The Monstrous Serpent (Commander) - Expensive Upgraded

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #301
36decks
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
Shared Roots
18%inclusion2 decks11 decks
15%synergy
The Unagi of Kyoshi Island
9.1%inclusion1 decks11 decks
4%synergy
Ember Island Production
9.1%inclusion1 decks11 decks
8%synergy
Mutable Explorer
5.6%inclusion1 decks18 decks
5%synergy
High Synergy Cards
Parallel Lives
83%inclusion30 decks36 decks
77%synergy
Sakashima of a Thousand Faces
78%inclusion28 decks36 decks
73%synergy
Adrix and Nev, Twincasters
81%inclusion29 decks36 decks
72%synergy
Sakashima the Impostor
72%inclusion26 decks36 decks
70%synergy
Elemental Bond
75%inclusion27 decks36 decks
69%synergy
Spark Double
78%inclusion28 decks36 decks
68%synergy
Mana Drain
78%inclusion28 decks36 decks
62%synergy
Irenicus's Vile Duplication
67%inclusion24 decks36 decks
60%synergy
Serpent of Yawning Depths
64%inclusion23 decks36 decks
58%synergy
Doubling Season
67%inclusion24 decks36 decks
57%synergy
Top Cards
Nature's Lore
83%inclusion30 decks36 decks
53%synergy
Farseek
78%inclusion28 decks36 decks
53%synergy
Three Visits
75%inclusion27 decks36 decks
52%synergy
Heroic Intervention
72%inclusion26 decks36 decks
42%synergy
Beast Within
67%inclusion24 decks36 decks
17%synergy
Whelming Wave
67%inclusion24 decks36 decks
55%synergy
Cultivate
64%inclusion23 decks36 decks
17%synergy
Counterspell
64%inclusion23 decks36 decks
14%synergy
Rampant Growth
64%inclusion23 decks36 decks
23%synergy
Birds of Paradise
64%inclusion23 decks36 decks
36%synergy
Game Changers
Cyclonic Rift
58%inclusion21 decks36 decks
32%synergy
Gaea's Cradle
47%inclusion17 decks36 decks
40%synergy
Rhystic Study
39%inclusion14 decks36 decks
17%synergy
Fierce Guardianship
36%inclusion13 decks36 decks
19%synergy
Consecrated Sphinx
28%inclusion10 decks36 decks
19%synergy
Ancient Tomb
19%inclusion7 decks36 decks
10%synergy
Seedborn Muse
17%inclusion6 decks36 decks
1%synergy
Worldly Tutor
14%inclusion5 decks36 decks
-2%synergy
The One Ring
11%inclusion4 decks36 decks
3%synergy
Crop Rotation
5.6%inclusion2 decks36 decks
-8%synergy
Creatures
Koma, World-Eater
58%inclusion21 decks36 decks
45%synergy
Llanowar Elves
56%inclusion20 decks36 decks
28%synergy
Craterhoof Behemoth
53%inclusion19 decks36 decks
43%synergy
Spawning Kraken
50%inclusion18 decks36 decks
43%synergy
Junk Winder
50%inclusion18 decks36 decks
43%synergy
Elvish Mystic
47%inclusion17 decks36 decks
23%synergy
Aesi, Tyrant of Gyre Strait
47%inclusion17 decks36 decks
30%synergy
Roaming Throne
42%inclusion15 decks36 decks
34%synergy
Ohran Frostfang
39%inclusion14 decks36 decks
35%synergy
Arixmethes, Slumbering Isle
39%inclusion14 decks36 decks
25%synergy
Chameleon, Master of Disguise
33%inclusion6 decks18 decks
31%synergy
Summon: Leviathan
31%inclusion8 decks26 decks
24%synergy
Sakura-Tribe Elder
31%inclusion11 decks36 decks
11%synergy
Fanatic of Rhonas
28%inclusion10 decks36 decks
22%synergy
Fyndhorn Elves
28%inclusion10 decks36 decks
