The Monstrous Serpent (Commander) - Budget Sea Creatures

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #302
13decks
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
92%inclusion12 decks13 decks
86%synergy
Whelming Wave
85%inclusion11 decks13 decks
73%synergy
Reef Worm
77%inclusion10 decks13 decks
73%synergy
Stormtide Leviathan
77%inclusion10 decks13 decks
71%synergy
Serpent of Yawning Depths
77%inclusion10 decks13 decks
71%synergy
Nadir Kraken
69%inclusion9 decks13 decks
65%synergy
Arixmethes, Slumbering Isle
77%inclusion10 decks13 decks
63%synergy
Junk Winder
69%inclusion9 decks13 decks
63%synergy
Sharktocrab
62%inclusion8 decks13 decks
61%synergy
Kiora, Sovereign of the Deep
62%inclusion8 decks13 decks
60%synergy
Top Cards
Cultivate
92%inclusion12 decks13 decks
46%synergy
Negate
77%inclusion10 decks13 decks
51%synergy
Growth Spiral
77%inclusion10 decks13 decks
32%synergy
Rampant Growth
77%inclusion10 decks13 decks
36%synergy
Kodama's Reach
69%inclusion9 decks13 decks
33%synergy
Counterspell
69%inclusion9 decks13 decks
19%synergy
Garruk's Uprising
62%inclusion8 decks13 decks
45%synergy
Tromokratis
62%inclusion8 decks13 decks
56%synergy
Urban Evolution
62%inclusion8 decks13 decks
52%synergy
Inkwell Leviathan
62%inclusion8 decks13 decks
57%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
Spawning Kraken
62%inclusion8 decks13 decks
54%synergy
Scourge of Fleets
54%inclusion7 decks13 decks
46%synergy
Octoprophet
54%inclusion7 decks13 decks
53%synergy
Hullbreaker Horror
54%inclusion7 decks13 decks
36%synergy
Shipbreaker Kraken
54%inclusion7 decks13 decks
51%synergy
Brinelin, the Moon Kraken
46%inclusion6 decks13 decks
42%synergy
Reservoir Kraken
46%inclusion6 decks13 decks
45%synergy
Elder Deep-Fiend
46%inclusion6 decks13 decks
44%synergy
Deep-Sea Kraken
46%inclusion6 decks13 decks
43%synergy
Stormsurge Kraken
46%inclusion6 decks13 decks
42%synergy
Charix, the Raging Isle
46%inclusion6 decks13 decks
43%synergy
Verazol, the Split Current
46%inclusion6 decks13 decks
46%synergy
Simic Sky Swallower
46%inclusion6 decks13 decks
42%synergy
Mesmerizing Benthid
46%inclusion6 decks13 decks
45%synergy
Xolatoyac, the Smiling Flood
38%inclusion5 decks13 decks
31%synergy
Murkfiend Liege
38%inclusion5 decks13 decks
24%synergy
Scrapdiver Serpent
38%inclusion5 decks13 decks
38%synergy
Tolarian Kraken
38%inclusion5 decks13 decks
37%synergy
Kraken of the Straits
38%inclusion5 decks13 decks
37%synergy
Nezahal, Primal Tide
38%inclusion5 decks13 decks
28%synergy
Sword Coast Serpent
38%inclusion5 decks13 decks
37%synergy
Cryptic Serpent
31%inclusion4 decks13 decks
30%synergy
Harbor Serpent
31%inclusion4 decks13 decks
31%synergy
Aesi, Tyrant of Gyre Strait
31%inclusion4 decks13 decks
13%synergy
Nimbus Swimmer
31%inclusion4 decks13 decks
30%synergy
Trench Behemoth
31%inclusion4 decks13 decks
28%synergy
Benthic Anomaly
25%inclusion2 decks8 decks
23%synergy
Tatyova, Benthic Druid
23%inclusion3 decks13 decks
-8%synergy
Adrix and Nev, Twincasters
23%inclusion3 decks13 decks
15%synergy
Frilled Sea Serpent
