The Monstrous Serpent (Commander)

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #303
6,773decks
As CommanderAs CardAverage DeckDecks
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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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The Unagi of Kyoshi Island
14%inclusion116 decks851 decks
8%synergy
Shared Roots
8.6%inclusion71 decks823 decks
5%synergy
Ember Island Production
4.5%inclusion36 decks802 decks
4%synergy
Badgermole Cub
3.4%inclusion30 decks883 decks
-1%synergy
Wan Shi Tong, Librarian
2.7%inclusion24 decks883 decks
-3%synergy
High Synergy Cards
Adrix and Nev, Twincasters
76%inclusion5.16K decks6.77K decks
68%synergy
Elemental Bond
68%inclusion4.58K decks6.77K decks
62%synergy
Whelming Wave
73%inclusion4.95K decks6.77K decks
62%synergy
Spark Double
63%inclusion4.29K decks6.77K decks
54%synergy
Koma, World-Eater
65%inclusion3.11K decks4.79K decks
52%synergy
Junk Winder
57%inclusion3.88K decks6.77K decks
51%synergy
Parallel Lives
55%inclusion3.70K decks6.77K decks
49%synergy
Serpent of Yawning Depths
55%inclusion3.71K decks6.77K decks
48%synergy
Irenicus's Vile Duplication
53%inclusion3.57K decks6.77K decks
46%synergy
Sakashima of a Thousand Faces
49%inclusion3.35K decks6.77K decks
44%synergy
Top Cards
Cultivate
78%inclusion5.29K decks6.77K decks
31%synergy
Counterspell
74%inclusion4.99K decks6.77K decks
24%synergy
Kodama's Reach
70%inclusion4.77K decks6.77K decks
34%synergy
Rampant Growth
69%inclusion4.67K decks6.77K decks
28%synergy
Beast Within
61%inclusion4.14K decks6.77K decks
11%synergy
Nature's Lore
58%inclusion3.93K decks6.77K decks
28%synergy
Growth Spiral
56%inclusion3.82K decks6.77K decks
12%synergy
Heroic Intervention
54%inclusion3.64K decks6.77K decks
23%synergy
Farseek
53%inclusion3.62K decks6.77K decks
29%synergy
Aesi, Tyrant of Gyre Strait
53%inclusion3.57K decks6.77K decks
35%synergy
Game Changers
Cyclonic Rift
44%inclusion2.98K decks6.77K decks
18%synergy
Rhystic Study
40%inclusion2.70K decks6.77K decks
18%synergy
Fierce Guardianship
32%inclusion2.19K decks6.77K decks
15%synergy
Seedborn Muse
29%inclusion1.94K decks6.77K decks
13%synergy
Worldly Tutor
22%inclusion1.51K decks6.77K decks
7%synergy
Consecrated Sphinx
20%inclusion1.36K decks6.77K decks
11%synergy
Mystical Tutor
16%inclusion1.11K decks6.77K decks
7%synergy
Force of Will
14%inclusion940 decks6.77K decks
4%synergy
Ancient Tomb
13%inclusion874 decks6.77K decks
4%synergy
Gaea's Cradle
10%inclusion679 decks6.77K decks
3%synergy
Creatures
Llanowar Elves
49%inclusion3.29K decks6.77K decks
21%synergy
Spawning Kraken
47%inclusion3.21K decks6.77K decks
40%synergy
Birds of Paradise
46%inclusion3.11K decks6.77K decks
18%synergy
Arixmethes, Slumbering Isle
42%inclusion2.88K decks6.77K decks
29%synergy
Sakura-Tribe Elder
40%inclusion2.68K decks6.77K decks
20%synergy
Sakashima the Impostor
38%inclusion2.60K decks6.77K decks
36%synergy
Elvish Mystic
38%inclusion2.58K decks6.77K decks
14%synergy
