Koma, Cosmos Serpent (Commander) - Upgraded Tokens

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Background image for How To Play Sea Creatures Differently In Commander
Sikora
Nov 13, 2025
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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Archidekt
Commander Spellbook
Moxfield
Scryfall
The Unagi of Kyoshi Island
20%inclusion3 decks15 decks
16%synergy
Shared Roots
13%inclusion2 decks15 decks
11%synergy
Ember Island Production
6.7%inclusion1 decks15 decks
6%synergy
Wan Shi Tong, Librarian
6.3%inclusion1 decks16 decks
2%synergy
Badgermole Cub
6.3%inclusion1 decks16 decks
2%synergy
High Synergy Cards
Elemental Bond
78%inclusion46 decks59 decks
72%synergy
Whelming Wave
83%inclusion49 decks59 decks
72%synergy
Adrix and Nev, Twincasters
78%inclusion46 decks59 decks
69%synergy
Spark Double
76%inclusion45 decks59 decks
67%synergy
Parallel Lives
64%inclusion38 decks59 decks
58%synergy
Serpent of Yawning Depths
63%inclusion37 decks59 decks
56%synergy
Irenicus's Vile Duplication
59%inclusion35 decks59 decks
53%synergy
Tribute to the World Tree
58%inclusion34 decks59 decks
51%synergy
Junk Winder
56%inclusion33 decks59 decks
49%synergy
Koma, World-Eater
59%inclusion35 decks59 decks
46%synergy
Top Cards
Beast Within
73%inclusion43 decks59 decks
23%synergy
Cultivate
73%inclusion43 decks59 decks
26%synergy
Counterspell
71%inclusion42 decks59 decks
21%synergy
Kodama's Reach
61%inclusion36 decks59 decks
25%synergy
Heroic Intervention
61%inclusion36 decks59 decks
31%synergy
Rampant Growth
61%inclusion36 decks59 decks
20%synergy
Nature's Lore
59%inclusion35 decks59 decks
29%synergy
Three Visits
54%inclusion32 decks59 decks
31%synergy
Farseek
54%inclusion32 decks59 decks
30%synergy
Doubling Season
53%inclusion31 decks59 decks
43%synergy
Game Changers
Cyclonic Rift
46%inclusion27 decks59 decks
20%synergy
Fierce Guardianship
36%inclusion21 decks59 decks
18%synergy
Rhystic Study
31%inclusion18 decks59 decks
9%synergy
Seedborn Muse
24%inclusion14 decks59 decks
8%synergy
Consecrated Sphinx
22%inclusion13 decks59 decks
13%synergy
Worldly Tutor
15%inclusion9 decks59 decks
0%synergy
The One Ring
6.8%inclusion4 decks59 decks
-1%synergy
Force of Will
6.8%inclusion4 decks59 decks
-3%synergy
Creatures
Aesi, Tyrant of Gyre Strait
51%inclusion30 decks59 decks
34%synergy
Sakashima of a Thousand Faces
47%inclusion28 decks59 decks
42%synergy
Birds of Paradise
46%inclusion27 decks59 decks
18%synergy
Llanowar Elves
42%inclusion25 decks59 decks
15%synergy
Craterhoof Behemoth
42%inclusion25 decks59 decks
33%synergy
Arixmethes, Slumbering Isle
42%inclusion25 decks59 decks
29%synergy
Spawning Kraken
42%inclusion25 decks59 decks
35%synergy
Sakura-Tribe Elder
39%inclusion23 decks59 decks
20%synergy
Garruk's Packleader
37%inclusion22 decks59 decks
35%synergy
Elvish Mystic
37%inclusion22 decks59 decks
13%synergy
Sakashima the Impostor
37%inclusion22 decks59 decks
35%synergy
Tatyova, Benthic Druid
34%inclusion20 decks59 decks
3%synergy
Summon: Leviathan
