The Monstrous Serpent (Commander) - Optimized Clones

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

Background image for How To Play Sea Creatures Differently In Commander
Sikora
Nov 13, 2025
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
Wan Shi Tong, Librarian
7.7%inclusion1 decks13 decks
2%synergy
Badgermole Cub
7.7%inclusion1 decks13 decks
3%synergy
Agna Qel'a
7.7%inclusion1 decks13 decks
7%synergy
The Cabbage Merchant
6.7%inclusion1 decks15 decks
5%synergy
High Synergy Cards
Sakashima of a Thousand Faces
91%inclusion31 decks34 decks
86%synergy
Adrix and Nev, Twincasters
88%inclusion30 decks34 decks
80%synergy
Spark Double
88%inclusion30 decks34 decks
79%synergy
Parallel Lives
76%inclusion26 decks34 decks
71%synergy
Whelming Wave
79%inclusion27 decks34 decks
68%synergy
Sakashima the Impostor
71%inclusion24 decks34 decks
68%synergy
Mana Drain
79%inclusion27 decks34 decks
64%synergy
Elemental Bond
65%inclusion22 decks34 decks
59%synergy
Serpent of Yawning Depths
65%inclusion22 decks34 decks
58%synergy
Doubling Season
68%inclusion23 decks34 decks
58%synergy
Top Cards
Counterspell
79%inclusion27 decks34 decks
29%synergy
Cultivate
76%inclusion26 decks34 decks
30%synergy
Birds of Paradise
74%inclusion25 decks34 decks
46%synergy
Koma, World-Eater
71%inclusion24 decks34 decks
57%synergy
Heroic Intervention
71%inclusion24 decks34 decks
40%synergy
Kodama's Reach
68%inclusion23 decks34 decks
31%synergy
Three Visits
68%inclusion23 decks34 decks
45%synergy
Aesi, Tyrant of Gyre Strait
68%inclusion23 decks34 decks
50%synergy
Swan Song
65%inclusion22 decks34 decks
46%synergy
Farseek
62%inclusion21 decks34 decks
37%synergy
Game Changers
Rhystic Study
82%inclusion28 decks34 decks
61%synergy
Cyclonic Rift
82%inclusion28 decks34 decks
56%synergy
Fierce Guardianship
76%inclusion26 decks34 decks
59%synergy
Seedborn Muse
50%inclusion17 decks34 decks
34%synergy
Consecrated Sphinx
44%inclusion15 decks34 decks
35%synergy
Worldly Tutor
44%inclusion15 decks34 decks
29%synergy
Mystical Tutor
41%inclusion14 decks34 decks
32%synergy
Ancient Tomb
38%inclusion13 decks34 decks
29%synergy
Force of Will
38%inclusion13 decks34 decks
28%synergy
Gaea's Cradle
18%inclusion6 decks34 decks
10%synergy
Creatures
Llanowar Elves
56%inclusion19 decks34 decks
28%synergy
Spawning Kraken
56%inclusion19 decks34 decks
48%synergy
Eternal Witness
50%inclusion17 decks34 decks
29%synergy
Craterhoof Behemoth
50%inclusion17 decks34 decks
40%synergy
Elvish Mystic
47%inclusion16 decks34 decks
23%synergy
Junk Winder
47%inclusion16 decks34 decks
40%synergy
Ohran Frostfang
38%inclusion13 decks34 decks
35%synergy
Roaming Throne
35%inclusion12 decks34 decks
27%synergy
Fyndhorn Elves
35%inclusion12 decks34 decks
20%synergy
Enduring Vitality
32%inclusion11 decks34 decks
25%synergy
Sakura-Tribe Elder
32%inclusion11 decks34 decks
13%synergy
Garruk's Packleader
29%inclusion10 decks34 decks
27%synergy
Azusa, Lost but Seeking
29%inclusion10 decks34 decks
15%synergy
