The Monstrous Serpent (Commander) - Aggro

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #298
24decks
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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Shared Roots
20%inclusion1 decks5 decks
17%synergy
High Synergy Cards
Parallel Lives
79%inclusion19 decks24 decks
73%synergy
Whelming Wave
83%inclusion20 decks24 decks
72%synergy
Adrix and Nev, Twincasters
79%inclusion19 decks24 decks
71%synergy
Elemental Bond
75%inclusion18 decks24 decks
69%synergy
Spark Double
75%inclusion18 decks24 decks
65%synergy
Second Harvest
63%inclusion15 decks24 decks
56%synergy
Junk Winder
58%inclusion14 decks24 decks
52%synergy
Sakashima of a Thousand Faces
54%inclusion13 decks24 decks
49%synergy
Doubling Season
58%inclusion14 decks24 decks
49%synergy
Kindred Discovery
58%inclusion14 decks24 decks
48%synergy
Top Cards
Rampant Growth
75%inclusion18 decks24 decks
34%synergy
Cultivate
75%inclusion18 decks24 decks
28%synergy
Counterspell
75%inclusion18 decks24 decks
25%synergy
Kodama's Reach
63%inclusion15 decks24 decks
26%synergy
Lightning Greaves
58%inclusion14 decks24 decks
37%synergy
Koma, World-Eater
56%inclusion10 decks18 decks
42%synergy
Heroic Intervention
54%inclusion13 decks24 decks
24%synergy
Irenicus's Vile Duplication
54%inclusion13 decks24 decks
48%synergy
Serpent of Yawning Depths
54%inclusion13 decks24 decks
48%synergy
Murkfiend Liege
50%inclusion12 decks24 decks
35%synergy
Game Changers
Cyclonic Rift
46%inclusion11 decks24 decks
20%synergy
Seedborn Muse
42%inclusion10 decks24 decks
26%synergy
Fierce Guardianship
29%inclusion7 decks24 decks
12%synergy
Worldly Tutor
25%inclusion6 decks24 decks
10%synergy
Mystical Tutor
21%inclusion5 decks24 decks
11%synergy
Ancient Tomb
17%inclusion4 decks24 decks
7%synergy
Consecrated Sphinx
17%inclusion4 decks24 decks
8%synergy
Rhystic Study
17%inclusion4 decks24 decks
-5%synergy
Force of Will
17%inclusion4 decks24 decks
7%synergy
Crop Rotation
8.3%inclusion2 decks24 decks
-5%synergy
Creatures
Birds of Paradise
46%inclusion11 decks24 decks
18%synergy
Spawning Kraken
46%inclusion11 decks24 decks
38%synergy
Aesi, Tyrant of Gyre Strait
42%inclusion10 decks24 decks
24%synergy
Summon: Leviathan
40%inclusion4 decks10 decks
33%synergy
Garruk's Packleader
38%inclusion9 decks24 decks
35%synergy
Eternal Witness
33%inclusion8 decks24 decks
12%synergy
Craterhoof Behemoth
33%inclusion8 decks24 decks
24%synergy
Sakashima the Impostor
33%inclusion8 decks24 decks
31%synergy
Ohran Frostfang
33%inclusion8 decks24 decks
30%synergy
Arixmethes, Slumbering Isle
33%inclusion8 decks24 decks
20%synergy
Hullbreaker Horror
33%inclusion8 decks24 decks
16%synergy
Sakura-Tribe Elder
33%inclusion8 decks24 decks
14%synergy
Elvish Mystic
29%inclusion7 decks24 decks
5%synergy
Llanowar Elves
29%inclusion7 decks24 decks
1%synergy
Archetype of Imagination
29%inclusion7 decks24 decks
25%synergy
Enduring Vitality
