The Monstrous Serpent (Commander) - Budget Sea Creatures

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #298
14decks
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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Slinn Voda, the Rising Deep
93%inclusion13 decks14 decks
86%synergy
Whelming Wave
86%inclusion12 decks14 decks
74%synergy
Stormtide Leviathan
79%inclusion11 decks14 decks
73%synergy
Reef Worm
71%inclusion10 decks14 decks
68%synergy
Serpent of Yawning Depths
71%inclusion10 decks14 decks
65%synergy
Sharktocrab
64%inclusion9 decks14 decks
63%synergy
Nadir Kraken
64%inclusion9 decks14 decks
60%synergy
Tromokratis
64%inclusion9 decks14 decks
59%synergy
Arixmethes, Slumbering Isle
71%inclusion10 decks14 decks
58%synergy
Junk Winder
64%inclusion9 decks14 decks
58%synergy
Top Cards
Cultivate
93%inclusion13 decks14 decks
46%synergy
Negate
79%inclusion11 decks14 decks
53%synergy
Growth Spiral
79%inclusion11 decks14 decks
34%synergy
Rampant Growth
71%inclusion10 decks14 decks
31%synergy
Kodama's Reach
64%inclusion9 decks14 decks
28%synergy
Garruk's Uprising
64%inclusion9 decks14 decks
48%synergy
Urban Evolution
64%inclusion9 decks14 decks
55%synergy
Counterspell
64%inclusion9 decks14 decks
14%synergy
Scourge of Fleets
57%inclusion8 decks14 decks
49%synergy
Beast Within
57%inclusion8 decks14 decks
7%synergy
Creatures
Koma, World-Eater
100%inclusion2 decks2 decks
87%synergy
Iceridge Serpent
100%inclusion1 decks1 decks
100%synergy
Starwinder
100%inclusion1 decks1 decks
93%synergy
Glacier Godmaw
100%inclusion1 decks1 decks
96%synergy
Kiora, Sovereign of the Deep
57%inclusion8 decks14 decks
55%synergy
Octoprophet
57%inclusion8 decks14 decks
56%synergy
Hullbreaker Horror
57%inclusion8 decks14 decks
39%synergy
Inkwell Leviathan
57%inclusion8 decks14 decks
53%synergy
Shipbreaker Kraken
57%inclusion8 decks14 decks
54%synergy
Spawning Kraken
57%inclusion8 decks14 decks
50%synergy
Elder Deep-Fiend
50%inclusion7 decks14 decks
48%synergy
Verazol, the Split Current
50%inclusion7 decks14 decks
50%synergy
Simic Sky Swallower
50%inclusion7 decks14 decks
46%synergy
Brinelin, the Moon Kraken
43%inclusion6 decks14 decks
39%synergy
Reservoir Kraken
43%inclusion6 decks14 decks
41%synergy
Deep-Sea Kraken
43%inclusion6 decks14 decks
40%synergy
Murkfiend Liege
43%inclusion6 decks14 decks
28%synergy
Stormsurge Kraken
43%inclusion6 decks14 decks
38%synergy
Charix, the Raging Isle
43%inclusion6 decks14 decks
39%synergy
Nezahal, Primal Tide
43%inclusion6 decks14 decks
32%synergy
Mesmerizing Benthid
43%inclusion6 decks14 decks
42%synergy
Xolatoyac, the Smiling Flood
36%inclusion5 decks14 decks
28%synergy
Aesi, Tyrant of Gyre Strait
36%inclusion5 decks14 decks
19%synergy
Scrapdiver Serpent
36%inclusion5 decks14 decks
35%synergy
Tolarian Kraken
36%inclusion5 decks14 decks
34%synergy
Kraken of the Straits
36%inclusion5 decks14 decks
35%synergy
Sword Coast Serpent
36%inclusion5 decks14 decks
34%synergy
Trench Behemoth
36%inclusion5 decks14 decks
33%synergy
Cryptic Serpent
29%inclusion4 decks14 decks
28%synergy
Harbor Serpent
29%inclusion4 decks14 decks
28%synergy
Biolume Egg
29%inclusion4 decks14 decks
28%synergy
Monstrosity of the Lake