33%inclusion16 decks49 decks
26%synergy
Eternal Witness
32%inclusion19 decks59 decks
11%synergy
Ohran Frostfang
29%inclusion17 decks59 decks
25%synergy
Enduring Vitality
27%inclusion16 decks59 decks
20%synergy
Chameleon, Master of Disguise
26%inclusion8 decks31 decks
23%synergy
Roaming Throne
25%inclusion15 decks59 decks
17%synergy
Coiling Oracle
25%inclusion15 decks59 decks
12%synergy
Murkfiend Liege
24%inclusion14 decks59 decks
9%synergy
Hullbreaker Horror
24%inclusion14 decks59 decks
6%synergy
Reclamation Sage
22%inclusion13 decks59 decks
8%synergy
Archetype of Imagination
22%inclusion13 decks59 decks
18%synergy
Fanatic of Rhonas
22%inclusion13 decks59 decks
16%synergy
Esix, Fractal Bloom
20%inclusion12 decks59 decks
16%synergy
Fyndhorn Elves
20%inclusion12 decks59 decks
5%synergy
Octomancer
19%inclusion11 decks59 decks
14%synergy
Enduring Curiosity
19%inclusion11 decks59 decks
15%synergy
Slinn Voda, the Rising Deep
17%inclusion10 decks59 decks
10%synergy
Starwinder
16%inclusion6 decks38 decks
9%synergy
Curiosity Crafter
15%inclusion9 decks59 decks
12%synergy
Scute Swarm
15%inclusion9 decks59 decks
-6%synergy
Glasspool Mimic
15%inclusion9 decks59 decks
11%synergy
Scourge of Fleets
14%inclusion8 decks59 decks
5%synergy
Uro, Titan of Nature's Wrath
14%inclusion8 decks59 decks
4%synergy
Auton Soldier
14%inclusion8 decks59 decks
11%synergy
Saryth, the Viper's Fang
12%inclusion7 decks59 decks
10%synergy
Gala Greeters
12%inclusion7 decks59 decks
10%synergy
Toski, Bearer of Secrets
12%inclusion7 decks59 decks
8%synergy
Tireless Provisioner
12%inclusion7 decks59 decks
-3%synergy
Champion of Lambholt
12%inclusion7 decks59 decks
7%synergy
Disciple of Freyalise
10%inclusion6 decks59 decks
5%synergy
Azusa, Lost but Seeking
10%inclusion6 decks59 decks
-4%synergy
Solemn Simulacrum
8.5%inclusion5 decks59 decks
2%synergy
Jaheira, Friend of the Forest
8.5%inclusion5 decks59 decks
5%synergy
Circle of Dreams Druid
8.5%inclusion5 decks59 decks
6%synergy
Hydroelectric Specimen
8.5%inclusion5 decks59 decks
3%synergy
Rampaging Baloths
8.5%inclusion5 decks59 decks
-9%synergy
Phyrexian Metamorph
8.5%inclusion5 decks59 decks
0%synergy
Druid of Purification
8.5%inclusion5 decks59 decks
7%synergy
Instants
Growth Spiral
49%inclusion29 decks59 decks
5%synergy
Return of the Wildspeaker
41%inclusion24 decks59 decks
30%synergy
Second Harvest
41%inclusion24 decks59 decks
34%synergy
Pongify
37%inclusion22 decks59 decks
13%synergy
Arcane Denial
37%inclusion22 decks59 decks
15%synergy
An Offer You Can't Refuse
36%inclusion21 decks59 decks
13%synergy
Mana Drain
36%inclusion21 decks59 decks
20%synergy
Double Major
36%inclusion21 decks59 decks
27%synergy
Rapid Hybridization
34%inclusion20 decks59 decks
8%synergy
Negate
31%inclusion18 decks59 decks
5%synergy
Swan Song
24%inclusion14 decks59 decks
5%synergy
Planar Genesis
24%inclusion14 decks59 decks
13%synergy
Reality Shift
22%inclusion13 decks59 decks
7%synergy
Plasm Capture
20%inclusion12 decks59 decks
17%synergy
Sink into Stupor
