The Monstrous Serpent (Commander) - Budget Optimized

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #308
28decks
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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Battles
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
The Unagi of Kyoshi Island
14%inclusion1 decks7 decks
9%synergy
Aang's Journey
6.3%inclusion1 decks16 decks
6%synergy
High Synergy Cards
Adrix and Nev, Twincasters
61%inclusion17 decks28 decks
52%synergy
Koma, World-Eater
64%inclusion18 decks28 decks
51%synergy
Junk Winder
57%inclusion16 decks28 decks
51%synergy
Spark Double
54%inclusion15 decks28 decks
44%synergy
Serpent of Yawning Depths
50%inclusion14 decks28 decks
44%synergy
Whelming Wave
54%inclusion15 decks28 decks
42%synergy
Elemental Bond
46%inclusion13 decks28 decks
41%synergy
Arixmethes, Slumbering Isle
54%inclusion15 decks28 decks
40%synergy
Aesi, Tyrant of Gyre Strait
57%inclusion16 decks28 decks
40%synergy
Double Major
46%inclusion13 decks28 decks
38%synergy
Top Cards
Cultivate
68%inclusion19 decks28 decks
21%synergy
Counterspell
68%inclusion19 decks28 decks
18%synergy
Rampant Growth
64%inclusion18 decks28 decks
24%synergy
Kodama's Reach
64%inclusion18 decks28 decks
28%synergy
Llanowar Elves
57%inclusion16 decks28 decks
29%synergy
Tatyova, Benthic Druid
57%inclusion16 decks28 decks
26%synergy
Beast Within
57%inclusion16 decks28 decks
7%synergy
Growth Spiral
54%inclusion15 decks28 decks
9%synergy
Swiftfoot Boots
50%inclusion14 decks28 decks
24%synergy
Sakura-Tribe Elder
50%inclusion14 decks28 decks
31%synergy
Game Changers
Seedborn Muse
32%inclusion9 decks28 decks
16%synergy
Cyclonic Rift
29%inclusion8 decks28 decks
3%synergy
Rhystic Study
18%inclusion5 decks28 decks
-4%synergy
Mystical Tutor
14%inclusion4 decks28 decks
5%synergy
Worldly Tutor
14%inclusion4 decks28 decks
-1%synergy
Narset, Parter of Veils
11%inclusion3 decks28 decks
9%synergy
Fierce Guardianship
7.1%inclusion2 decks28 decks
-10%synergy
Consecrated Sphinx
7.1%inclusion2 decks28 decks
-2%synergy
Creatures
Murkfiend Liege
46%inclusion13 decks28 decks
32%synergy
Elvish Mystic
46%inclusion13 decks28 decks
22%synergy
Hullbreaker Horror
39%inclusion11 decks28 decks
21%synergy
Garruk's Packleader
36%inclusion10 decks28 decks
33%synergy
Ohran Frostfang
36%inclusion10 decks28 decks
32%synergy
Slinn Voda, the Rising Deep
29%inclusion8 decks28 decks
22%synergy
Sakashima the Impostor
29%inclusion8 decks28 decks
26%synergy
Spawning Kraken
29%inclusion8 decks28 decks
21%synergy
Archetype of Imagination
29%inclusion8 decks28 decks
24%synergy
Solemn Simulacrum
25%inclusion7 decks28 decks
18%synergy
Esix, Fractal Bloom
25%inclusion7 decks28 decks
21%synergy
Fyndhorn Elves
25%inclusion7 decks28 decks
9%synergy
Coiling Oracle
25%inclusion7 decks28 decks
12%synergy
Craterhoof Behemoth
