The Monstrous Serpent (Commander) - Expensive Control

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #301
15decks
As CommanderAs CardAverage DeckDecks
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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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Sorceries
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Enchantments
Battles
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Badgermole Cub
50%inclusion1 decks2 decks
45%synergy
High Synergy Cards
Sakashima of a Thousand Faces
93%inclusion14 decks15 decks
88%synergy
Parallel Lives
93%inclusion14 decks15 decks
87%synergy
Doubling Season
87%inclusion13 decks15 decks
77%synergy
Elemental Bond
80%inclusion12 decks15 decks
74%synergy
Boseiju, Who Endures
93%inclusion14 decks15 decks
71%synergy
Mana Drain
87%inclusion13 decks15 decks
71%synergy
Spark Double
80%inclusion12 decks15 decks
70%synergy
Otawara, Soaring City
87%inclusion13 decks15 decks
68%synergy
Roaming Throne
73%inclusion11 decks15 decks
65%synergy
Adrix and Nev, Twincasters
73%inclusion11 decks15 decks
65%synergy
Top Cards
Birds of Paradise
80%inclusion12 decks15 decks
52%synergy
Beast Within
73%inclusion11 decks15 decks
23%synergy
Mystic Remora
73%inclusion11 decks15 decks
58%synergy
Whelming Wave
73%inclusion11 decks15 decks
62%synergy
Three Visits
67%inclusion10 decks15 decks
44%synergy
An Offer You Can't Refuse
67%inclusion10 decks15 decks
44%synergy
Junk Winder
67%inclusion10 decks15 decks
60%synergy
Finale of Devastation
67%inclusion10 decks15 decks
55%synergy
Sakashima the Impostor
67%inclusion10 decks15 decks
64%synergy
Koma, World-Eater
64%inclusion7 decks11 decks
50%synergy
Game Changers
Gaea's Cradle
100%inclusion15 decks15 decks
93%synergy
Rhystic Study
93%inclusion14 decks15 decks
72%synergy
Fierce Guardianship
93%inclusion14 decks15 decks
76%synergy
Cyclonic Rift
93%inclusion14 decks15 decks
67%synergy
Ancient Tomb
87%inclusion13 decks15 decks
77%synergy
Force of Will
80%inclusion12 decks15 decks
70%synergy
Consecrated Sphinx
60%inclusion9 decks15 decks
51%synergy
The One Ring
53%inclusion8 decks15 decks
46%synergy
Mana Vault
53%inclusion8 decks15 decks
47%synergy
Worldly Tutor
53%inclusion8 decks15 decks
38%synergy
Creatures
Craterhoof Behemoth
60%inclusion9 decks15 decks
51%synergy
Serpent of Yawning Depths
60%inclusion9 decks15 decks
54%synergy
Hullbreaker Horror
60%inclusion9 decks15 decks
42%synergy
Fyndhorn Elves
60%inclusion9 decks15 decks
44%synergy
Enduring Vitality
54%inclusion7 decks13 decks
46%synergy
Aesi, Tyrant of Gyre Strait
53%inclusion8 decks15 decks
36%synergy
Garruk's Packleader
47%inclusion7 decks15 decks
44%synergy
Elvish Mystic
47%inclusion7 decks15 decks
23%synergy
Seedborn Muse
47%inclusion7 decks15 decks
31%synergy
Llanowar Elves
47%inclusion7 decks15 decks
19%synergy
Spawning Kraken
47%inclusion7 decks15 decks
39%synergy
Delighted Halfling
47%inclusion7 decks15 decks
35%synergy
Eternal Witness
40%inclusion6 decks15 decks