19%inclusion11 decks59 decks
7%synergy
Krosan Grip
17%inclusion10 decks59 decks
9%synergy
Brainstorm
14%inclusion8 decks59 decks
-1%synergy
Perplexing Test
14%inclusion8 decks59 decks
9%synergy
Voidslime
14%inclusion8 decks59 decks
8%synergy
Auroral Procession
13%inclusion7 decks52 decks
10%synergy
Entish Restoration
12%inclusion7 decks59 decks
2%synergy
Stubborn Denial
12%inclusion7 decks59 decks
9%synergy
Cackling Counterpart
12%inclusion7 decks59 decks
9%synergy
Tamiyo's Safekeeping
12%inclusion7 decks59 decks
6%synergy
Nature's Claim
12%inclusion7 decks59 decks
2%synergy
Eureka Moment
10%inclusion6 decks59 decks
-1%synergy
Snakeskin Veil
10%inclusion6 decks59 decks
4%synergy
Three Steps Ahead
10%inclusion6 decks59 decks
7%synergy
Decisive Denial
10%inclusion6 decks59 decks
5%synergy
Archdruid's Charm
10%inclusion6 decks59 decks
4%synergy
Mystic Reflection
10%inclusion6 decks59 decks
8%synergy
Chord of Calling
10%inclusion6 decks59 decks
2%synergy
Harrow
10%inclusion6 decks59 decks
-2%synergy
Aetherize
10%inclusion6 decks59 decks
-2%synergy
Resculpt
10%inclusion6 decks59 decks
4%synergy
Lazotep Plating
10%inclusion6 decks59 decks
10%synergy
See Double
8.5%inclusion5 decks59 decks
7%synergy
Refute
8.5%inclusion5 decks59 decks
6%synergy
Sublime Epiphany
8.5%inclusion5 decks59 decks
6%synergy
Collective Resistance
8.5%inclusion5 decks59 decks
5%synergy
Simic Charm
8.5%inclusion5 decks59 decks
0%synergy
Muddle the Mixture
6.8%inclusion4 decks59 decks
2%synergy
Tyvar's Stand
6.8%inclusion4 decks59 decks
4%synergy
Slip Out the Back
6.8%inclusion4 decks59 decks
3%synergy
Noxious Revival
6.8%inclusion4 decks59 decks
1%synergy
Joint Exploration
6.8%inclusion4 decks59 decks
1%synergy
Heritage Reclamation
5.8%inclusion3 decks52 decks
4%synergy
Consult the Star Charts
5.1%inclusion2 decks39 decks
3%synergy
Fog
5.1%inclusion3 decks59 decks
2%synergy
Thirst for Discovery
5.1%inclusion3 decks59 decks
4%synergy
Sorceries
Skyshroud Claim
42%inclusion25 decks59 decks
33%synergy
Quantum Misalignment
41%inclusion24 decks59 decks
38%synergy
Bala Ged Recovery
22%inclusion13 decks59 decks
12%synergy
Overwhelming Stampede
22%inclusion13 decks59 decks
10%synergy
Rite of Replication
20%inclusion12 decks59 decks
13%synergy
Shamanic Revelation
20%inclusion12 decks59 decks
15%synergy
Sea Gate Restoration
19%inclusion11 decks59 decks
13%synergy
Explore
19%inclusion11 decks59 decks
-2%synergy
Migration Path
17%inclusion10 decks59 decks
14%synergy
Ponder
15%inclusion9 decks59 decks
8%synergy
Finale of Devastation
15%inclusion9 decks59 decks
4%synergy
Preordain
12%inclusion7 decks59 decks
4%synergy
Triumph of the Hordes
10%inclusion6 decks59 decks
7%synergy
Urban Evolution
10%inclusion6 decks59 decks
1%synergy
Green Sun's Zenith
8.5%inclusion5 decks59 decks
0%synergy
Last March of the Ents
8.5%inclusion5 decks59 decks
5%synergy
Broken Bond
8.5%inclusion5 decks59 decks
4%synergy
Rishkar's Expertise
8.5%inclusion5 decks59 decks
0%synergy
Bridgeworks Battle
8.5%inclusion5 decks59 decks
4%synergy
