The Monstrous Serpent (Commander) - Budget Core

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #306
59decks
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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Whelming Wave
56%inclusion33 decks59 decks
45%synergy
Explore
61%inclusion36 decks59 decks
41%synergy
Garruk's Packleader
42%inclusion25 decks59 decks
40%synergy
Urban Evolution
47%inclusion28 decks59 decks
38%synergy
Slinn Voda, the Rising Deep
39%inclusion23 decks59 decks
33%synergy
Junk Winder
39%inclusion23 decks59 decks
32%synergy
Negate
58%inclusion34 decks59 decks
32%synergy
Eureka Moment
41%inclusion24 decks59 decks
30%synergy
Coiling Oracle
42%inclusion25 decks59 decks
29%synergy
Koma, World-Eater
41%inclusion16 decks39 decks
28%synergy
Top Cards
Growth Spiral
61%inclusion36 decks59 decks
16%synergy
Rampant Growth
61%inclusion36 decks59 decks
20%synergy
Tatyova, Benthic Druid
58%inclusion34 decks59 decks
27%synergy
Cultivate
51%inclusion30 decks59 decks
4%synergy
Llanowar Elves
44%inclusion26 decks59 decks
16%synergy
Arixmethes, Slumbering Isle
41%inclusion24 decks59 decks
27%synergy
Elvish Mystic
37%inclusion22 decks59 decks
13%synergy
Counterspell
36%inclusion21 decks59 decks
-14%synergy
Kodama's Reach
34%inclusion20 decks59 decks
-2%synergy
Planar Genesis
33%inclusion16 decks49 decks
22%synergy
Creatures
Scourge of Fleets
32%inclusion19 decks59 decks
24%synergy
Murkfiend Liege
32%inclusion19 decks59 decks
18%synergy
Reclamation Sage
31%inclusion18 decks59 decks
16%synergy
Troyan, Gutsy Explorer
29%inclusion17 decks59 decks
26%synergy
Sakura-Tribe Elder
29%inclusion17 decks59 decks
9%synergy
Stormtide Leviathan
27%inclusion16 decks59 decks
21%synergy
Rampaging Baloths
27%inclusion16 decks59 decks
10%synergy
Tromokratis
27%inclusion16 decks59 decks
22%synergy
Adrix and Nev, Twincasters
25%inclusion15 decks59 decks
17%synergy
Trygon Predator
25%inclusion15 decks59 decks
19%synergy
Nadir Kraken
25%inclusion15 decks59 decks
21%synergy
Esix, Fractal Bloom
24%inclusion14 decks59 decks
20%synergy
Octomancer
19%inclusion9 decks48 decks
14%synergy
Reef Worm
19%inclusion11 decks59 decks
15%synergy
Xolatoyac, the Smiling Flood
17%inclusion10 decks59 decks
10%synergy
Hydroid Krasis
17%inclusion10 decks59 decks
9%synergy
Simic Sky Swallower
17%inclusion10 decks59 decks
13%synergy
Zimone, Quandrix Prodigy
17%inclusion10 decks59 decks
14%synergy
Poison Dart Frog
15%inclusion9 decks59 decks
9%synergy
Inga and Esika
14%inclusion8 decks59 decks
11%synergy
Kiora's Follower
14%inclusion8 decks59 decks
-1%synergy
Archetype of Imagination
14%inclusion8 decks59 decks
9%synergy
Hullbreaker Horror
14%inclusion8 decks59 decks
-4%synergy
Fyndhorn Elves
14%inclusion8 decks59 decks
-2%synergy
Brinelin, the Moon Kraken
12%inclusion7 decks59 decks
8%synergy
Mulldrifter
12%inclusion7 decks59 decks
6%synergy
Gyre Engineer
12%inclusion7 decks59 decks
9%synergy
Farhaven Elf
12%inclusion7 decks59 decks
8%synergy
Moritte of the Frost
12%inclusion7 decks59 decks
11%synergy
Prime Speaker Zegana
