Koma, Cosmos Serpent (Commander) - Core 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
Ember Island Production
14%inclusion1 decks7 decks
13%synergy
Shared Roots
14%inclusion1 decks7 decks
11%synergy
Octopus Form
13%inclusion1 decks8 decks
12%synergy
The Unagi of Kyoshi Island
13%inclusion1 decks8 decks
7%synergy
The Terror of Serpent's Pass
8.3%inclusion1 decks12 decks
8%synergy
High Synergy Cards
Whelming Wave
76%inclusion26 decks34 decks
65%synergy
Adrix and Nev, Twincasters
71%inclusion24 decks34 decks
62%synergy
Koma, World-Eater
72%inclusion21 decks29 decks
59%synergy
Elemental Bond
59%inclusion20 decks34 decks
53%synergy
Double Major
56%inclusion19 decks34 decks
47%synergy
Irenicus's Vile Duplication
53%inclusion18 decks34 decks
47%synergy
Junk Winder
53%inclusion18 decks34 decks
46%synergy
Spark Double
53%inclusion18 decks34 decks
43%synergy
Cultivate
88%inclusion30 decks34 decks
41%synergy
Helm of the Host
44%inclusion15 decks34 decks
39%synergy
Top Cards
Rampant Growth
68%inclusion23 decks34 decks
27%synergy
Counterspell
68%inclusion23 decks34 decks
18%synergy
Kodama's Reach
62%inclusion21 decks34 decks
26%synergy
Beast Within
62%inclusion21 decks34 decks
12%synergy
Growth Spiral
56%inclusion19 decks34 decks
11%synergy
Aesi, Tyrant of Gyre Strait
53%inclusion18 decks34 decks
36%synergy
Murkfiend Liege
50%inclusion17 decks34 decks
36%synergy
Negate
47%inclusion16 decks34 decks
21%synergy
Farseek
47%inclusion16 decks34 decks
22%synergy
Nature's Lore
47%inclusion16 decks34 decks
17%synergy
Game Changers
Seedborn Muse
5.9%inclusion2 decks34 decks
-10%synergy
Worldly Tutor
5.9%inclusion2 decks34 decks
-10%synergy
Creatures
Llanowar Elves
44%inclusion15 decks34 decks
16%synergy
Spawning Kraken
44%inclusion15 decks34 decks
37%synergy
Tatyova, Benthic Druid
41%inclusion14 decks34 decks
10%synergy
Elvish Mystic
41%inclusion14 decks34 decks
17%synergy
Arixmethes, Slumbering Isle
41%inclusion14 decks34 decks
28%synergy
Sakashima of a Thousand Faces
41%inclusion14 decks34 decks
36%synergy
Esix, Fractal Bloom
38%inclusion13 decks34 decks
34%synergy
Sakashima the Impostor
38%inclusion13 decks34 decks
36%synergy
Sakura-Tribe Elder
38%inclusion13 decks34 decks
19%synergy
Serpent of Yawning Depths
35%inclusion12 decks34 decks
29%synergy
Hullbreaker Horror
35%inclusion12 decks34 decks
17%synergy
Octomancer
30%inclusion9 decks30 decks
25%synergy
Summon: Leviathan
27%inclusion6 decks22 decks
20%synergy
Garruk's Packleader
26%inclusion9 decks34 decks
24%synergy
Coiling Oracle
26%inclusion9 decks34 decks
13%synergy
Slinn Voda, the Rising Deep
26%inclusion9 decks34 decks
20%synergy
Nadir Kraken
24%inclusion8 decks34 decks
20%synergy
Roaming Throne
24%inclusion8 decks34 decks
16%synergy
Ohran Frostfang
24%inclusion8 decks34 decks
20%synergy
Fyndhorn Elves
24%inclusion8 decks34 decks
8%synergy
Enduring Vitality
23%inclusion7 decks30 decks
16%synergy
Scourge of Fleets
21%inclusion7 decks34 decks
13%synergy
Eternal Witness