19%synergy
Sakura-Tribe Elder
33%inclusion5 decks15 decks
14%synergy
Kinnan, Bonder Prodigy
27%inclusion4 decks15 decks
23%synergy
Ohran Frostfang
27%inclusion4 decks15 decks
23%synergy
Arixmethes, Slumbering Isle
27%inclusion4 decks15 decks
13%synergy
Fanatic of Rhonas
23%inclusion3 decks13 decks
17%synergy
Pollywog Prodigy
23%inclusion3 decks13 decks
16%synergy
Tatyova, Benthic Druid
20%inclusion3 decks15 decks
-11%synergy
Circle of Dreams Druid
20%inclusion3 decks15 decks
18%synergy
Phyrexian Metamorph
20%inclusion3 decks15 decks
11%synergy
Esix, Fractal Bloom
20%inclusion3 decks15 decks
16%synergy
Sylvan Safekeeper
20%inclusion3 decks15 decks
16%synergy
Spellskite
20%inclusion3 decks15 decks
15%synergy
Somberwald Sage
20%inclusion3 decks15 decks
19%synergy
Octomancer
15%inclusion2 decks13 decks
11%synergy
Disciple of Freyalise
15%inclusion2 decks13 decks
11%synergy
Hydroelectric Specimen
15%inclusion2 decks13 decks
9%synergy
Sowing Mycospawn
15%inclusion2 decks13 decks
14%synergy
Displacer Kitten
13%inclusion2 decks15 decks
9%synergy
Jaheira, Friend of the Forest
13%inclusion2 decks15 decks
9%synergy
Curiosity Crafter
13%inclusion2 decks15 decks
10%synergy
Bloom Tender
13%inclusion2 decks15 decks
9%synergy
Collector Ouphe
13%inclusion2 decks15 decks
12%synergy
Kiora's Follower
13%inclusion2 decks15 decks
-1%synergy
Saryth, the Viper's Fang
13%inclusion2 decks15 decks
12%synergy
Murkfiend Liege
13%inclusion2 decks15 decks
-1%synergy
Wandering Archaic
13%inclusion2 decks15 decks
8%synergy
Elvish Spirit Guide
13%inclusion2 decks15 decks
8%synergy
Archetype of Imagination
13%inclusion2 decks15 decks
9%synergy
Toski, Bearer of Secrets
13%inclusion2 decks15 decks
10%synergy
Glasspool Mimic
13%inclusion2 decks15 decks
9%synergy
Uro, Titan of Nature's Wrath
13%inclusion2 decks15 decks
4%synergy
Oviya, Automech Artisan
10%inclusion1 decks10 decks
8%synergy
Overlord of the Hauntwoods
7.7%inclusion1 decks13 decks
5%synergy
Enduring Curiosity
7.7%inclusion1 decks13 decks
4%synergy
Bonny Pall, Clearcutter
7.7%inclusion1 decks13 decks
2%synergy
Maraleaf Pixie
6.7%inclusion1 decks15 decks
1%synergy
Trophy Mage
6.7%inclusion1 decks15 decks
2%synergy
Instants
Heroic Intervention
60%inclusion9 decks15 decks
30%synergy
Swan Song
60%inclusion9 decks15 decks
41%synergy
Force of Negation
53%inclusion8 decks15 decks
45%synergy
Counterspell
53%inclusion8 decks15 decks
3%synergy
Double Major
53%inclusion8 decks15 decks
45%synergy
Archdruid's Charm
50%inclusion7 decks14 decks
44%synergy
Crop Rotation
47%inclusion7 decks15 decks
33%synergy
Return of the Wildspeaker
47%inclusion7 decks15 decks
36%synergy
Force of Vigor
47%inclusion7 decks15 decks
42%synergy
Second Harvest
47%inclusion7 decks15 decks
40%synergy
Chord of Calling
47%inclusion7 decks15 decks
39%synergy
Arcane Denial
47%inclusion7 decks15 decks
24%synergy
Mystical Tutor
47%inclusion7 decks15 decks
37%synergy
Negate
40%inclusion6 decks15 decks
14%synergy
Pact of Negation
40%inclusion6 decks15 decks
33%synergy
