The Monstrous Serpent (Commander) - Budget Upgraded

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #296
34decks
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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The Legend of Kyoshi
14%inclusion1 decks7 decks
13%synergy
Secret of Bloodbending
13%inclusion1 decks8 decks
12%synergy
Seismic Sense
13%inclusion1 decks8 decks
12%synergy
Ember Island Production
13%inclusion1 decks8 decks
12%synergy
Bender's Waterskin
7.7%inclusion1 decks13 decks
7%synergy
High Synergy Cards
Whelming Wave
76%inclusion26 decks34 decks
65%synergy
Koma, World-Eater
55%inclusion18 decks33 decks
41%synergy
Junk Winder
47%inclusion16 decks34 decks
40%synergy
Arixmethes, Slumbering Isle
53%inclusion18 decks34 decks
39%synergy
Adrix and Nev, Twincasters
47%inclusion16 decks34 decks
39%synergy
Scourge of Fleets
44%inclusion15 decks34 decks
36%synergy
Elemental Bond
41%inclusion14 decks34 decks
36%synergy
Slinn Voda, the Rising Deep
41%inclusion14 decks34 decks
35%synergy
Esix, Fractal Bloom
32%inclusion11 decks34 decks
28%synergy
Garruk's Packleader
29%inclusion10 decks34 decks
27%synergy
Top Cards
Rampant Growth
68%inclusion23 decks34 decks
27%synergy
Counterspell
62%inclusion21 decks34 decks
12%synergy
Tatyova, Benthic Druid
56%inclusion19 decks34 decks
25%synergy
Growth Spiral
53%inclusion18 decks34 decks
8%synergy
Kodama's Reach
50%inclusion17 decks34 decks
14%synergy
Llanowar Elves
50%inclusion17 decks34 decks
22%synergy
Cultivate
50%inclusion17 decks34 decks
3%synergy
Beast Within
44%inclusion15 decks34 decks
-6%synergy
Sakura-Tribe Elder
44%inclusion15 decks34 decks
25%synergy
Reality Shift
41%inclusion14 decks34 decks
27%synergy
Game Changers
Seedborn Muse
12%inclusion4 decks34 decks
-4%synergy
Thassa's Oracle
5.9%inclusion2 decks34 decks
0%synergy
Creatures
Murkfiend Liege
38%inclusion13 decks34 decks
23%synergy
Aesi, Tyrant of Gyre Strait
38%inclusion13 decks34 decks
21%synergy
Rampaging Baloths
35%inclusion12 decks34 decks
18%synergy
Coiling Oracle
32%inclusion11 decks34 decks
19%synergy
Stormtide Leviathan
29%inclusion10 decks34 decks
23%synergy
Elvish Mystic
29%inclusion10 decks34 decks
5%synergy
Nadir Kraken
29%inclusion10 decks34 decks
25%synergy
Reclamation Sage
26%inclusion9 decks34 decks
12%synergy
Simic Sky Swallower
26%inclusion9 decks34 decks
22%synergy
Summon: Leviathan
26%inclusion6 decks23 decks
19%synergy
Eternal Witness
24%inclusion8 decks34 decks
2%synergy
Archetype of Imagination
24%inclusion8 decks34 decks
19%synergy
Hullbreaker Horror
24%inclusion8 decks34 decks
6%synergy
Fyndhorn Elves
24%inclusion8 decks34 decks
8%synergy
Starwinder
24%inclusion4 decks17 decks
17%synergy
Inkwell Leviathan
24%inclusion8 decks34 decks
19%synergy
Inga and Esika
21%inclusion7 decks34 decks
18%synergy
Avenger of Zendikar
21%inclusion7 decks34 decks
3%synergy