21%inclusion7 decks34 decks
0%synergy
Avenger of Zendikar
21%inclusion7 decks34 decks
3%synergy
Birds of Paradise
21%inclusion7 decks34 decks
-7%synergy
Archetype of Imagination
21%inclusion7 decks34 decks
16%synergy
Fanatic of Rhonas
20%inclusion6 decks30 decks
14%synergy
Curiosity Crafter
18%inclusion6 decks34 decks
14%synergy
Troyan, Gutsy Explorer
18%inclusion6 decks34 decks
15%synergy
Scute Swarm
18%inclusion6 decks34 decks
-3%synergy
Reclamation Sage
15%inclusion5 decks34 decks
1%synergy
Stormtide Leviathan
15%inclusion5 decks34 decks
9%synergy
Xolatoyac, the Smiling Flood
15%inclusion5 decks34 decks
7%synergy
Phyrexian Metamorph
15%inclusion5 decks34 decks
6%synergy
Lotus Cobra
15%inclusion5 decks34 decks
1%synergy
Kiora, Sovereign of the Deep
15%inclusion5 decks34 decks
13%synergy
Nezahal, Primal Tide
15%inclusion5 decks34 decks
4%synergy
Champion of Lambholt
15%inclusion5 decks34 decks
10%synergy
Trygon Predator
15%inclusion5 decks34 decks
8%synergy
Gala Greeters
15%inclusion5 decks34 decks
13%synergy
Starwinder
14%inclusion2 decks14 decks
8%synergy
Arbor Elf
12%inclusion4 decks34 decks
5%synergy
Rampaging Baloths
12%inclusion4 decks34 decks
-5%synergy
Sphinx of the Second Sun
12%inclusion4 decks34 decks
10%synergy
Glasspool Mimic
12%inclusion4 decks34 decks
7%synergy
Clever Impersonator
12%inclusion4 decks34 decks
7%synergy
Reef Worm
12%inclusion4 decks34 decks
8%synergy
Zimone, All-Questioning
10%inclusion3 decks30 decks
9%synergy
Enduring Curiosity
10%inclusion3 decks30 decks
7%synergy
Sin, Unending Cataclysm
10%inclusion2 decks21 decks
6%synergy
Instants
Second Harvest
44%inclusion15 decks34 decks
38%synergy
Return of the Wildspeaker
38%inclusion13 decks34 decks
28%synergy
Rapid Hybridization
32%inclusion11 decks34 decks
6%synergy
Pongify
26%inclusion9 decks34 decks
2%synergy
Heroic Intervention
26%inclusion9 decks34 decks
-4%synergy
Simic Charm
26%inclusion9 decks34 decks
19%synergy
An Offer You Can't Refuse
24%inclusion8 decks34 decks
0%synergy
Snakeskin Veil
24%inclusion8 decks34 decks
18%synergy
Arcane Denial
24%inclusion8 decks34 decks
1%synergy
Planar Genesis
23%inclusion7 decks30 decks
13%synergy
Brainstorm
21%inclusion7 decks34 decks
6%synergy
Krosan Grip
21%inclusion7 decks34 decks
13%synergy
Eureka Moment
18%inclusion6 decks34 decks
7%synergy
Return to Nature
18%inclusion6 decks34 decks
12%synergy
Harrow
18%inclusion6 decks34 decks
6%synergy
Reality Shift
18%inclusion6 decks34 decks
3%synergy
Nature's Claim
15%inclusion5 decks34 decks
5%synergy
Fact or Fiction
15%inclusion5 decks34 decks
12%synergy
Sublime Epiphany
15%inclusion5 decks34 decks
13%synergy
Cackling Counterpart
15%inclusion5 decks34 decks
11%synergy
Sink into Stupor
13%inclusion4 decks30 decks
2%synergy
Mizzium Skin
12%inclusion4 decks34 decks
11%synergy
Perplexing Test
12%inclusion4 decks34 decks
7%synergy
Voidslime
12%inclusion4 decks34 decks
7%synergy
Repulsive Mutation
12%inclusion4 decks34 decks
7%synergy
Roiling Regrowth