28%inclusion5 decks18 decks
20%synergy
Roaming Throne
25%inclusion6 decks24 decks
17%synergy
Fanatic of Rhonas
25%inclusion5 decks20 decks
19%synergy
Tatyova, Benthic Druid
21%inclusion5 decks24 decks
-10%synergy
Phyrexian Metamorph
21%inclusion5 decks24 decks
12%synergy
Slinn Voda, the Rising Deep
21%inclusion5 decks24 decks
14%synergy
Gala Greeters
21%inclusion5 decks24 decks
19%synergy
Guardian Augmenter
21%inclusion5 decks24 decks
20%synergy
Fyndhorn Elves
21%inclusion5 decks24 decks
5%synergy
Octomancer
20%inclusion4 decks20 decks
15%synergy
Solemn Simulacrum
17%inclusion4 decks24 decks
10%synergy
Curiosity Crafter
17%inclusion4 decks24 decks
13%synergy
Circle of Dreams Druid
17%inclusion4 decks24 decks
14%synergy
Saryth, the Viper's Fang
17%inclusion4 decks24 decks
15%synergy
Auton Soldier
17%inclusion4 decks24 decks
14%synergy
Clever Impersonator
17%inclusion4 decks24 decks
12%synergy
Reef Worm
17%inclusion4 decks24 decks
13%synergy
Hydroelectric Specimen
15%inclusion3 decks20 decks
9%synergy
Bloom Tender
13%inclusion3 decks24 decks
8%synergy
Troyan, Gutsy Explorer
13%inclusion3 decks24 decks
9%synergy
Esix, Fractal Bloom
13%inclusion3 decks24 decks
9%synergy
Toski, Bearer of Secrets
13%inclusion3 decks24 decks
9%synergy
Geode Golem
13%inclusion3 decks24 decks
12%synergy
Tireless Provisioner
13%inclusion3 decks24 decks
-3%synergy
Glasspool Mimic
13%inclusion3 decks24 decks
8%synergy
Kona, Rescue Beastie
11%inclusion2 decks18 decks
10%synergy
Enduring Curiosity
11%inclusion2 decks18 decks
8%synergy
Loot, Exuberant Explorer
11%inclusion2 decks18 decks
4%synergy
Ouroboroid
11%inclusion1 decks9 decks
8%synergy
Starwinder
11%inclusion1 decks9 decks
4%synergy
Disciple of Freyalise
10%inclusion2 decks20 decks
5%synergy
Reclamation Sage
8.3%inclusion2 decks24 decks
-6%synergy
Selvala, Heart of the Wilds
8.3%inclusion2 decks24 decks
5%synergy
Inga and Esika
8.3%inclusion2 decks24 decks
6%synergy
Avenger of Zendikar
8.3%inclusion2 decks24 decks
-10%synergy
Instants
Beast Within
46%inclusion11 decks24 decks
-4%synergy
Double Major
46%inclusion11 decks24 decks
37%synergy
An Offer You Can't Refuse
42%inclusion10 decks24 decks
19%synergy
Negate
42%inclusion10 decks24 decks
16%synergy
Mana Drain
38%inclusion9 decks24 decks
22%synergy
Arcane Denial
38%inclusion9 decks24 decks
15%synergy
Rapid Hybridization
33%inclusion8 decks24 decks
7%synergy
Return of the Wildspeaker
33%inclusion8 decks24 decks
23%synergy
Growth Spiral
33%inclusion8 decks24 decks
-11%synergy
Pongify
29%inclusion7 decks24 decks
4%synergy
Krosan Grip
25%inclusion6 decks24 decks
17%synergy
Nature's Claim
25%inclusion6 decks24 decks
15%synergy
Reality Shift
21%inclusion5 decks24 decks
6%synergy
Swan Song
21%inclusion5 decks24 decks
2%synergy
Voidslime
21%inclusion5 decks24 decks
16%synergy
Brainstorm
17%inclusion4 decks24 decks
2%synergy
Harrow
17%inclusion4 decks24 decks
5%synergy
Aetherize
17%inclusion4 decks24 decks