Rashmi, Eternities Crafter
18%inclusion6 decks34 decks
15%synergy
Octomancer
18%inclusion6 decks34 decks
13%synergy
Xolatoyac, the Smiling Flood
18%inclusion6 decks34 decks
10%synergy
Fierce Empath
18%inclusion6 decks34 decks
15%synergy
Tromokratis
18%inclusion6 decks34 decks
12%synergy
Ohran Frostfang
18%inclusion6 decks34 decks
14%synergy
Spawning Kraken
18%inclusion6 decks34 decks
10%synergy
Troyan, Gutsy Explorer
15%inclusion5 decks34 decks
12%synergy
Mystic Snake
15%inclusion5 decks34 decks
11%synergy
Saryth, the Viper's Fang
15%inclusion5 decks34 decks
13%synergy
Spark Double
15%inclusion5 decks34 decks
5%synergy
Serpent of Yawning Depths
15%inclusion5 decks34 decks
8%synergy
Topiary Stomper
15%inclusion5 decks34 decks
12%synergy
Chasm Skulker
15%inclusion5 decks34 decks
8%synergy
Stormsurge Kraken
15%inclusion5 decks34 decks
10%synergy
Sin, Unending Cataclysm
13%inclusion3 decks23 decks
10%synergy
Kiora, the Rising Tide
12%inclusion4 decks33 decks
9%synergy
Brinelin, the Moon Kraken
12%inclusion4 decks34 decks
7%synergy
Kiora's Follower
12%inclusion4 decks34 decks
-3%synergy
Elder Deep-Fiend
12%inclusion4 decks34 decks
10%synergy
Forgotten Ancient
12%inclusion4 decks34 decks
4%synergy
End-Raze Forerunners
12%inclusion4 decks34 decks
7%synergy
Frilled Mystic
12%inclusion4 decks34 decks
9%synergy
Yavimaya Elder
12%inclusion4 decks34 decks
9%synergy
Colossal Skyturtle
12%inclusion4 decks34 decks
6%synergy
Scute Swarm
12%inclusion4 decks34 decks
-9%synergy
Farhaven Elf
12%inclusion4 decks34 decks
7%synergy
Champion of Lambholt
12%inclusion4 decks34 decks
7%synergy
Trygon Predator
12%inclusion4 decks34 decks
5%synergy
Beast Whisperer
12%inclusion4 decks34 decks
3%synergy
Shipbreaker Kraken
12%inclusion4 decks34 decks
9%synergy
Fanatic of Rhonas
12%inclusion4 decks34 decks
6%synergy
Instants
Negate
38%inclusion13 decks34 decks
12%synergy
Return of the Wildspeaker
29%inclusion10 decks34 decks
19%synergy
Harrow
29%inclusion10 decks34 decks
17%synergy
Aetherize
29%inclusion10 decks34 decks
18%synergy
An Offer You Can't Refuse
26%inclusion9 decks34 decks
3%synergy
Planar Genesis
26%inclusion9 decks34 decks
16%synergy
Eureka Moment
21%inclusion7 decks34 decks
10%synergy
Decisive Denial
21%inclusion7 decks34 decks
15%synergy
Brainstorm
18%inclusion6 decks34 decks
3%synergy
Arcane Denial
18%inclusion6 decks34 decks
-5%synergy
Perplexing Test
18%inclusion6 decks34 decks
13%synergy
Double Major
18%inclusion6 decks34 decks
9%synergy
Plasm Capture
15%inclusion5 decks34 decks
11%synergy
Return to Nature
15%inclusion5 decks34 decks
9%synergy
Voidslime
15%inclusion5 decks34 decks
10%synergy
Simic Charm
15%inclusion5 decks34 decks
7%synergy
High Tide
15%inclusion5 decks34 decks
13%synergy
Prishe's Wanderings
14%inclusion3 decks22 decks
13%synergy
Refute
12%inclusion4 decks33 decks
10%synergy
Rapid Hybridization