12%inclusion4 decks34 decks
8%synergy
Mana Drain
12%inclusion4 decks34 decks
-4%synergy
Resculpt
12%inclusion4 decks34 decks
6%synergy
Tamiyo's Safekeeping
12%inclusion4 decks34 decks
6%synergy
Collective Resistance
10%inclusion3 decks30 decks
6%synergy
Disdainful Stroke
8.8%inclusion3 decks34 decks
7%synergy
Incubation // Incongruity
8.8%inclusion3 decks34 decks
7%synergy
Plasm Capture
8.8%inclusion3 decks34 decks
5%synergy
Cancel
8.8%inclusion3 decks34 decks
7%synergy
Archdruid's Charm
8.8%inclusion3 decks34 decks
3%synergy
Mystic Reflection
8.8%inclusion3 decks34 decks
6%synergy
Dispel
8.8%inclusion3 decks34 decks
4%synergy
Delay
8.8%inclusion3 decks34 decks
6%synergy
Into the Roil
8.8%inclusion3 decks34 decks
7%synergy
Biosynthic Burst
7.7%inclusion1 decks13 decks
7%synergy
Refute
6.9%inclusion2 decks29 decks
5%synergy
Long River's Pull
6.7%inclusion2 decks30 decks
3%synergy
Fog
5.9%inclusion2 decks34 decks
3%synergy
See Double
5.9%inclusion2 decks34 decks
4%synergy
Biomass Mutation
5.9%inclusion2 decks34 decks
3%synergy
Decisive Denial
5.9%inclusion2 decks34 decks
1%synergy
Stubborn Denial
5.9%inclusion2 decks34 decks
3%synergy
Joint Exploration
5.9%inclusion2 decks34 decks
0%synergy
Disruption Protocol
5.9%inclusion2 decks34 decks
5%synergy
Broken Wings
5.9%inclusion2 decks34 decks
5%synergy
Sorceries
Explore
41%inclusion14 decks34 decks
21%synergy
Three Visits
32%inclusion11 decks34 decks
9%synergy
Migration Path
32%inclusion11 decks34 decks
29%synergy
Skyshroud Claim
29%inclusion10 decks34 decks
20%synergy
Overwhelming Stampede
29%inclusion10 decks34 decks
17%synergy
Quantum Misalignment
24%inclusion8 decks34 decks
21%synergy
Explosive Vegetation
24%inclusion8 decks34 decks
18%synergy
Rite of Replication
24%inclusion8 decks34 decks
16%synergy
Doppelgang
21%inclusion7 decks34 decks
14%synergy
Shamanic Revelation
21%inclusion7 decks34 decks
15%synergy
Harmonize
18%inclusion6 decks34 decks
12%synergy
Distant Melody
18%inclusion6 decks34 decks
14%synergy
Urban Evolution
18%inclusion6 decks34 decks
8%synergy
Bala Ged Recovery
18%inclusion6 decks34 decks
8%synergy
Ezuri's Predation
15%inclusion5 decks34 decks
7%synergy
Repudiate // Replicate
15%inclusion5 decks34 decks
12%synergy
Croaking Counterpart
12%inclusion4 decks34 decks
7%synergy
Quasiduplicate
12%inclusion4 decks34 decks
9%synergy
Broken Bond
12%inclusion4 decks34 decks
7%synergy
Rishkar's Expertise
12%inclusion4 decks34 decks
3%synergy
Ravenform
12%inclusion4 decks34 decks
7%synergy
Bridgeworks Battle
10%inclusion3 decks30 decks
5%synergy
Overrun
8.8%inclusion3 decks34 decks
7%synergy
Oversimplify
8.8%inclusion3 decks34 decks
5%synergy
Replication Technique
8.8%inclusion3 decks34 decks
6%synergy
Into the North
8.8%inclusion3 decks34 decks
8%synergy
Pest Infestation
8.8%inclusion3 decks34 decks
7%synergy
Spitting Image
8.8%inclusion3 decks34 decks
7%synergy
Harvest Season
8.8%inclusion3 decks34 decks
7%synergy
Glimpse the Core
8.8%inclusion3 decks34 decks