5%synergy
Noxious Revival
17%inclusion4 decks24 decks
11%synergy
Tamiyo's Safekeeping
17%inclusion4 decks24 decks
11%synergy
Mizzium Skin
13%inclusion3 decks24 decks
12%synergy
Frantic Search
13%inclusion3 decks24 decks
7%synergy
Snakeskin Veil
13%inclusion3 decks24 decks
7%synergy
Archdruid's Charm
13%inclusion3 decks24 decks
6%synergy
Mindbreak Trap
13%inclusion3 decks24 decks
8%synergy
Force of Vigor
13%inclusion3 decks24 decks
8%synergy
Entish Restoration
13%inclusion3 decks24 decks
3%synergy
Return to Nature
13%inclusion3 decks24 decks
7%synergy
Resculpt
13%inclusion3 decks24 decks
6%synergy
Disallow
13%inclusion3 decks24 decks
11%synergy
Simic Charm
13%inclusion3 decks24 decks
4%synergy
Flare of Denial
10%inclusion2 decks20 decks
7%synergy
Planar Genesis
10%inclusion2 decks20 decks
-1%synergy
Heritage Reclamation
9.1%inclusion1 decks11 decks
7%synergy
Muddle the Mixture
8.3%inclusion2 decks24 decks
4%synergy
Plasm Capture
8.3%inclusion2 decks24 decks
5%synergy
Stubborn Denial
8.3%inclusion2 decks24 decks
6%synergy
Complete the Circuit
8.3%inclusion2 decks24 decks
8%synergy
Repulsive Mutation
8.3%inclusion2 decks24 decks
3%synergy
Perplexing Test
8.3%inclusion2 decks24 decks
4%synergy
Flusterstorm
8.3%inclusion2 decks24 decks
2%synergy
Filter Out
8.3%inclusion2 decks24 decks
6%synergy
Cackling Counterpart
8.3%inclusion2 decks24 decks
5%synergy
Rewind
8.3%inclusion2 decks24 decks
5%synergy
Naturalize
8.3%inclusion2 decks24 decks
7%synergy
Obscuring Haze
8.3%inclusion2 decks24 decks
6%synergy
Miscast
8.3%inclusion2 decks24 decks
6%synergy
Brainsurge
5.0%inclusion1 decks20 decks
2%synergy
Strix Serenade
5.0%inclusion1 decks20 decks
1%synergy
Sink into Stupor
5.0%inclusion1 decks20 decks
-6%synergy
Sorceries
Quantum Misalignment
42%inclusion10 decks24 decks
39%synergy
Triumph of the Hordes
38%inclusion9 decks24 decks
35%synergy
Farseek
38%inclusion9 decks24 decks
13%synergy
Nature's Lore
38%inclusion9 decks24 decks
7%synergy
Three Visits
33%inclusion8 decks24 decks
10%synergy
Skyshroud Claim
29%inclusion7 decks24 decks
20%synergy
Bala Ged Recovery
25%inclusion6 decks24 decks
15%synergy
Overwhelming Stampede
25%inclusion6 decks24 decks
13%synergy
Rite of Replication
25%inclusion6 decks24 decks
18%synergy
Finale of Devastation
21%inclusion5 decks24 decks
9%synergy
Explore
21%inclusion5 decks24 decks
1%synergy
Shamanic Revelation
21%inclusion5 decks24 decks
15%synergy
Green Sun's Zenith
17%inclusion4 decks24 decks
8%synergy
Last March of the Ents
17%inclusion4 decks24 decks
13%synergy
Migration Path
17%inclusion4 decks24 decks
13%synergy
Regrowth
17%inclusion4 decks24 decks
13%synergy
Raise the Palisade
17%inclusion4 decks24 decks
10%synergy
Rally the Galadhrim
13%inclusion3 decks24 decks
11%synergy
Search for Tomorrow
13%inclusion3 decks24 decks
8%synergy
Distant Melody
13%inclusion3 decks24 decks
9%synergy
Doppelgang
13%inclusion3 decks24 decks
6%synergy
Glimpse the Core