23%inclusion3 decks13 decks
23%synergy
Striped Riverwinder
23%inclusion3 decks13 decks
23%synergy
Biolume Egg
23%inclusion3 decks13 decks
23%synergy
Shoal Serpent
23%inclusion3 decks13 decks
23%synergy
Monstrosity of the Lake
23%inclusion3 decks13 decks
20%synergy
River Serpent
23%inclusion3 decks13 decks
23%synergy
Enduring Vitality
17%inclusion1 decks6 decks
9%synergy
Zimone, All-Questioning
17%inclusion1 decks6 decks
16%synergy
Sea-Dasher Octopus
15%inclusion2 decks13 decks
13%synergy
Troyan, Gutsy Explorer
15%inclusion2 decks13 decks
12%synergy
Deep-Sea Terror
15%inclusion2 decks13 decks
15%synergy
Serpent of the Endless Sea
15%inclusion2 decks13 decks
15%synergy
Elvish Mystic
15%inclusion2 decks13 decks
-9%synergy
Steelclad Serpent
15%inclusion2 decks13 decks
15%synergy
Llanowar Elves
15%inclusion2 decks13 decks
-13%synergy
Coiling Oracle
15%inclusion2 decks13 decks
2%synergy
Hydroid Krasis
15%inclusion2 decks13 decks
7%synergy
Instants
Magic Damper
100%inclusion1 decks1 decks
99%synergy
Harrow
54%inclusion7 decks13 decks
42%synergy
Beast Within
54%inclusion7 decks13 decks
4%synergy
Refute
50%inclusion1 decks2 decks
48%synergy
Return of the Wildspeaker
38%inclusion5 decks13 decks
28%synergy
Return to Nature
38%inclusion5 decks13 decks
33%synergy
Simic Charm
38%inclusion5 decks13 decks
31%synergy
Eureka Moment
31%inclusion4 decks13 decks
20%synergy
Dispel
23%inclusion3 decks13 decks
18%synergy
Aetherize
23%inclusion3 decks13 decks
11%synergy
Double Major
23%inclusion3 decks13 decks
15%synergy
Snakeskin Veil
15%inclusion2 decks13 decks
10%synergy
Decisive Denial
15%inclusion2 decks13 decks
10%synergy
Incubation // Incongruity
15%inclusion2 decks13 decks
13%synergy
Plasm Capture
15%inclusion2 decks13 decks
12%synergy
Brainstorm
15%inclusion2 decks13 decks
1%synergy
Second Harvest
15%inclusion2 decks13 decks
9%synergy
Reality Shift
15%inclusion2 decks13 decks
1%synergy
Cancel
15%inclusion2 decks13 decks
13%synergy
Mana Leak
15%inclusion2 decks13 decks
13%synergy
Planar Genesis
13%inclusion1 decks8 decks
2%synergy
Phantom Interference
11%inclusion1 decks9 decks
11%synergy
Strix Serenade
11%inclusion1 decks9 decks
7%synergy
Aura Graft
7.7%inclusion1 decks13 decks
8%synergy
Deny the Divine
7.7%inclusion1 decks13 decks
8%synergy
Muddle the Mixture
7.7%inclusion1 decks13 decks
3%synergy
Disdainful Stroke
7.7%inclusion1 decks13 decks
6%synergy
Scatter to the Winds
7.7%inclusion1 decks13 decks
7%synergy
Spell Burst
7.7%inclusion1 decks13 decks
8%synergy
See Double
7.7%inclusion1 decks13 decks
6%synergy
Spell Snuff
7.7%inclusion1 decks13 decks
8%synergy
Krosan Grip
7.7%inclusion1 decks13 decks
0%synergy
Dissipate
7.7%inclusion1 decks13 decks
7%synergy
Broken Wings
7.7%inclusion1 decks13 decks
7%synergy
Repulsive Mutation
7.7%inclusion1 decks13 decks
3%synergy
Unsummon
7.7%inclusion1 decks13 decks
6%synergy
Saw It Coming
7.7%inclusion1 decks13 decks
6%synergy
Cackling Counterpart
7.7%inclusion1 decks13 decks
4%synergy
Joint Exploration
7.7%inclusion1 decks13 decks
2%synergy
Engulf the Shore
7.7%inclusion1 decks13 decks