Tatyova, Benthic Druid
26%inclusion9 decks34 decks
-5%synergy
Arixmethes, Slumbering Isle
26%inclusion9 decks34 decks
13%synergy
Summon: Leviathan
26%inclusion6 decks23 decks
19%synergy
Coiling Oracle
24%inclusion8 decks34 decks
10%synergy
Fanatic of Rhonas
24%inclusion8 decks34 decks
18%synergy
Toski, Bearer of Secrets
24%inclusion8 decks34 decks
20%synergy
Uro, Titan of Nature's Wrath
24%inclusion8 decks34 decks
14%synergy
Delighted Halfling
24%inclusion8 decks34 decks
12%synergy
Selvala, Heart of the Wilds
18%inclusion6 decks34 decks
14%synergy
Curiosity Crafter
15%inclusion5 decks34 decks
11%synergy
Saryth, the Viper's Fang
15%inclusion5 decks34 decks
13%synergy
Murkfiend Liege
15%inclusion5 decks34 decks
0%synergy
Esix, Fractal Bloom
15%inclusion5 decks34 decks
11%synergy
Tireless Provisioner
15%inclusion5 decks34 decks
0%synergy
Dryad of the Ilysian Grove
15%inclusion5 decks34 decks
5%synergy
Glasspool Mimic
15%inclusion5 decks34 decks
10%synergy
Hullbreaker Horror
15%inclusion5 decks34 decks
-3%synergy
Octomancer
12%inclusion4 decks34 decks
7%synergy
Inga and Esika
12%inclusion4 decks34 decks
9%synergy
Kinnan, Bonder Prodigy
12%inclusion4 decks34 decks
8%synergy
Archetype of Imagination
12%inclusion4 decks34 decks
7%synergy
Scute Swarm
12%inclusion4 decks34 decks
-9%synergy
Reclamation Sage
8.8%inclusion3 decks34 decks
-5%synergy
Troyan, Gutsy Explorer
8.8%inclusion3 decks34 decks
6%synergy
Arbor Elf
8.8%inclusion3 decks34 decks
2%synergy
Slinn Voda, the Rising Deep
8.8%inclusion3 decks34 decks
2%synergy
Lotus Cobra
8.8%inclusion3 decks34 decks
-5%synergy
Enduring Curiosity
8.8%inclusion3 decks34 decks
6%synergy
Faerie Mastermind
8.8%inclusion3 decks34 decks
4%synergy
Master Biomancer
8.8%inclusion3 decks34 decks
2%synergy
Nezahal, Primal Tide
8.8%inclusion3 decks34 decks
-2%synergy
Vorinclex, Voice of Hunger
8.8%inclusion3 decks34 decks
6%synergy
Solemn Simulacrum
5.9%inclusion2 decks34 decks
-1%synergy
Rashmi, Eternities Crafter
5.9%inclusion2 decks34 decks
3%synergy
Pirated Copy
5.9%inclusion2 decks34 decks
5%synergy
Collector Ouphe
5.9%inclusion2 decks34 decks
5%synergy
Kiora's Follower
5.9%inclusion2 decks34 decks
-9%synergy
Instants
An Offer You Can't Refuse
59%inclusion20 decks34 decks
36%synergy
Double Major
59%inclusion20 decks34 decks
50%synergy
Beast Within
56%inclusion19 decks34 decks
6%synergy
Pongify
50%inclusion17 decks34 decks
25%synergy
Growth Spiral
44%inclusion15 decks34 decks
0%synergy
Negate
38%inclusion13 decks34 decks
12%synergy
Rapid Hybridization
35%inclusion12 decks34 decks
9%synergy
Second Harvest
35%inclusion12 decks34 decks
29%synergy
Arcane Denial
29%inclusion10 decks34 decks
7%synergy
Force of Negation
26%inclusion9 decks34 decks
18%synergy
Mystic Reflection
21%inclusion7 decks34 decks
18%synergy
Sink into Stupor
21%inclusion7 decks34 decks
9%synergy
Tamiyo's Safekeeping
21%inclusion7 decks34 decks
15%synergy
Pact of Negation
21%inclusion7 decks34 decks
13%synergy
Force of Vigor