13%inclusion3 decks24 decks
12%synergy
Flare of Cultivation
9.1%inclusion2 decks22 decks
7%synergy
Traverse the Outlands
8.3%inclusion2 decks24 decks
5%synergy
Oversimplify
8.3%inclusion2 decks24 decks
4%synergy
Fabricate
8.3%inclusion2 decks24 decks
2%synergy
Tempt with Discovery
8.3%inclusion2 decks24 decks
4%synergy
Clone Legion
8.3%inclusion2 decks24 decks
7%synergy
Quasiduplicate
8.3%inclusion2 decks24 decks
6%synergy
River's Rebuke
8.3%inclusion2 decks24 decks
6%synergy
Ezuri's Predation
8.3%inclusion2 decks24 decks
1%synergy
Season of Weaving
5.0%inclusion1 decks20 decks
2%synergy
Aggressive Biomancy
5.0%inclusion1 decks20 decks
0%synergy
Bridgeworks Battle
5.0%inclusion1 decks20 decks
0%synergy
Utility Artifacts
Helm of the Host
42%inclusion10 decks24 decks
36%synergy
Swiftfoot Boots
38%inclusion9 decks24 decks
12%synergy
Mirror Box
33%inclusion8 decks24 decks
30%synergy
Combine Chrysalis
25%inclusion6 decks24 decks
21%synergy
Monster Manual
17%inclusion4 decks24 decks
15%synergy
Emerald Medallion
17%inclusion4 decks24 decks
14%synergy
Coat of Arms
13%inclusion3 decks24 decks
11%synergy
The Great Henge
13%inclusion3 decks24 decks
3%synergy
Eldrazi Monument
13%inclusion3 decks24 decks
12%synergy
Bident of Thassa
13%inclusion3 decks24 decks
5%synergy
Sensei's Divining Top
8.3%inclusion2 decks24 decks
5%synergy
The One Ring
8.3%inclusion2 decks24 decks
1%synergy
The Immortal Sun
8.3%inclusion2 decks24 decks
8%synergy
Kaldra Compleat
8.3%inclusion2 decks24 decks
8%synergy
Idol of Oblivion
8.3%inclusion2 decks24 decks
5%synergy
Venser's Journal
8.3%inclusion2 decks24 decks
7%synergy
Thunderous Velocipede
6.3%inclusion1 decks16 decks
5%synergy
Enchantments
Tribute to the World Tree
46%inclusion11 decks24 decks
39%synergy
Cryptolith Rite
33%inclusion8 decks24 decks
30%synergy
Primal Vigor
33%inclusion8 decks24 decks
30%synergy
Exploration
29%inclusion7 decks24 decks
16%synergy
Mystic Remora
29%inclusion7 decks24 decks
14%synergy
Beastmaster Ascension
21%inclusion5 decks24 decks
18%synergy
Garruk's Uprising
21%inclusion5 decks24 decks
5%synergy
Wilderness Reclamation
21%inclusion5 decks24 decks
12%synergy
Paradox Haze
21%inclusion5 decks24 decks
20%synergy
Growing Rites of Itlimoc
21%inclusion5 decks24 decks
15%synergy
Unnatural Growth
17%inclusion4 decks24 decks
13%synergy
Opposition
17%inclusion4 decks24 decks
16%synergy
Defense of the Heart
17%inclusion4 decks24 decks
14%synergy
Propaganda
17%inclusion4 decks24 decks
10%synergy
Sylvan Library
13%inclusion3 decks24 decks
3%synergy
Leyline of Anticipation
13%inclusion3 decks24 decks
8%synergy
Dismiss into Dream
13%inclusion3 decks24 decks
12%synergy
Death's Presence
13%inclusion3 decks24 decks
12%synergy
Impostor Syndrome
13%inclusion1 decks8 decks
10%synergy
Mirror Room // Fractured Realm
11%inclusion2 decks18 decks
10%synergy
Moonlit Meditation
11%inclusion1 decks9 decks
10%synergy
Utopia Sprawl
8.3%inclusion2 decks24 decks