12%inclusion4 decks34 decks
-14%synergy
Pongify
12%inclusion4 decks34 decks
-13%synergy
Snakeskin Veil
12%inclusion4 decks34 decks
6%synergy
Fog
12%inclusion4 decks34 decks
8%synergy
Biomass Mutation
12%inclusion4 decks34 decks
9%synergy
Sublime Epiphany
12%inclusion4 decks34 decks
10%synergy
Nature's Claim
12%inclusion4 decks34 decks
2%synergy
Rewind
12%inclusion4 decks34 decks
9%synergy
Spell Pierce
12%inclusion4 decks34 decks
8%synergy
Second Harvest
12%inclusion4 decks34 decks
5%synergy
Roiling Regrowth
12%inclusion4 decks34 decks
8%synergy
Auroral Procession
11%inclusion3 decks27 decks
7%synergy
Disdainful Stroke
8.8%inclusion3 decks34 decks
7%synergy
Frantic Search
8.8%inclusion3 decks34 decks
3%synergy
Heroic Intervention
8.8%inclusion3 decks34 decks
-21%synergy
Krosan Grip
8.8%inclusion3 decks34 decks
1%synergy
Essence Scatter
8.8%inclusion3 decks34 decks
7%synergy
Mystical Dispute
8.8%inclusion3 decks34 decks
9%synergy
Barrier Breach
8.8%inclusion3 decks34 decks
9%synergy
Opt
8.8%inclusion3 decks34 decks
1%synergy
Cancel
8.8%inclusion3 decks34 decks
7%synergy
Resculpt
8.8%inclusion3 decks34 decks
3%synergy
Slip Out the Back
8.8%inclusion3 decks34 decks
5%synergy
Joint Exploration
8.8%inclusion3 decks34 decks
3%synergy
Mystic Reflection
8.8%inclusion3 decks34 decks
6%synergy
Collective Resistance
8.8%inclusion3 decks34 decks
5%synergy
Mystic Confluence
8.8%inclusion3 decks34 decks
6%synergy
Unwind
8.8%inclusion3 decks34 decks
6%synergy
Memory Deluge
8.8%inclusion3 decks34 decks
8%synergy
Entish Restoration
8.8%inclusion3 decks34 decks
-1%synergy
Cryptic Command
8.8%inclusion3 decks34 decks
7%synergy
Sorceries
Farseek
35%inclusion12 decks34 decks
11%synergy
Explore
35%inclusion12 decks34 decks
15%synergy
Urban Evolution
35%inclusion12 decks34 decks
26%synergy
Nature's Lore
21%inclusion7 decks34 decks
-10%synergy
Skyshroud Claim
18%inclusion6 decks34 decks
9%synergy
Harmonize
18%inclusion6 decks34 decks
12%synergy
Grow from the Ashes
18%inclusion6 decks34 decks
16%synergy
Overwhelming Stampede
18%inclusion6 decks34 decks
5%synergy
Curse of the Swine
15%inclusion5 decks34 decks
4%synergy
Search for Tomorrow
15%inclusion5 decks34 decks
10%synergy
Spitting Image
15%inclusion5 decks34 decks
12%synergy
Shamanic Revelation
15%inclusion5 decks34 decks
9%synergy
Migration Path
15%inclusion5 decks34 decks
11%synergy
Ponder
12%inclusion4 decks34 decks
5%synergy
Oversimplify
12%inclusion4 decks34 decks
8%synergy
Circuitous Route
12%inclusion4 decks34 decks
10%synergy
Irenicus's Vile Duplication
12%inclusion4 decks34 decks
6%synergy
Explosive Vegetation
12%inclusion4 decks34 decks
6%synergy
River's Rebuke
12%inclusion4 decks34 decks
9%synergy
Ezuri's Predation
12%inclusion4 decks34 decks
4%synergy
Regrowth
12%inclusion4 decks34 decks
8%synergy
Rite of Replication
12%inclusion4 decks34 decks
4%synergy
Flood of Tears