10%inclusion6 decks59 decks
0%synergy
Acidic Slime
10%inclusion6 decks59 decks
4%synergy
End-Raze Forerunners
10%inclusion6 decks59 decks
5%synergy
Eternal Witness
10%inclusion6 decks59 decks
-11%synergy
Monstrosity of the Lake
10%inclusion6 decks59 decks
8%synergy
Gretchen Titchwillow
10%inclusion6 decks59 decks
8%synergy
Lorthos, the Tidemaker
10%inclusion6 decks59 decks
7%synergy
Inkwell Leviathan
10%inclusion6 decks59 decks
6%synergy
Verazol, the Split Current
10%inclusion6 decks59 decks
10%synergy
Shipbreaker Kraken
10%inclusion6 decks59 decks
7%synergy
Llanowar Visionary
10%inclusion6 decks59 decks
9%synergy
Biolume Egg
10%inclusion6 decks59 decks
10%synergy
Kiora, Sovereign of the Deep
10%inclusion6 decks59 decks
8%synergy
Starwinder
9.1%inclusion1 decks11 decks
2%synergy
Glacier Godmaw
9.1%inclusion1 decks11 decks
5%synergy
Maraleaf Pixie
8.5%inclusion5 decks59 decks
3%synergy
Cryptic Serpent
8.5%inclusion5 decks59 decks
8%synergy
Terastodon
8.5%inclusion5 decks59 decks
1%synergy
Steel Hellkite
8.5%inclusion5 decks59 decks
7%synergy
Elvish Rejuvenator
8.5%inclusion5 decks59 decks
6%synergy
Yavimaya Elder
8.5%inclusion5 decks59 decks
6%synergy
Instants
Return to Nature
31%inclusion18 decks59 decks
25%synergy
Snakeskin Veil
27%inclusion16 decks59 decks
21%synergy
Return of the Wildspeaker
25%inclusion15 decks59 decks
15%synergy
Decisive Denial
24%inclusion14 decks59 decks
19%synergy
Harrow
22%inclusion13 decks59 decks
10%synergy
Aetherize
22%inclusion13 decks59 decks
10%synergy
Simic Charm
22%inclusion13 decks59 decks
14%synergy
Perplexing Test
20%inclusion12 decks59 decks
16%synergy
Reality Shift
19%inclusion11 decks59 decks
4%synergy
Beast Within
19%inclusion11 decks59 decks
-31%synergy
Joint Exploration
19%inclusion11 decks59 decks
13%synergy
Plasm Capture
17%inclusion10 decks59 decks
14%synergy
Fact or Fiction
17%inclusion10 decks59 decks
14%synergy
Double Major
17%inclusion10 decks59 decks
9%synergy
Disdainful Stroke
15%inclusion9 decks59 decks
14%synergy
Cancel
15%inclusion9 decks59 decks
13%synergy
Opt
14%inclusion8 decks59 decks
6%synergy
Voidslime
12%inclusion7 decks59 decks
7%synergy
Mystic Confluence
12%inclusion7 decks59 decks
9%synergy
Brainstorm
10%inclusion6 decks59 decks
-4%synergy
Resculpt
10%inclusion6 decks59 decks
4%synergy
Rewind
10%inclusion6 decks59 decks
7%synergy
Essence Scatter
10%inclusion6 decks59 decks
9%synergy
You See a Guard Approach
10%inclusion6 decks59 decks
10%synergy
Impulse
10%inclusion6 decks59 decks
10%synergy
Incubation // Incongruity
8.5%inclusion5 decks59 decks
6%synergy
Repulsive Mutation
8.5%inclusion5 decks59 decks
3%synergy
Ranger's Guile
8.5%inclusion5 decks59 decks
8%synergy
Filter Out
8.5%inclusion5 decks59 decks
6%synergy
Naturalize
8.5%inclusion5 decks59 decks
7%synergy
Into the Roil
8.5%inclusion5 decks59 decks
7%synergy
Mana Leak
8.5%inclusion5 decks59 decks
6%synergy
Unwind
8.5%inclusion5 decks59 decks
6%synergy
Thassa's Intervention
8.5%inclusion5 decks59 decks
8%synergy
Pull from Tomorrow
8.5%inclusion5 decks59 decks