2%synergy
Verity Circle
8.3%inclusion2 decks24 decks
8%synergy
Primal Empathy
8.3%inclusion2 decks24 decks
6%synergy
Imprisoned in the Moon
8.3%inclusion2 decks24 decks
4%synergy
Wizard Class
8.3%inclusion2 decks24 decks
3%synergy
Extravagant Replication
8.3%inclusion2 decks24 decks
6%synergy
Quest for Ula's Temple
8.3%inclusion2 decks24 decks
6%synergy
Elven Chorus
8.3%inclusion2 decks24 decks
5%synergy
Simic Ascendancy
8.3%inclusion2 decks24 decks
-5%synergy
Ominous Seas
8.3%inclusion2 decks24 decks
4%synergy
Vesuvan Duplimancy
8.3%inclusion2 decks24 decks
6%synergy
Followed Footsteps
8.3%inclusion2 decks24 decks
8%synergy
Glorious Sunrise
8.3%inclusion2 decks24 decks
8%synergy
Burgeoning
8.3%inclusion2 decks24 decks
1%synergy
Eaten by Piranhas
8.3%inclusion2 decks24 decks
6%synergy
Court of Bounty
8.3%inclusion2 decks24 decks
8%synergy
Overgrowth
8.3%inclusion2 decks24 decks
7%synergy
Shielding Plax
8.3%inclusion2 decks24 decks
6%synergy
Unstoppable Plan
6.3%inclusion1 decks16 decks
4%synergy
March of the World Ooze
6.3%inclusion1 decks16 decks
5%synergy
Battles
Invasion of Segovia
8.3%inclusion2 decks24 decks
8%synergy
Invasion of Arcavios
8.3%inclusion2 decks24 decks
8%synergy
Planeswalkers
Oko, Thief of Crowns
29%inclusion7 decks24 decks
22%synergy
Jace, Wielder of Mysteries
8.3%inclusion2 decks24 decks
4%synergy
Vivien Reid
8.3%inclusion2 decks24 decks
7%synergy
Kaito, Cunning Infiltrator
5.6%inclusion1 decks18 decks
5%synergy
Utility Lands
Reliquary Tower
67%inclusion16 decks24 decks
17%synergy
Evendo, Waking Haven
44%inclusion4 decks9 decks
39%synergy
Command Beacon
33%inclusion8 decks24 decks
29%synergy
Boseiju, Who Endures
33%inclusion8 decks24 decks
11%synergy
Otawara, Soaring City
33%inclusion8 decks24 decks
14%synergy
Mistrise Village
25%inclusion3 decks12 decks
14%synergy
Yavimaya, Cradle of Growth
25%inclusion6 decks24 decks
3%synergy
Temple of the False God
25%inclusion6 decks24 decks
9%synergy
Mystic Sanctuary
21%inclusion5 decks24 decks
8%synergy
Three Tree City
20%inclusion4 decks20 decks
15%synergy
Alchemist's Refuge
17%inclusion4 decks24 decks
-1%synergy
Rogue's Passage
17%inclusion4 decks24 decks
-5%synergy
Urza's Saga
13%inclusion3 decks24 decks
7%synergy
Arcane Lighthouse
8.3%inclusion2 decks24 decks
8%synergy
Scavenger Grounds
8.3%inclusion2 decks24 decks
4%synergy
Gaea's Cradle
8.3%inclusion2 decks24 decks
1%synergy
Mosswort Bridge
8.3%inclusion2 decks24 decks
-9%synergy
Cascading Cataracts
8.3%inclusion2 decks24 decks
8%synergy
Shifting Woodland
5.0%inclusion1 decks20 decks
-2%synergy
Mana Artifacts
Sol Ring
96%inclusion23 decks24 decks
15%synergy
Arcane Signet
75%inclusion18 decks24 decks
12%synergy
Thought Vessel
42%inclusion10 decks24 decks
21%synergy
Simic Signet
38%inclusion9 decks24 decks
5%synergy
Talisman of Curiosity
33%inclusion8 decks24 decks
12%synergy
Decanter of Endless Water
21%inclusion5 decks24 decks
16%synergy