Rapid Hybridization
33%inclusion5 decks15 decks
7%synergy
Krosan Grip
33%inclusion5 decks15 decks
25%synergy
Mindbreak Trap
33%inclusion5 decks15 decks
28%synergy
Flusterstorm
33%inclusion5 decks15 decks
27%synergy
Sink into Stupor
31%inclusion4 decks13 decks
19%synergy
Pongify
27%inclusion4 decks15 decks
2%synergy
Legolas's Quick Reflexes
27%inclusion4 decks15 decks
24%synergy
Growth Spiral
20%inclusion3 decks15 decks
-25%synergy
Nature's Claim
20%inclusion3 decks15 decks
10%synergy
Reality Shift
20%inclusion3 decks15 decks
5%synergy
Mental Misstep
13%inclusion2 decks15 decks
8%synergy
Plasm Capture
13%inclusion2 decks15 decks
10%synergy
Tyvar's Stand
13%inclusion2 decks15 decks
11%synergy
Sublime Epiphany
13%inclusion2 decks15 decks
11%synergy
Harrow
13%inclusion2 decks15 decks
1%synergy
Disallow
13%inclusion2 decks15 decks
12%synergy
Noxious Revival
13%inclusion2 decks15 decks
7%synergy
Delay
13%inclusion2 decks15 decks
11%synergy
Cryptic Command
13%inclusion2 decks15 decks
12%synergy
Stifle
13%inclusion2 decks15 decks
13%synergy
Tamiyo's Safekeeping
13%inclusion2 decks15 decks
8%synergy
Voidslime
13%inclusion2 decks15 decks
8%synergy
Three Steps Ahead
7.7%inclusion1 decks13 decks
5%synergy
Smuggler's Surprise
7.7%inclusion1 decks13 decks
6%synergy
Strix Serenade
7.7%inclusion1 decks13 decks
4%synergy
Veil of Summer
6.7%inclusion1 decks15 decks
1%synergy
Muddle the Mixture
6.7%inclusion1 decks15 decks
2%synergy
Eureka Moment
6.7%inclusion1 decks15 decks
-4%synergy
Snakeskin Veil
6.7%inclusion1 decks15 decks
1%synergy
Brainstorm
6.7%inclusion1 decks15 decks
-8%synergy
Stubborn Denial
6.7%inclusion1 decks15 decks
4%synergy
Mystic Reflection
6.7%inclusion1 decks15 decks
4%synergy
Dispel
6.7%inclusion1 decks15 decks
2%synergy
Entish Restoration
6.7%inclusion1 decks15 decks
-3%synergy
Resculpt
6.7%inclusion1 decks15 decks
1%synergy
Sorceries
Kodama's Reach
53%inclusion8 decks15 decks
17%synergy
Farseek
53%inclusion8 decks15 decks
29%synergy
Nature's Lore
53%inclusion8 decks15 decks
23%synergy
Rampant Growth
53%inclusion8 decks15 decks
13%synergy
Irenicus's Vile Duplication
53%inclusion8 decks15 decks
47%synergy
Cultivate
47%inclusion7 decks15 decks
0%synergy
Green Sun's Zenith
33%inclusion5 decks15 decks
25%synergy
Skyshroud Claim
33%inclusion5 decks15 decks
24%synergy
Quantum Misalignment
27%inclusion4 decks15 decks
24%synergy
Triumph of the Hordes
27%inclusion4 decks15 decks
24%synergy
Sea Gate Restoration
27%inclusion4 decks15 decks
21%synergy
Overwhelming Stampede
27%inclusion4 decks15 decks
14%synergy
Bala Ged Recovery
20%inclusion3 decks15 decks
10%synergy
Rite of Replication
20%inclusion3 decks15 decks
13%synergy
Temporal Manipulation
13%inclusion2 decks15 decks
12%synergy
Rishkar's Expertise
13%inclusion2 decks15 decks
5%synergy
Explore
13%inclusion2 decks15 decks
-7%synergy
Nature's Rhythm
11%inclusion1 decks9 decks
5%synergy
Flare of Cultivation
7.7%inclusion1 decks13 decks
6%synergy
Bridgeworks Battle
7.7%inclusion1 decks13 decks
