Koma, Cosmos Serpent (Commander) - Expensive 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
25%inclusion1 decks4 decks
20%synergy
High Synergy Cards
Sakashima of a Thousand Faces
95%inclusion37 decks39 decks
90%synergy
Elemental Bond
92%inclusion36 decks39 decks
87%synergy
Parallel Lives
90%inclusion35 decks39 decks
84%synergy
Spark Double
85%inclusion33 decks39 decks
75%synergy
Adrix and Nev, Twincasters
82%inclusion32 decks39 decks
74%synergy
Doubling Season
79%inclusion31 decks39 decks
70%synergy
Serpent of Yawning Depths
74%inclusion29 decks39 decks
68%synergy
Mana Drain
82%inclusion32 decks39 decks
66%synergy
Whelming Wave
77%inclusion30 decks39 decks
66%synergy
Irenicus's Vile Duplication
72%inclusion28 decks39 decks
66%synergy
Top Cards
Heroic Intervention
85%inclusion33 decks39 decks
54%synergy
Three Visits
82%inclusion32 decks39 decks
59%synergy
Beast Within
82%inclusion32 decks39 decks
32%synergy
Birds of Paradise
79%inclusion31 decks39 decks
52%synergy
Tribute to the World Tree
72%inclusion28 decks39 decks
65%synergy
Nature's Lore
69%inclusion27 decks39 decks
39%synergy
Cultivate
69%inclusion27 decks39 decks
22%synergy
Kodama's Reach
67%inclusion26 decks39 decks
30%synergy
Junk Winder
64%inclusion25 decks39 decks
57%synergy
Craterhoof Behemoth
64%inclusion25 decks39 decks
55%synergy
Game Changers
Gaea's Cradle
85%inclusion33 decks39 decks
77%synergy
Rhystic Study
82%inclusion32 decks39 decks
60%synergy
Cyclonic Rift
82%inclusion32 decks39 decks
56%synergy
Fierce Guardianship
77%inclusion30 decks39 decks
60%synergy
Ancient Tomb
62%inclusion24 decks39 decks
52%synergy
Force of Will
59%inclusion23 decks39 decks
49%synergy
Worldly Tutor
49%inclusion19 decks39 decks
33%synergy
Consecrated Sphinx
44%inclusion17 decks39 decks
35%synergy
Seedborn Muse
38%inclusion15 decks39 decks
23%synergy
Mystical Tutor
31%inclusion12 decks39 decks
21%synergy
Creatures
Aesi, Tyrant of Gyre Strait
62%inclusion24 decks39 decks
44%synergy
Sakashima the Impostor
62%inclusion24 decks39 decks
59%synergy
Roaming Throne
59%inclusion23 decks39 decks
51%synergy
Spawning Kraken
59%inclusion23 decks39 decks
52%synergy
Koma, World-Eater
56%inclusion15 decks27 decks
42%synergy
Llanowar Elves
46%inclusion18 decks39 decks
18%synergy
Eternal Witness
44%inclusion17 decks39 decks
23%synergy
Garruk's Packleader
41%inclusion16 decks39 decks
39%synergy
Fyndhorn Elves
41%inclusion16 decks39 decks
25%synergy
Elvish Mystic
38%inclusion15 decks39 decks
14%synergy
Enduring Vitality
34%inclusion11 decks32 decks
27%synergy
Ohran Frostfang
33%inclusion13 decks39 decks
30%synergy
Sakura-Tribe Elder
33%inclusion13 decks39 decks
14%synergy
Arixmethes, Slumbering Isle
31%inclusion12 decks39 decks
17%synergy
Fanatic of Rhonas
30%inclusion10 decks33 decks
25%synergy
Tatyova, Benthic Druid
28%inclusion11 decks39 decks
-3%synergy
Esix, Fractal Bloom
26%inclusion10 decks39 decks
22%synergy
Hullbreaker Horror
26%inclusion10 decks39 decks
8%synergy
