Koma, Cosmos Serpent (Commander) - Upgraded Ramp

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #306
34decks
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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Sodden Verdure
100%inclusion2 decks2 decks
97%synergy
Rain-Slicked Copse
50%inclusion1 decks2 decks
49%synergy
The Unagi of Kyoshi Island
24%inclusion4 decks17 decks
18%synergy
Shared Roots
18%inclusion3 decks17 decks
14%synergy
Ember Island Production
12%inclusion2 decks17 decks
11%synergy
High Synergy Cards
Elemental Bond
79%inclusion27 decks34 decks
74%synergy
Adrix and Nev, Twincasters
79%inclusion27 decks34 decks
71%synergy
Whelming Wave
79%inclusion27 decks34 decks
68%synergy
Spark Double
68%inclusion23 decks34 decks
58%synergy
Parallel Lives
62%inclusion21 decks34 decks
56%synergy
Irenicus's Vile Duplication
62%inclusion21 decks34 decks
56%synergy
Koma, World-Eater
65%inclusion22 decks34 decks
51%synergy
Summon: Leviathan
59%inclusion17 decks29 decks
51%synergy
Tribute to the World Tree
56%inclusion19 decks34 decks
50%synergy
Junk Winder
53%inclusion18 decks34 decks
46%synergy
Top Cards
Counterspell
79%inclusion27 decks34 decks
29%synergy
Beast Within
76%inclusion26 decks34 decks
27%synergy
Nature's Lore
74%inclusion25 decks34 decks
43%synergy
Three Visits
68%inclusion23 decks34 decks
44%synergy
Cultivate
65%inclusion22 decks34 decks
18%synergy
Kodama's Reach
62%inclusion21 decks34 decks
26%synergy
Heroic Intervention
59%inclusion20 decks34 decks
29%synergy
Farseek
59%inclusion20 decks34 decks
34%synergy
Rampant Growth
56%inclusion19 decks34 decks
15%synergy
Lightning Greaves
53%inclusion18 decks34 decks
31%synergy
Game Changers
Cyclonic Rift
44%inclusion15 decks34 decks
18%synergy
Fierce Guardianship
38%inclusion13 decks34 decks
21%synergy
Seedborn Muse
32%inclusion11 decks34 decks
17%synergy
Rhystic Study
29%inclusion10 decks34 decks
8%synergy
Consecrated Sphinx
21%inclusion7 decks34 decks
12%synergy
Worldly Tutor
21%inclusion7 decks34 decks
5%synergy
Force of Will
8.8%inclusion3 decks34 decks
-1%synergy
Gaea's Cradle
5.9%inclusion2 decks34 decks
-2%synergy
Creatures
Birds of Paradise
53%inclusion18 decks34 decks
25%synergy
Craterhoof Behemoth
50%inclusion17 decks34 decks
40%synergy
Serpent of Yawning Depths
50%inclusion17 decks34 decks
44%synergy
Sakura-Tribe Elder
50%inclusion17 decks34 decks
31%synergy
Aesi, Tyrant of Gyre Strait
47%inclusion16 decks34 decks
30%synergy
Spawning Kraken
47%inclusion16 decks34 decks
40%synergy
Tatyova, Benthic Druid
44%inclusion15 decks34 decks
13%synergy
Fanatic of Rhonas
44%inclusion15 decks34 decks
38%synergy
Sakashima the Impostor
44%inclusion15 decks34 decks
42%synergy
Arixmethes, Slumbering Isle
44%inclusion15 decks34 decks
31%synergy
Sakashima of a Thousand Faces
41%inclusion14 decks34 decks
36%synergy
Llanowar Elves
38%inclusion13 decks34 decks
10%synergy
Elvish Mystic
35%inclusion12 decks34 decks
11%synergy
