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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
The Terror of Serpent's Pass
9.1%inclusion1 decks11 decks
9%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
71%inclusion20 decks28 decks
58%synergy
Elemental Bond
56%inclusion19 decks34 decks
50%synergy
Irenicus's Vile Duplication
56%inclusion19 decks34 decks
50%synergy
Junk Winder
56%inclusion19 decks34 decks
49%synergy
Spark Double
53%inclusion18 decks34 decks
43%synergy
Double Major
50%inclusion17 decks34 decks
42%synergy
Sakashima of a Thousand Faces
44%inclusion15 decks34 decks
39%synergy
Cultivate
85%inclusion29 decks34 decks
38%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
25%synergy
Beast Within
62%inclusion21 decks34 decks
12%synergy
Growth Spiral
56%inclusion19 decks34 decks
11%synergy
Murkfiend Liege
50%inclusion17 decks34 decks
35%synergy
Aesi, Tyrant of Gyre Strait
50%inclusion17 decks34 decks
33%synergy
Negate
47%inclusion16 decks34 decks
21%synergy
Farseek
47%inclusion16 decks34 decks
23%synergy
Second Harvest
44%inclusion15 decks34 decks
38%synergy
Game Changers
Worldly Tutor
8.8%inclusion3 decks34 decks
-7%synergy
Seedborn Muse
5.9%inclusion2 decks34 decks
-10%synergy
Creatures
Spawning Kraken
44%inclusion15 decks34 decks
37%synergy
Elvish Mystic
41%inclusion14 decks34 decks
17%synergy
Llanowar Elves
41%inclusion14 decks34 decks
13%synergy
Esix, Fractal Bloom
41%inclusion14 decks34 decks
37%synergy
Arixmethes, Slumbering Isle
41%inclusion14 decks34 decks
28%synergy
Sakura-Tribe Elder
41%inclusion14 decks34 decks
22%synergy
Tatyova, Benthic Druid
38%inclusion13 decks34 decks
7%synergy
Sakashima the Impostor
38%inclusion13 decks34 decks
36%synergy
Serpent of Yawning Depths
35%inclusion12 decks34 decks
29%synergy
Hullbreaker Horror
32%inclusion11 decks34 decks
15%synergy
Octomancer
31%inclusion9 decks29 decks
26%synergy
Garruk's Packleader
29%inclusion10 decks34 decks
27%synergy
Coiling Oracle
29%inclusion10 decks34 decks
16%synergy
Summon: Leviathan
29%inclusion6 decks21 decks
21%synergy
Slinn Voda, the Rising Deep
26%inclusion9 decks34 decks
20%synergy
Enduring Vitality
24%inclusion7 decks29 decks
17%synergy
Eternal Witness
24%inclusion8 decks34 decks
2%synergy
Roaming Throne
24%inclusion8 decks34 decks
15%synergy
Nadir Kraken
24%inclusion8 decks34 decks
19%synergy
Birds of Paradise
24%inclusion8 decks34 decks
-4%synergy
Fanatic of Rhonas
21%inclusion6 decks29 decks
15%synergy
Avenger of Zendikar
21%inclusion7 decks34 decks
3%synergy
Scourge of Fleets
21%inclusion7 decks34 decks
13%synergy
Archetype of Imagination
21%inclusion7 decks34 decks
16%synergy
Ohran Frostfang
21%inclusion7 decks34 decks
17%synergy
Fyndhorn Elves
21%inclusion7 decks34 decks
5%synergy
Curiosity Crafter
18%inclusion6 decks34 decks
14%synergy
Troyan, Gutsy Explorer
18%inclusion6 decks34 decks
14%synergy
Lotus Cobra
18%inclusion6 decks34 decks
4%synergy
Scute Swarm
18%inclusion6 decks34 decks
-3%synergy
Reclamation Sage
15%inclusion5 decks34 decks
0%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
Kiora, Sovereign of the Deep
15%inclusion5 decks34 decks
13%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