25%inclusion7 decks28 decks
15%synergy
Sakashima of a Thousand Faces
25%inclusion7 decks28 decks
20%synergy
Reclamation Sage
21%inclusion6 decks28 decks
7%synergy
Eternal Witness
21%inclusion6 decks28 decks
1%synergy
Scourge of Fleets
21%inclusion6 decks28 decks
14%synergy
Birds of Paradise
21%inclusion6 decks28 decks
-6%synergy
Octomancer
21%inclusion6 decks28 decks
17%synergy
Fanatic of Rhonas
21%inclusion6 decks28 decks
16%synergy
Nezahal, Primal Tide
21%inclusion6 decks28 decks
11%synergy
Xolatoyac, the Smiling Flood
21%inclusion6 decks28 decks
14%synergy
Enduring Vitality
18%inclusion5 decks28 decks
10%synergy
Progenitor Mimic
18%inclusion5 decks28 decks
13%synergy
Curiosity Crafter
18%inclusion5 decks28 decks
14%synergy
Kiora, Sovereign of the Deep
18%inclusion5 decks28 decks
16%synergy
Stormtide Leviathan
18%inclusion5 decks28 decks
12%synergy
Clever Impersonator
18%inclusion5 decks28 decks
13%synergy
Rampaging Baloths
14%inclusion4 decks28 decks
-3%synergy
Auton Soldier
14%inclusion4 decks28 decks
12%synergy
Jaheira, Friend of the Forest
14%inclusion4 decks28 decks
10%synergy
Saryth, the Viper's Fang
14%inclusion4 decks28 decks
13%synergy
Loot, Exuberant Explorer
14%inclusion4 decks28 decks
7%synergy
Inga and Esika
14%inclusion4 decks28 decks
12%synergy
Kinnan, Bonder Prodigy
14%inclusion4 decks28 decks
11%synergy
Troyan, Gutsy Explorer
11%inclusion3 decks28 decks
8%synergy
Gyre Engineer
11%inclusion3 decks28 decks
8%synergy
Glasspool Mimic
11%inclusion3 decks28 decks
6%synergy
Roaming Throne
11%inclusion3 decks28 decks
3%synergy
Kiora, the Rising Tide
11%inclusion3 decks28 decks
8%synergy
Azusa, Lost but Seeking
11%inclusion3 decks28 decks
-3%synergy
Moritte of the Frost
11%inclusion3 decks28 decks
9%synergy
Benthic Anomaly
11%inclusion3 decks28 decks
8%synergy
Verdant Sun's Avatar
11%inclusion3 decks28 decks
9%synergy
Tireless Provisioner
11%inclusion3 decks28 decks
-4%synergy
Kodama of the East Tree
11%inclusion3 decks28 decks
5%synergy
Summon: Leviathan
8.7%inclusion2 decks23 decks
1%synergy
Collector Ouphe
7.1%inclusion2 decks28 decks
6%synergy
Acidic Slime
7.1%inclusion2 decks28 decks
1%synergy
Instants
Reality Shift
43%inclusion12 decks28 decks
28%synergy
Negate
39%inclusion11 decks28 decks
13%synergy
Pongify
36%inclusion10 decks28 decks
11%synergy
Arcane Denial
32%inclusion9 decks28 decks
10%synergy
Heroic Intervention
32%inclusion9 decks28 decks
2%synergy
Second Harvest
32%inclusion9 decks28 decks
26%synergy
Return of the Wildspeaker
29%inclusion8 decks28 decks
18%synergy
An Offer You Can't Refuse
25%inclusion7 decks28 decks
1%synergy
Snakeskin Veil
21%inclusion6 decks28 decks
16%synergy
Rapid Hybridization
21%inclusion6 decks28 decks
-5%synergy
Decisive Denial
18%inclusion5 decks28 decks
13%synergy
Brainstorm
18%inclusion5 decks28 decks
3%synergy
Resculpt