8%synergy
Aggressive Biomancy
6.7%inclusion2 decks30 decks
2%synergy
For the Common Good
6.7%inclusion2 decks30 decks
5%synergy
Ponder
5.9%inclusion2 decks34 decks
-1%synergy
Polymorph
5.9%inclusion2 decks34 decks
6%synergy
Triumph of the Hordes
5.9%inclusion2 decks34 decks
3%synergy
Ranger's Path
5.9%inclusion2 decks34 decks
5%synergy
Circuitous Route
5.9%inclusion2 decks34 decks
4%synergy
Primal Command
5.9%inclusion2 decks34 decks
5%synergy
Neoform
5.9%inclusion2 decks34 decks
2%synergy
Search for Tomorrow
5.9%inclusion2 decks34 decks
1%synergy
Curse of the Swine
5.9%inclusion2 decks34 decks
-5%synergy
Adventurous Impulse
5.9%inclusion2 decks34 decks
5%synergy
Bushwhack
5.9%inclusion2 decks34 decks
4%synergy
Finale of Devastation
5.9%inclusion2 decks34 decks
-6%synergy
Nissa's Pilgrimage
5.9%inclusion2 decks34 decks
4%synergy
Finale of Revelation
5.9%inclusion2 decks34 decks
1%synergy
Rally the Galadhrim
5.9%inclusion2 decks34 decks
5%synergy
Spectral Deluge
5.9%inclusion2 decks34 decks
5%synergy
Raise the Palisade
5.9%inclusion2 decks34 decks
0%synergy
Utility Artifacts
Swiftfoot Boots
44%inclusion15 decks34 decks
19%synergy
Combine Chrysalis
38%inclusion13 decks34 decks
34%synergy
Mirror Box
26%inclusion9 decks34 decks
23%synergy
Idol of Oblivion
26%inclusion9 decks34 decks
23%synergy
Lightning Greaves
18%inclusion6 decks34 decks
-4%synergy
Emerald Medallion
18%inclusion6 decks34 decks
15%synergy
Bident of Thassa
15%inclusion5 decks34 decks
7%synergy
Esika's Chariot
12%inclusion4 decks34 decks
11%synergy
Eldrazi Monument
12%inclusion4 decks34 decks
11%synergy
Symmetry Matrix
8.8%inclusion3 decks34 decks
9%synergy
Sapphire Medallion
8.8%inclusion3 decks34 decks
6%synergy
Mirror Gallery
5.9%inclusion2 decks34 decks
5%synergy
Whispersilk Cloak
5.9%inclusion2 decks34 decks
4%synergy
Proteus Staff
5.9%inclusion2 decks34 decks
6%synergy
The Earth Crystal
5.0%inclusion1 decks20 decks
1%synergy
Enchantments
Tribute to the World Tree
41%inclusion14 decks34 decks
35%synergy
Parallel Lives
41%inclusion14 decks34 decks
35%synergy
Doubling Season
38%inclusion13 decks34 decks
29%synergy
Kindred Discovery
35%inclusion12 decks34 decks
26%synergy
Growing Rites of Itlimoc
29%inclusion10 decks34 decks
23%synergy
Garruk's Uprising
21%inclusion7 decks34 decks
4%synergy
Utopia Sprawl
15%inclusion5 decks34 decks
8%synergy
Cryptolith Rite
15%inclusion5 decks34 decks
12%synergy
Verity Circle
15%inclusion5 decks34 decks
14%synergy
Imprisoned in the Moon
15%inclusion5 decks34 decks
11%synergy
Unnatural Growth
15%inclusion5 decks34 decks
11%synergy
Kenrith's Transformation
15%inclusion5 decks34 decks
10%synergy
Primal Vigor
15%inclusion5 decks34 decks
12%synergy
Propaganda
15%inclusion5 decks34 decks
8%synergy
Beastmaster Ascension
12%inclusion4 decks34 decks
9%synergy
Extravagant Replication
12%inclusion4 decks34 decks
9%synergy
Mystic Remora
12%inclusion4 decks34 decks
-4%synergy
Mirror Room // Fractured Realm
10%inclusion3 decks30 decks