8.8%inclusion3 decks34 decks
6%synergy
Bushwhack
8.8%inclusion3 decks34 decks
7%synergy
Preordain
8.8%inclusion3 decks34 decks
1%synergy
Relm's Sketching
8.7%inclusion2 decks23 decks
7%synergy
Waterbending Lesson
7.7%inclusion1 decks13 decks
8%synergy
Nature's Rhythm
7.4%inclusion2 decks27 decks
2%synergy
Preposterous Proportions
6.1%inclusion2 decks33 decks
5%synergy
Three Visits
5.9%inclusion2 decks34 decks
-17%synergy
Ranger's Path
5.9%inclusion2 decks34 decks
5%synergy
Flare of Cultivation
5.9%inclusion2 decks34 decks
4%synergy
Wear Down
5.9%inclusion2 decks34 decks
4%synergy
Divination
5.9%inclusion2 decks34 decks
5%synergy
Triumph of the Hordes
5.9%inclusion2 decks34 decks
3%synergy
Consuming Tide
5.9%inclusion2 decks34 decks
4%synergy
Hour of Promise
5.9%inclusion2 decks34 decks
2%synergy
Peregrination
5.9%inclusion2 decks34 decks
6%synergy
Treasure Cruise
5.9%inclusion2 decks34 decks
2%synergy
Tooth and Nail
5.9%inclusion2 decks34 decks
4%synergy
Broken Bond
5.9%inclusion2 decks34 decks
1%synergy
Rishkar's Expertise
5.9%inclusion2 decks34 decks
-3%synergy
Bridgeworks Battle
5.9%inclusion2 decks34 decks
1%synergy
Aether Gale
5.9%inclusion2 decks34 decks
4%synergy
Untamed Wilds
5.9%inclusion2 decks34 decks
6%synergy
Wash Out
5.9%inclusion2 decks34 decks
5%synergy
Deep Analysis
5.9%inclusion2 decks34 decks
5%synergy
Pull Through the Weft
5.9%inclusion1 decks17 decks
5%synergy
Utility Artifacts
Swiftfoot Boots
26%inclusion9 decks34 decks
1%synergy
Combine Chrysalis
24%inclusion8 decks34 decks
19%synergy
Lightning Greaves
15%inclusion5 decks34 decks
-7%synergy
Idol of Oblivion
8.8%inclusion3 decks34 decks
5%synergy
Bident of Thassa
8.8%inclusion3 decks34 decks
2%synergy
Mirror Box
5.9%inclusion2 decks34 decks
2%synergy
Quicksilver Amulet
5.9%inclusion2 decks34 decks
5%synergy
Cosmos Elixir
5.9%inclusion2 decks34 decks
6%synergy
Enchantments
Garruk's Uprising
26%inclusion9 decks34 decks
10%synergy
Wilderness Reclamation
26%inclusion9 decks34 decks
18%synergy
Imprisoned in the Moon
21%inclusion7 decks34 decks
16%synergy
Kindred Discovery
18%inclusion6 decks34 decks
8%synergy
Primal Vigor
18%inclusion6 decks34 decks
14%synergy
Propaganda
18%inclusion6 decks34 decks
11%synergy
Wild Growth
15%inclusion5 decks34 decks
6%synergy
Growing Rites of Itlimoc
15%inclusion5 decks34 decks
9%synergy
Verity Circle
12%inclusion4 decks34 decks
11%synergy
Utopia Sprawl
8.8%inclusion3 decks34 decks
2%synergy
Doubling Season
8.8%inclusion3 decks34 decks
-1%synergy
Beastmaster Ascension
8.8%inclusion3 decks34 decks
6%synergy
Tribute to the World Tree
8.8%inclusion3 decks34 decks
2%synergy
Mystic Remora
8.8%inclusion3 decks34 decks
-7%synergy
Kenrith's Transformation
8.8%inclusion3 decks34 decks
4%synergy
Zendikar's Roil
8.8%inclusion3 decks34 decks
5%synergy
Khalni Heart Expedition
8.8%inclusion3 decks34 decks
5%synergy