Octomancer
32%inclusion11 decks34 decks
28%synergy
Eternal Witness
32%inclusion11 decks34 decks
11%synergy
Roaming Throne
32%inclusion11 decks34 decks
24%synergy
Garruk's Packleader
29%inclusion10 decks34 decks
27%synergy
Coiling Oracle
29%inclusion10 decks34 decks
16%synergy
Archetype of Imagination
29%inclusion10 decks34 decks
25%synergy
Ohran Frostfang
29%inclusion10 decks34 decks
26%synergy
Chameleon, Master of Disguise
29%inclusion7 decks24 decks
27%synergy
Enduring Vitality
26%inclusion9 decks34 decks
19%synergy
Murkfiend Liege
26%inclusion9 decks34 decks
12%synergy
Starwinder
25%inclusion7 decks28 decks
18%synergy
Uro, Titan of Nature's Wrath
24%inclusion8 decks34 decks
14%synergy
Fyndhorn Elves
21%inclusion7 decks34 decks
5%synergy
Disciple of Freyalise
18%inclusion6 decks34 decks
13%synergy
Saryth, the Viper's Fang
18%inclusion6 decks34 decks
16%synergy
Enduring Curiosity
18%inclusion6 decks34 decks
14%synergy
Hullbreaker Horror
18%inclusion6 decks34 decks
0%synergy
Troyan, Gutsy Explorer
15%inclusion5 decks34 decks
12%synergy
Tangled Florahedron
15%inclusion5 decks34 decks
13%synergy
Hydroelectric Specimen
15%inclusion5 decks34 decks
9%synergy
Druid of Purification
15%inclusion5 decks34 decks
13%synergy
Slinn Voda, the Rising Deep
15%inclusion5 decks34 decks
8%synergy
Scute Swarm
15%inclusion5 decks34 decks
-6%synergy
Tireless Provisioner
15%inclusion5 decks34 decks
0%synergy
Reclamation Sage
12%inclusion4 decks34 decks
-2%synergy
Rampaging Baloths
12%inclusion4 decks34 decks
-5%synergy
Scourge of Fleets
12%inclusion4 decks34 decks
4%synergy
Lotus Cobra
12%inclusion4 decks34 decks
-2%synergy
Auton Soldier
12%inclusion4 decks34 decks
9%synergy
Esix, Fractal Bloom
12%inclusion4 decks34 decks
8%synergy
Glasspool Mimic
12%inclusion4 decks34 decks
7%synergy
Gala Greeters
12%inclusion4 decks34 decks
10%synergy
Guardian Augmenter
12%inclusion4 decks34 decks
11%synergy
Sagu Wildling
10%inclusion3 decks31 decks
9%synergy
Skyserpent Seeker
9.1%inclusion3 decks33 decks
6%synergy
Circle of Dreams Druid
8.8%inclusion3 decks34 decks
7%synergy
Avenger of Zendikar
8.8%inclusion3 decks34 decks
-9%synergy
Instants
Growth Spiral
47%inclusion16 decks34 decks
2%synergy
An Offer You Can't Refuse
44%inclusion15 decks34 decks
21%synergy
Negate
44%inclusion15 decks34 decks
18%synergy
Pongify
41%inclusion14 decks34 decks
16%synergy
Arcane Denial
41%inclusion14 decks34 decks
19%synergy
Second Harvest
38%inclusion13 decks34 decks
32%synergy
Mana Drain
38%inclusion13 decks34 decks
22%synergy
Rapid Hybridization
35%inclusion12 decks34 decks
9%synergy
Swan Song
35%inclusion12 decks34 decks
16%synergy
Stubborn Denial
29%inclusion10 decks34 decks
27%synergy
Return of the Wildspeaker
26%inclusion9 decks34 decks
16%synergy
Planar Genesis
26%inclusion9 decks34 decks
16%synergy
Double Major
26%inclusion9 decks34 decks
18%synergy
Reality Shift
24%inclusion8 decks34 decks
9%synergy
Sink into Stupor