Tatyova, Benthic Druid
38%inclusion2.55K decks6.77K decks
6%synergy
Murkfiend Liege
36%inclusion2.42K decks6.77K decks
21%synergy
Garruk's Packleader
33%inclusion2.22K decks6.77K decks
30%synergy
Craterhoof Behemoth
32%inclusion2.17K decks6.77K decks
23%synergy
Hullbreaker Horror
30%inclusion2.04K decks6.77K decks
12%synergy
Ohran Frostfang
29%inclusion1.99K decks6.77K decks
26%synergy
Eternal Witness
29%inclusion1.96K decks6.77K decks
8%synergy
Summon: Leviathan
28%inclusion739 decks2.64K decks
21%synergy
Roaming Throne
28%inclusion1.89K decks6.77K decks
20%synergy
Fyndhorn Elves
28%inclusion1.88K decks6.77K decks
12%synergy
Slinn Voda, the Rising Deep
25%inclusion1.71K decks6.77K decks
19%synergy
Enduring Vitality
25%inclusion1.31K decks5.24K decks
18%synergy
Octomancer
25%inclusion1.38K decks5.54K decks
20%synergy
Esix, Fractal Bloom
24%inclusion1.64K decks6.77K decks
20%synergy
Archetype of Imagination
22%inclusion1.52K decks6.77K decks
18%synergy
Coiling Oracle
21%inclusion1.39K decks6.77K decks
7%synergy
Fanatic of Rhonas
20%inclusion1.14K decks5.84K decks
14%synergy
Scourge of Fleets
16%inclusion1.10K decks6.77K decks
8%synergy
Curiosity Crafter
15%inclusion999 decks6.77K decks
11%synergy
Xolatoyac, the Smiling Flood
15%inclusion998 decks6.77K decks
7%synergy
Nezahal, Primal Tide
14%inclusion980 decks6.77K decks
3%synergy
Reclamation Sage
14%inclusion977 decks6.77K decks
0%synergy
Scute Swarm
14%inclusion970 decks6.77K decks
-7%synergy
Starwinder
14%inclusion270 decks1.98K decks
7%synergy
Delighted Halfling
13%inclusion914 decks6.77K decks
2%synergy
Nadir Kraken
13%inclusion906 decks6.77K decks
9%synergy
Enduring Curiosity
13%inclusion705 decks5.29K decks
10%synergy
Chameleon, Master of Disguise
13%inclusion195 decks1.47K decks
11%synergy
Toski, Bearer of Secrets
13%inclusion868 decks6.77K decks
9%synergy
Avenger of Zendikar
13%inclusion854 decks6.77K decks
-5%synergy
Azusa, Lost but Seeking
12%inclusion827 decks6.77K decks
-2%synergy
Troyan, Gutsy Explorer
12%inclusion803 decks6.77K decks
9%synergy
Stormtide Leviathan
12%inclusion795 decks6.77K decks
6%synergy
Saryth, the Viper's Fang
11%inclusion760 decks6.77K decks
10%synergy
Rampaging Baloths
11%inclusion756 decks6.77K decks
-6%synergy
Lotus Cobra
10%inclusion675 decks6.77K decks
-4%synergy
Uro, Titan of Nature's Wrath
10%inclusion671 decks6.77K decks
0%synergy
Progenitor Mimic
10%inclusion668 decks6.77K decks
5%synergy
Circle of Dreams Druid
10%inclusion660 decks6.77K decks
7%synergy
Inga and Esika
9.4%inclusion637 decks6.77K decks
7%synergy
Jaheira, Friend of the Forest
9.3%inclusion632 decks6.77K decks
5%synergy
Clever Impersonator
9.2%inclusion625 decks6.77K decks
4%synergy
Kiora, Sovereign of the Deep
9.2%inclusion622 decks6.77K decks
7%synergy
Instants
Double Major
47%inclusion3.17K decks6.77K decks
38%synergy
Negate
47%inclusion3.17K decks6.77K decks
21%synergy
Pongify
40%inclusion2.68K decks6.77K decks
15%synergy
Arcane Denial
37%inclusion2.52K decks6.77K decks