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
Nezahal, Primal Tide
12%inclusion4 decks34 decks
1%synergy
Clever Impersonator
12%inclusion4 decks34 decks
7%synergy
Reef Worm
12%inclusion4 decks34 decks
8%synergy
Enduring Curiosity
10%inclusion3 decks29 decks
7%synergy
Sin, Unending Cataclysm
10%inclusion2 decks20 decks
7%synergy
Iceridge Serpent
9.1%inclusion2 decks22 decks
9%synergy
Rashmi, Eternities Crafter
8.8%inclusion3 decks34 decks
6%synergy
Orvar, the All-Form
8.8%inclusion3 decks34 decks
8%synergy
Gyre Engineer
8.8%inclusion3 decks34 decks
6%synergy
Instants
Return of the Wildspeaker
41%inclusion14 decks34 decks
31%synergy
Rapid Hybridization
29%inclusion10 decks34 decks
3%synergy
Snakeskin Veil
29%inclusion10 decks34 decks
24%synergy
Pongify
26%inclusion9 decks34 decks
2%synergy
Heroic Intervention
26%inclusion9 decks34 decks
-4%synergy
Simic Charm
26%inclusion9 decks34 decks
18%synergy
Krosan Grip
24%inclusion8 decks34 decks
16%synergy
Planar Genesis
21%inclusion6 decks29 decks
10%synergy
An Offer You Can't Refuse
21%inclusion7 decks34 decks
-2%synergy
Reality Shift
21%inclusion7 decks34 decks
6%synergy
Arcane Denial
21%inclusion7 decks34 decks
-2%synergy
Eureka Moment
18%inclusion6 decks34 decks
7%synergy
Brainstorm
18%inclusion6 decks34 decks
3%synergy
Sublime Epiphany
18%inclusion6 decks34 decks
16%synergy
Harrow
18%inclusion6 decks34 decks
6%synergy
Return to Nature
18%inclusion6 decks34 decks
12%synergy
Fact or Fiction
15%inclusion5 decks34 decks
12%synergy
Resculpt
15%inclusion5 decks34 decks
9%synergy
Cackling Counterpart
15%inclusion5 decks34 decks
11%synergy
Tamiyo's Safekeeping
15%inclusion5 decks34 decks
9%synergy
Sink into Stupor
14%inclusion4 decks29 decks
2%synergy
Repulsive Mutation
12%inclusion4 decks33 decks
7%synergy
Mizzium Skin
12%inclusion4 decks34 decks
11%synergy
Mystic Reflection
12%inclusion4 decks34 decks
9%synergy
Roiling Regrowth
12%inclusion4 decks34 decks
8%synergy
Nature's Claim
12%inclusion4 decks34 decks
2%synergy
Mana Drain
12%inclusion4 decks34 decks
-4%synergy
Perplexing Test
12%inclusion4 decks34 decks
7%synergy
Voidslime
12%inclusion4 decks34 decks
7%synergy
Collective Resistance
10%inclusion3 decks29 decks
7%synergy
Archdruid's Charm
9.1%inclusion3 decks33 decks
3%synergy
Disdainful Stroke
8.8%inclusion3 decks34 decks
7%synergy
See Double
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
Aetherize
8.8%inclusion3 decks34 decks
-3%synergy
Cancel
8.8%inclusion3 decks34 decks
7%synergy
Into the Roil
8.8%inclusion3 decks34 decks
7%synergy
Biosynthic Burst
8.3%inclusion1 decks12 decks
7%synergy
Refute
7.1%inclusion2 decks28 decks
5%synergy
Long River's Pull
6.9%inclusion2 decks29 decks
3%synergy
Frantic Search
5.9%inclusion2 decks34 decks
0%synergy
Fog
5.9%inclusion2 decks34 decks
3%synergy
Decisive Denial
5.9%inclusion2 decks34 decks
1%synergy
Biomass Mutation
5.9%inclusion2 decks34 decks
3%synergy
Stubborn Denial
5.9%inclusion2 decks34 decks
3%synergy
Disruption Protocol
5.9%inclusion2 decks34 decks
5%synergy
Broken Wings
5.9%inclusion2 decks34 decks
5%synergy
Dispel
5.9%inclusion2 decks34 decks
1%synergy
Filter Out
5.9%inclusion2 decks34 decks