24%inclusion8 decks34 decks
12%synergy
Krosan Grip
21%inclusion7 decks34 decks
13%synergy
Nature's Claim
21%inclusion7 decks34 decks
11%synergy
Resculpt
18%inclusion6 decks34 decks
12%synergy
Auroral Procession
16%inclusion5 decks31 decks
12%synergy
Rewind
15%inclusion5 decks34 decks
12%synergy
Snakeskin Veil
12%inclusion4 decks34 decks
6%synergy
Three Steps Ahead
12%inclusion4 decks34 decks
9%synergy
Plasm Capture
12%inclusion4 decks34 decks
8%synergy
Archdruid's Charm
12%inclusion4 decks34 decks
6%synergy
Tyvar's Stand
12%inclusion4 decks34 decks
9%synergy
Legolas's Quick Reflexes
12%inclusion4 decks34 decks
9%synergy
Harrow
12%inclusion4 decks34 decks
0%synergy
Lazotep Plating
12%inclusion4 decks34 decks
11%synergy
Tamiyo's Safekeeping
12%inclusion4 decks34 decks
6%synergy
Collective Resistance
12%inclusion4 decks34 decks
8%synergy
Heritage Reclamation
10%inclusion3 decks31 decks
8%synergy
Eureka Moment
8.8%inclusion3 decks34 decks
-2%synergy
Decisive Denial
8.8%inclusion3 decks34 decks
4%synergy
Brainstorm
8.8%inclusion3 decks34 decks
-6%synergy
Mystic Reflection
8.8%inclusion3 decks34 decks
6%synergy
Force of Vigor
8.8%inclusion3 decks34 decks
4%synergy
Chord of Calling
8.8%inclusion3 decks34 decks
1%synergy
Entish Restoration
8.8%inclusion3 decks34 decks
-1%synergy
Aetherize
8.8%inclusion3 decks34 decks
-3%synergy
Slip Out the Back
8.8%inclusion3 decks34 decks
5%synergy
Joint Exploration
8.8%inclusion3 decks34 decks
3%synergy
Simic Charm
8.8%inclusion3 decks34 decks
1%synergy
Abjure
8.8%inclusion3 decks34 decks
8%synergy
Pact of Negation
8.8%inclusion3 decks34 decks
1%synergy
Consult the Star Charts
7.1%inclusion2 decks28 decks
5%synergy
Divert Disaster
7.1%inclusion2 decks28 decks
6%synergy
Frantic Search
5.9%inclusion2 decks34 decks
0%synergy
Thirst for Discovery
5.9%inclusion2 decks34 decks
5%synergy
Refute
5.9%inclusion2 decks34 decks
4%synergy
Wrap in Vigor
5.9%inclusion2 decks34 decks
5%synergy
Sorceries
Skyshroud Claim
50%inclusion17 decks34 decks
41%synergy
Quantum Misalignment
35%inclusion12 decks34 decks
32%synergy
Bala Ged Recovery
24%inclusion8 decks34 decks
14%synergy
Migration Path
24%inclusion8 decks34 decks
20%synergy
Explore
21%inclusion7 decks34 decks
0%synergy
Overwhelming Stampede
21%inclusion7 decks34 decks
8%synergy
Ponder
15%inclusion5 decks34 decks
8%synergy
Flare of Cultivation
15%inclusion5 decks34 decks
13%synergy
Triumph of the Hordes
15%inclusion5 decks34 decks
12%synergy
Finale of Devastation
15%inclusion5 decks34 decks
3%synergy
Bridgeworks Battle
15%inclusion5 decks34 decks
10%synergy
Regrowth
15%inclusion5 decks34 decks
11%synergy
Raise the Palisade
15%inclusion5 decks34 decks
8%synergy
Urban Evolution
12%inclusion4 decks34 decks
2%synergy
Hunting Wilds
12%inclusion4 decks34 decks
11%synergy
Green Sun's Zenith
8.8%inclusion3 decks34 decks
0%synergy
Ranger's Path
8.8%inclusion3 decks34 decks
8%synergy
Into the North
8.8%inclusion3 decks34 decks
8%synergy