12%synergy
Archetype of Imagination
25%inclusion9 decks36 decks
21%synergy
Garruk's Packleader
25%inclusion9 decks36 decks
23%synergy
Eternal Witness
25%inclusion9 decks36 decks
4%synergy
Enduring Vitality
25%inclusion9 decks36 decks
18%synergy
Murkfiend Liege
25%inclusion9 decks36 decks
10%synergy
Tatyova, Benthic Druid
22%inclusion8 decks36 decks
-9%synergy
Octomancer
22%inclusion8 decks36 decks
17%synergy
Hullbreaker Horror
22%inclusion8 decks36 decks
5%synergy
Delighted Halfling
22%inclusion8 decks36 decks
11%synergy
Esix, Fractal Bloom
17%inclusion6 decks36 decks
13%synergy
Slinn Voda, the Rising Deep
17%inclusion6 decks36 decks
10%synergy
Enduring Curiosity
17%inclusion6 decks36 decks
13%synergy
Nezahal, Primal Tide
14%inclusion5 decks36 decks
3%synergy
Uro, Titan of Nature's Wrath
14%inclusion5 decks36 decks
4%synergy
Glasspool Mimic
14%inclusion5 decks36 decks
10%synergy
Saryth, the Viper's Fang
14%inclusion5 decks36 decks
12%synergy
Reclamation Sage
11%inclusion4 decks36 decks
-3%synergy
Circle of Dreams Druid
11%inclusion4 decks36 decks
9%synergy
Skyserpent Seeker
11%inclusion4 decks36 decks
8%synergy
Kinnan, Bonder Prodigy
11%inclusion4 decks36 decks
8%synergy
Auton Soldier
11%inclusion4 decks36 decks
8%synergy
Endurance
11%inclusion4 decks36 decks
6%synergy
Coiling Oracle
11%inclusion4 decks36 decks
-2%synergy
Wood Elves
11%inclusion4 decks36 decks
4%synergy
Scourge of Fleets
8.3%inclusion3 decks36 decks
0%synergy
Progenitor Mimic
8.3%inclusion3 decks36 decks
4%synergy
Stormtide Leviathan
8.3%inclusion3 decks36 decks
2%synergy
Scute Swarm
8.3%inclusion3 decks36 decks
-13%synergy
Tireless Provisioner
8.3%inclusion3 decks36 decks
-7%synergy
Champion of Lambholt
8.3%inclusion3 decks36 decks
3%synergy
Overlord of the Hauntwoods
8.3%inclusion3 decks36 decks
5%synergy
Azusa, Lost but Seeking
8.3%inclusion3 decks36 decks
-6%synergy
Torrential Gearhulk
8.3%inclusion3 decks36 decks
8%synergy
Toski, Bearer of Secrets
8.3%inclusion3 decks36 decks
5%synergy
Naga Fleshcrafter
6.3%inclusion2 decks32 decks
5%synergy
Instants
Swan Song
53%inclusion19 decks36 decks
34%synergy
Pongify
39%inclusion14 decks36 decks
14%synergy
Double Major
39%inclusion14 decks36 decks
30%synergy
An Offer You Can't Refuse
39%inclusion14 decks36 decks
16%synergy
Growth Spiral
39%inclusion14 decks36 decks
-6%synergy
Rapid Hybridization
36%inclusion13 decks36 decks
10%synergy
Negate
36%inclusion13 decks36 decks
10%synergy
Arcane Denial
33%inclusion12 decks36 decks
11%synergy
Second Harvest
33%inclusion12 decks36 decks
27%synergy
Sink into Stupor
31%inclusion11 decks36 decks
19%synergy
Krosan Grip
28%inclusion10 decks36 decks
20%synergy
Chord of Calling
25%inclusion9 decks36 decks
17%synergy
Force of Negation
22%inclusion8 decks36 decks
14%synergy
Return of the Wildspeaker
22%inclusion8 decks36 decks
12%synergy
Stubborn Denial
22%inclusion8 decks36 decks
20%synergy
Plasm Capture
19%inclusion7 decks36 decks
16%synergy
Reality Shift
19%inclusion7 decks36 decks
5%synergy
Archdruid's Charm