6%synergy
Tamiyo's Safekeeping
8.5%inclusion5 decks59 decks
3%synergy
Dissolve
6.8%inclusion4 decks59 decks
5%synergy
Essence Capture
6.8%inclusion4 decks59 decks
6%synergy
Krosan Grip
6.8%inclusion4 decks59 decks
-1%synergy
Broken Wings
6.8%inclusion4 decks59 decks
6%synergy
Saw It Coming
6.8%inclusion4 decks59 decks
5%synergy
Roiling Regrowth
6.8%inclusion4 decks59 decks
3%synergy
Unsummon
6.8%inclusion4 decks59 decks
6%synergy
Unsubstantiate
6.8%inclusion4 decks59 decks
6%synergy
Druid's Deliverance
6.8%inclusion4 decks59 decks
5%synergy
Ice Out
6.8%inclusion4 decks59 decks
6%synergy
Magic Damper
6.3%inclusion1 decks16 decks
5%synergy
Auroral Procession
5.3%inclusion1 decks19 decks
2%synergy
Refute
5.1%inclusion2 decks39 decks
3%synergy
Reject
5.1%inclusion3 decks59 decks
5%synergy
Sorceries
Curse of the Swine
25%inclusion15 decks59 decks
15%synergy
Search for Tomorrow
25%inclusion15 decks59 decks
21%synergy
Harmonize
24%inclusion14 decks59 decks
18%synergy
Explosive Vegetation
24%inclusion14 decks59 decks
18%synergy
Farseek
20%inclusion12 decks59 decks
-5%synergy
Migration Path
19%inclusion11 decks59 decks
15%synergy
Shamanic Revelation
17%inclusion10 decks59 decks
12%synergy
Vastwood Surge
14%inclusion8 decks59 decks
12%synergy
Overrun
12%inclusion7 decks59 decks
10%synergy
Broken Bond
12%inclusion7 decks59 decks
7%synergy
Nissa's Pilgrimage
12%inclusion7 decks59 decks
10%synergy
Ravenform
12%inclusion7 decks59 decks
8%synergy
Distant Melody
10%inclusion6 decks59 decks
7%synergy
Doppelgang
10%inclusion6 decks59 decks
4%synergy
Treasure Cruise
10%inclusion6 decks59 decks
7%synergy
Regrowth
10%inclusion6 decks59 decks
6%synergy
Unexpected Results
8.5%inclusion5 decks59 decks
8%synergy
Divination
8.5%inclusion5 decks59 decks
8%synergy
Nature's Lore
8.5%inclusion5 decks59 decks
-22%synergy
Primal Might
8.5%inclusion5 decks59 decks
8%synergy
Spitting Image
8.5%inclusion5 decks59 decks
6%synergy
Aether Gale
8.5%inclusion5 decks59 decks
6%synergy
Aggressive Biomancy
8.2%inclusion4 decks49 decks
3%synergy
Map the Frontier
7.4%inclusion4 decks54 decks
6%synergy
Croaking Counterpart
6.8%inclusion4 decks59 decks
2%synergy
Circuitous Route
6.8%inclusion4 decks59 decks
5%synergy
Grow from the Ashes
6.8%inclusion4 decks59 decks
5%synergy
Preordain
6.8%inclusion4 decks59 decks
-1%synergy
Overwhelming Stampede
6.8%inclusion4 decks59 decks
-5%synergy
Compulsive Research
6.8%inclusion4 decks59 decks
6%synergy
Bridgeworks Battle
6.1%inclusion3 decks49 decks
1%synergy
Green Sun's Twilight
5.1%inclusion3 decks59 decks
4%synergy
Three Visits
5.1%inclusion3 decks59 decks
-18%synergy
Ranger's Path
5.1%inclusion3 decks59 decks
4%synergy
Skyshroud Claim
5.1%inclusion3 decks59 decks
-4%synergy
Deep Analysis
5.1%inclusion3 decks59 decks
4%synergy
Oversimplify
5.1%inclusion3 decks59 decks
1%synergy
Finale of Revelation
5.1%inclusion3 decks59 decks
0%synergy
Irenicus's Vile Duplication
5.1%inclusion3 decks59 decks
-1%synergy
Bushwhack
5.1%inclusion3 decks59 decks
3%synergy
Ezuri's Predation
5.1%inclusion3 decks59 decks