Tooth and Nail
8.8%inclusion3 decks34 decks
7%synergy
Turntimber Symbiosis
8.8%inclusion3 decks34 decks
7%synergy
Sea Gate Restoration
8.8%inclusion3 decks34 decks
3%synergy
Hour of Promise
8.8%inclusion3 decks34 decks
5%synergy
Broken Bond
8.8%inclusion3 decks34 decks
4%synergy
Vastwood Surge
8.8%inclusion3 decks34 decks
8%synergy
Bushwhack
8.8%inclusion3 decks34 decks
7%synergy
Shamanic Revelation
8.8%inclusion3 decks34 decks
4%synergy
Glimpse the Core
8.8%inclusion3 decks34 decks
8%synergy
Rite of Replication
8.8%inclusion3 decks34 decks
2%synergy
Windfall
5.9%inclusion2 decks34 decks
2%synergy
Map the Frontier
5.9%inclusion2 decks34 decks
5%synergy
Last March of the Ents
5.9%inclusion2 decks34 decks
2%synergy
Make Your Own Luck
5.9%inclusion2 decks34 decks
5%synergy
Tempt with Discovery
5.9%inclusion2 decks34 decks
2%synergy
Lórien Revealed
5.9%inclusion2 decks34 decks
3%synergy
Personal Tutor
5.9%inclusion2 decks34 decks
5%synergy
Rishkar's Expertise
5.9%inclusion2 decks34 decks
-3%synergy
Search for Tomorrow
5.9%inclusion2 decks34 decks
1%synergy
Explosive Vegetation
5.9%inclusion2 decks34 decks
0%synergy
Preordain
5.9%inclusion2 decks34 decks
-2%synergy
River's Rebuke
5.9%inclusion2 decks34 decks
3%synergy
Ravenform
5.9%inclusion2 decks34 decks
2%synergy
Open the Way
5.9%inclusion2 decks34 decks
3%synergy
Analyze the Pollen
5.9%inclusion2 decks34 decks
5%synergy
Spirit Water Revival
5.9%inclusion1 decks17 decks
5%synergy
Utility Artifacts
Swiftfoot Boots
47%inclusion16 decks34 decks
21%synergy
Helm of the Host
24%inclusion8 decks34 decks
18%synergy
Emerald Medallion
24%inclusion8 decks34 decks
21%synergy
Sapphire Medallion
24%inclusion8 decks34 decks
20%synergy
Eldrazi Monument
18%inclusion6 decks34 decks
17%synergy
Combine Chrysalis
15%inclusion5 decks34 decks
10%synergy
Mirror Box
12%inclusion4 decks34 decks
8%synergy
Bident of Thassa
8.8%inclusion3 decks34 decks
2%synergy
Skullclamp
5.9%inclusion2 decks34 decks
5%synergy
Perilous Vault
5.9%inclusion2 decks34 decks
6%synergy
Idol of Oblivion
5.9%inclusion2 decks34 decks
2%synergy
Neurok Stealthsuit
5.9%inclusion2 decks34 decks
6%synergy
Basilisk Collar
5.9%inclusion2 decks34 decks
5%synergy
Enchantments
Doubling Season
50%inclusion17 decks34 decks
40%synergy
Kindred Discovery
41%inclusion14 decks34 decks
31%synergy
Mystic Remora
32%inclusion11 decks34 decks
17%synergy
Utopia Sprawl
21%inclusion7 decks34 decks
14%synergy
Cryptolith Rite
18%inclusion6 decks34 decks
14%synergy
Exploration
18%inclusion6 decks34 decks
4%synergy
Verity Circle
18%inclusion6 decks34 decks
17%synergy
Growing Rites of Itlimoc
18%inclusion6 decks34 decks
12%synergy
Impostor Syndrome
17%inclusion4 decks24 decks
15%synergy
Garruk's Uprising
15%inclusion5 decks34 decks
-2%synergy
Primal Vigor
15%inclusion5 decks34 decks
12%synergy
Paradox Haze
15%inclusion5 decks34 decks
14%synergy
Propaganda
15%inclusion5 decks34 decks
8%synergy
Moonlit Meditation