29%inclusion4 decks14 decks
26%synergy
Nimbus Swimmer
29%inclusion4 decks14 decks
27%synergy
Benthic Anomaly
22%inclusion2 decks9 decks
20%synergy
Tatyova, Benthic Druid
21%inclusion3 decks14 decks
-10%synergy
Troyan, Gutsy Explorer
21%inclusion3 decks14 decks
18%synergy
Adrix and Nev, Twincasters
21%inclusion3 decks14 decks
13%synergy
Coiling Oracle
21%inclusion3 decks14 decks
8%synergy
Frilled Sea Serpent
21%inclusion3 decks14 decks
21%synergy
Wormhole Serpent
21%inclusion3 decks14 decks
21%synergy
Striped Riverwinder
21%inclusion3 decks14 decks
21%synergy
Shoal Serpent
21%inclusion3 decks14 decks
21%synergy
The Watcher in the Water
21%inclusion3 decks14 decks
20%synergy
River Serpent
21%inclusion3 decks14 decks
21%synergy
Aegis Turtle
21%inclusion3 decks14 decks
20%synergy
Enduring Vitality
17%inclusion1 decks6 decks
9%synergy
Zimone, All-Questioning
17%inclusion1 decks6 decks
16%synergy
Sea-Dasher Octopus
14%inclusion2 decks14 decks
12%synergy
Octomancer
14%inclusion1 decks7 decks
9%synergy
Deep-Sea Terror
14%inclusion2 decks14 decks
14%synergy
Instants
Magic Damper
100%inclusion1 decks1 decks
99%synergy
Refute
50%inclusion1 decks2 decks
48%synergy
Harrow
50%inclusion7 decks14 decks
38%synergy
Return of the Wildspeaker
43%inclusion6 decks14 decks
32%synergy
Return to Nature
43%inclusion6 decks14 decks
37%synergy
Simic Charm
43%inclusion6 decks14 decks
35%synergy
Eureka Moment
36%inclusion5 decks14 decks
25%synergy
Brainstorm
21%inclusion3 decks14 decks
7%synergy
Second Harvest
21%inclusion3 decks14 decks
15%synergy
Dispel
21%inclusion3 decks14 decks
17%synergy
Aetherize
21%inclusion3 decks14 decks
10%synergy
Double Major
21%inclusion3 decks14 decks
13%synergy
Snakeskin Veil
14%inclusion2 decks14 decks
9%synergy
Decisive Denial
14%inclusion2 decks14 decks
9%synergy
Incubation // Incongruity
14%inclusion2 decks14 decks
12%synergy
Plasm Capture
14%inclusion2 decks14 decks
11%synergy
Reality Shift
14%inclusion2 decks14 decks
0%synergy
Cancel
14%inclusion2 decks14 decks
12%synergy
Mana Leak
14%inclusion2 decks14 decks
12%synergy
Planar Genesis
11%inclusion1 decks9 decks
0%synergy
Phantom Interference
10%inclusion1 decks10 decks
10%synergy
Strix Serenade
10%inclusion1 decks10 decks
6%synergy
Collective Resistance
10%inclusion1 decks10 decks
6%synergy
Aura Graft
7.1%inclusion1 decks14 decks
7%synergy
Deny the Divine
7.1%inclusion1 decks14 decks
7%synergy
Rapid Hybridization
7.1%inclusion1 decks14 decks
-19%synergy
Muddle the Mixture
7.1%inclusion1 decks14 decks
3%synergy
Disdainful Stroke
7.1%inclusion1 decks14 decks
6%synergy
Scatter to the Winds
7.1%inclusion1 decks14 decks
7%synergy
Spell Burst
7.1%inclusion1 decks14 decks
7%synergy
See Double
7.1%inclusion1 decks14 decks
5%synergy
Spell Snuff
7.1%inclusion1 decks14 decks
7%synergy
Krosan Grip
7.1%inclusion1 decks14 decks
-1%synergy
Dissipate
7.1%inclusion1 decks14 decks
7%synergy
Broken Wings
7.1%inclusion1 decks14 decks
6%synergy
Repulsive Mutation
7.1%inclusion1 decks14 decks
2%synergy
Unsummon
7.1%inclusion1 decks14 decks
6%synergy
Saw It Coming
7.1%inclusion1 decks14 decks
6%synergy
Cackling Counterpart
7.1%inclusion1 decks14 decks
4%synergy
Joint Exploration
7.1%inclusion1 decks14 decks
