The Monstrous Serpent (Commander) - Clones

Original Name:

Koma, Cosmos SerpentKoma, Cosmos Serpent

The Monstrous Serpent
Rank #308
285decks
As CommanderAs CardAverage DeckDecks
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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 Unagi of Kyoshi Island
16%inclusion11 decks67 decks
11%synergy
Tam, Mindful First-Year
15%inclusion4 decks26 decks
14%synergy
Loch Mare
7.7%inclusion2 decks26 decks
7%synergy
Sodden Verdure
6.9%inclusion2 decks29 decks
3%synergy
Badgermole Cub
5.9%inclusion4 decks68 decks
1%synergy
High Synergy Cards
Adrix and Nev, Twincasters
88%inclusion251 decks285 decks
80%synergy
Spark Double
87%inclusion247 decks285 decks
77%synergy
Sakashima of a Thousand Faces
79%inclusion226 decks285 decks
74%synergy
Elemental Bond
74%inclusion211 decks285 decks
68%synergy
Irenicus's Vile Duplication
73%inclusion209 decks285 decks
67%synergy
Whelming Wave
73%inclusion209 decks285 decks
62%synergy
Sakashima the Impostor
65%inclusion184 decks285 decks
62%synergy
Parallel Lives
67%inclusion190 decks285 decks
61%synergy
Double Major
66%inclusion187 decks285 decks
57%synergy
Helm of the Host
59%inclusion169 decks285 decks
54%synergy
Top Cards
Cultivate
81%inclusion231 decks285 decks
34%synergy
Counterspell
73%inclusion207 decks285 decks
23%synergy
Kodama's Reach
72%inclusion206 decks285 decks
36%synergy
Rampant Growth
68%inclusion193 decks285 decks
27%synergy
Heroic Intervention
62%inclusion178 decks285 decks
32%synergy
Beast Within
62%inclusion177 decks285 decks
12%synergy
Koma, World-Eater
60%inclusion121 decks202 decks
47%synergy
Nature's Lore
59%inclusion168 decks285 decks
28%synergy
Doubling Season
57%inclusion162 decks285 decks
47%synergy
Serpent of Yawning Depths
55%inclusion158 decks285 decks
49%synergy
Game Changers
Cyclonic Rift
52%inclusion149 decks285 decks
27%synergy
Rhystic Study
46%inclusion131 decks285 decks
24%synergy
Fierce Guardianship
42%inclusion119 decks285 decks
24%synergy
Worldly Tutor
26%inclusion74 decks285 decks
11%synergy
Seedborn Muse
26%inclusion73 decks285 decks
10%synergy
Consecrated Sphinx
24%inclusion67 decks285 decks
15%synergy
Force of Will
17%inclusion49 decks285 decks
7%synergy
Ancient Tomb
16%inclusion46 decks285 decks
7%synergy
Mystical Tutor
16%inclusion46 decks285 decks
7%synergy
Gaea's Cradle
9.5%inclusion27 decks285 decks
2%synergy
Creatures
Junk Winder
52%inclusion147 decks285 decks
45%synergy
Aesi, Tyrant of Gyre Strait
52%inclusion147 decks285 decks
34%synergy
Birds of Paradise
51%inclusion145 decks285 decks
23%synergy
Llanowar Elves
47%inclusion134 decks285 decks
19%synergy
Spawning Kraken
47%inclusion134 decks285 decks
40%synergy
Craterhoof Behemoth
39%inclusion110 decks285 decks
29%synergy
Murkfiend Liege
36%inclusion102 decks285 decks
21%synergy
Elvish Mystic
35%inclusion101 decks285 decks
11%synergy
Roaming Throne
34%inclusion97 decks285 decks
26%synergy
Sakura-Tribe Elder
34%inclusion97 decks285 decks
15%synergy
Esix, Fractal Bloom
33%inclusion95 decks285 decks
30%synergy
Clever Impersonator
32%inclusion92 decks285 decks
27%synergy
Phyrexian Metamorph
31%inclusion89 decks285 decks
22%synergy
Glasspool Mimic
31%inclusion89 decks285 decks
27%synergy
Progenitor Mimic
30%inclusion86 decks285 decks
26%synergy
Summon: Leviathan
30%inclusion37 decks123 decks
23%synergy
Eternal Witness