15%synergy
Second Harvest
37%inclusion2.52K decks6.77K decks
31%synergy
An Offer You Can't Refuse
36%inclusion2.47K decks6.77K decks
13%synergy
Mana Drain
35%inclusion2.35K decks6.77K decks
19%synergy
Swan Song
32%inclusion2.17K decks6.77K decks
13%synergy
Return of the Wildspeaker
32%inclusion2.15K decks6.77K decks
21%synergy
Rapid Hybridization
31%inclusion2.08K decks6.77K decks
5%synergy
Krosan Grip
23%inclusion1.57K decks6.77K decks
15%synergy
Simic Charm
19%inclusion1.28K decks6.77K decks
11%synergy
Reality Shift
18%inclusion1.24K decks6.77K decks
4%synergy
Nature's Claim
16%inclusion1.11K decks6.77K decks
7%synergy
Brainstorm
16%inclusion1.08K decks6.77K decks
2%synergy
Planar Genesis
15%inclusion874 decks5.83K decks
4%synergy
Harrow
15%inclusion985 decks6.77K decks
3%synergy
Tamiyo's Safekeeping
13%inclusion878 decks6.77K decks
7%synergy
Voidslime
13%inclusion857 decks6.77K decks
8%synergy
Return to Nature
13%inclusion849 decks6.77K decks
7%synergy
Aetherize
12%inclusion824 decks6.77K decks
0%synergy
Eureka Moment
12%inclusion820 decks6.77K decks
1%synergy
Snakeskin Veil
12%inclusion786 decks6.77K decks
6%synergy
Sink into Stupor
11%inclusion660 decks5.85K decks
0%synergy
Force of Negation
11%inclusion760 decks6.77K decks
3%synergy
Plasm Capture
11%inclusion758 decks6.77K decks
8%synergy
Mystic Reflection
11%inclusion740 decks6.77K decks
8%synergy
Chord of Calling
10%inclusion687 decks6.77K decks
2%synergy
Pact of Negation
8.9%inclusion601 decks6.77K decks
2%synergy
Entish Restoration
8.4%inclusion568 decks6.77K decks
-1%synergy
Archdruid's Charm
8.0%inclusion530 decks6.63K decks
2%synergy
Perplexing Test
8.0%inclusion541 decks6.77K decks
3%synergy
Stubborn Denial
7.7%inclusion520 decks6.77K decks
5%synergy
Noxious Revival
7.6%inclusion518 decks6.77K decks
2%synergy
Decisive Denial
7.6%inclusion515 decks6.77K decks
2%synergy
Disallow
7.6%inclusion515 decks6.77K decks
6%synergy
Resculpt
7.5%inclusion509 decks6.77K decks
1%synergy
Sublime Epiphany
7.5%inclusion506 decks6.77K decks
5%synergy
Narset's Reversal
6.5%inclusion440 decks6.77K decks
5%synergy
Tyvar's Stand
6.4%inclusion435 decks6.77K decks
4%synergy
Strix Serenade
6.2%inclusion361 decks5.85K decks
2%synergy
Force of Vigor
5.7%inclusion389 decks6.77K decks
1%synergy
Lazotep Plating
5.6%inclusion378 decks6.77K decks
5%synergy
Collective Resistance
5.5%inclusion324 decks5.85K decks
2%synergy
Auroral Procession
5.5%inclusion177 decks3.21K decks
2%synergy
Joint Exploration
5.5%inclusion371 decks6.77K decks
0%synergy
Sorceries
Three Visits
48%inclusion3.28K decks6.77K decks
25%synergy
Skyshroud Claim
38%inclusion2.57K decks6.77K decks
29%synergy
Explore
28%inclusion1.88K decks6.77K decks
7%synergy
Quantum Misalignment
28%inclusion1.87K decks6.77K decks
25%synergy
Overwhelming Stampede
24%inclusion1.63K decks6.77K decks
12%synergy
Rite of Replication
17%inclusion1.15K decks6.77K decks
10%synergy
Shamanic Revelation
16%inclusion1.09K decks6.77K decks
11%synergy
Migration Path