1%synergy
Engulf the Shore
7.1%inclusion1 decks14 decks
5%synergy
Wash Away
7.1%inclusion1 decks14 decks
6%synergy
Anticipate
7.1%inclusion1 decks14 decks
7%synergy
Arcane Denial
7.1%inclusion1 decks14 decks
-15%synergy
Whirlwind Denial
7.1%inclusion1 decks14 decks
7%synergy
Memory Lapse
7.1%inclusion1 decks14 decks
6%synergy
Naturalize
7.1%inclusion1 decks14 decks
5%synergy
Into the Roil
7.1%inclusion1 decks14 decks
5%synergy
Withstand Death
7.1%inclusion1 decks14 decks
7%synergy
Voidslime
7.1%inclusion1 decks14 decks
2%synergy
Sorceries
Explore
57%inclusion8 decks14 decks
37%synergy
Harmonize
50%inclusion7 decks14 decks
44%synergy
Crush of Tentacles
43%inclusion6 decks14 decks
42%synergy
Search for Tomorrow
36%inclusion5 decks14 decks
31%synergy
For the Common Good
29%inclusion2 decks7 decks
27%synergy
Unexpected Results
14%inclusion2 decks14 decks
13%synergy
Ranger's Path
14%inclusion2 decks14 decks
14%synergy
Farseek
14%inclusion2 decks14 decks
-10%synergy
Nature's Lore
14%inclusion2 decks14 decks
-16%synergy
Spitting Image
14%inclusion2 decks14 decks
12%synergy
Overwhelming Stampede
14%inclusion2 decks14 decks
2%synergy
Croaking Counterpart
7.1%inclusion1 decks14 decks
3%synergy
Sakashima's Will
7.1%inclusion1 decks14 decks
7%synergy
Skyshroud Claim
7.1%inclusion1 decks14 decks
-2%synergy
Flood of Tears
7.1%inclusion1 decks14 decks
5%synergy
Neoform
7.1%inclusion1 decks14 decks
3%synergy
Curse of the Swine
7.1%inclusion1 decks14 decks
-4%synergy
Counsel of the Soratami
7.1%inclusion1 decks14 decks
7%synergy
Parallel Evolution
7.1%inclusion1 decks14 decks
7%synergy
Rishkar's Expertise
7.1%inclusion1 decks14 decks
-1%synergy
Sleep
7.1%inclusion1 decks14 decks
7%synergy
Spectral Deluge
7.1%inclusion1 decks14 decks
6%synergy
River's Rebuke
7.1%inclusion1 decks14 decks
4%synergy
Doppelgang
7.1%inclusion1 decks14 decks
1%synergy
Shamanic Revelation
7.1%inclusion1 decks14 decks
2%synergy
Migration Path
7.1%inclusion1 decks14 decks
4%synergy
Celebrate the Harvest
7.1%inclusion1 decks14 decks
7%synergy
Analyze the Pollen
7.1%inclusion1 decks14 decks
7%synergy
Sylvan Scrying
7.1%inclusion1 decks14 decks
2%synergy
Solve the Equation
7.1%inclusion1 decks14 decks
5%synergy
Utility Artifacts
Kefnet's Monument
36%inclusion5 decks14 decks
35%synergy
Swiftfoot Boots
36%inclusion5 decks14 decks
10%synergy
Sapphire Medallion
21%inclusion3 decks14 decks
18%synergy
Wayfarer's Bauble
14%inclusion2 decks14 decks
13%synergy
Helm of the Host
14%inclusion2 decks14 decks
9%synergy
Bow of Nylea
7.1%inclusion1 decks14 decks
6%synergy
Lifecrafter's Bestiary
7.1%inclusion1 decks14 decks
3%synergy
Haunted Cloak
7.1%inclusion1 decks14 decks
7%synergy
Esika's Chariot
7.1%inclusion1 decks14 decks
6%synergy
Seer's Sundial
7.1%inclusion1 decks14 decks
6%synergy
Winged Boots
7.1%inclusion1 decks14 decks
6%synergy
Combine Chrysalis
7.1%inclusion1 decks14 decks
3%synergy
Bident of Thassa
7.1%inclusion1 decks14 decks
0%synergy
Helm of Awakening
7.1%inclusion1 decks14 decks
7%synergy
Enchantments
Ominous Seas
43%inclusion6 decks14 decks
39%synergy
Khalni Heart Expedition
43%inclusion6 decks14 decks
39%synergy
Primal Empathy
36%inclusion5 decks14 decks