30%inclusion85 decks285 decks
9%synergy
Fyndhorn Elves
28%inclusion81 decks285 decks
13%synergy
Garruk's Packleader
28%inclusion81 decks285 decks
26%synergy
Octomancer
28%inclusion65 decks229 decks
24%synergy
Arixmethes, Slumbering Isle
28%inclusion80 decks285 decks
15%synergy
Tatyova, Benthic Druid
25%inclusion72 decks285 decks
-6%synergy
Enduring Vitality
25%inclusion54 decks220 decks
17%synergy
Auton Soldier
24%inclusion67 decks285 decks
21%synergy
Ohran Frostfang
23%inclusion66 decks285 decks
19%synergy
Fanatic of Rhonas
20%inclusion49 decks243 decks
14%synergy
Mirror Image
19%inclusion54 decks285 decks
18%synergy
Clone
19%inclusion53 decks285 decks
17%synergy
Stunt Double
18%inclusion52 decks285 decks
17%synergy
Chameleon, Master of Disguise
18%inclusion16 decks88 decks
16%synergy
Archetype of Imagination
17%inclusion49 decks285 decks
13%synergy
Starwinder
16%inclusion17 decks105 decks
10%synergy
Undercover Operative
16%inclusion46 decks285 decks
15%synergy
Curiosity Crafter
15%inclusion44 decks285 decks
12%synergy
Phantasmal Image
15%inclusion44 decks285 decks
12%synergy
Hullbreaker Horror
15%inclusion42 decks285 decks
-3%synergy
Azusa, Lost but Seeking
14%inclusion39 decks285 decks
0%synergy
Coiling Oracle
13%inclusion38 decks285 decks
0%synergy
Slinn Voda, the Rising Deep
12%inclusion35 decks285 decks
6%synergy
Circle of Dreams Druid
12%inclusion34 decks285 decks
10%synergy
Mirrorhall Mimic
12%inclusion33 decks285 decks
10%synergy
Vizier of Many Faces
12%inclusion33 decks285 decks
11%synergy
Toski, Bearer of Secrets
11%inclusion32 decks285 decks
8%synergy
Uro, Titan of Nature's Wrath
11%inclusion32 decks285 decks
1%synergy
Pirated Copy
11%inclusion32 decks285 decks
11%synergy
Jaheira, Friend of the Forest
11%inclusion30 decks285 decks
7%synergy
Delighted Halfling
11%inclusion30 decks285 decks
-1%synergy
Troyan, Gutsy Explorer
11%inclusion30 decks285 decks
7%synergy
Scute Swarm
10%inclusion29 decks285 decks
-11%synergy
Altered Ego
10%inclusion28 decks285 decks
8%synergy
Instants
Growth Spiral
51%inclusion146 decks285 decks
7%synergy
Second Harvest
48%inclusion136 decks285 decks
41%synergy
Mana Drain
42%inclusion120 decks285 decks
26%synergy
Arcane Denial
35%inclusion101 decks285 decks
13%synergy
Negate
35%inclusion99 decks285 decks
9%synergy
An Offer You Can't Refuse
34%inclusion97 decks285 decks
11%synergy
Pongify
33%inclusion93 decks285 decks
8%synergy
Rapid Hybridization
31%inclusion87 decks285 decks
4%synergy
Swan Song
30%inclusion85 decks285 decks
11%synergy
Cackling Counterpart
25%inclusion71 decks285 decks
22%synergy
Return of the Wildspeaker
24%inclusion69 decks285 decks
14%synergy
Krosan Grip
21%inclusion61 decks285 decks
14%synergy
Nature's Claim
18%inclusion51 decks285 decks
8%synergy
Mystic Reflection
18%inclusion50 decks285 decks
15%synergy
Sublime Epiphany
16%inclusion46 decks285 decks
14%synergy
Reality Shift
15%inclusion44 decks285 decks
1%synergy
Tamiyo's Safekeeping
15%inclusion44 decks285 decks
10%synergy
Harrow
15%inclusion43 decks285 decks
3%synergy
Planar Genesis
14%inclusion34 decks243 decks
3%synergy
Chord of Calling
14%inclusion39 decks285 decks
6%synergy
Sink into Stupor
14%inclusion33 decks244 decks
2%synergy
Brainstorm
13%inclusion38 decks285 decks
-1%synergy
See Double
13%inclusion37 decks285 decks
11%synergy
Voidslime
11%inclusion32 decks285 decks
6%synergy
Simic Charm