Chromatic Lantern
17%inclusion4 decks24 decks
14%synergy
Fellwar Stone
17%inclusion4 decks24 decks
7%synergy
Jeweled Lotus
13%inclusion3 decks24 decks
10%synergy
Moss Diamond
8.3%inclusion2 decks24 decks
7%synergy
Mana Vault
8.3%inclusion2 decks24 decks
2%synergy
Mox Opal
8.3%inclusion2 decks24 decks
4%synergy
Skyclave Relic
8.3%inclusion2 decks24 decks
7%synergy
Lands
Command Tower
92%inclusion22 decks24 decks
6%synergy
Island
92%inclusion22 decks24 decks
-4%synergy
Forest
92%inclusion22 decks24 decks
-4%synergy
Hinterland Harbor
79%inclusion19 decks24 decks
20%synergy
Rejuvenating Springs
67%inclusion16 decks24 decks
23%synergy
Breeding Pool
63%inclusion15 decks24 decks
17%synergy
Yavimaya Coast
63%inclusion15 decks24 decks
10%synergy
Dreamroot Cascade
54%inclusion13 decks24 decks
12%synergy
Flooded Grove
42%inclusion10 decks24 decks
1%synergy
Simic Growth Chamber
38%inclusion9 decks24 decks
-11%synergy
Misty Rainforest
38%inclusion9 decks24 decks
6%synergy
Myriad Landscape
38%inclusion9 decks24 decks
15%synergy
Waterlogged Grove
38%inclusion9 decks24 decks
17%synergy
Temple of Mystery
33%inclusion8 decks24 decks
-5%synergy
Fabled Passage
29%inclusion7 decks24 decks
15%synergy
Vineglimmer Snarl
29%inclusion7 decks24 decks
-9%synergy
Exotic Orchard
25%inclusion6 decks24 decks
1%synergy
Barkchannel Pathway
25%inclusion6 decks24 decks
5%synergy
Evolving Wilds
25%inclusion6 decks24 decks
0%synergy
Bala Ged Recovery
25%inclusion6 decks24 decks
15%synergy
Overflowing Basin
23%inclusion5 decks22 decks
3%synergy
Prismatic Vista
17%inclusion4 decks24 decks
9%synergy
Terramorphic Expanse
17%inclusion4 decks24 decks
-3%synergy
Littjara Mirrorlake
17%inclusion4 decks24 decks
13%synergy
Tangled Islet
17%inclusion4 decks24 decks
0%synergy
Tropical Island
17%inclusion4 decks24 decks
2%synergy
Rimewood Falls
17%inclusion4 decks24 decks
7%synergy
Path of Ancestry
17%inclusion4 decks24 decks
-1%synergy
Hydroelectric Specimen
15%inclusion3 decks20 decks
9%synergy
Tanglepool Bridge
13%inclusion3 decks24 decks
8%synergy
Botanical Sanctum
13%inclusion3 decks24 decks
0%synergy
Glasspool Mimic
13%inclusion3 decks24 decks
8%synergy
Willowrush Verge
13%inclusion2 decks16 decks
-4%synergy
Hedge Maze
13%inclusion3 decks24 decks
-7%synergy
Disciple of Freyalise
10%inclusion2 decks20 decks
5%synergy
Escape Tunnel
8.3%inclusion2 decks24 decks
5%synergy
Blighted Woodland
8.3%inclusion2 decks24 decks
1%synergy
Snow-Covered Island
8.3%inclusion2 decks24 decks
1%synergy
Snow-Covered Forest
8.3%inclusion2 decks24 decks
2%synergy
Reflecting Pool
8.3%inclusion2 decks24 decks
5%synergy
Gemstone Caverns
8.3%inclusion2 decks24 decks
2%synergy
Mana Confluence
8.3%inclusion2 decks24 decks
3%synergy
Simic Guildgate
8.3%inclusion2 decks24 decks
-2%synergy
Bridgeworks Battle
5.0%inclusion1 decks20 decks
0%synergy
Sink into Stupor
5.0%inclusion1 decks20 decks
-6%synergy
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