Simic Ascendancy
8.8%inclusion3 decks34 decks
-4%synergy
Primeval Bounty
8.8%inclusion3 decks34 decks
7%synergy
March of the World Ooze
6.3%inclusion2 decks32 decks
5%synergy
Cryptolith Rite
5.9%inclusion2 decks34 decks
3%synergy
Carpet of Flowers
5.9%inclusion2 decks34 decks
3%synergy
Sandwurm Convergence
5.9%inclusion2 decks34 decks
3%synergy
Retreat to Kazandu
5.9%inclusion2 decks34 decks
2%synergy
Lignify
5.9%inclusion2 decks34 decks
4%synergy
Unnatural Growth
5.9%inclusion2 decks34 decks
3%synergy
Snake Umbra
5.9%inclusion2 decks34 decks
4%synergy
Mirrormade
5.9%inclusion2 decks34 decks
4%synergy
Parallel Lives
5.9%inclusion2 decks34 decks
0%synergy
Extravagant Replication
5.9%inclusion2 decks34 decks
4%synergy
New Horizons
5.9%inclusion2 decks34 decks
5%synergy
Levitation
5.9%inclusion2 decks34 decks
5%synergy
Mana Reflection
5.9%inclusion2 decks34 decks
1%synergy
Witness Protection
5.9%inclusion2 decks34 decks
3%synergy
Opposition
5.9%inclusion2 decks34 decks
5%synergy
Primal Rage
5.9%inclusion2 decks34 decks
5%synergy
Overgrowth
5.9%inclusion2 decks34 decks
5%synergy
Eusocial Engineering
5.9%inclusion1 decks17 decks
5%synergy
Cryoshatter
5.9%inclusion1 decks17 decks
6%synergy
Kiora Bests the Sea God
5.9%inclusion2 decks34 decks
4%synergy
Dismiss into Dream
5.9%inclusion2 decks34 decks
6%synergy
Fertile Ground
5.9%inclusion2 decks34 decks
4%synergy
Battles
Invasion of Zendikar
5.9%inclusion2 decks34 decks
4%synergy
Invasion of Segovia
5.9%inclusion2 decks34 decks
5%synergy
Planeswalkers
Kiora, Master of the Depths
12%inclusion4 decks34 decks
9%synergy
Oko, Thief of Crowns
12%inclusion4 decks34 decks
5%synergy
Kiora, Behemoth Beckoner
8.8%inclusion3 decks34 decks
2%synergy
Nissa, Steward of Elements
8.8%inclusion3 decks34 decks
5%synergy
Kiora, the Crashing Wave
5.9%inclusion2 decks34 decks
3%synergy
Wrenn and Seven
5.9%inclusion2 decks34 decks
4%synergy
Utility Lands
Reliquary Tower
47%inclusion16 decks34 decks
-3%synergy
Temple of the False God
24%inclusion8 decks34 decks
8%synergy
Mosswort Bridge
21%inclusion7 decks34 decks
3%synergy
Alchemist's Refuge
18%inclusion6 decks34 decks
0%synergy
Rogue's Passage
15%inclusion5 decks34 decks
-7%synergy
Lumbering Falls
12%inclusion4 decks34 decks
5%synergy
Restless Vinestalk
8.8%inclusion3 decks34 decks
3%synergy
Mystic Sanctuary
8.8%inclusion3 decks34 decks
-4%synergy
Castle Vantress
8.8%inclusion3 decks34 decks
2%synergy
Bonders' Enclave
8.8%inclusion3 decks34 decks
7%synergy
Lonely Sandbar
5.9%inclusion2 decks34 decks
2%synergy
Command Beacon
5.9%inclusion2 decks34 decks
2%synergy
Coral Atoll
5.9%inclusion2 decks34 decks
3%synergy
Tranquil Thicket
5.9%inclusion2 decks34 decks
2%synergy
Scavenger Grounds
5.9%inclusion2 decks34 decks
2%synergy
Memorial to Genius
5.9%inclusion2 decks34 decks
5%synergy
Jungle Basin
5.9%inclusion2 decks34 decks