14%inclusion4 decks28 decks
13%synergy
Beastmaster Ascension
12%inclusion4 decks34 decks
9%synergy
Imprisoned in the Moon
12%inclusion4 decks34 decks
8%synergy
Wild Growth
12%inclusion4 decks34 decks
3%synergy
Opposition
12%inclusion4 decks34 decks
11%synergy
Defense of the Heart
12%inclusion4 decks34 decks
9%synergy
Wilderness Reclamation
8.8%inclusion3 decks34 decks
0%synergy
Unnatural Growth
8.8%inclusion3 decks34 decks
5%synergy
Sylvan Library
8.8%inclusion3 decks34 decks
0%synergy
Dismiss into Dream
8.8%inclusion3 decks34 decks
9%synergy
Unstoppable Plan
6.1%inclusion2 decks33 decks
4%synergy
Up the Beanstalk
5.9%inclusion2 decks34 decks
2%synergy
Evolutionary Leap
5.9%inclusion2 decks34 decks
6%synergy
Burgeoning
5.9%inclusion2 decks34 decks
-1%synergy
Asceticism
5.9%inclusion2 decks34 decks
3%synergy
Levitation
5.9%inclusion2 decks34 decks
5%synergy
Kenrith's Transformation
5.9%inclusion2 decks34 decks
2%synergy
Battles
Invasion of Zendikar
15%inclusion5 decks34 decks
13%synergy
Invasion of Ikoria
5.9%inclusion2 decks34 decks
1%synergy
Planeswalkers
Oko, Thief of Crowns
44%inclusion15 decks34 decks
37%synergy
Utility Lands
Reliquary Tower
59%inclusion20 decks34 decks
9%synergy
Temple of the False God
35%inclusion12 decks34 decks
20%synergy
Mystic Sanctuary
32%inclusion11 decks34 decks
20%synergy
Mistrise Village
32%inclusion10 decks31 decks
22%synergy
Alchemist's Refuge
26%inclusion9 decks34 decks
9%synergy
Command Beacon
26%inclusion9 decks34 decks
22%synergy
Boseiju, Who Endures
26%inclusion9 decks34 decks
4%synergy
Otawara, Soaring City
24%inclusion8 decks34 decks
4%synergy
Mosswort Bridge
21%inclusion7 decks34 decks
3%synergy
Yavimaya, Cradle of Growth
21%inclusion7 decks34 decks
-2%synergy
Scavenger Grounds
15%inclusion5 decks34 decks
10%synergy
Castle Vantress
12%inclusion4 decks34 decks
5%synergy
Three Tree City
12%inclusion4 decks34 decks
7%synergy
Castle Garenbrig
12%inclusion4 decks34 decks
7%synergy
Bonders' Enclave
12%inclusion4 decks34 decks
10%synergy
Evendo, Waking Haven
11%inclusion3 decks28 decks
5%synergy
Dark Depths
8.8%inclusion3 decks34 decks
2%synergy
Rogue's Passage
8.8%inclusion3 decks34 decks
-13%synergy
Kishla Village
6.5%inclusion2 decks31 decks
5%synergy
Rivendell
5.9%inclusion2 decks34 decks
0%synergy
Urza's Saga
5.9%inclusion2 decks34 decks
0%synergy
Cryptic Spires
5.9%inclusion2 decks34 decks
6%synergy
War Room
5.9%inclusion2 decks34 decks
4%synergy
Thespian's Stage
5.9%inclusion2 decks34 decks
-1%synergy
Mana Artifacts
Sol Ring
91%inclusion31 decks34 decks
11%synergy
Arcane Signet
62%inclusion21 decks34 decks
-1%synergy
Thought Vessel
38%inclusion13 decks34 decks
18%synergy
Talisman of Curiosity
26%inclusion9 decks34 decks
5%synergy
Simic Signet
24%inclusion8 decks34 decks
-8%synergy
Fellwar Stone
15%inclusion5 decks34 decks
5%synergy
Thran Dynamo
15%inclusion5 decks34 decks
12%synergy
Decanter of Endless Water
8.8%inclusion3 decks34 decks