9%synergy
Impostor Syndrome
9.1%inclusion1 decks11 decks
7%synergy
Wild Growth
8.8%inclusion3 decks34 decks
0%synergy
Ominous Seas
8.8%inclusion3 decks34 decks
5%synergy
Wilderness Reclamation
8.8%inclusion3 decks34 decks
0%synergy
Abundant Growth
8.8%inclusion3 decks34 decks
8%synergy
Reflections of Littjara
8.8%inclusion3 decks34 decks
1%synergy
Paradox Haze
8.8%inclusion3 decks34 decks
8%synergy
Moonlit Meditation
7.1%inclusion1 decks14 decks
6%synergy
Shadow of the Second Sun
6.7%inclusion2 decks30 decks
6%synergy
Utter Insignificance
6.7%inclusion2 decks30 decks
6%synergy
Walk-In Closet // Forgotten Cellar
6.7%inclusion2 decks30 decks
4%synergy
Reconnaissance Mission
5.9%inclusion2 decks34 decks
4%synergy
Season of Growth
5.9%inclusion2 decks34 decks
2%synergy
Witness Protection
5.9%inclusion2 decks34 decks
3%synergy
Path of Discovery
5.9%inclusion2 decks34 decks
4%synergy
Insight
5.9%inclusion2 decks34 decks
6%synergy
Glorious Sunrise
5.9%inclusion2 decks34 decks
5%synergy
Sylvan Library
5.9%inclusion2 decks34 decks
-3%synergy
Leyline of Anticipation
5.9%inclusion2 decks34 decks
2%synergy
Kasmina's Transmutation
5.9%inclusion2 decks34 decks
4%synergy
Eaten by Piranhas
5.9%inclusion2 decks34 decks
4%synergy
Colossal Majesty
5.9%inclusion2 decks34 decks
4%synergy
Defense of the Heart
5.9%inclusion2 decks34 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
21%inclusion7 decks34 decks
14%synergy
Garruk, Primal Hunter
8.8%inclusion3 decks34 decks
7%synergy
Kiora, Behemoth Beckoner
5.9%inclusion2 decks34 decks
0%synergy
Utility Lands
Reliquary Tower
50%inclusion17 decks34 decks
0%synergy
Temple of the False God
26%inclusion9 decks34 decks
11%synergy
Mystic Sanctuary
24%inclusion8 decks34 decks
11%synergy
Rogue's Passage
21%inclusion7 decks34 decks
-1%synergy
Mosswort Bridge
18%inclusion6 decks34 decks
0%synergy
Three Tree City
17%inclusion5 decks30 decks
12%synergy
Command Beacon
15%inclusion5 decks34 decks
11%synergy
Yavimaya, Cradle of Growth
15%inclusion5 decks34 decks
-7%synergy
Castle Vantress
15%inclusion5 decks34 decks
8%synergy
Restless Vinestalk
12%inclusion4 decks34 decks
6%synergy
Coral Atoll
8.8%inclusion3 decks34 decks
6%synergy
Lumbering Falls
8.8%inclusion3 decks34 decks
2%synergy
Jungle Basin
8.8%inclusion3 decks34 decks
6%synergy
Mistrise Village
8.7%inclusion2 decks23 decks
-2%synergy
Fountainport
6.7%inclusion2 decks30 decks
6%synergy
Evendo, Waking Haven
6.7%inclusion1 decks15 decks
1%synergy
Arcane Lighthouse
5.9%inclusion2 decks34 decks
5%synergy
Seat of the Synod
5.9%inclusion2 decks34 decks
3%synergy
Tranquil Thicket
5.9%inclusion2 decks34 decks
2%synergy
Castle Garenbrig
5.9%inclusion2 decks34 decks
1%synergy
Lonely Sandbar
5.9%inclusion2 decks34 decks
2%synergy
Bonders' Enclave
5.9%inclusion2 decks34 decks
4%synergy
Mana Artifacts
Sol Ring
88%inclusion30 decks34 decks
8%synergy
Arcane Signet
74%inclusion25 decks34 decks
11%synergy
Simic Signet
56%inclusion19 decks34 decks