Scute Swarm
23%inclusion9 decks39 decks
2%synergy
Toski, Bearer of Secrets
23%inclusion9 decks39 decks
20%synergy
Delighted Halfling
23%inclusion9 decks39 decks
12%synergy
Tendershoot Dryad
21%inclusion8 decks39 decks
18%synergy
Rampaging Baloths
15%inclusion6 decks39 decks
-2%synergy
Avenger of Zendikar
15%inclusion6 decks39 decks
-3%synergy
Murkfiend Liege
15%inclusion6 decks39 decks
1%synergy
Uro, Titan of Nature's Wrath
15%inclusion6 decks39 decks
6%synergy
Jaheira, Friend of the Forest
13%inclusion5 decks39 decks
9%synergy
Xolatoyac, the Smiling Flood
13%inclusion5 decks39 decks
5%synergy
Arasta of the Endless Web
13%inclusion5 decks39 decks
11%synergy
Progenitor Mimic
13%inclusion5 decks39 decks
8%synergy
Clever Impersonator
13%inclusion5 decks39 decks
8%synergy
Octomancer
12%inclusion4 decks33 decks
7%synergy
Curiosity Crafter
10%inclusion4 decks39 decks
7%synergy
Troyan, Gutsy Explorer
10%inclusion4 decks39 decks
7%synergy
Circle of Dreams Druid
10%inclusion4 decks39 decks
8%synergy
Arbor Elf
10%inclusion4 decks39 decks
4%synergy
Druid of Purification
10%inclusion4 decks39 decks
9%synergy
Slinn Voda, the Rising Deep
10%inclusion4 decks39 decks
4%synergy
Wood Elves
10%inclusion4 decks39 decks
3%synergy
Auton Soldier
10%inclusion4 decks39 decks
8%synergy
Archetype of Imagination
10%inclusion4 decks39 decks
6%synergy
Reef Worm
10%inclusion4 decks39 decks
7%synergy
Kona, Rescue Beastie
9.4%inclusion3 decks32 decks
8%synergy
Enduring Curiosity
9.4%inclusion3 decks32 decks
6%synergy
Skyserpent Seeker
8.7%inclusion2 decks23 decks
6%synergy
Reclamation Sage
7.7%inclusion3 decks39 decks
-7%synergy
Collector Ouphe
7.7%inclusion3 decks39 decks
7%synergy
Phyrexian Metamorph
7.7%inclusion3 decks39 decks
-1%synergy
Saryth, the Viper's Fang
7.7%inclusion3 decks39 decks
6%synergy
Nadir Kraken
7.7%inclusion3 decks39 decks
4%synergy
Instants
Counterspell
64%inclusion25 decks39 decks
14%synergy
Second Harvest
59%inclusion23 decks39 decks
53%synergy
An Offer You Can't Refuse
54%inclusion21 decks39 decks
31%synergy
Swan Song
54%inclusion21 decks39 decks
35%synergy
Growth Spiral
46%inclusion18 decks39 decks
2%synergy
Double Major
44%inclusion17 decks39 decks
35%synergy
Negate
41%inclusion16 decks39 decks
15%synergy
Chord of Calling
38%inclusion15 decks39 decks
31%synergy
Return of the Wildspeaker
36%inclusion14 decks39 decks
26%synergy
Rapid Hybridization
33%inclusion13 decks39 decks
7%synergy
Archdruid's Charm
31%inclusion11 decks35 decks
25%synergy
Arcane Denial
31%inclusion12 decks39 decks
8%synergy
Force of Negation
31%inclusion12 decks39 decks
22%synergy
Pongify
28%inclusion11 decks39 decks
3%synergy
Crop Rotation
26%inclusion10 decks39 decks
12%synergy
Force of Vigor
21%inclusion8 decks39 decks
16%synergy
Nature's Claim
21%inclusion8 decks39 decks
11%synergy
Sink into Stupor
18%inclusion6 decks33 decks
7%synergy
Krosan Grip
18%inclusion7 decks39 decks
10%synergy
Voidslime
18%inclusion7 decks39 decks
13%synergy