6%synergy
Wash Away
7.7%inclusion1 decks13 decks
6%synergy
Anticipate
7.7%inclusion1 decks13 decks
7%synergy
Arcane Denial
7.7%inclusion1 decks13 decks
-15%synergy
Whirlwind Denial
7.7%inclusion1 decks13 decks
7%synergy
Memory Lapse
7.7%inclusion1 decks13 decks
7%synergy
Naturalize
7.7%inclusion1 decks13 decks
6%synergy
Into the Roil
7.7%inclusion1 decks13 decks
6%synergy
Withstand Death
7.7%inclusion1 decks13 decks
8%synergy
Voidslime
7.7%inclusion1 decks13 decks
3%synergy
Visions of Beyond
7.7%inclusion1 decks13 decks
8%synergy
Sorceries
Explore
54%inclusion7 decks13 decks
34%synergy
Crush of Tentacles
46%inclusion6 decks13 decks
45%synergy
Harmonize
46%inclusion6 decks13 decks
41%synergy
Search for Tomorrow
38%inclusion5 decks13 decks
34%synergy
For the Common Good
29%inclusion2 decks7 decks
27%synergy
Unexpected Results
15%inclusion2 decks13 decks
14%synergy
Ranger's Path
15%inclusion2 decks13 decks
15%synergy
Farseek
15%inclusion2 decks13 decks
-10%synergy
Spitting Image
15%inclusion2 decks13 decks
13%synergy
Overwhelming Stampede
15%inclusion2 decks13 decks
3%synergy
Croaking Counterpart
7.7%inclusion1 decks13 decks
3%synergy
Sakashima's Will
7.7%inclusion1 decks13 decks
7%synergy
Skyshroud Claim
7.7%inclusion1 decks13 decks
-1%synergy
Flood of Tears
7.7%inclusion1 decks13 decks
5%synergy
Neoform
7.7%inclusion1 decks13 decks
4%synergy
Curse of the Swine
7.7%inclusion1 decks13 decks
-3%synergy
Counsel of the Soratami
7.7%inclusion1 decks13 decks
8%synergy
Nature's Lore
7.7%inclusion1 decks13 decks
-23%synergy
Parallel Evolution
7.7%inclusion1 decks13 decks
7%synergy
Sleep
7.7%inclusion1 decks13 decks
7%synergy
Spectral Deluge
7.7%inclusion1 decks13 decks
7%synergy
River's Rebuke
7.7%inclusion1 decks13 decks
5%synergy
Doppelgang
7.7%inclusion1 decks13 decks
1%synergy
Migration Path
7.7%inclusion1 decks13 decks
4%synergy
Celebrate the Harvest
7.7%inclusion1 decks13 decks
8%synergy
Analyze the Pollen
7.7%inclusion1 decks13 decks
7%synergy
Sylvan Scrying
7.7%inclusion1 decks13 decks
2%synergy
Solve the Equation
7.7%inclusion1 decks13 decks
6%synergy
Utility Artifacts
Kefnet's Monument
38%inclusion5 decks13 decks
37%synergy
Swiftfoot Boots
31%inclusion4 decks13 decks
5%synergy
Wayfarer's Bauble
15%inclusion2 decks13 decks
14%synergy
Sapphire Medallion
15%inclusion2 decks13 decks
12%synergy
Bow of Nylea
7.7%inclusion1 decks13 decks
7%synergy
Lifecrafter's Bestiary
7.7%inclusion1 decks13 decks
4%synergy
Haunted Cloak
7.7%inclusion1 decks13 decks
7%synergy
Helm of the Host
7.7%inclusion1 decks13 decks
2%synergy
Esika's Chariot
7.7%inclusion1 decks13 decks
6%synergy
Seer's Sundial
7.7%inclusion1 decks13 decks
6%synergy
Winged Boots
7.7%inclusion1 decks13 decks
7%synergy
Combine Chrysalis
7.7%inclusion1 decks13 decks
3%synergy
Bident of Thassa
7.7%inclusion1 decks13 decks
0%synergy
Helm of Awakening
7.7%inclusion1 decks13 decks
7%synergy
Enchantments
Ominous Seas
46%inclusion6 decks13 decks
42%synergy
Levitation
38%inclusion5 decks13 decks
38%synergy
Khalni Heart Expedition
38%inclusion5 decks13 decks