14%inclusion4 decks28 decks
8%synergy
Planar Genesis
14%inclusion4 decks28 decks
3%synergy
Eureka Moment
14%inclusion4 decks28 decks
3%synergy
Plasm Capture
14%inclusion4 decks28 decks
11%synergy
Krosan Grip
14%inclusion4 decks28 decks
7%synergy
Mystic Reflection
14%inclusion4 decks28 decks
12%synergy
Harrow
14%inclusion4 decks28 decks
2%synergy
Strix Serenade
14%inclusion4 decks28 decks
11%synergy
Refute
11%inclusion3 decks28 decks
9%synergy
Opt
11%inclusion3 decks28 decks
3%synergy
Return to Nature
11%inclusion3 decks28 decks
5%synergy
Wash Away
11%inclusion3 decks28 decks
9%synergy
Snap
11%inclusion3 decks28 decks
6%synergy
Tamiyo's Safekeeping
11%inclusion3 decks28 decks
5%synergy
Voidslime
11%inclusion3 decks28 decks
6%synergy
Shore Up
11%inclusion3 decks28 decks
8%synergy
Annul
11%inclusion3 decks28 decks
10%synergy
Noxious Revival
11%inclusion3 decks28 decks
5%synergy
Archdruid's Charm
11%inclusion3 decks28 decks
5%synergy
Swan Song
11%inclusion3 decks28 decks
-9%synergy
Disdainful Stroke
7.1%inclusion2 decks28 decks
6%synergy
Tyvar's Stand
7.1%inclusion2 decks28 decks
4%synergy
Fact or Fiction
7.1%inclusion2 decks28 decks
5%synergy
Force of Vigor
7.1%inclusion2 decks28 decks
2%synergy
Cancel
7.1%inclusion2 decks28 decks
5%synergy
Disallow
7.1%inclusion2 decks28 decks
5%synergy
Quandrix Command
7.1%inclusion2 decks28 decks
2%synergy
Arachnogenesis
7.1%inclusion2 decks28 decks
5%synergy
Hide on the Ceiling
7.1%inclusion1 decks14 decks
6%synergy
Aetherize
7.1%inclusion2 decks28 decks
-5%synergy
Bane's Contingency
7.1%inclusion2 decks28 decks
6%synergy
Unsummon
7.1%inclusion2 decks28 decks
6%synergy
Cackling Counterpart
7.1%inclusion2 decks28 decks
4%synergy
Hunter's Insight
7.1%inclusion2 decks28 decks
6%synergy
Incubation // Incongruity
7.1%inclusion2 decks28 decks
5%synergy
Khalni Ambush
7.1%inclusion2 decks28 decks
5%synergy
Blinding Fog
7.1%inclusion2 decks28 decks
7%synergy
Time Stop
7.1%inclusion2 decks28 decks
7%synergy
Sorceries
Nature's Lore
43%inclusion12 decks28 decks
12%synergy
Farseek
39%inclusion11 decks28 decks
14%synergy
Irenicus's Vile Duplication
39%inclusion11 decks28 decks
33%synergy
Skyshroud Claim
32%inclusion9 decks28 decks
23%synergy
Rite of Replication
29%inclusion8 decks28 decks
21%synergy
Explore
25%inclusion7 decks28 decks
5%synergy
Finale of Devastation
18%inclusion5 decks28 decks
6%synergy
Rishkar's Expertise
18%inclusion5 decks28 decks
9%synergy
Quantum Misalignment
18%inclusion5 decks28 decks
15%synergy
Three Visits
18%inclusion5 decks28 decks
-5%synergy
Doppelgang
18%inclusion5 decks28 decks
11%synergy
Shamanic Revelation
14%inclusion4 decks28 decks
9%synergy
Migration Path
14%inclusion4 decks28 decks
11%synergy
Bala Ged Recovery
11%inclusion3 decks28 decks
1%synergy
Overwhelming Stampede
11%inclusion3 decks28 decks
-2%synergy