Pact of Negation
18%inclusion7 decks39 decks
11%synergy
Mystic Reflection
15%inclusion6 decks39 decks
13%synergy
Legolas's Quick Reflexes
15%inclusion6 decks39 decks
13%synergy
Tamiyo's Safekeeping
15%inclusion6 decks39 decks
10%synergy
Brainstorm
13%inclusion5 decks39 decks
-2%synergy
Reality Shift
13%inclusion5 decks39 decks
-2%synergy
Noxious Revival
13%inclusion5 decks39 decks
7%synergy
Veil of Summer
10%inclusion4 decks39 decks
4%synergy
Eureka Moment
10%inclusion4 decks39 decks
-1%synergy
Snakeskin Veil
10%inclusion4 decks39 decks
4%synergy
Tyvar's Stand
10%inclusion4 decks39 decks
8%synergy
Perplexing Test
10%inclusion4 decks39 decks
6%synergy
Flusterstorm
10%inclusion4 decks39 decks
4%synergy
Strix Serenade
9.1%inclusion3 decks33 decks
5%synergy
Collective Resistance
9.1%inclusion3 decks33 decks
6%synergy
Sublime Epiphany
7.7%inclusion3 decks39 decks
6%synergy
Harrow
7.7%inclusion3 decks39 decks
-4%synergy
Resculpt
7.7%inclusion3 decks39 decks
2%synergy
Simic Charm
7.7%inclusion3 decks39 decks
0%synergy
Planar Genesis
6.1%inclusion2 decks33 decks
-5%synergy
Muddle the Mixture
5.1%inclusion2 decks39 decks
1%synergy
Stubborn Denial
5.1%inclusion2 decks39 decks
3%synergy
Mindbreak Trap
5.1%inclusion2 decks39 decks
0%synergy
Entish Restoration
5.1%inclusion2 decks39 decks
-4%synergy
Return to Nature
5.1%inclusion2 decks39 decks
0%synergy
Slip Out the Back
5.1%inclusion2 decks39 decks
1%synergy
Disallow
5.1%inclusion2 decks39 decks
3%synergy
Delay
5.1%inclusion2 decks39 decks
3%synergy
Joint Exploration
5.1%inclusion2 decks39 decks
-1%synergy
Cryptic Command
5.1%inclusion2 decks39 decks
4%synergy
Sorceries
Farseek
59%inclusion23 decks39 decks
34%synergy
Finale of Devastation
56%inclusion22 decks39 decks
45%synergy
Rampant Growth
54%inclusion21 decks39 decks
13%synergy
Skyshroud Claim
49%inclusion19 decks39 decks
40%synergy
Quantum Misalignment
36%inclusion14 decks39 decks
33%synergy
Rite of Replication
28%inclusion11 decks39 decks
21%synergy
Green Sun's Zenith
23%inclusion9 decks39 decks
14%synergy
Bala Ged Recovery
21%inclusion8 decks39 decks
11%synergy
Triumph of the Hordes
18%inclusion7 decks39 decks
15%synergy
Explore
18%inclusion7 decks39 decks
-2%synergy
Overwhelming Stampede
18%inclusion7 decks39 decks
6%synergy
Sea Gate Restoration
13%inclusion5 decks39 decks
7%synergy
Rishkar's Expertise
13%inclusion5 decks39 decks
4%synergy
Flare of Cultivation
12%inclusion4 decks34 decks
10%synergy
Curse of the Swine
10%inclusion4 decks39 decks
-1%synergy
Last March of the Ents
7.7%inclusion3 decks39 decks
4%synergy
Shamanic Revelation
7.7%inclusion3 decks39 decks
2%synergy
Bridgeworks Battle
6.1%inclusion2 decks33 decks
1%synergy
Doppelgang
5.6%inclusion2 decks36 decks
-1%synergy
Ponder
5.1%inclusion2 decks39 decks
-2%synergy
Croaking Counterpart
5.1%inclusion2 decks39 decks
1%synergy
Replication Technique
5.1%inclusion2 decks39 decks
2%synergy
Pest Infestation
5.1%inclusion2 decks39 decks
4%synergy
Awaken the Woods