15%inclusion1.02K decks6.77K decks
12%synergy
Urban Evolution
14%inclusion966 decks6.77K decks
5%synergy
Rishkar's Expertise
14%inclusion954 decks6.77K decks
6%synergy
Triumph of the Hordes
13%inclusion847 decks6.77K decks
10%synergy
Distant Melody
12%inclusion840 decks6.77K decks
9%synergy
Bala Ged Recovery
12%inclusion834 decks6.77K decks
2%synergy
Finale of Devastation
12%inclusion829 decks6.77K decks
1%synergy
Explosive Vegetation
12%inclusion806 decks6.77K decks
6%synergy
Harmonize
11%inclusion717 decks6.77K decks
5%synergy
Curse of the Swine
8.8%inclusion597 decks6.77K decks
-2%synergy
Search for Tomorrow
8.5%inclusion579 decks6.77K decks
4%synergy
Ponder
8.4%inclusion571 decks6.77K decks
1%synergy
Regrowth
7.5%inclusion511 decks6.77K decks
4%synergy
Doppelgang
7.2%inclusion477 decks6.64K decks
1%synergy
Sea Gate Restoration
6.9%inclusion468 decks6.77K decks
1%synergy
Ravenform
6.9%inclusion466 decks6.77K decks
2%synergy
Green Sun's Zenith
6.4%inclusion433 decks6.77K decks
-2%synergy
Preposterous Proportions
6.2%inclusion293 decks4.75K decks
5%synergy
Windfall
6.1%inclusion413 decks6.77K decks
2%synergy
Ezuri's Predation
5.9%inclusion400 decks6.77K decks
-2%synergy
Preordain
5.5%inclusion371 decks6.77K decks
-3%synergy
Broken Bond
5.3%inclusion359 decks6.77K decks
0%synergy
Quasiduplicate
5.2%inclusion350 decks6.77K decks
3%synergy
Flare of Cultivation
5.1%inclusion327 decks6.38K decks
3%synergy
Utility Artifacts
Swiftfoot Boots
45%inclusion3.02K decks6.77K decks
19%synergy
Helm of the Host
43%inclusion2.89K decks6.77K decks
37%synergy
Lightning Greaves
41%inclusion2.80K decks6.77K decks
20%synergy
Combine Chrysalis
26%inclusion1.74K decks6.77K decks
21%synergy
Mirror Box
18%inclusion1.19K decks6.77K decks
14%synergy
Emerald Medallion
13%inclusion893 decks6.77K decks
10%synergy
The Great Henge
12%inclusion795 decks6.77K decks
3%synergy
Idol of Oblivion
11%inclusion768 decks6.77K decks
8%synergy
Sapphire Medallion
10%inclusion707 decks6.77K decks
7%synergy
Eldrazi Monument
10%inclusion646 decks6.77K decks
9%synergy
Bident of Thassa
9.3%inclusion632 decks6.77K decks
2%synergy
Coat of Arms
7.5%inclusion511 decks6.77K decks
6%synergy
The One Ring
6.9%inclusion468 decks6.77K decks
-1%synergy
Banner of Kinship
5.7%inclusion274 decks4.78K decks
4%synergy
Skullclamp
5.0%inclusion341 decks6.77K decks
4%synergy
Enchantments
Doubling Season
49%inclusion3.31K decks6.77K decks
39%synergy
Tribute to the World Tree
44%inclusion2.98K decks6.77K decks
38%synergy
Kindred Discovery
31%inclusion2.11K decks6.77K decks
21%synergy
Mystic Remora
28%inclusion1.87K decks6.77K decks
12%synergy
Primal Vigor
18%inclusion1.25K decks6.77K decks
15%synergy
Garruk's Uprising
18%inclusion1.23K decks6.77K decks
2%synergy
Growing Rites of Itlimoc
18%inclusion1.20K decks6.77K decks
12%synergy
Wild Growth
15%inclusion1.04K decks6.77K decks
7%synergy
Sylvan Library
15%inclusion1.03K decks6.77K decks
6%synergy
Beastmaster Ascension
15%inclusion998 decks6.77K decks