Titania's Command
11%inclusion3 decks28 decks
10%synergy
Aggressive Biomancy
11%inclusion3 decks28 decks
6%synergy
Search for Tomorrow
11%inclusion3 decks28 decks
6%synergy
Explosive Vegetation
11%inclusion3 decks28 decks
5%synergy
Urban Evolution
11%inclusion3 decks28 decks
1%synergy
Flare of Cultivation
7.1%inclusion2 decks28 decks
5%synergy
Fabricate
7.1%inclusion2 decks28 decks
0%synergy
Bribery
7.1%inclusion2 decks28 decks
7%synergy
Distant Melody
7.1%inclusion2 decks28 decks
4%synergy
River's Rebuke
7.1%inclusion2 decks28 decks
5%synergy
Ponder
7.1%inclusion2 decks28 decks
0%synergy
Green Sun's Zenith
7.1%inclusion2 decks28 decks
-2%synergy
Map the Frontier
7.1%inclusion2 decks28 decks
6%synergy
Gitaxian Probe
7.1%inclusion2 decks28 decks
5%synergy
Atraxa's Fall
7.1%inclusion2 decks28 decks
7%synergy
Circuitous Route
7.1%inclusion2 decks28 decks
5%synergy
Preordain
7.1%inclusion2 decks28 decks
-1%synergy
Harmonize
7.1%inclusion2 decks28 decks
2%synergy
Personal Tutor
7.1%inclusion2 decks28 decks
6%synergy
Bushwhack
7.1%inclusion2 decks28 decks
5%synergy
Ravenform
7.1%inclusion2 decks28 decks
3%synergy
Regrowth
7.1%inclusion2 decks28 decks
3%synergy
Nissa's Pilgrimage
7.1%inclusion2 decks28 decks
6%synergy
Utility Artifacts
Emerald Medallion
25%inclusion7 decks28 decks
22%synergy
Combine Chrysalis
25%inclusion7 decks28 decks
21%synergy
Lightning Greaves
21%inclusion6 decks28 decks
0%synergy
Mirror Box
21%inclusion6 decks28 decks
18%synergy
Helm of the Host
21%inclusion6 decks28 decks
16%synergy
Sapphire Medallion
21%inclusion6 decks28 decks
18%synergy
Eldrazi Monument
14%inclusion4 decks28 decks
14%synergy
Banner of Kinship
11%inclusion3 decks28 decks
9%synergy
Winter Moon
11%inclusion3 decks28 decks
11%synergy
Giant's Amulet
11%inclusion3 decks28 decks
11%synergy
Torpor Orb
11%inclusion3 decks28 decks
11%synergy
Idol of Oblivion
7.1%inclusion2 decks28 decks
4%synergy
Glaring Spotlight
7.1%inclusion2 decks28 decks
7%synergy
Weathered Runestone
7.1%inclusion2 decks28 decks
7%synergy
Vexing Bauble
7.1%inclusion2 decks28 decks
7%synergy
Wayfarer's Bauble
7.1%inclusion2 decks28 decks
5%synergy
Coat of Arms
7.1%inclusion2 decks28 decks
6%synergy
Whispersilk Cloak
7.1%inclusion2 decks28 decks
5%synergy
Bident of Thassa
7.1%inclusion2 decks28 decks
0%synergy
Larval Scoutlander
5.6%inclusion1 decks18 decks
5%synergy
Enchantments
Doubling Season
46%inclusion13 decks28 decks
37%synergy
Parallel Lives
39%inclusion11 decks28 decks
33%synergy
Tribute to the World Tree
32%inclusion9 decks28 decks
26%synergy
Garruk's Uprising
25%inclusion7 decks28 decks
8%synergy
Kindred Discovery
21%inclusion6 decks28 decks
12%synergy
Primal Vigor
21%inclusion6 decks28 decks
18%synergy
Mystic Remora
18%inclusion5 decks28 decks
3%synergy
Beastmaster Ascension
14%inclusion4 decks28 decks
11%synergy
Asceticism