18%inclusion6 decks34 decks
13%synergy
Chord of Calling
18%inclusion6 decks34 decks
10%synergy
Voidslime
18%inclusion6 decks34 decks
13%synergy
Crop Rotation
15%inclusion5 decks34 decks
1%synergy
Return of the Wildspeaker
15%inclusion5 decks34 decks
4%synergy
Krosan Grip
15%inclusion5 decks34 decks
7%synergy
Nature's Claim
15%inclusion5 decks34 decks
5%synergy
Strix Serenade
15%inclusion5 decks34 decks
11%synergy
Noxious Revival
15%inclusion5 decks34 decks
9%synergy
Brainstorm
12%inclusion4 decks34 decks
-3%synergy
Archdruid's Charm
12%inclusion4 decks34 decks
6%synergy
Reality Shift
12%inclusion4 decks34 decks
-3%synergy
Resculpt
12%inclusion4 decks34 decks
6%synergy
Fog
8.8%inclusion3 decks34 decks
5%synergy
Three Steps Ahead
8.8%inclusion3 decks34 decks
6%synergy
Sublime Epiphany
8.8%inclusion3 decks34 decks
7%synergy
Harrow
8.8%inclusion3 decks34 decks
-3%synergy
Return to Nature
8.8%inclusion3 decks34 decks
3%synergy
Cryptic Command
8.8%inclusion3 decks34 decks
7%synergy
Planar Genesis
8.8%inclusion3 decks34 decks
-2%synergy
March of Swirling Mist
8.8%inclusion3 decks34 decks
5%synergy
Muddle the Mixture
5.9%inclusion2 decks34 decks
1%synergy
Eureka Moment
5.9%inclusion2 decks34 decks
-5%synergy
Disdainful Stroke
5.9%inclusion2 decks34 decks
4%synergy
Snakeskin Veil
5.9%inclusion2 decks34 decks
0%synergy
Stubborn Denial
5.9%inclusion2 decks34 decks
3%synergy
Tyvar's Stand
5.9%inclusion2 decks34 decks
3%synergy
Flare of Denial
5.9%inclusion2 decks34 decks
3%synergy
Legolas's Quick Reflexes
5.9%inclusion2 decks34 decks
3%synergy
Daze
5.9%inclusion2 decks34 decks
5%synergy
Aetherize
5.9%inclusion2 decks34 decks
-6%synergy
Disallow
5.9%inclusion2 decks34 decks
4%synergy
Saw It Coming
5.9%inclusion2 decks34 decks
4%synergy
Wash Away
5.9%inclusion2 decks34 decks
4%synergy
Collective Resistance
5.9%inclusion2 decks34 decks
2%synergy
Simic Charm
5.9%inclusion2 decks34 decks
-2%synergy
Sorceries
Irenicus's Vile Duplication
59%inclusion20 decks34 decks
53%synergy
Nature's Lore
56%inclusion19 decks34 decks
26%synergy
Rampant Growth
53%inclusion18 decks34 decks
12%synergy
Quantum Misalignment
38%inclusion13 decks34 decks
35%synergy
Finale of Devastation
38%inclusion13 decks34 decks
27%synergy
Skyshroud Claim
32%inclusion11 decks34 decks
23%synergy
Bala Ged Recovery
29%inclusion10 decks34 decks
19%synergy
Windfall
18%inclusion6 decks34 decks
14%synergy
Triumph of the Hordes
18%inclusion6 decks34 decks
15%synergy
Sea Gate Restoration
18%inclusion6 decks34 decks
12%synergy
Regrowth
18%inclusion6 decks34 decks
14%synergy
Bridgeworks Battle
12%inclusion4 decks34 decks
7%synergy
Explore
12%inclusion4 decks34 decks
-9%synergy
Overwhelming Stampede
12%inclusion4 decks34 decks
0%synergy
Rite of Replication
12%inclusion4 decks34 decks
4%synergy
Green Sun's Zenith
8.8%inclusion3 decks34 decks
0%synergy
Flare of Cultivation
8.8%inclusion3 decks34 decks
7%synergy
Quasiduplicate
8.8%inclusion3 decks34 decks
6%synergy
Rishkar's Expertise