12%synergy
Cryptolith Rite
15%inclusion995 decks6.77K decks
12%synergy
Exploration
15%inclusion988 decks6.77K decks
1%synergy
Utopia Sprawl
13%inclusion882 decks6.77K decks
6%synergy
Paradox Haze
12%inclusion832 decks6.77K decks
12%synergy
Propaganda
11%inclusion758 decks6.77K decks
4%synergy
Wilderness Reclamation
10%inclusion690 decks6.77K decks
1%synergy
Unnatural Growth
10%inclusion667 decks6.77K decks
6%synergy
Impostor Syndrome
9.5%inclusion140 decks1.48K decks
7%synergy
Defense of the Heart
9.0%inclusion609 decks6.77K decks
7%synergy
Moonlit Meditation
8.3%inclusion165 decks1.99K decks
7%synergy
Extravagant Replication
7.9%inclusion534 decks6.77K decks
6%synergy
Burgeoning
7.7%inclusion522 decks6.77K decks
1%synergy
Imprisoned in the Moon
7.7%inclusion519 decks6.77K decks
4%synergy
Asceticism
7.2%inclusion486 decks6.77K decks
4%synergy
Kenrith's Transformation
7.1%inclusion479 decks6.77K decks
3%synergy
Ominous Seas
6.7%inclusion457 decks6.77K decks
2%synergy
Verity Circle
5.7%inclusion386 decks6.77K decks
5%synergy
Dismiss into Dream
5.2%inclusion355 decks6.77K decks
5%synergy
Planeswalkers
Oko, Thief of Crowns
21%inclusion1.41K decks6.77K decks
14%synergy
Kiora, the Crashing Wave
7.9%inclusion538 decks6.77K decks
5%synergy
Utility Lands
Reliquary Tower
61%inclusion4.11K decks6.77K decks
11%synergy
Boseiju, Who Endures
25%inclusion1.71K decks6.77K decks
3%synergy
Yavimaya, Cradle of Growth
24%inclusion1.65K decks6.77K decks
2%synergy
Otawara, Soaring City
21%inclusion1.40K decks6.77K decks
2%synergy
Temple of the False God
20%inclusion1.34K decks6.77K decks
4%synergy
Command Beacon
18%inclusion1.24K decks6.77K decks
14%synergy
Mosswort Bridge
16%inclusion1.11K decks6.77K decks
-1%synergy
Three Tree City
16%inclusion899 decks5.59K decks
11%synergy
Rogue's Passage
15%inclusion1.01K decks6.77K decks
-7%synergy
Mystic Sanctuary
14%inclusion964 decks6.77K decks
2%synergy
Castle Garenbrig
13%inclusion882 decks6.77K decks
8%synergy
Mistrise Village
13%inclusion409 decks3.21K decks
2%synergy
Alchemist's Refuge
12%inclusion808 decks6.77K decks
-5%synergy
Evendo, Waking Haven
11%inclusion233 decks2.04K decks
6%synergy
Restless Vinestalk
5.8%inclusion390 decks6.77K decks
0%synergy
Castle Vantress
5.7%inclusion387 decks6.77K decks
-1%synergy
Lumbering Falls
5.1%inclusion345 decks6.77K decks
-2%synergy
Mana Artifacts
Sol Ring
92%inclusion6.21K decks6.77K decks
11%synergy
Arcane Signet
78%inclusion5.26K decks6.77K decks
15%synergy
Simic Signet
44%inclusion2.96K decks6.77K decks
12%synergy
Thought Vessel
39%inclusion2.64K decks6.77K decks
19%synergy
Talisman of Curiosity
33%inclusion2.26K decks6.77K decks
12%synergy
Commander's Sphere
11%inclusion775 decks6.77K decks
3%synergy
Fellwar Stone
11%inclusion753 decks6.77K decks
2%synergy
Decanter of Endless Water
7.3%inclusion495 decks6.77K decks
2%synergy
Thran Dynamo
7.0%inclusion471 decks6.77K decks
4%synergy
Mana Vault
6.9%inclusion470 decks6.77K decks
1%synergy
Mind Stone