Regrowth
8.5%inclusion5 decks59 decks
5%synergy
Flare of Cultivation
6.8%inclusion4 decks59 decks
5%synergy
Ranger's Path
6.8%inclusion4 decks59 decks
6%synergy
Turntimber Symbiosis
6.8%inclusion4 decks59 decks
4%synergy
Spitting Image
6.8%inclusion4 decks59 decks
5%synergy
Raise the Palisade
6.8%inclusion4 decks59 decks
0%synergy
Glimpse the Core
6.8%inclusion4 decks59 decks
6%synergy
Into the North
5.1%inclusion3 decks59 decks
4%synergy
Hour of Promise
5.1%inclusion3 decks59 decks
1%synergy
Curse of the Swine
5.1%inclusion3 decks59 decks
-6%synergy
Treasure Cruise
5.1%inclusion3 decks59 decks
2%synergy
Ezuri's Predation
5.1%inclusion3 decks59 decks
-3%synergy
Hunting Wilds
5.1%inclusion3 decks59 decks
5%synergy
Harmonize
5.1%inclusion3 decks59 decks
-1%synergy
Rally the Galadhrim
5.1%inclusion3 decks59 decks
4%synergy
Search for Tomorrow
5.1%inclusion3 decks59 decks
0%synergy
Repudiate // Replicate
5.1%inclusion3 decks59 decks
3%synergy
Distant Melody
5.1%inclusion3 decks59 decks
2%synergy
River's Rebuke
5.1%inclusion3 decks59 decks
2%synergy
Bushwhack
5.1%inclusion3 decks59 decks
3%synergy
Ravenform
5.1%inclusion3 decks59 decks
1%synergy
Utility Artifacts
Swiftfoot Boots
46%inclusion27 decks59 decks
20%synergy
Lightning Greaves
46%inclusion27 decks59 decks
24%synergy
Helm of the Host
39%inclusion23 decks59 decks
34%synergy
Combine Chrysalis
25%inclusion15 decks59 decks
21%synergy
Eldrazi Monument
17%inclusion10 decks59 decks
16%synergy
Sapphire Medallion
14%inclusion8 decks59 decks
10%synergy
Mirror Box
12%inclusion7 decks59 decks
8%synergy
Emerald Medallion
12%inclusion7 decks59 decks
9%synergy
Idol of Oblivion
10%inclusion6 decks59 decks
7%synergy
Bident of Thassa
10%inclusion6 decks59 decks
3%synergy
The Great Henge
6.8%inclusion4 decks59 decks
-2%synergy
Maskwood Nexus
6.8%inclusion4 decks59 decks
4%synergy
Banner of Kinship
5.1%inclusion3 decks59 decks
3%synergy
Enchantments
Kindred Discovery
42%inclusion25 decks59 decks
32%synergy
Mystic Remora
31%inclusion18 decks59 decks
15%synergy
Cryptolith Rite
20%inclusion12 decks59 decks
17%synergy
Utopia Sprawl
19%inclusion11 decks59 decks
12%synergy
Primal Vigor
19%inclusion11 decks59 decks
15%synergy
Garruk's Uprising
17%inclusion10 decks59 decks
1%synergy
Moonlit Meditation
16%inclusion6 decks38 decks
14%synergy
Exploration
15%inclusion9 decks59 decks
2%synergy
Beastmaster Ascension
15%inclusion9 decks59 decks
12%synergy
Wild Growth
15%inclusion9 decks59 decks
7%synergy
Defense of the Heart
14%inclusion8 decks59 decks
11%synergy
Growing Rites of Itlimoc
14%inclusion8 decks59 decks
8%synergy
Impostor Syndrome
13%inclusion4 decks31 decks
11%synergy
Opposition
12%inclusion7 decks59 decks
11%synergy
Paradox Haze
12%inclusion7 decks59 decks
11%synergy
Imprisoned in the Moon
10%inclusion6 decks59 decks
6%synergy
Extravagant Replication
10%inclusion6 decks59 decks
8%synergy
Wilderness Reclamation
10%inclusion6 decks59 decks
1%synergy
Asceticism
8.5%inclusion5 decks59 decks
5%synergy
Propaganda
8.5%inclusion5 decks59 decks