35%synergy
Primal Empathy
31%inclusion4 decks13 decks
28%synergy
Bounty of the Luxa
31%inclusion4 decks13 decks
30%synergy
Aqueous Form
15%inclusion2 decks13 decks
11%synergy
Ichthyomorphosis
15%inclusion2 decks13 decks
15%synergy
Kasmina's Transmutation
15%inclusion2 decks13 decks
14%synergy
Retreat to Coralhelm
15%inclusion2 decks13 decks
6%synergy
Elemental Bond
15%inclusion2 decks13 decks
10%synergy
Propaganda
15%inclusion2 decks13 decks
9%synergy
Monstrous Vortex
13%inclusion1 decks8 decks
10%synergy
Shadow of the Second Sun
11%inclusion1 decks9 decks
10%synergy
Waterknot
7.7%inclusion1 decks13 decks
8%synergy
Utopia Sprawl
7.7%inclusion1 decks13 decks
1%synergy
Up the Beanstalk
7.7%inclusion1 decks13 decks
3%synergy
Beastmaster Ascension
7.7%inclusion1 decks13 decks
5%synergy
Reconnaissance Mission
7.7%inclusion1 decks13 decks
6%synergy
Ashiok's Erasure
7.7%inclusion1 decks13 decks
8%synergy
Encrust
7.7%inclusion1 decks13 decks
8%synergy
Lost in the Maze
7.7%inclusion1 decks13 decks
7%synergy
Extravagant Replication
7.7%inclusion1 decks13 decks
5%synergy
Season of Growth
7.7%inclusion1 decks13 decks
4%synergy
Retreat to Kazandu
7.7%inclusion1 decks13 decks
3%synergy
Quest for Ula's Temple
7.7%inclusion1 decks13 decks
5%synergy
Sleep with the Fishes
7.7%inclusion1 decks13 decks
8%synergy
Eel Umbra
7.7%inclusion1 decks13 decks
6%synergy
Sigil of Sleep
7.7%inclusion1 decks13 decks
7%synergy
Infinite Reflection
7.7%inclusion1 decks13 decks
8%synergy
Deep Freeze
7.7%inclusion1 decks13 decks
8%synergy
Octopus Umbra
7.7%inclusion1 decks13 decks
7%synergy
Snake Umbra
7.7%inclusion1 decks13 decks
6%synergy
Omniscience
7.7%inclusion1 decks13 decks
3%synergy
Fishliver Oil
7.7%inclusion1 decks13 decks
7%synergy
Stasis Field
7.7%inclusion1 decks13 decks
7%synergy
Coastal Piracy
7.7%inclusion1 decks13 decks
7%synergy
Shark Typhoon
7.7%inclusion1 decks13 decks
7%synergy
Time of Ice
7.7%inclusion1 decks13 decks
8%synergy
Threads of Disloyalty
7.7%inclusion1 decks13 decks
8%synergy
Mana Reflection
7.7%inclusion1 decks13 decks
3%synergy
Eaten by Piranhas
7.7%inclusion1 decks13 decks
6%synergy
Reflections of Littjara
7.7%inclusion1 decks13 decks
0%synergy
Primal Vigor
7.7%inclusion1 decks13 decks
5%synergy
Security Bypass
7.7%inclusion1 decks13 decks
7%synergy
Storm of Saruman
7.7%inclusion1 decks13 decks
7%synergy
Mind's Dilation
7.7%inclusion1 decks13 decks
7%synergy
Confiscate
7.7%inclusion1 decks13 decks
7%synergy
Paradox Haze
7.7%inclusion1 decks13 decks
7%synergy
Invisibility
7.7%inclusion1 decks13 decks
8%synergy
Confounding Conundrum
7.7%inclusion1 decks13 decks
8%synergy
Battles
Invasion of Segovia
15%inclusion2 decks13 decks
15%synergy
Invasion of Shandalar
7.7%inclusion1 decks13 decks
7%synergy
Planeswalkers
Kiora, Behemoth Beckoner
23%inclusion3 decks13 decks
17%synergy
Kiora, the Crashing Wave
15%inclusion2 decks13 decks
13%synergy
Oko, the Ringleader
9.1%inclusion1 decks11 decks
8%synergy
Kiora, Master of the Depths
7.7%inclusion1 decks13 decks
5%synergy
Utility Lands
Coral Atoll