3%synergy
Sorceries
Nature's Lore
44%inclusion15 decks34 decks
14%synergy
Explore
41%inclusion14 decks34 decks
21%synergy
Migration Path
32%inclusion11 decks34 decks
29%synergy
Three Visits
29%inclusion10 decks34 decks
6%synergy
Overwhelming Stampede
29%inclusion10 decks34 decks
17%synergy
Quantum Misalignment
26%inclusion9 decks34 decks
24%synergy
Skyshroud Claim
26%inclusion9 decks34 decks
17%synergy
Explosive Vegetation
24%inclusion8 decks34 decks
18%synergy
Shamanic Revelation
24%inclusion8 decks34 decks
18%synergy
Rite of Replication
24%inclusion8 decks34 decks
16%synergy
Doppelgang
21%inclusion7 decks33 decks
15%synergy
Distant Melody
21%inclusion7 decks34 decks
17%synergy
Harmonize
18%inclusion6 decks34 decks
12%synergy
Bala Ged Recovery
18%inclusion6 decks34 decks
8%synergy
Croaking Counterpart
15%inclusion5 decks34 decks
10%synergy
Quasiduplicate
15%inclusion5 decks34 decks
12%synergy
Repudiate // Replicate
15%inclusion5 decks34 decks
12%synergy
Urban Evolution
15%inclusion5 decks34 decks
5%synergy
Ezuri's Predation
15%inclusion5 decks34 decks
7%synergy
Replication Technique
12%inclusion4 decks34 decks
8%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 decks29 decks
6%synergy
Pest Infestation
8.8%inclusion3 decks34 decks
7%synergy
Overrun
8.8%inclusion3 decks34 decks
7%synergy
Oversimplify
8.8%inclusion3 decks34 decks
5%synergy
Rally the Galadhrim
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
6.9%inclusion2 decks29 decks
2%synergy
For the Common Good
6.9%inclusion2 decks29 decks
5%synergy
Polymorph
5.9%inclusion2 decks34 decks
6%synergy
Ranger's Path
5.9%inclusion2 decks34 decks
5%synergy
Into the North
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
Triumph of the Hordes
5.9%inclusion2 decks34 decks
3%synergy
Neoform
5.9%inclusion2 decks34 decks
2%synergy
Sea Gate Restoration
5.9%inclusion2 decks34 decks
0%synergy
Curse of the Swine
5.9%inclusion2 decks34 decks
-5%synergy
Adventurous Impulse
5.9%inclusion2 decks34 decks
5%synergy
Finale of Devastation
5.9%inclusion2 decks34 decks
-6%synergy
Search for Tomorrow
5.9%inclusion2 decks34 decks
1%synergy
Spectral Deluge
5.9%inclusion2 decks34 decks
5%synergy
Bushwhack
5.9%inclusion2 decks34 decks
4%synergy
Nissa's Pilgrimage
5.9%inclusion2 decks34 decks
4%synergy
Raise the Palisade
5.9%inclusion2 decks34 decks
-1%synergy
Utility Artifacts
Swiftfoot Boots
44%inclusion15 decks34 decks
18%synergy
Helm of the Host
41%inclusion14 decks34 decks
36%synergy
Combine Chrysalis
35%inclusion12 decks34 decks
31%synergy
Mirror Box
29%inclusion10 decks34 decks
26%synergy
Idol of Oblivion
26%inclusion9 decks34 decks
23%synergy
Emerald Medallion
18%inclusion6 decks34 decks
15%synergy
Bident of Thassa
18%inclusion6 decks34 decks
10%synergy
Lightning Greaves
15%inclusion5 decks34 decks
-7%synergy
Esika's Chariot
12%inclusion4 decks34 decks
10%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
Ashnod's Altar
5.9%inclusion2 decks34 decks
5%synergy
Mirror Gallery
5.9%inclusion2 decks34 decks
5%synergy
Proteus Staff
5.9%inclusion2 decks34 decks
6%synergy
Whispersilk Cloak
5.9%inclusion2 decks34 decks
4%synergy
The Earth Crystal
5.3%inclusion1 decks19 decks