2%synergy
Up the Beanstalk
6.8%inclusion4 decks59 decks
2%synergy
Verity Circle
6.8%inclusion4 decks59 decks
6%synergy
Burgeoning
6.8%inclusion4 decks59 decks
0%synergy
Unnatural Growth
6.8%inclusion4 decks59 decks
3%synergy
Sylvan Library
6.8%inclusion4 decks59 decks
-2%synergy
Dismiss into Dream
6.8%inclusion4 decks59 decks
7%synergy
Fertile Ground
6.8%inclusion4 decks59 decks
5%synergy
Mirror Room // Fractured Realm
6.8%inclusion4 decks59 decks
5%synergy
Military Intelligence
5.1%inclusion3 decks59 decks
5%synergy
Back from the Brink
5.1%inclusion3 decks59 decks
5%synergy
Levitation
5.1%inclusion3 decks59 decks
4%synergy
Kenrith's Transformation
5.1%inclusion3 decks59 decks
1%synergy
Overgrowth
5.1%inclusion3 decks59 decks
4%synergy
Battles
Invasion of Ikoria
6.8%inclusion4 decks59 decks
2%synergy
Invasion of Zendikar
5.1%inclusion3 decks59 decks
3%synergy
Invasion of Segovia
5.1%inclusion3 decks59 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
25%inclusion15 decks59 decks
18%synergy
Utility Lands
Reliquary Tower
61%inclusion36 decks59 decks
11%synergy
Temple of the False God
29%inclusion17 decks59 decks
13%synergy
Boseiju, Who Endures
27%inclusion16 decks59 decks
5%synergy
Otawara, Soaring City
27%inclusion16 decks59 decks
8%synergy
Mistrise Village
27%inclusion14 decks52 decks
16%synergy
Mosswort Bridge
24%inclusion14 decks59 decks
6%synergy
Yavimaya, Cradle of Growth
24%inclusion14 decks59 decks
2%synergy
Mystic Sanctuary
22%inclusion13 decks59 decks
9%synergy
Alchemist's Refuge
17%inclusion10 decks59 decks
-1%synergy
Command Beacon
15%inclusion9 decks59 decks
11%synergy
Rogue's Passage
14%inclusion8 decks59 decks
-8%synergy
Evendo, Waking Haven
10%inclusion4 decks39 decks
5%synergy
Castle Garenbrig
10%inclusion6 decks59 decks
6%synergy
Three Tree City
10%inclusion6 decks59 decks
5%synergy
Restless Vinestalk
8.5%inclusion5 decks59 decks
3%synergy
Scavenger Grounds
8.5%inclusion5 decks59 decks
4%synergy
Lumbering Falls
8.5%inclusion5 decks59 decks
2%synergy
Wasteland
6.8%inclusion4 decks59 decks
5%synergy
War Room
6.8%inclusion4 decks59 decks
5%synergy
Castle Vantress
6.8%inclusion4 decks59 decks
0%synergy
Dryad Arbor
6.8%inclusion4 decks59 decks
1%synergy
Kishla Village
5.8%inclusion3 decks52 decks
5%synergy
Witch's Clinic
5.1%inclusion3 decks59 decks
5%synergy
Rivendell
5.1%inclusion3 decks59 decks
-1%synergy
Thespian's Stage
5.1%inclusion3 decks59 decks
-2%synergy
Dark Depths
5.1%inclusion3 decks59 decks
-1%synergy
Bonders' Enclave
5.1%inclusion3 decks59 decks
3%synergy
Mana Artifacts
Sol Ring
92%inclusion54 decks59 decks
11%synergy
Arcane Signet
75%inclusion44 decks59 decks
12%synergy
Thought Vessel
29%inclusion17 decks59 decks
9%synergy
Simic Signet
25%inclusion15 decks59 decks
-7%synergy
Talisman of Curiosity
24%inclusion14 decks59 decks
2%synergy
Thran Dynamo
10%inclusion6 decks59 decks
7%synergy
Decanter of Endless Water
8.5%inclusion5 decks59 decks
3%synergy
Chromatic Lantern
6.8%inclusion4 decks59 decks
5%synergy
Fellwar Stone