11%inclusion32 decks285 decks
3%synergy
Pact of Negation
10%inclusion29 decks285 decks
3%synergy
Noxious Revival
10%inclusion28 decks285 decks
4%synergy
Force of Negation
10%inclusion28 decks285 decks
1%synergy
Plasm Capture
10%inclusion28 decks285 decks
6%synergy
Archdruid's Charm
9.5%inclusion27 decks285 decks
3%synergy
Snakeskin Veil
9.5%inclusion27 decks285 decks
4%synergy
Return to Nature
9.1%inclusion26 decks285 decks
4%synergy
Stubborn Denial
8.8%inclusion25 decks285 decks
6%synergy
Perplexing Test
8.4%inclusion24 decks285 decks
4%synergy
Resculpt
8.1%inclusion23 decks285 decks
2%synergy
Three Steps Ahead
7.6%inclusion20 decks264 decks
5%synergy
Narset's Reversal
7.0%inclusion20 decks285 decks
5%synergy
Eureka Moment
7.0%inclusion20 decks285 decks
-4%synergy
Disallow
7.0%inclusion20 decks285 decks
5%synergy
Force of Vigor
6.7%inclusion19 decks285 decks
2%synergy
Tyvar's Stand
6.3%inclusion18 decks285 decks
4%synergy
Entish Restoration
6.0%inclusion17 decks285 decks
-3%synergy
Lazotep Plating
6.0%inclusion17 decks285 decks
5%synergy
Fated Infatuation
5.6%inclusion16 decks285 decks
5%synergy
Auroral Procession
5.1%inclusion7 decks136 decks
1%synergy
Sorceries
Farseek
55%inclusion158 decks285 decks
30%synergy
Three Visits
52%inclusion148 decks285 decks
29%synergy
Quantum Misalignment
48%inclusion138 decks285 decks
46%synergy
Rite of Replication
44%inclusion124 decks285 decks
36%synergy
Skyshroud Claim
35%inclusion100 decks285 decks
26%synergy
Quasiduplicate
26%inclusion74 decks285 decks
23%synergy
Explore
21%inclusion60 decks285 decks
1%synergy
Triumph of the Hordes
16%inclusion47 decks285 decks
14%synergy
Bala Ged Recovery
16%inclusion47 decks285 decks
7%synergy
Finale of Devastation
16%inclusion45 decks285 decks
4%synergy
Overwhelming Stampede
16%inclusion45 decks285 decks
4%synergy
Croaking Counterpart
13%inclusion38 decks285 decks
9%synergy
Doppelgang
13%inclusion37 decks285 decks
6%synergy
Migration Path
13%inclusion36 decks285 decks
9%synergy
Shamanic Revelation
12%inclusion35 decks285 decks
7%synergy
Distant Melody
11%inclusion30 decks285 decks
7%synergy
Rishkar's Expertise
10%inclusion29 decks285 decks
2%synergy
Sea Gate Restoration
10%inclusion28 decks285 decks
4%synergy
Spitting Image
9.1%inclusion26 decks285 decks
7%synergy
Regrowth
9.1%inclusion26 decks285 decks
5%synergy
Explosive Vegetation
8.8%inclusion25 decks285 decks
3%synergy
Repudiate // Replicate
8.1%inclusion23 decks285 decks
6%synergy
Green Sun's Zenith
7.7%inclusion22 decks285 decks
-1%synergy
Fabricate
7.4%inclusion21 decks285 decks
1%synergy
Replication Technique
7.0%inclusion20 decks285 decks
4%synergy
Urban Evolution
7.0%inclusion20 decks285 decks
-2%synergy
Flare of Cultivation
6.9%inclusion19 decks274 decks
5%synergy
Harmonize
6.3%inclusion18 decks285 decks
1%synergy
Into the North
6.0%inclusion17 decks285 decks
5%synergy
Curse of the Swine
6.0%inclusion17 decks285 decks
-5%synergy
Ravenform
6.0%inclusion17 decks285 decks
2%synergy
Bridgeworks Battle
5.3%inclusion13 decks244 decks
1%synergy
Rally the Galadhrim
5.3%inclusion15 decks285 decks
4%synergy
Ponder
5.3%inclusion15 decks285 decks
-2%synergy
Utility Artifacts
Mirror Box
48%inclusion137 decks285 decks
45%synergy
Swiftfoot Boots
46%inclusion131 decks285 decks
20%synergy
Lightning Greaves
45%inclusion128 decks285 decks
23%synergy
Combine Chrysalis
30%inclusion86 decks285 decks