8.8%inclusion3 decks34 decks
0%synergy
Explosive Vegetation
8.8%inclusion3 decks34 decks
3%synergy
Open the Way
8.8%inclusion3 decks34 decks
6%synergy
Into the North
5.9%inclusion2 decks34 decks
5%synergy
Awaken the Woods
5.9%inclusion2 decks34 decks
1%synergy
Fabricate
5.9%inclusion2 decks34 decks
-1%synergy
Tempt with Discovery
5.9%inclusion2 decks34 decks
2%synergy
Curse of the Swine
5.9%inclusion2 decks34 decks
-5%synergy
Lórien Revealed
5.9%inclusion2 decks34 decks
3%synergy
Vastwood Surge
5.9%inclusion2 decks34 decks
5%synergy
Pick Your Poison
5.9%inclusion2 decks34 decks
5%synergy
Search for Tomorrow
5.9%inclusion2 decks34 decks
1%synergy
Expropriate
5.9%inclusion2 decks34 decks
4%synergy
Ezuri's Predation
5.9%inclusion2 decks34 decks
-2%synergy
Doppelgang
5.9%inclusion2 decks34 decks
-1%synergy
Shamanic Revelation
5.9%inclusion2 decks34 decks
1%synergy
Ravenform
5.9%inclusion2 decks34 decks
1%synergy
Migration Path
5.9%inclusion2 decks34 decks
2%synergy
Time Warp
5.9%inclusion2 decks34 decks
4%synergy
Harvest Season
5.9%inclusion2 decks34 decks
4%synergy
Utility Artifacts
Lightning Greaves
50%inclusion17 decks34 decks
28%synergy
Swiftfoot Boots
47%inclusion16 decks34 decks
21%synergy
Helm of the Host
44%inclusion15 decks34 decks
39%synergy
Mirror Box
21%inclusion7 decks34 decks
17%synergy
The Great Henge
21%inclusion7 decks34 decks
12%synergy
Combine Chrysalis
18%inclusion6 decks34 decks
13%synergy
Skullclamp
15%inclusion5 decks34 decks
14%synergy
Eldrazi Monument
15%inclusion5 decks34 decks
14%synergy
Static Orb
12%inclusion4 decks34 decks
12%synergy
Winter Orb
12%inclusion4 decks34 decks
12%synergy
The One Ring
12%inclusion4 decks34 decks
4%synergy
Idol of Oblivion
12%inclusion4 decks34 decks
8%synergy
Emerald Medallion
8.8%inclusion3 decks34 decks
6%synergy
Sapphire Medallion
8.8%inclusion3 decks34 decks
6%synergy
Lithoform Engine
5.9%inclusion2 decks34 decks
5%synergy
Mirage Mirror
5.9%inclusion2 decks34 decks
-1%synergy
Nevinyrral's Disk
5.9%inclusion2 decks34 decks
5%synergy
Commander's Plate
5.9%inclusion2 decks34 decks
6%synergy
Enchantments
Mystic Remora
56%inclusion19 decks34 decks
41%synergy
Tribute to the World Tree
44%inclusion15 decks34 decks
38%synergy
Sylvan Library
44%inclusion15 decks34 decks
35%synergy
Kindred Discovery
24%inclusion8 decks34 decks
14%synergy
Beastmaster Ascension
24%inclusion8 decks34 decks
20%synergy
Exploration
21%inclusion7 decks34 decks
7%synergy
Primal Vigor
21%inclusion7 decks34 decks
17%synergy
Defense of the Heart
21%inclusion7 decks34 decks
18%synergy
Growing Rites of Itlimoc
21%inclusion7 decks34 decks
15%synergy
Wild Growth
18%inclusion6 decks34 decks
9%synergy
Unnatural Growth
18%inclusion6 decks34 decks
14%synergy
Utopia Sprawl
15%inclusion5 decks34 decks
8%synergy
Cryptolith Rite
15%inclusion5 decks34 decks
12%synergy
Burgeoning
15%inclusion5 decks34 decks
8%synergy
Garruk's Uprising
12%inclusion4 decks34 decks
-5%synergy
Kenrith's Transformation