4%synergy
Herd Heirloom
6.5%inclusion2 decks31 decks
4%synergy
Lands
Command Tower
100%inclusion34 decks34 decks
15%synergy
Island
97%inclusion33 decks34 decks
2%synergy
Forest
97%inclusion33 decks34 decks
2%synergy
Hinterland Harbor
82%inclusion28 decks34 decks
23%synergy
Breeding Pool
65%inclusion22 decks34 decks
18%synergy
Yavimaya Coast
65%inclusion22 decks34 decks
12%synergy
Rejuvenating Springs
59%inclusion20 decks34 decks
15%synergy
Dreamroot Cascade
59%inclusion20 decks34 decks
17%synergy
Simic Growth Chamber
56%inclusion19 decks34 decks
8%synergy
Flooded Grove
47%inclusion16 decks34 decks
6%synergy
Misty Rainforest
44%inclusion15 decks34 decks
13%synergy
Willowrush Verge
42%inclusion14 decks33 decks
26%synergy
Temple of Mystery
41%inclusion14 decks34 decks
3%synergy
Hedge Maze
38%inclusion13 decks34 decks
19%synergy
Barkchannel Pathway
35%inclusion12 decks34 decks
15%synergy
Waterlogged Grove
32%inclusion11 decks34 decks
12%synergy
Exotic Orchard
29%inclusion10 decks34 decks
6%synergy
Tangled Islet
29%inclusion10 decks34 decks
13%synergy
Vineglimmer Snarl
26%inclusion9 decks34 decks
-12%synergy
Tropical Island
26%inclusion9 decks34 decks
12%synergy
Myriad Landscape
24%inclusion8 decks34 decks
2%synergy
Rimewood Falls
24%inclusion8 decks34 decks
14%synergy
Sink into Stupor
24%inclusion8 decks34 decks
12%synergy
Bala Ged Recovery
24%inclusion8 decks34 decks
14%synergy
Fabled Passage
21%inclusion7 decks34 decks
6%synergy
Disciple of Freyalise
18%inclusion6 decks34 decks
13%synergy
Evolving Wilds
18%inclusion6 decks34 decks
-7%synergy
Tangled Florahedron
15%inclusion5 decks34 decks
13%synergy
Hydroelectric Specimen
15%inclusion5 decks34 decks
9%synergy
Snow-Covered Forest
15%inclusion5 decks34 decks
8%synergy
Bridgeworks Battle
15%inclusion5 decks34 decks
10%synergy
Snow-Covered Island
12%inclusion4 decks34 decks
5%synergy
Wooded Foothills
12%inclusion4 decks34 decks
2%synergy
Verdant Catacombs
12%inclusion4 decks34 decks
2%synergy
Botanical Sanctum
12%inclusion4 decks34 decks
-1%synergy
Demolition Field
12%inclusion4 decks34 decks
9%synergy
Glasspool Mimic
12%inclusion4 decks34 decks
7%synergy
Polluted Delta
12%inclusion4 decks34 decks
1%synergy
Flooded Strand
12%inclusion4 decks34 decks
0%synergy
Blighted Woodland
8.8%inclusion3 decks34 decks
2%synergy
Terramorphic Expanse
8.8%inclusion3 decks34 decks
-11%synergy
Windswept Heath
8.8%inclusion3 decks34 decks
-2%synergy
Turntimber Symbiosis
8.8%inclusion3 decks34 decks
7%synergy
Sea Gate Restoration
8.8%inclusion3 decks34 decks
3%synergy
Path of Ancestry
8.8%inclusion3 decks34 decks
-8%synergy
Scalding Tarn
8.8%inclusion3 decks34 decks
-1%synergy
Drowner of Truth
8.8%inclusion3 decks34 decks
7%synergy
Thornwood Falls
8.8%inclusion3 decks34 decks
-9%synergy
Prismatic Vista
5.9%inclusion2 decks34 decks
-2%synergy
Overflowing Basin
5.9%inclusion2 decks34 decks
-13%synergy
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