33%synergy
Levitation
36%inclusion5 decks14 decks
35%synergy
Bounty of the Luxa
36%inclusion5 decks14 decks
35%synergy
Up the Beanstalk
14%inclusion2 decks14 decks
10%synergy
Aqueous Form
14%inclusion2 decks14 decks
10%synergy
Ichthyomorphosis
14%inclusion2 decks14 decks
14%synergy
Kasmina's Transmutation
14%inclusion2 decks14 decks
13%synergy
Retreat to Coralhelm
14%inclusion2 decks14 decks
4%synergy
Elemental Bond
14%inclusion2 decks14 decks
9%synergy
Propaganda
14%inclusion2 decks14 decks
8%synergy
Monstrous Vortex
11%inclusion1 decks9 decks
8%synergy
Shadow of the Second Sun
10%inclusion1 decks10 decks
9%synergy
Waterknot
7.1%inclusion1 decks14 decks
7%synergy
Utopia Sprawl
7.1%inclusion1 decks14 decks
1%synergy
Beastmaster Ascension
7.1%inclusion1 decks14 decks
4%synergy
Reconnaissance Mission
7.1%inclusion1 decks14 decks
5%synergy
Ashiok's Erasure
7.1%inclusion1 decks14 decks
7%synergy
Encrust
7.1%inclusion1 decks14 decks
7%synergy
Wizard Class
7.1%inclusion1 decks14 decks
2%synergy
Lost in the Maze
7.1%inclusion1 decks14 decks
7%synergy
Extravagant Replication
7.1%inclusion1 decks14 decks
5%synergy
Season of Growth
7.1%inclusion1 decks14 decks
3%synergy
Retreat to Kazandu
7.1%inclusion1 decks14 decks
3%synergy
Quest for Ula's Temple
7.1%inclusion1 decks14 decks
5%synergy
Sleep with the Fishes
7.1%inclusion1 decks14 decks
7%synergy
Eel Umbra
7.1%inclusion1 decks14 decks
6%synergy
Elven Chorus
7.1%inclusion1 decks14 decks
4%synergy
Sigil of Sleep
7.1%inclusion1 decks14 decks
7%synergy
Infinite Reflection
7.1%inclusion1 decks14 decks
7%synergy
Deep Freeze
7.1%inclusion1 decks14 decks
7%synergy
Octopus Umbra
7.1%inclusion1 decks14 decks
6%synergy
Snake Umbra
7.1%inclusion1 decks14 decks
5%synergy
Omniscience
7.1%inclusion1 decks14 decks
3%synergy
Fishliver Oil
7.1%inclusion1 decks14 decks
7%synergy
Stasis Field
7.1%inclusion1 decks14 decks
7%synergy
Coastal Piracy
7.1%inclusion1 decks14 decks
6%synergy
Shark Typhoon
7.1%inclusion1 decks14 decks
6%synergy
Time of Ice
7.1%inclusion1 decks14 decks
7%synergy
Threads of Disloyalty
7.1%inclusion1 decks14 decks
7%synergy
Mana Reflection
7.1%inclusion1 decks14 decks
2%synergy
Eaten by Piranhas
7.1%inclusion1 decks14 decks
5%synergy
Reflections of Littjara
7.1%inclusion1 decks14 decks
-1%synergy
Primal Vigor
7.1%inclusion1 decks14 decks
4%synergy
Security Bypass
7.1%inclusion1 decks14 decks
7%synergy
Storm of Saruman
7.1%inclusion1 decks14 decks
6%synergy
Mind's Dilation
7.1%inclusion1 decks14 decks
6%synergy
Confiscate
7.1%inclusion1 decks14 decks
7%synergy
Paradox Haze
7.1%inclusion1 decks14 decks
7%synergy
Battles
Invasion of Segovia
14%inclusion2 decks14 decks
14%synergy
Invasion of Zendikar
7.1%inclusion1 decks14 decks
5%synergy
Invasion of Shandalar
7.1%inclusion1 decks14 decks
7%synergy
Planeswalkers
Kiora, Behemoth Beckoner
29%inclusion4 decks14 decks
22%synergy
Kiora, the Crashing Wave
14%inclusion2 decks14 decks
11%synergy
Oko, the Ringleader
8.3%inclusion1 decks12 decks
7%synergy
Kiora, Master of the Depths
7.1%inclusion1 decks14 decks
5%synergy
Utility Lands
Coral Atoll
29%inclusion4 decks14 decks
26%synergy
Reliquary Tower
21%inclusion3 decks14 decks
-29%synergy