6.8%inclusion4 decks59 decks
-3%synergy
Caged Sun
5.1%inclusion3 decks59 decks
5%synergy
Commander's Sphere
5.1%inclusion3 decks59 decks
-3%synergy
Mind Stone
5.1%inclusion3 decks59 decks
1%synergy
Lands
Command Tower
98%inclusion58 decks59 decks
13%synergy
Island
95%inclusion56 decks59 decks
-1%synergy
Forest
95%inclusion56 decks59 decks
0%synergy
Hinterland Harbor
75%inclusion44 decks59 decks
15%synergy
Breeding Pool
64%inclusion38 decks59 decks
19%synergy
Yavimaya Coast
64%inclusion38 decks59 decks
12%synergy
Rejuvenating Springs
63%inclusion37 decks59 decks
19%synergy
Simic Growth Chamber
59%inclusion35 decks59 decks
11%synergy
Dreamroot Cascade
58%inclusion34 decks59 decks
16%synergy
Flooded Grove
54%inclusion32 decks59 decks
14%synergy
Misty Rainforest
49%inclusion29 decks59 decks
18%synergy
Temple of Mystery
42%inclusion25 decks59 decks
4%synergy
Vineglimmer Snarl
36%inclusion21 decks59 decks
-3%synergy
Hedge Maze
36%inclusion21 decks59 decks
16%synergy
Waterlogged Grove
34%inclusion20 decks59 decks
13%synergy
Barkchannel Pathway
34%inclusion20 decks59 decks
14%synergy
Willowrush Verge
26%inclusion15 decks58 decks
10%synergy
Exotic Orchard
25%inclusion15 decks59 decks
1%synergy
Rimewood Falls
25%inclusion15 decks59 decks
16%synergy
Fabled Passage
24%inclusion14 decks59 decks
9%synergy
Tropical Island
24%inclusion14 decks59 decks
10%synergy
Evolving Wilds
24%inclusion14 decks59 decks
-1%synergy
Bala Ged Recovery
22%inclusion13 decks59 decks
12%synergy
Tangled Islet
20%inclusion12 decks59 decks
4%synergy
Myriad Landscape
19%inclusion11 decks59 decks
-3%synergy
Sea Gate Restoration
19%inclusion11 decks59 decks
13%synergy
Sink into Stupor
19%inclusion11 decks59 decks
7%synergy
Thornwood Falls
17%inclusion10 decks59 decks
-1%synergy
Glasspool Mimic
15%inclusion9 decks59 decks
11%synergy
Botanical Sanctum
14%inclusion8 decks59 decks
1%synergy
Blighted Woodland
12%inclusion7 decks59 decks
4%synergy
Terramorphic Expanse
12%inclusion7 decks59 decks
-8%synergy
Littjara Mirrorlake
12%inclusion7 decks59 decks
8%synergy
Verdant Catacombs
12%inclusion7 decks59 decks
2%synergy
Windswept Heath
10%inclusion6 decks59 decks
0%synergy
Disciple of Freyalise
10%inclusion6 decks59 decks
5%synergy
Snow-Covered Island
10%inclusion6 decks59 decks
3%synergy
Snow-Covered Forest
10%inclusion6 decks59 decks
3%synergy
Scalding Tarn
10%inclusion6 decks59 decks
0%synergy
Prismatic Vista
8.5%inclusion5 decks59 decks
1%synergy
Hydroelectric Specimen
8.5%inclusion5 decks59 decks
3%synergy
Overflowing Basin
8.5%inclusion5 decks59 decks
-11%synergy
Bridgeworks Battle
8.5%inclusion5 decks59 decks
4%synergy
Polluted Delta
8.5%inclusion5 decks59 decks
-2%synergy
Flooded Strand
8.5%inclusion5 decks59 decks
-3%synergy
Wooded Foothills
6.8%inclusion4 decks59 decks
-3%synergy
Turntimber Symbiosis
6.8%inclusion4 decks59 decks
4%synergy
Tangled Florahedron
6.8%inclusion4 decks59 decks
5%synergy
Cavern of Souls
6.8%inclusion4 decks59 decks
1%synergy
Plaza of Heroes
6.8%inclusion4 decks59 decks
5%synergy