17%inclusion6 decks36 decks
10%synergy
Noxious Revival
17%inclusion6 decks36 decks
11%synergy
Pact of Negation
17%inclusion6 decks36 decks
9%synergy
Force of Vigor
17%inclusion6 decks36 decks
12%synergy
Nature's Claim
17%inclusion6 decks36 decks
7%synergy
Tamiyo's Safekeeping
14%inclusion5 decks36 decks
8%synergy
Voidslime
14%inclusion5 decks36 decks
9%synergy
Auroral Procession
13%inclusion4 decks32 decks
9%synergy
Brainstorm
11%inclusion4 decks36 decks
-3%synergy
Resculpt
11%inclusion4 decks36 decks
5%synergy
Planar Genesis
11%inclusion4 decks36 decks
0%synergy
Tyvar's Stand
11%inclusion4 decks36 decks
8%synergy
Consult the Star Charts
9.1%inclusion2 decks22 decks
7%synergy
Eureka Moment
8.3%inclusion3 decks36 decks
-3%synergy
Mental Misstep
8.3%inclusion3 decks36 decks
3%synergy
Harrow
8.3%inclusion3 decks36 decks
-4%synergy
Entish Restoration
8.3%inclusion3 decks36 decks
-1%synergy
Mizzium Skin
8.3%inclusion3 decks36 decks
8%synergy
Flusterstorm
8.3%inclusion3 decks36 decks
2%synergy
Snakeskin Veil
8.3%inclusion3 decks36 decks
3%synergy
Mindbreak Trap
8.3%inclusion3 decks36 decks
3%synergy
Simic Charm
8.3%inclusion3 decks36 decks
0%synergy
Three Steps Ahead
5.6%inclusion2 decks36 decks
3%synergy
Wrap in Vigor
5.6%inclusion2 decks36 decks
5%synergy
Sublime Epiphany
5.6%inclusion2 decks36 decks
3%synergy
Legolas's Quick Reflexes
5.6%inclusion2 decks36 decks
3%synergy
Ranger's Guile
5.6%inclusion2 decks36 decks
5%synergy
Slip Out the Back
5.6%inclusion2 decks36 decks
2%synergy
Delay
5.6%inclusion2 decks36 decks
3%synergy
Cryptic Command
5.6%inclusion2 decks36 decks
4%synergy
Lazotep Plating
5.6%inclusion2 decks36 decks
5%synergy
Spectral Interference
5.6%inclusion2 decks36 decks
5%synergy
Capsize
5.6%inclusion2 decks36 decks
5%synergy
Sorceries
Skyshroud Claim
56%inclusion20 decks36 decks
46%synergy
Kodama's Reach
56%inclusion20 decks36 decks
19%synergy
Quantum Misalignment
44%inclusion16 decks36 decks
42%synergy
Sea Gate Restoration
33%inclusion12 decks36 decks
28%synergy
Overwhelming Stampede
31%inclusion11 decks36 decks
18%synergy
Migration Path
22%inclusion8 decks36 decks
19%synergy
Finale of Devastation
22%inclusion8 decks36 decks
11%synergy
Bala Ged Recovery
22%inclusion8 decks36 decks
12%synergy
Into the North
22%inclusion8 decks36 decks
21%synergy
Turntimber Symbiosis
17%inclusion6 decks36 decks
14%synergy
Shamanic Revelation
17%inclusion6 decks36 decks
11%synergy
Green Sun's Zenith
14%inclusion5 decks36 decks
5%synergy
Vastwood Surge
14%inclusion5 decks36 decks
13%synergy
Rite of Replication
14%inclusion5 decks36 decks
7%synergy
Triumph of the Hordes
14%inclusion5 decks36 decks
11%synergy
Nature's Rhythm
13%inclusion4 decks32 decks
7%synergy
Windfall
11%inclusion4 decks36 decks
7%synergy
Distant Melody
11%inclusion4 decks36 decks
8%synergy
Hunting Wilds
11%inclusion4 decks36 decks
11%synergy
Rishkar's Expertise
11%inclusion4 decks36 decks
3%synergy
Ranger's Path
11%inclusion4 decks36 decks
10%synergy
Explore
11%inclusion4 decks36 decks
-9%synergy