6.0%inclusion409 decks6.77K decks
2%synergy
Lands
Forest
94%inclusion6.39K decks6.77K decks
-1%synergy
Island
94%inclusion6.39K decks6.77K decks
-1%synergy
Command Tower
86%inclusion5.85K decks6.77K decks
1%synergy
Hinterland Harbor
65%inclusion4.43K decks6.77K decks
6%synergy
Breeding Pool
55%inclusion3.71K decks6.77K decks
9%synergy
Yavimaya Coast
55%inclusion3.70K decks6.77K decks
2%synergy
Rejuvenating Springs
55%inclusion3.69K decks6.77K decks
11%synergy
Dreamroot Cascade
50%inclusion3.36K decks6.77K decks
8%synergy
Simic Growth Chamber
50%inclusion3.35K decks6.77K decks
1%synergy
Flooded Grove
44%inclusion3K decks6.77K decks
3%synergy
Temple of Mystery
37%inclusion2.52K decks6.77K decks
-1%synergy
Misty Rainforest
36%inclusion2.46K decks6.77K decks
5%synergy
Vineglimmer Snarl
36%inclusion2.44K decks6.77K decks
-3%synergy
Barkchannel Pathway
35%inclusion2.39K decks6.77K decks
15%synergy
Myriad Landscape
27%inclusion1.80K decks6.77K decks
5%synergy
Exotic Orchard
25%inclusion1.70K decks6.77K decks
1%synergy
Evolving Wilds
23%inclusion1.53K decks6.77K decks
-2%synergy
Waterlogged Grove
22%inclusion1.46K decks6.77K decks
1%synergy
Thornwood Falls
20%inclusion1.37K decks6.77K decks
3%synergy
Tangled Islet
20%inclusion1.35K decks6.77K decks
4%synergy
Hedge Maze
20%inclusion1.30K decks6.66K decks
0%synergy
Willowrush Verge
18%inclusion720 decks3.91K decks
2%synergy
Rimewood Falls
17%inclusion1.18K decks6.77K decks
8%synergy
Fabled Passage
17%inclusion1.18K decks6.77K decks
3%synergy
Terramorphic Expanse
16%inclusion1.08K decks6.77K decks
-4%synergy
Overflowing Basin
15%inclusion967 decks6.42K decks
-4%synergy
Tropical Island
15%inclusion996 decks6.77K decks
0%synergy
Botanical Sanctum
13%inclusion898 decks6.77K decks
1%synergy
Bala Ged Recovery
12%inclusion834 decks6.77K decks
2%synergy
Sink into Stupor
11%inclusion660 decks5.85K decks
0%synergy
Simic Guildgate
10%inclusion703 decks6.77K decks
0%synergy
Path of Ancestry
10%inclusion697 decks6.77K decks
-7%synergy
Snow-Covered Island
9.2%inclusion625 decks6.77K decks
2%synergy
Snow-Covered Forest
9.2%inclusion623 decks6.77K decks
2%synergy
Prismatic Vista
9.2%inclusion622 decks6.77K decks
2%synergy
Glasspool Mimic
8.8%inclusion598 decks6.77K decks
5%synergy
Blighted Woodland
8.3%inclusion560 decks6.77K decks
1%synergy
Flooded Strand
7.8%inclusion526 decks6.77K decks
-3%synergy
Windswept Heath
7.6%inclusion518 decks6.77K decks
-3%synergy
Verdant Catacombs
7.5%inclusion506 decks6.77K decks
-2%synergy
Littjara Mirrorlake
7.4%inclusion500 decks6.77K decks
3%synergy
Polluted Delta
7.1%inclusion481 decks6.77K decks
-3%synergy
Sea Gate Restoration
6.9%inclusion468 decks6.77K decks
1%synergy
Scalding Tarn
6.7%inclusion454 decks6.77K decks
-3%synergy
Wooded Foothills
6.3%inclusion425 decks6.77K decks
-3%synergy
Woodland Stream
6.2%inclusion419 decks6.77K decks
1%synergy
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Commander SpellbookFABRECSpellvoid
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