1%synergy
Enchantments
Tribute to the World Tree
41%inclusion14 decks34 decks
35%synergy
Parallel Lives
41%inclusion14 decks34 decks
35%synergy
Kindred Discovery
38%inclusion13 decks34 decks
28%synergy
Doubling Season
38%inclusion13 decks34 decks
29%synergy
Growing Rites of Itlimoc
32%inclusion11 decks34 decks
26%synergy
Garruk's Uprising
21%inclusion7 decks34 decks
4%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
Extravagant Replication
15%inclusion5 decks34 decks
12%synergy
Unnatural Growth
15%inclusion5 decks34 decks
11%synergy
Primal Vigor
15%inclusion5 decks34 decks
12%synergy
Propaganda
15%inclusion5 decks34 decks
8%synergy
Utopia Sprawl
12%inclusion4 decks34 decks
5%synergy
Beastmaster Ascension
12%inclusion4 decks34 decks
9%synergy
Kenrith's Transformation
12%inclusion4 decks34 decks
7%synergy
Paradox Haze
12%inclusion4 decks34 decks
11%synergy
Mirror Room // Fractured Realm
10%inclusion3 decks29 decks
9%synergy
Impostor Syndrome
10%inclusion1 decks10 decks
8%synergy
Path of Discovery
8.8%inclusion3 decks34 decks
7%synergy
Ominous Seas
8.8%inclusion3 decks34 decks
4%synergy
Wilderness Reclamation
8.8%inclusion3 decks34 decks
0%synergy
Wild Growth
8.8%inclusion3 decks34 decks
0%synergy
Mystic Remora
8.8%inclusion3 decks34 decks
-7%synergy
Abundant Growth
8.8%inclusion3 decks34 decks
8%synergy
Witness Protection
8.8%inclusion3 decks34 decks
6%synergy
Reflections of Littjara
8.8%inclusion3 decks34 decks
1%synergy
Shadow of the Second Sun
6.9%inclusion2 decks29 decks
6%synergy
Utter Insignificance
6.9%inclusion2 decks29 decks
6%synergy
Walk-In Closet // Forgotten Cellar
6.9%inclusion2 decks29 decks
4%synergy
Reconnaissance Mission
5.9%inclusion2 decks34 decks
4%synergy
Season of Growth
5.9%inclusion2 decks34 decks
2%synergy
Vesuvan Duplimancy
5.9%inclusion2 decks34 decks
4%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
Insight
5.9%inclusion2 decks34 decks
6%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
18%inclusion6 decks34 decks
11%synergy
Garruk, Primal Hunter
8.8%inclusion3 decks34 decks
6%synergy
Kiora, Behemoth Beckoner
5.9%inclusion2 decks34 decks
-1%synergy
Utility Lands
Reliquary Tower
50%inclusion17 decks34 decks
0%synergy
Temple of the False God
29%inclusion10 decks34 decks
14%synergy
Mystic Sanctuary
26%inclusion9 decks34 decks
14%synergy
Rogue's Passage
21%inclusion7 decks34 decks
-1%synergy
Mosswort Bridge
18%inclusion6 decks34 decks
0%synergy
Yavimaya, Cradle of Growth
18%inclusion6 decks34 decks
-4%synergy
Three Tree City
17%inclusion5 decks29 decks
12%synergy
Command Beacon
15%inclusion5 decks34 decks
11%synergy
Castle Vantress
15%inclusion5 decks34 decks
8%synergy
Restless Vinestalk
12%inclusion4 decks34 decks
6%synergy
Mistrise Village
9.1%inclusion2 decks22 decks
-1%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
Evendo, Waking Haven
7.1%inclusion1 decks14 decks
2%synergy
Fountainport
6.9%inclusion2 decks29 decks
6%synergy
Arcane Lighthouse
5.9%inclusion2 decks34 decks
5%synergy
Seat of the Synod
5.9%inclusion2 decks34 decks
3%synergy
Lonely Sandbar
5.9%inclusion2 decks34 decks
2%synergy
Tranquil Thicket
5.9%inclusion2 decks34 decks
2%synergy