Inundate
8.3%inclusion3 decks36 decks
8%synergy
Tempt with Discovery
8.3%inclusion3 decks36 decks
4%synergy
Bridgeworks Battle
8.3%inclusion3 decks36 decks
4%synergy
Regrowth
8.3%inclusion3 decks36 decks
5%synergy
Glimpse the Core
8.3%inclusion3 decks36 decks
8%synergy
Ponder
8.3%inclusion3 decks36 decks
1%synergy
Expropriate
8.3%inclusion3 decks36 decks
7%synergy
Polymorph
5.6%inclusion2 decks36 decks
5%synergy
Stock Up
5.6%inclusion2 decks36 decks
5%synergy
Sylvan Tutor
5.6%inclusion2 decks36 decks
4%synergy
Nissa's Pilgrimage
5.6%inclusion2 decks36 decks
4%synergy
Flare of Cultivation
5.6%inclusion2 decks36 decks
3%synergy
Overrun
5.6%inclusion2 decks36 decks
3%synergy
Curse of the Swine
5.6%inclusion2 decks36 decks
-5%synergy
Search for Tomorrow
5.6%inclusion2 decks36 decks
1%synergy
Explosive Vegetation
5.6%inclusion2 decks36 decks
0%synergy
Preordain
5.6%inclusion2 decks36 decks
-3%synergy
Solve the Equation
5.6%inclusion2 decks36 decks
3%synergy
Natural Order
5.6%inclusion2 decks36 decks
4%synergy
Parallel Evolution
5.6%inclusion2 decks36 decks
5%synergy
Raise the Palisade
5.6%inclusion2 decks36 decks
-1%synergy
Utility Artifacts
Lightning Greaves
61%inclusion22 decks36 decks
39%synergy
Helm of the Host
44%inclusion16 decks36 decks
39%synergy
The Great Henge
42%inclusion15 decks36 decks
33%synergy
Swiftfoot Boots
39%inclusion14 decks36 decks
13%synergy
Combine Chrysalis
19%inclusion7 decks36 decks
15%synergy
Mirror Box
19%inclusion7 decks36 decks
16%synergy
Eldrazi Monument
19%inclusion7 decks36 decks
19%synergy
Coat of Arms
14%inclusion5 decks36 decks
13%synergy
Emerald Medallion
14%inclusion5 decks36 decks
11%synergy
Proteus Staff
8.3%inclusion3 decks36 decks
8%synergy
Bident of Thassa
8.3%inclusion3 decks36 decks
1%synergy
Banner of Kinship
5.6%inclusion2 decks36 decks
4%synergy
Skullclamp
5.6%inclusion2 decks36 decks
4%synergy
Champion's Helm
5.6%inclusion2 decks36 decks
5%synergy
Idol of Oblivion
5.6%inclusion2 decks36 decks
2%synergy
Sapphire Medallion
5.6%inclusion2 decks36 decks
2%synergy
Enchantments
Tribute to the World Tree
61%inclusion22 decks36 decks
55%synergy
Kindred Discovery
47%inclusion17 decks36 decks
37%synergy
Mystic Remora
39%inclusion14 decks36 decks
24%synergy
Defense of the Heart
25%inclusion9 decks36 decks
23%synergy
Sylvan Library
22%inclusion8 decks36 decks
13%synergy
Utopia Sprawl
22%inclusion8 decks36 decks
16%synergy
Growing Rites of Itlimoc
19%inclusion7 decks36 decks
13%synergy
Cryptolith Rite
19%inclusion7 decks36 decks
16%synergy
Paradox Haze
19%inclusion7 decks36 decks
19%synergy
Garruk's Uprising
17%inclusion6 decks36 decks
0%synergy
Wild Growth
17%inclusion6 decks36 decks
8%synergy
Exploration
14%inclusion5 decks36 decks
1%synergy
Extravagant Replication
14%inclusion5 decks36 decks
12%synergy
Primal Vigor
14%inclusion5 decks36 decks
11%synergy
Moonlit Meditation
14%inclusion3 decks22 decks
12%synergy
Dismiss into Dream
11%inclusion4 decks36 decks
11%synergy
Beastmaster Ascension
11%inclusion4 decks36 decks