Rogue's Passage
14%inclusion2 decks14 decks
-8%synergy
Echoing Deeps
7.1%inclusion1 decks14 decks
6%synergy
Seat of the Synod
7.1%inclusion1 decks14 decks
4%synergy
Halimar Depths
7.1%inclusion1 decks14 decks
4%synergy
War Room
7.1%inclusion1 decks14 decks
6%synergy
Skyline Cascade
7.1%inclusion1 decks14 decks
7%synergy
Mosswort Bridge
7.1%inclusion1 decks14 decks
-10%synergy
Command Beacon
7.1%inclusion1 decks14 decks
3%synergy
Memorial to Genius
7.1%inclusion1 decks14 decks
6%synergy
Sapseep Forest
7.1%inclusion1 decks14 decks
7%synergy
Dark Depths
7.1%inclusion1 decks14 decks
1%synergy
Temple of the False God
7.1%inclusion1 decks14 decks
-8%synergy
Jungle Basin
7.1%inclusion1 decks14 decks
5%synergy
Mana Artifacts
Arcane Signet
71%inclusion10 decks14 decks
9%synergy
Sol Ring
71%inclusion10 decks14 decks
-9%synergy
Simic Signet
57%inclusion8 decks14 decks
25%synergy
Commander's Sphere
43%inclusion6 decks14 decks
35%synergy
Talisman of Curiosity
21%inclusion3 decks14 decks
0%synergy
Thought Vessel
21%inclusion3 decks14 decks
1%synergy
Everflowing Chalice
14%inclusion2 decks14 decks
10%synergy
Simic Cluestone
7.1%inclusion1 decks14 decks
6%synergy
Decanter of Endless Water
7.1%inclusion1 decks14 decks
2%synergy
Simic Locket
7.1%inclusion1 decks14 decks
6%synergy
Mind Stone
7.1%inclusion1 decks14 decks
3%synergy
Skyclave Relic
7.1%inclusion1 decks14 decks
6%synergy
Lands
Island
100%inclusion14 decks14 decks
5%synergy
Forest
100%inclusion14 decks14 decks
5%synergy
Command Tower
79%inclusion11 decks14 decks
-7%synergy
Thornwood Falls
71%inclusion10 decks14 decks
54%synergy
Simic Growth Chamber
50%inclusion7 decks14 decks
1%synergy
Woodland Stream
50%inclusion7 decks14 decks
45%synergy
Tangled Islet
43%inclusion6 decks14 decks
26%synergy
Exotic Orchard
36%inclusion5 decks14 decks
12%synergy
Temple of Mystery
36%inclusion5 decks14 decks
-3%synergy
Evolving Wilds
36%inclusion5 decks14 decks
11%synergy
Path of Ancestry
29%inclusion4 decks14 decks
11%synergy
Simic Guildgate
29%inclusion4 decks14 decks
18%synergy
Terramorphic Expanse
21%inclusion3 decks14 decks
2%synergy
Myriad Landscape
21%inclusion3 decks14 decks
-1%synergy
Rimewood Falls
21%inclusion3 decks14 decks
12%synergy
Lush Oasis
18%inclusion2 decks11 decks
12%synergy
Overflowing Basin
15%inclusion2 decks13 decks
-4%synergy
Quandrix Campus
14%inclusion2 decks14 decks
7%synergy
Littjara Mirrorlake
14%inclusion2 decks14 decks
10%synergy
Yavimaya Coast
14%inclusion2 decks14 decks
-38%synergy
Snow-Covered Forest
14%inclusion2 decks14 decks
7%synergy
Flooded Grove
14%inclusion2 decks14 decks
-27%synergy
Blighted Woodland
7.1%inclusion1 decks14 decks
0%synergy
Breeding Pool
7.1%inclusion1 decks14 decks
-38%synergy
Shimmerdrift Vale
7.1%inclusion1 decks14 decks
7%synergy
Vivid Creek
7.1%inclusion1 decks14 decks
6%synergy
Vineglimmer Snarl
7.1%inclusion1 decks14 decks
-31%synergy
Snow-Covered Island
7.1%inclusion1 decks14 decks
0%synergy
Thriving Grove
7.1%inclusion1 decks14 decks
5%synergy
Opal Palace
7.1%inclusion1 decks14 decks
5%synergy
Sea Gate
7.1%inclusion1 decks14 decks
5%synergy
Vivid Grove
7.1%inclusion1 decks14 decks
6%synergy
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