14%inclusion4 decks28 decks
11%synergy
Paradox Haze
14%inclusion4 decks28 decks
14%synergy
Propaganda
14%inclusion4 decks28 decks
8%synergy
Unnatural Growth
14%inclusion4 decks28 decks
11%synergy
Nature's Will
14%inclusion4 decks28 decks
13%synergy
Kenrith's Transformation
14%inclusion4 decks28 decks
10%synergy
Defense of the Heart
14%inclusion4 decks28 decks
12%synergy
Growing Rites of Itlimoc
14%inclusion4 decks28 decks
8%synergy
Cryptolith Rite
11%inclusion3 decks28 decks
8%synergy
Imprisoned in the Moon
11%inclusion3 decks28 decks
7%synergy
In Search of Greatness
11%inclusion3 decks28 decks
9%synergy
Freed from the Real
11%inclusion3 decks28 decks
6%synergy
Extravagant Replication
11%inclusion3 decks28 decks
8%synergy
Wilderness Reclamation
11%inclusion3 decks28 decks
2%synergy
Utopia Sprawl
7.1%inclusion2 decks28 decks
1%synergy
Unable to Scream
7.1%inclusion2 decks28 decks
6%synergy
Vesuvan Duplimancy
7.1%inclusion2 decks28 decks
5%synergy
Wild Growth
7.1%inclusion2 decks28 decks
-2%synergy
Copy Enchantment
7.1%inclusion2 decks28 decks
6%synergy
Sylvan Library
7.1%inclusion2 decks28 decks
-2%synergy
Hall of Gemstone
7.1%inclusion2 decks28 decks
7%synergy
Stasis Field
7.1%inclusion2 decks28 decks
7%synergy
Kiora Bests the Sea God
7.1%inclusion2 decks28 decks
5%synergy
Mana Reflection
7.1%inclusion2 decks28 decks
2%synergy
Witness Protection
7.1%inclusion2 decks28 decks
4%synergy
Stasis
7.1%inclusion2 decks28 decks
7%synergy
Eaten by Piranhas
7.1%inclusion2 decks28 decks
5%synergy
Back to Basics
7.1%inclusion2 decks28 decks
7%synergy
Utter Insignificance
7.1%inclusion2 decks28 decks
6%synergy
Omniscience
7.1%inclusion2 decks28 decks
2%synergy
Mirrormade
7.1%inclusion2 decks28 decks
5%synergy
Retreat to Coralhelm
7.1%inclusion2 decks28 decks
-3%synergy
Bounty of the Luxa
7.1%inclusion2 decks28 decks
6%synergy
Confounding Conundrum
7.1%inclusion2 decks28 decks
7%synergy
Moonlit Meditation
5.6%inclusion1 decks18 decks
4%synergy
Battles
Invasion of Segovia
7.1%inclusion2 decks28 decks
6%synergy
Planeswalkers
Oko, Thief of Crowns
18%inclusion5 decks28 decks
11%synergy
Nissa, Who Shakes the World
14%inclusion4 decks28 decks
11%synergy
Tamiyo, Compleated Sage
11%inclusion3 decks28 decks
10%synergy
Kiora, the Crashing Wave
7.1%inclusion2 decks28 decks
4%synergy
Kiora, Master of the Depths
7.1%inclusion2 decks28 decks
5%synergy
Utility Lands
Mosswort Bridge
43%inclusion12 decks28 decks
26%synergy
Reliquary Tower
36%inclusion10 decks28 decks
-14%synergy
Rogue's Passage
32%inclusion9 decks28 decks
10%synergy
Temple of the False God
18%inclusion5 decks28 decks
2%synergy
Castle Vantress
11%inclusion3 decks28 decks
4%synergy
Alchemist's Refuge
11%inclusion3 decks28 decks
-6%synergy
Castle Garenbrig
11%inclusion3 decks28 decks
6%synergy
Tranquil Thicket
7.1%inclusion2 decks28 decks