8%synergy
Impostor Syndrome
11%inclusion2 decks18 decks
9%synergy
Opposition
8.3%inclusion3 decks36 decks
8%synergy
One with the Multiverse
5.6%inclusion2 decks36 decks
3%synergy
Verity Circle
5.6%inclusion2 decks36 decks
5%synergy
Storm of Saruman
5.6%inclusion2 decks36 decks
5%synergy
Imprisoned in the Moon
5.6%inclusion2 decks36 decks
1%synergy
Unnatural Growth
5.6%inclusion2 decks36 decks
2%synergy
Amphibian Downpour
5.6%inclusion2 decks36 decks
0%synergy
Propaganda
5.6%inclusion2 decks36 decks
-1%synergy
Wilderness Reclamation
5.6%inclusion2 decks36 decks
-3%synergy
Back from the Brink
5.6%inclusion2 decks36 decks
5%synergy
Innkeeper's Talent
5.6%inclusion2 decks36 decks
0%synergy
The Clone Saga
5.3%inclusion1 decks19 decks
5%synergy
Battles
Invasion of Ikoria
11%inclusion4 decks36 decks
7%synergy
Invasion of Zendikar
8.3%inclusion3 decks36 decks
7%synergy
Planeswalkers
Oko, Thief of Crowns
42%inclusion15 decks36 decks
35%synergy
Nissa, Who Shakes the World
5.6%inclusion2 decks36 decks
2%synergy
Wrenn and Realmbreaker
5.6%inclusion2 decks36 decks
5%synergy
Nissa, Ascended Animist
5.6%inclusion2 decks36 decks
4%synergy
Utility Lands
Boseiju, Who Endures
64%inclusion23 decks36 decks
42%synergy
Yavimaya, Cradle of Growth
56%inclusion20 decks36 decks
33%synergy
Otawara, Soaring City
53%inclusion19 decks36 decks
34%synergy
Reliquary Tower
44%inclusion16 decks36 decks
-5%synergy
Mistrise Village
41%inclusion13 decks32 decks
30%synergy
Three Tree City
33%inclusion12 decks36 decks
28%synergy
Command Beacon
28%inclusion10 decks36 decks
24%synergy
Mystic Sanctuary
25%inclusion9 decks36 decks
12%synergy
Alchemist's Refuge
22%inclusion8 decks36 decks
5%synergy
Evendo, Waking Haven
18%inclusion4 decks22 decks
13%synergy
Castle Garenbrig
14%inclusion5 decks36 decks
9%synergy
Urza's Saga
11%inclusion4 decks36 decks
6%synergy
Temple of the False God
11%inclusion4 decks36 decks
-4%synergy
Dryad Arbor
11%inclusion4 decks36 decks
5%synergy
Strip Mine
8.3%inclusion3 decks36 decks
5%synergy
Rogue's Passage
8.3%inclusion3 decks36 decks
-14%synergy
Nykthos, Shrine to Nyx
5.6%inclusion2 decks36 decks
3%synergy
Wasteland
5.6%inclusion2 decks36 decks
4%synergy
Yavimaya Hollow
5.6%inclusion2 decks36 decks
5%synergy
Shifting Woodland
5.6%inclusion2 decks36 decks
-1%synergy
Homeward Path
5.6%inclusion2 decks36 decks
3%synergy
Minamo, School at Water's Edge
5.6%inclusion2 decks36 decks
-1%synergy
Oboro, Palace in the Clouds
5.6%inclusion2 decks36 decks
3%synergy
Mana Artifacts
Sol Ring
100%inclusion36 decks36 decks
19%synergy
Arcane Signet
72%inclusion26 decks36 decks
9%synergy
Talisman of Curiosity
39%inclusion14 decks36 decks
17%synergy
Thought Vessel
33%inclusion12 decks36 decks
13%synergy
Simic Signet
28%inclusion10 decks36 decks
-4%synergy
Fellwar Stone
25%inclusion9 decks36 decks
15%synergy
Decanter of Endless Water
11%inclusion4 decks36 decks
6%synergy
Everflowing Chalice
8.3%inclusion3 decks36 decks
4%synergy
Commander's Sphere
8.3%inclusion3 decks36 decks
0%synergy
Lotus Petal