Castle Garenbrig
5.9%inclusion2 decks34 decks
1%synergy
Bonders' Enclave
5.9%inclusion2 decks34 decks
4%synergy
Mana Artifacts
Sol Ring
88%inclusion30 decks34 decks
8%synergy
Arcane Signet
76%inclusion26 decks34 decks
14%synergy
Simic Signet
59%inclusion20 decks34 decks
27%synergy
Talisman of Curiosity
41%inclusion14 decks34 decks
20%synergy
Thought Vessel
35%inclusion12 decks34 decks
15%synergy
Commander's Sphere
18%inclusion6 decks34 decks
9%synergy
Mind Stone
12%inclusion4 decks34 decks
7%synergy
Fellwar Stone
8.8%inclusion3 decks34 decks
-1%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
56%inclusion19 decks34 decks
17%synergy
Yavimaya Coast
56%inclusion19 decks34 decks
4%synergy
Hinterland Harbor
53%inclusion18 decks34 decks
-6%synergy
Dreamroot Cascade
50%inclusion17 decks34 decks
8%synergy
Simic Growth Chamber
47%inclusion16 decks34 decks
-1%synergy
Temple of Mystery
44%inclusion15 decks34 decks
6%synergy
Barkchannel Pathway
38%inclusion13 decks34 decks
18%synergy
Breeding Pool
35%inclusion12 decks34 decks
-10%synergy
Myriad Landscape
35%inclusion12 decks34 decks
13%synergy
Flooded Grove
35%inclusion12 decks34 decks
-5%synergy
Rejuvenating Springs
32%inclusion11 decks34 decks
-12%synergy
Exotic Orchard
29%inclusion10 decks34 decks
5%synergy
Evolving Wilds
29%inclusion10 decks34 decks
4%synergy
Thornwood Falls
29%inclusion10 decks34 decks
12%synergy
Waterlogged Grove
26%inclusion9 decks34 decks
6%synergy
Rimewood Falls
26%inclusion9 decks34 decks
17%synergy
Overflowing Basin
25%inclusion8 decks32 decks
6%synergy
Willowrush Verge
25%inclusion6 decks24 decks
9%synergy
Terramorphic Expanse
24%inclusion8 decks34 decks
4%synergy
Tangled Islet
24%inclusion8 decks34 decks
7%synergy
Hedge Maze
18%inclusion6 decks33 decks
-1%synergy
Fabled Passage
18%inclusion6 decks34 decks
3%synergy
Snow-Covered Forest
18%inclusion6 decks34 decks
11%synergy
Bala Ged Recovery
18%inclusion6 decks34 decks
8%synergy
Snow-Covered Island
15%inclusion5 decks34 decks
8%synergy
Botanical Sanctum
15%inclusion5 decks34 decks
2%synergy
Simic Guildgate
15%inclusion5 decks34 decks
4%synergy
Sink into Stupor
14%inclusion4 decks29 decks
2%synergy
Lush Oasis
13%inclusion4 decks32 decks
6%synergy
Blighted Woodland
12%inclusion4 decks34 decks
4%synergy
Path of Ancestry
12%inclusion4 decks34 decks
-6%synergy
Glasspool Mimic
12%inclusion4 decks34 decks
7%synergy
Bridgeworks Battle
10%inclusion3 decks29 decks
6%synergy
Misty Rainforest
8.8%inclusion3 decks34 decks
-22%synergy
Quandrix Campus
8.8%inclusion3 decks34 decks
2%synergy
Littjara Mirrorlake
8.8%inclusion3 decks34 decks
5%synergy
Woodland Stream
8.8%inclusion3 decks34 decks
4%synergy
Disciple of Freyalise
6.9%inclusion2 decks29 decks
2%synergy
Hydroelectric Specimen
6.9%inclusion2 decks29 decks
1%synergy
Tanglepool Bridge
5.9%inclusion2 decks34 decks
1%synergy
Sea Gate Restoration
5.9%inclusion2 decks34 decks
0%synergy
Ash Barrens
5.9%inclusion2 decks34 decks
2%synergy
Reflecting Pool
5.9%inclusion2 decks34 decks
3%synergy
Cavern of Souls
5.9%inclusion2 decks34 decks
0%synergy
Demolition Field
5.9%inclusion2 decks34 decks
3%synergy
Brokers Hideout
5.9%inclusion2 decks34 decks
1%synergy