12%inclusion4 decks34 decks
7%synergy
Opposition
12%inclusion4 decks34 decks
11%synergy
Moonlit Meditation
11%inclusion2 decks18 decks
10%synergy
Imprisoned in the Moon
8.8%inclusion3 decks34 decks
5%synergy
Extravagant Replication
8.8%inclusion3 decks34 decks
6%synergy
Wilderness Reclamation
8.8%inclusion3 decks34 decks
0%synergy
Song of the Dryads
8.8%inclusion3 decks34 decks
7%synergy
Dismiss into Dream
8.8%inclusion3 decks34 decks
9%synergy
Paradox Haze
8.8%inclusion3 decks34 decks
8%synergy
Impostor Syndrome
6.7%inclusion1 decks15 decks
5%synergy
Dissipation Field
5.9%inclusion2 decks34 decks
5%synergy
Wizard Class
5.9%inclusion2 decks34 decks
0%synergy
Rites of Flourishing
5.9%inclusion2 decks34 decks
4%synergy
Omniscience
5.9%inclusion2 decks34 decks
1%synergy
Battles
Invasion of Zendikar
5.9%inclusion2 decks34 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
56%inclusion19 decks34 decks
49%synergy
Utility Lands
Reliquary Tower
79%inclusion27 decks34 decks
30%synergy
Boseiju, Who Endures
59%inclusion20 decks34 decks
37%synergy
Yavimaya, Cradle of Growth
41%inclusion14 decks34 decks
19%synergy
Command Beacon
38%inclusion13 decks34 decks
34%synergy
Mistrise Village
33%inclusion9 decks27 decks
23%synergy
Otawara, Soaring City
29%inclusion10 decks34 decks
10%synergy
Three Tree City
26%inclusion9 decks34 decks
21%synergy
Evendo, Waking Haven
26%inclusion5 decks19 decks
21%synergy
Temple of the False God
24%inclusion8 decks34 decks
8%synergy
Mystic Sanctuary
15%inclusion5 decks34 decks
2%synergy
Alchemist's Refuge
15%inclusion5 decks34 decks
-3%synergy
Homeward Path
12%inclusion4 decks34 decks
10%synergy
Castle Garenbrig
12%inclusion4 decks34 decks
7%synergy
Rogue's Passage
12%inclusion4 decks34 decks
-10%synergy
Urza's Saga
8.8%inclusion3 decks34 decks
3%synergy
Scavenger Grounds
8.8%inclusion3 decks34 decks
5%synergy
Shifting Woodland
8.8%inclusion3 decks34 decks
2%synergy
Wasteland
5.9%inclusion2 decks34 decks
5%synergy
Rivendell
5.9%inclusion2 decks34 decks
0%synergy
Coral Atoll
5.9%inclusion2 decks34 decks
3%synergy
Yavimaya Hollow
5.9%inclusion2 decks34 decks
5%synergy
Mirrorpool
5.9%inclusion2 decks34 decks
5%synergy
Glacial Chasm
5.9%inclusion2 decks34 decks
5%synergy
Field of the Dead
5.9%inclusion2 decks34 decks
0%synergy
Thespian's Stage
5.9%inclusion2 decks34 decks
-1%synergy
Lumbering Falls
5.9%inclusion2 decks34 decks
-1%synergy
Strip Mine
5.9%inclusion2 decks34 decks
3%synergy
Jungle Basin
5.9%inclusion2 decks34 decks
3%synergy
Mana Artifacts
Sol Ring
100%inclusion34 decks34 decks
19%synergy
Arcane Signet
88%inclusion30 decks34 decks
25%synergy
Talisman of Curiosity
32%inclusion11 decks34 decks
11%synergy
Simic Signet
29%inclusion10 decks34 decks
-3%synergy
Thought Vessel
29%inclusion10 decks34 decks
9%synergy
Basalt Monolith
15%inclusion5 decks34 decks
8%synergy
Mana Vault
15%inclusion5 decks34 decks
8%synergy
Fellwar Stone
8.8%inclusion3 decks34 decks
-1%synergy
Thran Dynamo
8.8%inclusion3 decks34 decks