5.1%inclusion2 decks39 decks
0%synergy
Tempt with Discovery
5.1%inclusion2 decks39 decks
1%synergy
Lórien Revealed
5.1%inclusion2 decks39 decks
2%synergy
Temporal Manipulation
5.1%inclusion2 decks39 decks
4%synergy
Quasiduplicate
5.1%inclusion2 decks39 decks
2%synergy
Natural Order
5.1%inclusion2 decks39 decks
4%synergy
Search for Tomorrow
5.1%inclusion2 decks39 decks
0%synergy
Distant Melody
5.1%inclusion2 decks39 decks
2%synergy
Urban Evolution
5.1%inclusion2 decks39 decks
-4%synergy
Ezuri's Predation
5.1%inclusion2 decks39 decks
-3%synergy
Migration Path
5.1%inclusion2 decks39 decks
2%synergy
Regrowth
5.1%inclusion2 decks39 decks
1%synergy
Utility Artifacts
Helm of the Host
62%inclusion24 decks39 decks
56%synergy
Lightning Greaves
51%inclusion20 decks39 decks
29%synergy
Swiftfoot Boots
46%inclusion18 decks39 decks
20%synergy
Eldrazi Monument
33%inclusion13 decks39 decks
33%synergy
The Great Henge
31%inclusion12 decks39 decks
22%synergy
The One Ring
21%inclusion8 decks39 decks
13%synergy
Combine Chrysalis
21%inclusion8 decks39 decks
16%synergy
Mirror Box
15%inclusion6 decks39 decks
12%synergy
Winter Orb
13%inclusion5 decks39 decks
13%synergy
Static Orb
10%inclusion4 decks39 decks
10%synergy
Skullclamp
10%inclusion4 decks39 decks
9%synergy
Idol of Oblivion
10%inclusion4 decks39 decks
7%synergy
Akroma's Memorial
7.7%inclusion3 decks39 decks
7%synergy
Banner of Kinship
7.4%inclusion2 decks27 decks
6%synergy
Sensei's Divining Top
5.1%inclusion2 decks39 decks
1%synergy
Null Rod
5.1%inclusion2 decks39 decks
5%synergy
Coat of Arms
5.1%inclusion2 decks39 decks
4%synergy
Nevinyrral's Disk
5.1%inclusion2 decks39 decks
5%synergy
Bident of Thassa
5.1%inclusion2 decks39 decks
-2%synergy
Enchantments
Mystic Remora
44%inclusion17 decks39 decks
28%synergy
Sylvan Library
44%inclusion17 decks39 decks
34%synergy
Kindred Discovery
31%inclusion12 decks39 decks
21%synergy
Growing Rites of Itlimoc
28%inclusion11 decks39 decks
22%synergy
Beastmaster Ascension
26%inclusion10 decks39 decks
23%synergy
Exploration
23%inclusion9 decks39 decks
10%synergy
Primal Vigor
23%inclusion9 decks39 decks
20%synergy
Cryptolith Rite
18%inclusion7 decks39 decks
15%synergy
Utopia Sprawl
15%inclusion6 decks39 decks
9%synergy
Opposition
15%inclusion6 decks39 decks
15%synergy
Wild Growth
13%inclusion5 decks39 decks
4%synergy
Burgeoning
13%inclusion5 decks39 decks
6%synergy
Paradox Haze
13%inclusion5 decks39 decks
12%synergy
Defense of the Heart
13%inclusion5 decks39 decks
11%synergy
Extravagant Replication
10%inclusion4 decks39 decks
8%synergy
Awakening Zone
10%inclusion4 decks39 decks
9%synergy
Carpet of Flowers
7.7%inclusion3 decks39 decks
5%synergy
Paradox Zone
7.7%inclusion3 decks39 decks
6%synergy
Garruk's Uprising
7.7%inclusion3 decks39 decks
-9%synergy
Imprisoned in the Moon
7.7%inclusion3 decks39 decks
4%synergy
Propaganda
7.7%inclusion3 decks39 decks
1%synergy
Mirror Room // Fractured Realm
6.3%inclusion2 decks32 decks
5%synergy