-3%synergy
Utility Artifacts
Combine Chrysalis
31%inclusion18 decks59 decks
26%synergy
Idol of Oblivion
20%inclusion12 decks59 decks
17%synergy
Swiftfoot Boots
20%inclusion12 decks59 decks
-5%synergy
Wayfarer's Bauble
19%inclusion11 decks59 decks
17%synergy
Kefnet's Monument
12%inclusion7 decks59 decks
11%synergy
Bident of Thassa
12%inclusion7 decks59 decks
5%synergy
Symmetry Matrix
6.8%inclusion4 decks59 decks
7%synergy
Mirror Box
5.1%inclusion3 decks59 decks
2%synergy
Traveler's Amulet
5.1%inclusion3 decks59 decks
5%synergy
Helm of the Host
5.1%inclusion3 decks59 decks
0%synergy
Blackblade Reforged
5.1%inclusion3 decks59 decks
2%synergy
Enchantments
Garruk's Uprising
25%inclusion15 decks59 decks
9%synergy
Khalni Heart Expedition
24%inclusion14 decks59 decks
20%synergy
Wild Growth
24%inclusion14 decks59 decks
15%synergy
Elemental Bond
17%inclusion10 decks59 decks
11%synergy
Primal Empathy
15%inclusion9 decks59 decks
13%synergy
Sandwurm Convergence
14%inclusion8 decks59 decks
11%synergy
Wilderness Reclamation
14%inclusion8 decks59 decks
5%synergy
Bounty of the Luxa
14%inclusion8 decks59 decks
12%synergy
Utopia Sprawl
12%inclusion7 decks59 decks
5%synergy
Ominous Seas
12%inclusion7 decks59 decks
8%synergy
Fertile Ground
12%inclusion7 decks59 decks
10%synergy
Verity Circle
10%inclusion6 decks59 decks
10%synergy
Reconnaissance Mission
10%inclusion6 decks59 decks
8%synergy
Kenrith's Transformation
10%inclusion6 decks59 decks
6%synergy
Imprisoned in the Moon
8.5%inclusion5 decks59 decks
4%synergy
Overgrowth
8.5%inclusion5 decks59 decks
8%synergy
Future Sight
6.8%inclusion4 decks59 decks
6%synergy
Eaten by Piranhas
6.8%inclusion4 decks59 decks
5%synergy
Glacierwood Siege
5.3%inclusion1 decks19 decks
3%synergy
Spelunking
5.1%inclusion3 decks59 decks
-1%synergy
Aqueous Form
5.1%inclusion3 decks59 decks
1%synergy
Lignify
5.1%inclusion3 decks59 decks
3%synergy
Unnatural Growth
5.1%inclusion3 decks59 decks
2%synergy
Wolfwillow Haven
5.1%inclusion3 decks59 decks
5%synergy
Font of Fertility
5.1%inclusion3 decks59 decks
5%synergy
Glorious Sunrise
5.1%inclusion3 decks59 decks
4%synergy
New Horizons
5.1%inclusion3 decks59 decks
5%synergy
Master Chef
5.1%inclusion3 decks59 decks
4%synergy
Druid Class
5.1%inclusion3 decks59 decks
0%synergy
Snake Umbra
5.1%inclusion3 decks59 decks
3%synergy
Stasis Field
5.1%inclusion3 decks59 decks
5%synergy
Battles
Invasion of Zendikar
12%inclusion7 decks59 decks
10%synergy
Invasion of Segovia
6.8%inclusion4 decks59 decks
6%synergy
Planeswalkers
Kiora, Behemoth Beckoner
10%inclusion6 decks59 decks
4%synergy
Vivien, Champion of the Wilds
5.1%inclusion3 decks59 decks
4%synergy
Kiora, the Crashing Wave
5.1%inclusion3 decks59 decks
2%synergy
Utility Lands
Reliquary Tower
20%inclusion12 decks59 decks
-29%synergy
Temple of the False God
19%inclusion11 decks59 decks
3%synergy
Mosswort Bridge
17%inclusion10 decks59 decks
0%synergy
Rogue's Passage
15%inclusion9 decks59 decks
-7%synergy
Tranquil Thicket
10%inclusion6 decks59 decks
6%synergy
Lonely Sandbar