3%synergy
Mana Artifacts
Sol Ring
79%inclusion27 decks34 decks
-1%synergy
Arcane Signet
56%inclusion19 decks34 decks
-7%synergy
Simic Signet
32%inclusion11 decks34 decks
0%synergy
Commander's Sphere
18%inclusion6 decks34 decks
9%synergy
Talisman of Curiosity
18%inclusion6 decks34 decks
-4%synergy
Thought Vessel
18%inclusion6 decks34 decks
-3%synergy
Mind Stone
12%inclusion4 decks34 decks
7%synergy
Moss Diamond
5.9%inclusion2 decks34 decks
5%synergy
Sky Diamond
5.9%inclusion2 decks34 decks
5%synergy
Lands
Island
100%inclusion34 decks34 decks
5%synergy
Forest
100%inclusion34 decks34 decks
5%synergy
Command Tower
71%inclusion24 decks34 decks
-15%synergy
Simic Growth Chamber
59%inclusion20 decks34 decks
10%synergy
Evolving Wilds
56%inclusion19 decks34 decks
31%synergy
Temple of Mystery
50%inclusion17 decks34 decks
12%synergy
Thornwood Falls
47%inclusion16 decks34 decks
29%synergy
Vineglimmer Snarl
44%inclusion15 decks34 decks
6%synergy
Hinterland Harbor
44%inclusion15 decks34 decks
-15%synergy
Flooded Grove
41%inclusion14 decks34 decks
0%synergy
Yavimaya Coast
38%inclusion13 decks34 decks
-14%synergy
Terramorphic Expanse
35%inclusion12 decks34 decks
15%synergy
Tangled Islet
35%inclusion12 decks34 decks
19%synergy
Simic Guildgate
32%inclusion11 decks34 decks
22%synergy
Myriad Landscape
21%inclusion7 decks34 decks
-2%synergy
Littjara Mirrorlake
21%inclusion7 decks34 decks
17%synergy
Woodland Stream
21%inclusion7 decks34 decks
15%synergy
Blighted Woodland
18%inclusion6 decks34 decks
10%synergy
Exotic Orchard
18%inclusion6 decks34 decks
-6%synergy
Quandrix Campus
15%inclusion5 decks34 decks
8%synergy
Rimewood Falls
15%inclusion5 decks34 decks
5%synergy
Path of Ancestry
15%inclusion5 decks34 decks
-3%synergy
Overflowing Basin
15%inclusion5 decks34 decks
-5%synergy
Dreamroot Cascade
15%inclusion5 decks34 decks
-27%synergy
Barkchannel Pathway
12%inclusion4 decks34 decks
-9%synergy
Brokers Hideout
12%inclusion4 decks34 decks
7%synergy
Ash Barrens
8.8%inclusion3 decks34 decks
5%synergy
Waterlogged Grove
8.8%inclusion3 decks34 decks
-12%synergy
Rejuvenating Springs
8.8%inclusion3 decks34 decks
-35%synergy
Vibrant Cityscape
8.3%inclusion1 decks12 decks
6%synergy
Breeding Pool
5.9%inclusion2 decks34 decks
-40%synergy
Disciple of Freyalise
5.9%inclusion2 decks34 decks
1%synergy
Tanglepool Bridge
5.9%inclusion2 decks34 decks
1%synergy
Vivid Creek
5.9%inclusion2 decks34 decks
4%synergy
Snow-Covered Island
5.9%inclusion2 decks34 decks
-1%synergy
Bridgeworks Battle
5.9%inclusion2 decks34 decks
1%synergy
Sink into Stupor
5.9%inclusion2 decks34 decks
-6%synergy
Botanical Sanctum
5.9%inclusion2 decks34 decks
-7%synergy
Lush Oasis
5.9%inclusion2 decks34 decks
0%synergy
Drowner of Truth
5.9%inclusion2 decks34 decks
4%synergy
Command Bridge
5.6%inclusion1 decks18 decks
5%synergy
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