6%synergy
Commander's Sphere
5.9%inclusion2 decks34 decks
-2%synergy
Chromatic Lantern
5.9%inclusion2 decks34 decks
4%synergy
Chrome Mox
5.9%inclusion2 decks34 decks
-1%synergy
Lands
Command Tower
100%inclusion34 decks34 decks
15%synergy
Forest
91%inclusion31 decks34 decks
-4%synergy
Island
88%inclusion30 decks34 decks
-7%synergy
Breeding Pool
85%inclusion29 decks34 decks
40%synergy
Rejuvenating Springs
76%inclusion26 decks34 decks
33%synergy
Dreamroot Cascade
74%inclusion25 decks34 decks
32%synergy
Misty Rainforest
68%inclusion23 decks34 decks
36%synergy
Yavimaya Coast
62%inclusion21 decks34 decks
9%synergy
Hinterland Harbor
62%inclusion21 decks34 decks
2%synergy
Barkchannel Pathway
59%inclusion20 decks34 decks
39%synergy
Simic Growth Chamber
50%inclusion17 decks34 decks
2%synergy
Flooded Grove
47%inclusion16 decks34 decks
6%synergy
Willowrush Verge
39%inclusion13 decks33 decks
23%synergy
Tropical Island
32%inclusion11 decks34 decks
18%synergy
Bala Ged Recovery
29%inclusion10 decks34 decks
19%synergy
Fabled Passage
26%inclusion9 decks34 decks
12%synergy
Hedge Maze
26%inclusion9 decks34 decks
7%synergy
Exotic Orchard
24%inclusion8 decks34 decks
0%synergy
Vineglimmer Snarl
21%inclusion7 decks34 decks
-18%synergy
Snow-Covered Island
21%inclusion7 decks34 decks
14%synergy
Snow-Covered Forest
21%inclusion7 decks34 decks
14%synergy
Waterlogged Grove
21%inclusion7 decks34 decks
0%synergy
Sink into Stupor
21%inclusion7 decks34 decks
9%synergy
Myriad Landscape
18%inclusion6 decks34 decks
-4%synergy
Sea Gate Restoration
18%inclusion6 decks34 decks
12%synergy
Reflecting Pool
18%inclusion6 decks34 decks
15%synergy
Botanical Sanctum
18%inclusion6 decks34 decks
5%synergy
Rimewood Falls
18%inclusion6 decks34 decks
8%synergy
Evolving Wilds
18%inclusion6 decks34 decks
-7%synergy
Windswept Heath
15%inclusion5 decks34 decks
4%synergy
Temple of Mystery
15%inclusion5 decks34 decks
-24%synergy
Glasspool Mimic
15%inclusion5 decks34 decks
10%synergy
Flooded Strand
15%inclusion5 decks34 decks
4%synergy
Terramorphic Expanse
12%inclusion4 decks34 decks
-8%synergy
Verdant Catacombs
12%inclusion4 decks34 decks
2%synergy
Cavern of Souls
12%inclusion4 decks34 decks
6%synergy
Bridgeworks Battle
12%inclusion4 decks34 decks
7%synergy
Prismatic Vista
8.8%inclusion3 decks34 decks
1%synergy
Blighted Woodland
8.8%inclusion3 decks34 decks
1%synergy
Tangled Islet
8.8%inclusion3 decks34 decks
-8%synergy
Thriving Isle
8.8%inclusion3 decks34 decks
7%synergy
Thornwood Falls
8.8%inclusion3 decks34 decks
-9%synergy
Vibrant Cityscape
7.1%inclusion1 decks14 decks
5%synergy
Overflowing Basin
5.9%inclusion2 decks34 decks
-13%synergy
Talon Gates of Madara
5.9%inclusion2 decks34 decks
-2%synergy
Path of Ancestry
5.9%inclusion2 decks34 decks
-11%synergy
Scalding Tarn
5.9%inclusion2 decks34 decks
-4%synergy
Mana Confluence
5.9%inclusion2 decks34 decks
0%synergy
Polluted Delta
5.9%inclusion2 decks34 decks
-5%synergy
City of Brass
5.9%inclusion2 decks34 decks
0%synergy