31%inclusion4 decks13 decks
28%synergy
Reliquary Tower
23%inclusion3 decks13 decks
-27%synergy
Rogue's Passage
15%inclusion2 decks13 decks
-6%synergy
Echoing Deeps
7.7%inclusion1 decks13 decks
6%synergy
Seat of the Synod
7.7%inclusion1 decks13 decks
5%synergy
Halimar Depths
7.7%inclusion1 decks13 decks
5%synergy
War Room
7.7%inclusion1 decks13 decks
6%synergy
Skyline Cascade
7.7%inclusion1 decks13 decks
7%synergy
Command Beacon
7.7%inclusion1 decks13 decks
4%synergy
Memorial to Genius
7.7%inclusion1 decks13 decks
7%synergy
Sapseep Forest
7.7%inclusion1 decks13 decks
8%synergy
Dark Depths
7.7%inclusion1 decks13 decks
1%synergy
Temple of the False God
7.7%inclusion1 decks13 decks
-8%synergy
Jungle Basin
7.7%inclusion1 decks13 decks
5%synergy
Mana Artifacts
Sol Ring
77%inclusion10 decks13 decks
-4%synergy
Arcane Signet
69%inclusion9 decks13 decks
6%synergy
Simic Signet
54%inclusion7 decks13 decks
22%synergy
Commander's Sphere
46%inclusion6 decks13 decks
38%synergy
Talisman of Curiosity
23%inclusion3 decks13 decks
1%synergy
Thought Vessel
23%inclusion3 decks13 decks
3%synergy
Everflowing Chalice
7.7%inclusion1 decks13 decks
3%synergy
Simic Cluestone
7.7%inclusion1 decks13 decks
7%synergy
Decanter of Endless Water
7.7%inclusion1 decks13 decks
3%synergy
Simic Locket
7.7%inclusion1 decks13 decks
7%synergy
Skyclave Relic
7.7%inclusion1 decks13 decks
6%synergy
Lands
Island
100%inclusion13 decks13 decks
5%synergy
Forest
100%inclusion13 decks13 decks
5%synergy
Command Tower
77%inclusion10 decks13 decks
-8%synergy
Thornwood Falls
77%inclusion10 decks13 decks
59%synergy
Simic Growth Chamber
54%inclusion7 decks13 decks
6%synergy
Woodland Stream
54%inclusion7 decks13 decks
49%synergy
Tangled Islet
46%inclusion6 decks13 decks
30%synergy
Exotic Orchard
38%inclusion5 decks13 decks
15%synergy
Temple of Mystery
38%inclusion5 decks13 decks
0%synergy
Evolving Wilds
38%inclusion5 decks13 decks
13%synergy
Simic Guildgate
31%inclusion4 decks13 decks
21%synergy
Terramorphic Expanse
23%inclusion3 decks13 decks
3%synergy
Myriad Landscape
23%inclusion3 decks13 decks
1%synergy
Path of Ancestry
23%inclusion3 decks13 decks
6%synergy
Lush Oasis
20%inclusion2 decks10 decks
14%synergy
Overflowing Basin
17%inclusion2 decks12 decks
-3%synergy
Quandrix Campus
15%inclusion2 decks13 decks
9%synergy
Yavimaya Coast
15%inclusion2 decks13 decks
-37%synergy
Rimewood Falls
15%inclusion2 decks13 decks
6%synergy
Flooded Grove
15%inclusion2 decks13 decks
-26%synergy
Blighted Woodland
7.7%inclusion1 decks13 decks
0%synergy
Breeding Pool
7.7%inclusion1 decks13 decks
-39%synergy
Vivid Creek
7.7%inclusion1 decks13 decks
6%synergy
Vineglimmer Snarl
7.7%inclusion1 decks13 decks
-31%synergy
Littjara Mirrorlake
7.7%inclusion1 decks13 decks
4%synergy
Snow-Covered Forest
7.7%inclusion1 decks13 decks
1%synergy
Thriving Grove
7.7%inclusion1 decks13 decks
6%synergy
Opal Palace
7.7%inclusion1 decks13 decks
6%synergy
Sea Gate
7.7%inclusion1 decks13 decks
6%synergy
Vivid Grove
7.7%inclusion1 decks13 decks
6%synergy
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