Arcane Adaptation
5.1%inclusion2 decks39 decks
4%synergy
Sandwurm Convergence
5.1%inclusion2 decks39 decks
3%synergy
Earthcraft
5.1%inclusion2 decks39 decks
5%synergy
Ominous Seas
5.1%inclusion2 decks39 decks
1%synergy
Vesuvan Duplimancy
5.1%inclusion2 decks39 decks
3%synergy
Unnatural Growth
5.1%inclusion2 decks39 decks
2%synergy
Song of the Dryads
5.1%inclusion2 decks39 decks
4%synergy
Asceticism
5.1%inclusion2 decks39 decks
2%synergy
Kenrith's Transformation
5.1%inclusion2 decks39 decks
1%synergy
Stasis
5.1%inclusion2 decks39 decks
5%synergy
Dismiss into Dream
5.1%inclusion2 decks39 decks
5%synergy
Abundance
5.1%inclusion2 decks39 decks
3%synergy
Arcane Laboratory
5.1%inclusion2 decks39 decks
5%synergy
Battles
Invasion of Ikoria
7.7%inclusion3 decks39 decks
3%synergy
Planeswalkers
Oko, Thief of Crowns
51%inclusion20 decks39 decks
44%synergy
Garruk Wildspeaker
7.7%inclusion3 decks39 decks
7%synergy
Oko, the Ringleader
5.9%inclusion2 decks34 decks
5%synergy
Utility Lands
Boseiju, Who Endures
67%inclusion26 decks39 decks
44%synergy
Reliquary Tower
67%inclusion26 decks39 decks
17%synergy
Yavimaya, Cradle of Growth
59%inclusion23 decks39 decks
37%synergy
Otawara, Soaring City
59%inclusion23 decks39 decks
40%synergy
Command Beacon
56%inclusion22 decks39 decks
52%synergy
Three Tree City
45%inclusion15 decks33 decks
40%synergy
Mistrise Village
41%inclusion7 decks17 decks
31%synergy
Evendo, Waking Haven
38%inclusion3 decks8 decks
32%synergy
Mystic Sanctuary
18%inclusion7 decks39 decks
5%synergy
Alchemist's Refuge
15%inclusion6 decks39 decks
-2%synergy
Mosswort Bridge
15%inclusion6 decks39 decks
-2%synergy
Wasteland
13%inclusion5 decks39 decks
12%synergy
Strip Mine
13%inclusion5 decks39 decks
10%synergy
Castle Garenbrig
13%inclusion5 decks39 decks
8%synergy
Urza's Saga
10%inclusion4 decks39 decks
5%synergy
Scavenger Grounds
10%inclusion4 decks39 decks
6%synergy
Emergence Zone
10%inclusion4 decks39 decks
6%synergy
Field of the Dead
10%inclusion4 decks39 decks
4%synergy
Minamo, School at Water's Edge
7.7%inclusion3 decks39 decks
1%synergy
Homeward Path
7.7%inclusion3 decks39 decks
6%synergy
Rogue's Passage
7.7%inclusion3 decks39 decks
-14%synergy
Shifting Woodland
6.1%inclusion2 decks33 decks
-1%synergy
Glacial Chasm
5.1%inclusion2 decks39 decks
4%synergy
Nykthos, Shrine to Nyx
5.1%inclusion2 decks39 decks
2%synergy
Temple of the False God
5.1%inclusion2 decks39 decks
-10%synergy
Dryad Arbor
5.1%inclusion2 decks39 decks
-1%synergy
Mana Artifacts
Sol Ring
87%inclusion34 decks39 decks
7%synergy
Arcane Signet
85%inclusion33 decks39 decks
22%synergy
Talisman of Curiosity
56%inclusion22 decks39 decks
35%synergy
Thought Vessel
41%inclusion16 decks39 decks
21%synergy
Mana Vault
28%inclusion11 decks39 decks
22%synergy
Simic Signet
23%inclusion9 decks39 decks
-9%synergy
Chrome Mox
18%inclusion7 decks39 decks
11%synergy
Lotus Petal
13%inclusion5 decks39 decks
6%synergy
Mana Crypt
10%inclusion4 decks39 decks
7%synergy
Fellwar Stone