24%synergy
Talisman of Curiosity
44%inclusion15 decks34 decks
22%synergy
Thought Vessel
32%inclusion11 decks34 decks
12%synergy
Commander's Sphere
15%inclusion5 decks34 decks
7%synergy
Fellwar Stone
12%inclusion4 decks34 decks
2%synergy
Mind Stone
8.8%inclusion3 decks34 decks
4%synergy
Moss Diamond
5.9%inclusion2 decks34 decks
5%synergy
Simic Cluestone
5.9%inclusion2 decks34 decks
5%synergy
Lands
Command Tower
94%inclusion32 decks34 decks
9%synergy
Forest
91%inclusion31 decks34 decks
-4%synergy
Island
88%inclusion30 decks34 decks
-7%synergy
Vineglimmer Snarl
59%inclusion20 decks34 decks
20%synergy
Yavimaya Coast
56%inclusion19 decks34 decks
3%synergy
Hinterland Harbor
56%inclusion19 decks34 decks
-4%synergy
Dreamroot Cascade
50%inclusion17 decks34 decks
8%synergy
Simic Growth Chamber
44%inclusion15 decks34 decks
-4%synergy
Temple of Mystery
44%inclusion15 decks34 decks
6%synergy
Flooded Grove
38%inclusion13 decks34 decks
-3%synergy
Barkchannel Pathway
35%inclusion12 decks34 decks
15%synergy
Breeding Pool
32%inclusion11 decks34 decks
-14%synergy
Myriad Landscape
32%inclusion11 decks34 decks
11%synergy
Rejuvenating Springs
32%inclusion11 decks34 decks
-12%synergy
Exotic Orchard
29%inclusion10 decks34 decks
5%synergy
Waterlogged Grove
29%inclusion10 decks34 decks
9%synergy
Thornwood Falls
29%inclusion10 decks34 decks
12%synergy
Overflowing Basin
27%inclusion9 decks33 decks
8%synergy
Rimewood Falls
26%inclusion9 decks34 decks
17%synergy
Evolving Wilds
26%inclusion9 decks34 decks
1%synergy
Willowrush Verge
24%inclusion6 decks25 decks
7%synergy
Tangled Islet
24%inclusion8 decks34 decks
7%synergy
Terramorphic Expanse
21%inclusion7 decks34 decks
1%synergy
Snow-Covered Forest
21%inclusion7 decks34 decks
14%synergy
Fabled Passage
18%inclusion6 decks34 decks
3%synergy
Snow-Covered Island
18%inclusion6 decks34 decks
11%synergy
Botanical Sanctum
18%inclusion6 decks34 decks
5%synergy
Hedge Maze
18%inclusion6 decks34 decks
-2%synergy
Bala Ged Recovery
18%inclusion6 decks34 decks
8%synergy
Simic Guildgate
15%inclusion5 decks34 decks
5%synergy
Sink into Stupor
13%inclusion4 decks30 decks
2%synergy
Lush Oasis
12%inclusion4 decks33 decks
6%synergy
Blighted Woodland
12%inclusion4 decks34 decks
4%synergy
Glasspool Mimic
12%inclusion4 decks34 decks
7%synergy
Bridgeworks Battle
10%inclusion3 decks30 decks
5%synergy
Quandrix Campus
8.8%inclusion3 decks34 decks
2%synergy
Littjara Mirrorlake
8.8%inclusion3 decks34 decks
5%synergy
Path of Ancestry
8.8%inclusion3 decks34 decks
-8%synergy
Woodland Stream
8.8%inclusion3 decks34 decks
4%synergy
Disciple of Freyalise
6.7%inclusion2 decks30 decks
2%synergy
Hydroelectric Specimen
6.7%inclusion2 decks30 decks
1%synergy
Misty Rainforest
5.9%inclusion2 decks34 decks
-26%synergy
Tanglepool Bridge
5.9%inclusion2 decks34 decks
1%synergy
Demolition Field
5.9%inclusion2 decks34 decks
3%synergy
Brokers Hideout
5.9%inclusion2 decks34 decks
1%synergy
Reflecting Pool
5.9%inclusion2 decks34 decks
3%synergy