3%synergy
Inundate
6.7%inclusion1 decks15 decks
6%synergy
Polymorph
6.7%inclusion1 decks15 decks
7%synergy
Eldritch Evolution
6.7%inclusion1 decks15 decks
3%synergy
Relearn
6.7%inclusion1 decks15 decks
7%synergy
Last March of the Ents
6.7%inclusion1 decks15 decks
3%synergy
Turntimber Symbiosis
6.7%inclusion1 decks15 decks
4%synergy
Neoform
6.7%inclusion1 decks15 decks
3%synergy
Tempt with Discovery
6.7%inclusion1 decks15 decks
3%synergy
Broken Bond
6.7%inclusion1 decks15 decks
2%synergy
Expropriate
6.7%inclusion1 decks15 decks
5%synergy
Nylea's Intervention
6.7%inclusion1 decks15 decks
6%synergy
Doppelgang
6.7%inclusion1 decks15 decks
0%synergy
Shamanic Revelation
6.7%inclusion1 decks15 decks
1%synergy
Migration Path
6.7%inclusion1 decks15 decks
3%synergy
Time Warp
6.7%inclusion1 decks15 decks
5%synergy
Regrowth
6.7%inclusion1 decks15 decks
3%synergy
Sylvan Scrying
6.7%inclusion1 decks15 decks
1%synergy
Utility Artifacts
Lightning Greaves
40%inclusion6 decks15 decks
18%synergy
The Great Henge
33%inclusion5 decks15 decks
24%synergy
Helm of the Host
33%inclusion5 decks15 decks
28%synergy
Winter Orb
27%inclusion4 decks15 decks
26%synergy
Coat of Arms
27%inclusion4 decks15 decks
25%synergy
Swiftfoot Boots
27%inclusion4 decks15 decks
1%synergy
Static Orb
13%inclusion2 decks15 decks
13%synergy
Mirror Box
13%inclusion2 decks15 decks
10%synergy
Skullclamp
13%inclusion2 decks15 decks
12%synergy
Eldrazi Monument
13%inclusion2 decks15 decks
13%synergy
Banner of Kinship
9.1%inclusion1 decks11 decks
7%synergy
Winter Moon
7.7%inclusion1 decks13 decks
7%synergy
Sensei's Divining Top
6.7%inclusion1 decks15 decks
3%synergy
God-Pharaoh's Statue
6.7%inclusion1 decks15 decks
6%synergy
Null Rod
6.7%inclusion1 decks15 decks
7%synergy
Manifold Key
6.7%inclusion1 decks15 decks
6%synergy
Phyrexian Altar
6.7%inclusion1 decks15 decks
6%synergy
Proteus Staff
6.7%inclusion1 decks15 decks
7%synergy
Whispersilk Cloak
6.7%inclusion1 decks15 decks
4%synergy
Combine Chrysalis
6.7%inclusion1 decks15 decks
2%synergy
Emerald Medallion
6.7%inclusion1 decks15 decks
4%synergy
Bident of Thassa
6.7%inclusion1 decks15 decks
-1%synergy
Obelisk of Urd
6.7%inclusion1 decks15 decks
6%synergy
Sapphire Medallion
6.7%inclusion1 decks15 decks
3%synergy
Smokestack
6.7%inclusion1 decks15 decks
7%synergy
Enchantments
Tribute to the World Tree
47%inclusion7 decks15 decks
40%synergy
Kindred Discovery
40%inclusion6 decks15 decks
30%synergy
Sylvan Library
40%inclusion6 decks15 decks
31%synergy
Moonlit Meditation
25%inclusion1 decks4 decks
24%synergy
Beastmaster Ascension
20%inclusion3 decks15 decks
17%synergy
Wild Growth
20%inclusion3 decks15 decks
11%synergy
Defense of the Heart
20%inclusion3 decks15 decks
18%synergy
Growing Rites of Itlimoc
20%inclusion3 decks15 decks
14%synergy
Utopia Sprawl
13%inclusion2 decks15 decks
7%synergy
Cryptolith Rite
13%inclusion2 decks15 decks
10%synergy
Carpet of Flowers
13%inclusion2 decks15 decks
11%synergy
Asceticism
13%inclusion2 decks15 decks
10%synergy
Paradox Haze