7.7%inclusion3 decks39 decks
-2%synergy
Mox Diamond
7.7%inclusion3 decks39 decks
2%synergy
Patchwork Banner
6.1%inclusion2 decks33 decks
3%synergy
Decanter of Endless Water
5.1%inclusion2 decks39 decks
0%synergy
Thran Dynamo
5.1%inclusion2 decks39 decks
2%synergy
Lands
Command Tower
97%inclusion38 decks39 decks
12%synergy
Breeding Pool
95%inclusion37 decks39 decks
49%synergy
Island
92%inclusion36 decks39 decks
-3%synergy
Forest
92%inclusion36 decks39 decks
-3%synergy
Misty Rainforest
90%inclusion35 decks39 decks
59%synergy
Tropical Island
87%inclusion34 decks39 decks
73%synergy
Rejuvenating Springs
82%inclusion32 decks39 decks
38%synergy
Yavimaya Coast
69%inclusion27 decks39 decks
17%synergy
Dreamroot Cascade
67%inclusion26 decks39 decks
25%synergy
Hinterland Harbor
67%inclusion26 decks39 decks
7%synergy
Barkchannel Pathway
54%inclusion21 decks39 decks
34%synergy
Willowrush Verge
48%inclusion11 decks23 decks
31%synergy
Hedge Maze
42%inclusion15 decks36 decks
22%synergy
Simic Growth Chamber
41%inclusion16 decks39 decks
-7%synergy
Fabled Passage
41%inclusion16 decks39 decks
27%synergy
Waterlogged Grove
38%inclusion15 decks39 decks
18%synergy
Prismatic Vista
36%inclusion14 decks39 decks
28%synergy
Flooded Grove
36%inclusion14 decks39 decks
-5%synergy
Windswept Heath
33%inclusion13 decks39 decks
23%synergy
Flooded Strand
33%inclusion13 decks39 decks
22%synergy
Wooded Foothills
31%inclusion12 decks39 decks
21%synergy
Polluted Delta
31%inclusion12 decks39 decks
20%synergy
Verdant Catacombs
28%inclusion11 decks39 decks
19%synergy
Exotic Orchard
26%inclusion10 decks39 decks
2%synergy
Scalding Tarn
23%inclusion9 decks39 decks
13%synergy
Bala Ged Recovery
21%inclusion8 decks39 decks
11%synergy
Mana Confluence
21%inclusion8 decks39 decks
15%synergy
Sink into Stupor
18%inclusion6 decks33 decks
7%synergy
City of Brass
18%inclusion7 decks39 decks
12%synergy
Myriad Landscape
15%inclusion6 decks39 decks
-7%synergy
Vineglimmer Snarl
15%inclusion6 decks39 decks
-23%synergy
Tangled Islet
15%inclusion6 decks39 decks
-1%synergy
Snow-Covered Island
15%inclusion6 decks39 decks
9%synergy
Snow-Covered Forest
15%inclusion6 decks39 decks
9%synergy
Sea Gate Restoration
13%inclusion5 decks39 decks
7%synergy
Cavern of Souls
13%inclusion5 decks39 decks
7%synergy
Gemstone Caverns
13%inclusion5 decks39 decks
7%synergy
Temple of Mystery
10%inclusion4 decks39 decks
-28%synergy
Rimewood Falls
10%inclusion4 decks39 decks
1%synergy
Blighted Woodland
7.7%inclusion3 decks39 decks
0%synergy
Reflecting Pool
7.7%inclusion3 decks39 decks
5%synergy
Glasspool Mimic
7.7%inclusion3 decks39 decks
3%synergy
Disciple of Freyalise
6.1%inclusion2 decks33 decks
1%synergy
Talon Gates of Madara
6.1%inclusion2 decks33 decks
-2%synergy
Bridgeworks Battle
6.1%inclusion2 decks33 decks
1%synergy
Littjara Mirrorlake
5.1%inclusion2 decks39 decks
1%synergy
Botanical Sanctum
5.1%inclusion2 decks39 decks
-7%synergy
Plaza of Heroes
5.1%inclusion2 decks39 decks
4%synergy