3%synergy
Mystic Sanctuary
7.1%inclusion2 decks28 decks
-5%synergy
Mana Artifacts
Sol Ring
82%inclusion23 decks28 decks
2%synergy
Arcane Signet
71%inclusion20 decks28 decks
8%synergy
Simic Signet
39%inclusion11 decks28 decks
7%synergy
Talisman of Curiosity
32%inclusion9 decks28 decks
10%synergy
Thought Vessel
29%inclusion8 decks28 decks
8%synergy
Fellwar Stone
11%inclusion3 decks28 decks
1%synergy
Commander's Sphere
11%inclusion3 decks28 decks
3%synergy
Moss Diamond
7.1%inclusion2 decks28 decks
6%synergy
Thran Dynamo
7.1%inclusion2 decks28 decks
4%synergy
Pristine Talisman
7.1%inclusion2 decks28 decks
7%synergy
Sky Diamond
7.1%inclusion2 decks28 decks
6%synergy
Lands
Island
100%inclusion28 decks28 decks
5%synergy
Forest
100%inclusion28 decks28 decks
5%synergy
Command Tower
79%inclusion22 decks28 decks
-7%synergy
Hinterland Harbor
71%inclusion20 decks28 decks
12%synergy
Flooded Grove
64%inclusion18 decks28 decks
23%synergy
Temple of Mystery
54%inclusion15 decks28 decks
16%synergy
Simic Growth Chamber
54%inclusion15 decks28 decks
5%synergy
Yavimaya Coast
54%inclusion15 decks28 decks
1%synergy
Vineglimmer Snarl
46%inclusion13 decks28 decks
8%synergy
Rejuvenating Springs
43%inclusion12 decks28 decks
-1%synergy
Dreamroot Cascade
32%inclusion9 decks28 decks
-10%synergy
Evolving Wilds
32%inclusion9 decks28 decks
7%synergy
Thornwood Falls
29%inclusion8 decks28 decks
11%synergy
Terramorphic Expanse
25%inclusion7 decks28 decks
5%synergy
Overflowing Basin
25%inclusion7 decks28 decks
6%synergy
Breeding Pool
25%inclusion7 decks28 decks
-21%synergy
Botanical Sanctum
18%inclusion5 decks28 decks
5%synergy
Path of Ancestry
18%inclusion5 decks28 decks
1%synergy
Fabled Passage
18%inclusion5 decks28 decks
3%synergy
Myriad Landscape
18%inclusion5 decks28 decks
-4%synergy
Exotic Orchard
18%inclusion5 decks28 decks
-6%synergy
Thriving Grove
14%inclusion4 decks28 decks
13%synergy
Tangled Islet
14%inclusion4 decks28 decks
-2%synergy
Barkchannel Pathway
14%inclusion4 decks28 decks
-6%synergy
Waterlogged Grove
11%inclusion3 decks28 decks
-10%synergy
Glasspool Mimic
11%inclusion3 decks28 decks
6%synergy
Hedge Maze
11%inclusion3 decks28 decks
-9%synergy
Bala Ged Recovery
11%inclusion3 decks28 decks
1%synergy
Simic Guildgate
11%inclusion3 decks28 decks
1%synergy
Rimewood Falls
11%inclusion3 decks28 decks
2%synergy
Willowrush Verge
11%inclusion3 decks28 decks
-6%synergy
Quandrix Campus
7.1%inclusion2 decks28 decks
0%synergy
Misty Rainforest
7.1%inclusion2 decks28 decks
-24%synergy
Khalni Ambush
7.1%inclusion2 decks28 decks
5%synergy
Littjara Mirrorlake
7.1%inclusion2 decks28 decks
3%synergy
Thriving Isle
7.1%inclusion2 decks28 decks
5%synergy
Secluded Courtyard
7.1%inclusion2 decks28 decks
0%synergy
Brokers Hideout
7.1%inclusion2 decks28 decks
2%synergy
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