13%inclusion2 decks15 decks
13%synergy
Exploration
6.7%inclusion1 decks15 decks
-7%synergy
Verity Circle
6.7%inclusion1 decks15 decks
6%synergy
Imprisoned in the Moon
6.7%inclusion1 decks15 decks
3%synergy
Extravagant Replication
6.7%inclusion1 decks15 decks
4%synergy
Wilderness Reclamation
6.7%inclusion1 decks15 decks
-2%synergy
Unnatural Growth
6.7%inclusion1 decks15 decks
3%synergy
Burgeoning
6.7%inclusion1 decks15 decks
0%synergy
Stasis
6.7%inclusion1 decks15 decks
6%synergy
Dismiss into Dream
6.7%inclusion1 decks15 decks
6%synergy
Opposition
6.7%inclusion1 decks15 decks
6%synergy
Primal Vigor
6.7%inclusion1 decks15 decks
4%synergy
Quest for Renewal
6.7%inclusion1 decks15 decks
5%synergy
Propaganda
6.7%inclusion1 decks15 decks
0%synergy
Diplomatic Immunity
6.7%inclusion1 decks15 decks
6%synergy
Battles
Invasion of Ikoria
13%inclusion2 decks15 decks
9%synergy
Invasion of Segovia
6.7%inclusion1 decks15 decks
6%synergy
Planeswalkers
Oko, Thief of Crowns
60%inclusion9 decks15 decks
53%synergy
Narset, Parter of Veils
6.7%inclusion1 decks15 decks
5%synergy
Tamiyo, the Moon Sage
6.7%inclusion1 decks15 decks
6%synergy
Utility Lands
Evendo, Waking Haven
75%inclusion3 decks4 decks
70%synergy
Yavimaya, Cradle of Growth
67%inclusion10 decks15 decks
45%synergy
Three Tree City
62%inclusion8 decks13 decks
56%synergy
Reliquary Tower
53%inclusion8 decks15 decks
3%synergy
Command Beacon
47%inclusion7 decks15 decks
43%synergy
Mistrise Village
44%inclusion4 decks9 decks
34%synergy
Minamo, School at Water's Edge
27%inclusion4 decks15 decks
20%synergy
Urza's Saga
27%inclusion4 decks15 decks
21%synergy
Mystic Sanctuary
20%inclusion3 decks15 decks
7%synergy
Alchemist's Refuge
20%inclusion3 decks15 decks
3%synergy
Emergence Zone
20%inclusion3 decks15 decks
16%synergy
Mosswort Bridge
20%inclusion3 decks15 decks
3%synergy
Castle Garenbrig
20%inclusion3 decks15 decks
15%synergy
Nykthos, Shrine to Nyx
13%inclusion2 decks15 decks
11%synergy
Rogue's Passage
13%inclusion2 decks15 decks
-9%synergy
Shifting Woodland
7.7%inclusion1 decks13 decks
1%synergy
Wasteland
6.7%inclusion1 decks15 decks
5%synergy
Rivendell
6.7%inclusion1 decks15 decks
1%synergy
Boseiju, Who Shelters All
6.7%inclusion1 decks15 decks
6%synergy
Tolaria West
6.7%inclusion1 decks15 decks
5%synergy
Scavenger Grounds
6.7%inclusion1 decks15 decks
2%synergy
Oran-Rief, the Vastwood
6.7%inclusion1 decks15 decks
2%synergy
Dryad Arbor
6.7%inclusion1 decks15 decks
1%synergy
Mana Artifacts
Sol Ring
93%inclusion14 decks15 decks
13%synergy
Arcane Signet
87%inclusion13 decks15 decks
24%synergy
Talisman of Curiosity
67%inclusion10 decks15 decks
45%synergy
Simic Signet
27%inclusion4 decks15 decks
-5%synergy
Fellwar Stone
20%inclusion3 decks15 decks
10%synergy
Chrome Mox
20%inclusion3 decks15 decks
13%synergy
Jeweled Lotus
13%inclusion2 decks15 decks
11%synergy
Mana Crypt
13%inclusion2 decks15 decks
10%synergy
Lotus Petal
13%inclusion2 decks15 decks
6%synergy
Thought Vessel
13%inclusion2 decks15 decks
-7%synergy