6.8%inclusion4 decks59 decks
3%synergy
Hidden Cataract
6.8%inclusion4 decks59 decks
4%synergy
Lumbering Falls
6.8%inclusion4 decks59 decks
0%synergy
Mystic Sanctuary
5.1%inclusion3 decks59 decks
-7%synergy
Hidden Nursery
5.1%inclusion3 decks59 decks
2%synergy
Restless Vinestalk
5.1%inclusion3 decks59 decks
0%synergy
Alchemist's Refuge
5.1%inclusion3 decks59 decks
-12%synergy
Jungle Basin
5.1%inclusion3 decks59 decks
3%synergy
Memorial to Genius
5.1%inclusion3 decks59 decks
4%synergy
Mana Artifacts
Sol Ring
61%inclusion36 decks59 decks
-20%synergy
Arcane Signet
47%inclusion28 decks59 decks
-15%synergy
Simic Signet
42%inclusion25 decks59 decks
11%synergy
Talisman of Curiosity
29%inclusion17 decks59 decks
7%synergy
Commander's Sphere
24%inclusion14 decks59 decks
16%synergy
Midnight Clock
17%inclusion10 decks59 decks
15%synergy
Thought Vessel
15%inclusion9 decks59 decks
-5%synergy
Moss Diamond
14%inclusion8 decks59 decks
12%synergy
Sky Diamond
12%inclusion7 decks59 decks
11%synergy
Simic Locket
8.5%inclusion5 decks59 decks
7%synergy
Fellwar Stone
8.5%inclusion5 decks59 decks
-1%synergy
Mind Stone
8.5%inclusion5 decks59 decks
4%synergy
Simic Cluestone
6.8%inclusion4 decks59 decks
6%synergy
Thran Dynamo
6.8%inclusion4 decks59 decks
4%synergy
Replicating Ring
5.1%inclusion3 decks59 decks
3%synergy
Decanter of Endless Water
5.1%inclusion3 decks59 decks
0%synergy
Lands
Island
100%inclusion59 decks59 decks
5%synergy
Forest
100%inclusion59 decks59 decks
5%synergy
Command Tower
64%inclusion38 decks59 decks
-21%synergy
Simic Growth Chamber
56%inclusion33 decks59 decks
8%synergy
Temple of Mystery
47%inclusion28 decks59 decks
9%synergy
Thornwood Falls
46%inclusion27 decks59 decks
28%synergy
Evolving Wilds
44%inclusion26 decks59 decks
19%synergy
Vineglimmer Snarl
37%inclusion22 decks59 decks
-1%synergy
Simic Guildgate
36%inclusion21 decks59 decks
25%synergy
Hinterland Harbor
34%inclusion20 decks59 decks
-26%synergy
Yavimaya Coast
31%inclusion18 decks59 decks
-22%synergy
Terramorphic Expanse
27%inclusion16 decks59 decks
7%synergy
Myriad Landscape
27%inclusion16 decks59 decks
5%synergy
Tangled Islet
25%inclusion15 decks59 decks
9%synergy
Flooded Grove
22%inclusion13 decks59 decks
-19%synergy
Exotic Orchard
20%inclusion12 decks59 decks
-4%synergy
Overflowing Basin
16%inclusion9 decks57 decks
-4%synergy
Rimewood Falls
15%inclusion9 decks59 decks
6%synergy
Blighted Woodland
14%inclusion8 decks59 decks
6%synergy
Quandrix Campus
14%inclusion8 decks59 decks
7%synergy
Path of Ancestry
14%inclusion8 decks59 decks
-3%synergy
Lush Oasis
11%inclusion6 decks54 decks
5%synergy
Waterlogged Grove
10%inclusion6 decks59 decks
-10%synergy
Woodland Stream
10%inclusion6 decks59 decks
5%synergy
Tanglepool Bridge
6.8%inclusion4 decks59 decks
2%synergy
Dreamroot Cascade
6.8%inclusion4 decks59 decks
-35%synergy
Bridgeworks Battle
6.1%inclusion3 decks49 decks
1%synergy
Tangled Florahedron
5.1%inclusion3 decks59 decks
4%synergy
Opal Palace
5.1%inclusion3 decks59 decks
3%synergy
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