26%synergy
Mirror Gallery
21%inclusion61 decks285 decks
21%synergy
Eldrazi Monument
14%inclusion40 decks285 decks
13%synergy
The Great Henge
13%inclusion38 decks285 decks
4%synergy
Emerald Medallion
13%inclusion37 decks285 decks
10%synergy
Sapphire Medallion
11%inclusion30 decks285 decks
7%synergy
Idol of Oblivion
10%inclusion28 decks285 decks
6%synergy
Bident of Thassa
7.4%inclusion21 decks285 decks
0%synergy
Lithoform Engine
7.0%inclusion20 decks285 decks
6%synergy
Coat of Arms
6.0%inclusion17 decks285 decks
5%synergy
Skullclamp
5.3%inclusion15 decks285 decks
4%synergy
Enchantments
Tribute to the World Tree
51%inclusion145 decks285 decks
45%synergy
Mystic Remora
34%inclusion96 decks285 decks
18%synergy
Kindred Discovery
31%inclusion88 decks285 decks
21%synergy
Extravagant Replication
25%inclusion70 decks285 decks
22%synergy
Primal Vigor
22%inclusion63 decks285 decks
19%synergy
Sylvan Library
20%inclusion58 decks285 decks
11%synergy
Growing Rites of Itlimoc
20%inclusion57 decks285 decks
14%synergy
Cryptolith Rite
20%inclusion57 decks285 decks
17%synergy
Paradox Haze
16%inclusion47 decks285 decks
16%synergy
Beastmaster Ascension
16%inclusion46 decks285 decks
13%synergy
Exploration
15%inclusion44 decks285 decks
2%synergy
Wild Growth
15%inclusion43 decks285 decks
6%synergy
Vesuvan Duplimancy
13%inclusion38 decks285 decks
11%synergy
Utopia Sprawl
12%inclusion35 decks285 decks
6%synergy
Moonlit Meditation
11%inclusion12 decks105 decks
10%synergy
Garruk's Uprising
11%inclusion31 decks285 decks
-6%synergy
Propaganda
11%inclusion30 decks285 decks
4%synergy
Impostor Syndrome
10%inclusion9 decks89 decks
8%synergy
Followed Footsteps
10%inclusion28 decks285 decks
9%synergy
Defense of the Heart
10%inclusion28 decks285 decks
8%synergy
Asceticism
9.5%inclusion27 decks285 decks
6%synergy
Burgeoning
8.8%inclusion25 decks285 decks
2%synergy
Wilderness Reclamation
8.4%inclusion24 decks285 decks
-1%synergy
Imprisoned in the Moon
7.0%inclusion20 decks285 decks
3%synergy
Mirror Room // Fractured Realm
6.8%inclusion15 decks222 decks
5%synergy
Kenrith's Transformation
6.3%inclusion18 decks285 decks
2%synergy
Unnatural Growth
6.3%inclusion18 decks285 decks
3%synergy
Dismiss into Dream
6.0%inclusion17 decks285 decks
6%synergy
Opposition
6.0%inclusion17 decks285 decks
6%synergy
Planeswalkers
Oko, Thief of Crowns
29%inclusion82 decks285 decks
22%synergy
Utility Lands
Reliquary Tower
64%inclusion182 decks285 decks
14%synergy
Yavimaya, Cradle of Growth
31%inclusion87 decks285 decks
8%synergy
Boseiju, Who Endures
30%inclusion86 decks285 decks
8%synergy
Command Beacon
28%inclusion80 decks285 decks
24%synergy
Otawara, Soaring City
22%inclusion64 decks285 decks
3%synergy
Mystic Sanctuary
21%inclusion59 decks285 decks
8%synergy
Temple of the False God
20%inclusion58 decks285 decks
5%synergy
Three Tree City
20%inclusion47 decks232 decks
15%synergy
Castle Garenbrig
18%inclusion50 decks285 decks
13%synergy
Mistrise Village
17%inclusion23 decks136 decks
6%synergy
Mosswort Bridge
16%inclusion47 decks285 decks
-1%synergy
Alchemist's Refuge
15%inclusion43 decks285 decks
-2%synergy
Evendo, Waking Haven
13%inclusion14 decks107 decks
8%synergy
Rogue's Passage
9.1%inclusion26 decks285 decks
-13%synergy
Restless Vinestalk
7.0%inclusion20 decks285 decks
2%synergy
Lumbering Falls
5.3%inclusion15 decks285 decks
-1%synergy
Mana Artifacts