Moss Diamond
6.7%inclusion1 decks15 decks
6%synergy
Grim Monolith
6.7%inclusion1 decks15 decks
4%synergy
Sky Diamond
6.7%inclusion1 decks15 decks
5%synergy
Mox Amber
6.7%inclusion1 decks15 decks
1%synergy
Coveted Jewel
6.7%inclusion1 decks15 decks
6%synergy
Gilded Lotus
6.7%inclusion1 decks15 decks
5%synergy
Thran Dynamo
6.7%inclusion1 decks15 decks
4%synergy
Mox Diamond
6.7%inclusion1 decks15 decks
1%synergy
Lands
Command Tower
100%inclusion15 decks15 decks
15%synergy
Breeding Pool
100%inclusion15 decks15 decks
54%synergy
Misty Rainforest
93%inclusion14 decks15 decks
62%synergy
Rejuvenating Springs
93%inclusion14 decks15 decks
49%synergy
Tropical Island
87%inclusion13 decks15 decks
72%synergy
Island
80%inclusion12 decks15 decks
-15%synergy
Forest
80%inclusion12 decks15 decks
-15%synergy
Yavimaya Coast
73%inclusion11 decks15 decks
21%synergy
Barkchannel Pathway
73%inclusion11 decks15 decks
53%synergy
Waterlogged Grove
53%inclusion8 decks15 decks
33%synergy
Prismatic Vista
47%inclusion7 decks15 decks
39%synergy
Hedge Maze
40%inclusion6 decks15 decks
20%synergy
Mana Confluence
40%inclusion6 decks15 decks
34%synergy
Flooded Grove
40%inclusion6 decks15 decks
-1%synergy
Dreamroot Cascade
40%inclusion6 decks15 decks
-2%synergy
Hinterland Harbor
40%inclusion6 decks15 decks
-19%synergy
Snow-Covered Island
33%inclusion5 decks15 decks
26%synergy
Snow-Covered Forest
33%inclusion5 decks15 decks
27%synergy
Verdant Catacombs
33%inclusion5 decks15 decks
24%synergy
Sink into Stupor
31%inclusion4 decks13 decks
19%synergy
Willowrush Verge
30%inclusion3 decks10 decks
14%synergy
Exotic Orchard
27%inclusion4 decks15 decks
3%synergy
Sea Gate Restoration
27%inclusion4 decks15 decks
21%synergy
City of Brass
27%inclusion4 decks15 decks
21%synergy
Fabled Passage
20%inclusion3 decks15 decks
6%synergy
Windswept Heath
20%inclusion3 decks15 decks
10%synergy
Wooded Foothills
20%inclusion3 decks15 decks
10%synergy
Scalding Tarn
20%inclusion3 decks15 decks
10%synergy
Bala Ged Recovery
20%inclusion3 decks15 decks
10%synergy
Disciple of Freyalise
15%inclusion2 decks13 decks
11%synergy
Hydroelectric Specimen
15%inclusion2 decks13 decks
9%synergy
Simic Growth Chamber
13%inclusion2 decks15 decks
-35%synergy
Vineglimmer Snarl
13%inclusion2 decks15 decks
-25%synergy
Gemstone Caverns
13%inclusion2 decks15 decks
7%synergy
Glasspool Mimic
13%inclusion2 decks15 decks
9%synergy
Polluted Delta
13%inclusion2 decks15 decks
3%synergy
Horizon of Progress
7.7%inclusion1 decks13 decks
2%synergy
Bridgeworks Battle
7.7%inclusion1 decks13 decks
3%synergy
Blighted Woodland
6.7%inclusion1 decks15 decks
-1%synergy
Myriad Landscape
6.7%inclusion1 decks15 decks
-15%synergy
Turntimber Symbiosis
6.7%inclusion1 decks15 decks
4%synergy
Temple of Mystery
6.7%inclusion1 decks15 decks
-32%synergy
Cavern of Souls
6.7%inclusion1 decks15 decks
1%synergy
Plaza of Heroes
6.7%inclusion1 decks15 decks
5%synergy
Flooded Strand
6.7%inclusion1 decks15 decks
-5%synergy
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