8.3%inclusion3 decks36 decks
1%synergy
Chromatic Lantern
8.3%inclusion3 decks36 decks
6%synergy
Thran Dynamo
5.6%inclusion2 decks36 decks
3%synergy
Patchwork Banner
5.6%inclusion2 decks36 decks
2%synergy
Lands
Breeding Pool
94%inclusion34 decks36 decks
49%synergy
Island
89%inclusion32 decks36 decks
-7%synergy
Forest
89%inclusion32 decks36 decks
-6%synergy
Command Tower
86%inclusion31 decks36 decks
1%synergy
Misty Rainforest
83%inclusion30 decks36 decks
52%synergy
Rejuvenating Springs
83%inclusion30 decks36 decks
39%synergy
Tropical Island
83%inclusion30 decks36 decks
69%synergy
Hedge Maze
69%inclusion25 decks36 decks
50%synergy
Hinterland Harbor
64%inclusion23 decks36 decks
5%synergy
Yavimaya Coast
53%inclusion19 decks36 decks
0%synergy
Flooded Grove
47%inclusion17 decks36 decks
6%synergy
Dreamroot Cascade
47%inclusion17 decks36 decks
5%synergy
Willowrush Verge
42%inclusion15 decks36 decks
25%synergy
Barkchannel Pathway
39%inclusion14 decks36 decks
19%synergy
Waterlogged Grove
39%inclusion14 decks36 decks
18%synergy
Scalding Tarn
39%inclusion14 decks36 decks
29%synergy
Verdant Catacombs
36%inclusion13 decks36 decks
26%synergy
Flooded Strand
36%inclusion13 decks36 decks
25%synergy
Wooded Foothills
33%inclusion12 decks36 decks
24%synergy
Windswept Heath
33%inclusion12 decks36 decks
23%synergy
Sea Gate Restoration
33%inclusion12 decks36 decks
28%synergy
Snow-Covered Island
33%inclusion12 decks36 decks
26%synergy
Simic Growth Chamber
31%inclusion11 decks36 decks
-18%synergy
Snow-Covered Forest
31%inclusion11 decks36 decks
24%synergy
Polluted Delta
31%inclusion11 decks36 decks
20%synergy
Sink into Stupor
31%inclusion11 decks36 decks
19%synergy
Rimewood Falls
28%inclusion10 decks36 decks
19%synergy
Prismatic Vista
25%inclusion9 decks36 decks
18%synergy
Bala Ged Recovery
22%inclusion8 decks36 decks
12%synergy
Temple of Mystery
22%inclusion8 decks36 decks
-16%synergy
Fabled Passage
19%inclusion7 decks36 decks
5%synergy
Tangled Islet
19%inclusion7 decks36 decks
3%synergy
Turntimber Symbiosis
17%inclusion6 decks36 decks
14%synergy
Vineglimmer Snarl
17%inclusion6 decks36 decks
-22%synergy
Mana Confluence
17%inclusion6 decks36 decks
11%synergy
Overflowing Basin
14%inclusion5 decks36 decks
-5%synergy
City of Brass
14%inclusion5 decks36 decks
8%synergy
Glasspool Mimic
14%inclusion5 decks36 decks
10%synergy
Thornwood Falls
14%inclusion5 decks36 decks
-4%synergy
Myriad Landscape
11%inclusion4 decks36 decks
-11%synergy
Exotic Orchard
11%inclusion4 decks36 decks
-13%synergy
Reflecting Pool
11%inclusion4 decks36 decks
8%synergy
Evolving Wilds
11%inclusion4 decks36 decks
-14%synergy
Botanical Sanctum
11%inclusion4 decks36 decks
-1%synergy
Bridgeworks Battle
8.3%inclusion3 decks36 decks
4%synergy
Path of Ancestry
8.3%inclusion3 decks36 decks
-9%synergy
Gemstone Caverns
8.3%inclusion3 decks36 decks
2%synergy
Lazotep Quarry
5.6%inclusion2 decks36 decks
3%synergy
Terramorphic Expanse
5.6%inclusion2 decks36 decks
-14%synergy
Tangled Florahedron
5.6%inclusion2 decks36 decks
4%synergy