Sol Ring
95%inclusion272 decks285 decks
15%synergy
Arcane Signet
83%inclusion237 decks285 decks
20%synergy
Simic Signet
45%inclusion127 decks285 decks
13%synergy
Talisman of Curiosity
37%inclusion105 decks285 decks
15%synergy
Thought Vessel
35%inclusion100 decks285 decks
15%synergy
Fellwar Stone
11%inclusion30 decks285 decks
1%synergy
Commander's Sphere
8.8%inclusion25 decks285 decks
1%synergy
Decanter of Endless Water
8.8%inclusion25 decks285 decks
4%synergy
Thran Dynamo
8.1%inclusion23 decks285 decks
5%synergy
Mana Vault
7.0%inclusion20 decks285 decks
1%synergy
Lands
Command Tower
93%inclusion266 decks285 decks
8%synergy
Forest
91%inclusion260 decks285 decks
-4%synergy
Island
91%inclusion258 decks285 decks
-5%synergy
Hinterland Harbor
76%inclusion217 decks285 decks
17%synergy
Rejuvenating Springs
70%inclusion200 decks285 decks
26%synergy
Breeding Pool
69%inclusion198 decks285 decks
23%synergy
Yavimaya Coast
67%inclusion191 decks285 decks
14%synergy
Dreamroot Cascade
64%inclusion183 decks285 decks
22%synergy
Simic Growth Chamber
60%inclusion171 decks285 decks
12%synergy
Barkchannel Pathway
50%inclusion143 decks285 decks
30%synergy
Flooded Grove
47%inclusion134 decks285 decks
6%synergy
Misty Rainforest
43%inclusion123 decks285 decks
12%synergy
Vineglimmer Snarl
41%inclusion116 decks285 decks
2%synergy
Temple of Mystery
40%inclusion114 decks285 decks
2%synergy
Myriad Landscape
31%inclusion89 decks285 decks
10%synergy
Glasspool Mimic
31%inclusion89 decks285 decks
27%synergy
Hedge Maze
29%inclusion84 decks285 decks
10%synergy
Waterlogged Grove
28%inclusion79 decks285 decks
7%synergy
Exotic Orchard
27%inclusion78 decks285 decks
3%synergy
Willowrush Verge
25%inclusion41 decks167 decks
8%synergy
Littjara Mirrorlake
22%inclusion62 decks285 decks
18%synergy
Tropical Island
21%inclusion60 decks285 decks
7%synergy
Evolving Wilds
20%inclusion58 decks285 decks
-5%synergy
Rimewood Falls
20%inclusion58 decks285 decks
11%synergy
Fabled Passage
20%inclusion56 decks285 decks
5%synergy
Tangled Islet
18%inclusion50 decks285 decks
1%synergy
Bala Ged Recovery
16%inclusion47 decks285 decks
7%synergy
Botanical Sanctum
15%inclusion44 decks285 decks
3%synergy
Thornwood Falls
15%inclusion42 decks285 decks
-3%synergy
Snow-Covered Forest
14%inclusion41 decks285 decks
8%synergy
Sink into Stupor
14%inclusion33 decks244 decks
2%synergy
Snow-Covered Island
13%inclusion38 decks285 decks
7%synergy
Terramorphic Expanse
12%inclusion35 decks285 decks
-7%synergy
Overflowing Basin
11%inclusion30 decks278 decks
-9%synergy
Reflecting Pool
10%inclusion29 decks285 decks
7%synergy
Sea Gate Restoration
10%inclusion28 decks285 decks
4%synergy
Blighted Woodland
8.8%inclusion25 decks285 decks
1%synergy
Prismatic Vista
8.4%inclusion24 decks285 decks
1%synergy
Windswept Heath
7.0%inclusion20 decks285 decks
-4%synergy
Path of Ancestry
7.0%inclusion20 decks285 decks
-10%synergy
Flooded Strand
6.7%inclusion19 decks285 decks
-5%synergy
Verdant Catacombs
6.3%inclusion18 decks285 decks
-3%synergy
Scalding Tarn
6.0%inclusion17 decks285 decks
-4%synergy
Disciple of Freyalise
5.7%inclusion14 decks244 decks
1%synergy
Hydroelectric Specimen
5.3%inclusion13 decks243 decks
-1%synergy
Bridgeworks Battle
5.3%inclusion13 decks244 decks
1%synergy
Simic Guildgate
5.3%inclusion15 decks285 decks
-5%synergy
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