4%synergy
Up the Beanstalk
6.5%inclusion2 decks31 decks
2%synergy
Evolutionary Leap
6.5%inclusion2 decks31 decks
6%synergy
Asceticism
6.5%inclusion2 decks31 decks
3%synergy
Levitation
6.5%inclusion2 decks31 decks
6%synergy
Kenrith's Transformation
6.5%inclusion2 decks31 decks
2%synergy
Defense of the Heart
6.5%inclusion2 decks31 decks
4%synergy
Battles
Invasion of Zendikar
13%inclusion4 decks31 decks
11%synergy
Planeswalkers
Oko, Thief of Crowns
42%inclusion13 decks31 decks
35%synergy
Utility Lands
Reliquary Tower
58%inclusion18 decks31 decks
8%synergy
Temple of the False God
39%inclusion12 decks31 decks
23%synergy
Mystic Sanctuary
29%inclusion9 decks31 decks
16%synergy
Alchemist's Refuge
29%inclusion9 decks31 decks
12%synergy
Mistrise Village
29%inclusion8 decks28 decks
18%synergy
Mosswort Bridge
23%inclusion7 decks31 decks
5%synergy
Command Beacon
23%inclusion7 decks31 decks
19%synergy
Boseiju, Who Endures
23%inclusion7 decks31 decks
0%synergy
Otawara, Soaring City
19%inclusion6 decks31 decks
0%synergy
Yavimaya, Cradle of Growth
16%inclusion5 decks31 decks
-6%synergy
Scavenger Grounds
13%inclusion4 decks31 decks
9%synergy
Castle Vantress
13%inclusion4 decks31 decks
6%synergy
Castle Garenbrig
13%inclusion4 decks31 decks
8%synergy
Bonders' Enclave
13%inclusion4 decks31 decks
11%synergy
Evendo, Waking Haven
12%inclusion3 decks25 decks
7%synergy
Rogue's Passage
10%inclusion3 decks31 decks
-12%synergy
Kishla Village
7.1%inclusion2 decks28 decks
6%synergy
Rivendell
6.5%inclusion2 decks31 decks
1%synergy
Cryptic Spires
6.5%inclusion2 decks31 decks
6%synergy
War Room
6.5%inclusion2 decks31 decks
5%synergy
Thespian's Stage
6.5%inclusion2 decks31 decks
-1%synergy
Dark Depths
6.5%inclusion2 decks31 decks
0%synergy
Three Tree City
6.5%inclusion2 decks31 decks
1%synergy
Mana Artifacts
Sol Ring
90%inclusion28 decks31 decks
10%synergy
Arcane Signet
61%inclusion19 decks31 decks
-2%synergy
Thought Vessel
35%inclusion11 decks31 decks
15%synergy
Simic Signet
26%inclusion8 decks31 decks
-6%synergy
Talisman of Curiosity
23%inclusion7 decks31 decks
1%synergy
Thran Dynamo
16%inclusion5 decks31 decks
13%synergy
Decanter of Endless Water
10%inclusion3 decks31 decks
4%synergy
Fellwar Stone
10%inclusion3 decks31 decks
0%synergy
Herd Heirloom
7.1%inclusion2 decks28 decks
4%synergy
Lands
Command Tower
100%inclusion31 decks31 decks
15%synergy
Island
97%inclusion30 decks31 decks
1%synergy
Forest
97%inclusion30 decks31 decks
1%synergy
Hinterland Harbor
81%inclusion25 decks31 decks
21%synergy
Simic Growth Chamber
61%inclusion19 decks31 decks
13%synergy
Breeding Pool
61%inclusion19 decks31 decks
16%synergy
Yavimaya Coast
61%inclusion19 decks31 decks
9%synergy
Dreamroot Cascade
58%inclusion18 decks31 decks
16%synergy
Rejuvenating Springs
55%inclusion17 decks31 decks
11%synergy
Flooded Grove
48%inclusion15 decks31 decks
7%synergy
Misty Rainforest
42%inclusion13 decks31 decks
11%synergy
Temple of Mystery
42%inclusion13 decks31 decks
4%synergy
Willowrush Verge
40%inclusion12 decks30 decks
24%synergy
Hedge Maze
39%inclusion12 decks31 decks
19%synergy
Exotic Orchard
32%inclusion10 decks31 decks
8%synergy
Tangled Islet
32%inclusion10 decks31 decks
16%synergy
Barkchannel Pathway
29%inclusion9 decks31 decks
9%synergy
Myriad Landscape
26%inclusion8 decks31 decks
4%synergy
Waterlogged Grove
26%inclusion8 decks31 decks
5%synergy
Sink into Stupor
26%inclusion8 decks31 decks
14%synergy
Bala Ged Recovery
26%inclusion8 decks31 decks
16%synergy
Fabled Passage
23%inclusion7 decks31 decks
8%synergy
Vineglimmer Snarl
23%inclusion7 decks31 decks
-16%synergy
Rimewood Falls
23%inclusion7 decks31 decks
13%synergy
Disciple of Freyalise
19%inclusion6 decks31 decks
15%synergy
Tropical Island
19%inclusion6 decks31 decks
5%synergy
Evolving Wilds
19%inclusion6 decks31 decks
-6%synergy
Tangled Florahedron
16%inclusion5 decks31 decks
15%synergy
Hydroelectric Specimen
16%inclusion5 decks31 decks
10%synergy
Snow-Covered Forest
16%inclusion5 decks31 decks
9%synergy
Bridgeworks Battle
16%inclusion5 decks31 decks
11%synergy
Snow-Covered Island
13%inclusion4 decks31 decks
6%synergy
Wooded Foothills
13%inclusion4 decks31 decks
3%synergy
Verdant Catacombs
13%inclusion4 decks31 decks
3%synergy
Demolition Field
13%inclusion4 decks31 decks
10%synergy
Glasspool Mimic
13%inclusion4 decks31 decks
9%synergy
Polluted Delta
13%inclusion4 decks31 decks
2%synergy
Flooded Strand
13%inclusion4 decks31 decks
2%synergy
Blighted Woodland
10%inclusion3 decks31 decks
2%synergy
Terramorphic Expanse
10%inclusion3 decks31 decks
-10%synergy
Windswept Heath
10%inclusion3 decks31 decks
-1%synergy
Turntimber Symbiosis
10%inclusion3 decks31 decks
7%synergy
Sea Gate Restoration
10%inclusion3 decks31 decks
4%synergy
Scalding Tarn
10%inclusion3 decks31 decks
0%synergy
Drowner of Truth
10%inclusion3 decks31 decks
8%synergy
Thornwood Falls
10%inclusion3 decks31 decks
-8%synergy
Overflowing Basin
6.5%inclusion2 decks31 decks
-13%synergy
Botanical Sanctum
6.5%inclusion2 decks31 decks
-6%synergy
Simic Guildgate
6.5%inclusion2 decks31 decks
-4%synergy
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