Koma, Cosmos Serpent (Commander) - Upgraded Control

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #333
38decks
As CommanderAs CardAverage DeckDecks
Bracket
All12345
Budget
Any$$$$
Ezra Sassaman
Mar 12, 2026
Ezra Sassaman
Fun Alternatives for the Top Ten Saltiest Commanders
Is your playgroup tired of your Tergrid deck? (Can't blame them.) Then check out this list of replacements for the saltiest commanders.
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Sorceries
Utility Artifacts
Enchantments
Battles
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Mind into Matter
18%inclusion2 decks11 decks
9%synergy
Planar Engineering
9.1%inclusion1 decks11 decks
4%synergy
Flow State
9.1%inclusion1 decks11 decks
8%synergy
Germination Practicum
9.1%inclusion1 decks11 decks
4%synergy
High Synergy Cards
Elemental Bond
84%inclusion32 decks38 decks
79%synergy
Adrix and Nev, Twincasters
74%inclusion28 decks38 decks
65%synergy
Whelming Wave
74%inclusion28 decks38 decks
63%synergy
Tribute to the World Tree
63%inclusion24 decks38 decks
57%synergy
Irenicus's Vile Duplication
55%inclusion21 decks38 decks
49%synergy
Farseek
74%inclusion28 decks38 decks
48%synergy
Parallel Lives
53%inclusion20 decks38 decks
47%synergy
Spark Double
55%inclusion21 decks38 decks
46%synergy
Serpent of Yawning Depths
50%inclusion19 decks38 decks
44%synergy
Junk Winder
50%inclusion19 decks38 decks
44%synergy
Top Cards
Counterspell
84%inclusion32 decks38 decks
35%synergy
Rampant Growth
71%inclusion27 decks38 decks
31%synergy
Cultivate
71%inclusion27 decks38 decks
25%synergy
Nature's Lore
68%inclusion26 decks38 decks
36%synergy
An Offer You Can't Refuse
66%inclusion25 decks38 decks
43%synergy
Beast Within
63%inclusion24 decks38 decks
14%synergy
Three Visits
61%inclusion23 decks38 decks
35%synergy
Negate
58%inclusion22 decks38 decks
33%synergy
Kodama's Reach
55%inclusion21 decks38 decks
21%synergy
Aesi, Tyrant of Gyre Strait
55%inclusion21 decks38 decks
38%synergy
Game Changers
Cyclonic Rift
42%inclusion16 decks38 decks
19%synergy
Seedborn Muse
34%inclusion13 decks38 decks
18%synergy
Rhystic Study
26%inclusion10 decks38 decks
6%synergy
Fierce Guardianship
26%inclusion10 decks38 decks
10%synergy
Consecrated Sphinx
21%inclusion8 decks38 decks
13%synergy
Crop Rotation
11%inclusion4 decks38 decks
-2%synergy
Force of Will
7.9%inclusion3 decks38 decks
-1%synergy
Worldly Tutor
7.9%inclusion3 decks38 decks
-6%synergy
Ancient Tomb
5.3%inclusion2 decks38 decks
-3%synergy
The One Ring
5.3%inclusion2 decks38 decks
-1%synergy
Creatures
Llanowar Elves
55%inclusion21 decks38 decks
28%synergy
Koma, World-Eater
53%inclusion20 decks38 decks
40%synergy
Arixmethes, Slumbering Isle
50%inclusion19 decks38 decks
37%synergy
Sakura-Tribe Elder
47%inclusion18 decks38 decks
29%synergy
Elvish Mystic
45%inclusion17 decks38 decks
22%synergy
Sakashima of a Thousand Faces
45%inclusion17 decks38 decks
40%synergy
Birds of Paradise
45%inclusion17 decks38 decks
17%synergy
Summon: Leviathan
44%inclusion15 decks34 decks
37%synergy
Craterhoof Behemoth
39%inclusion15 decks38 decks
30%synergy
Sakashima the Impostor
39%inclusion15 decks38 decks
37%synergy
Tatyova, Benthic Druid
37%inclusion14 decks38 decks
7%synergy
Eternal Witness
37%inclusion14 decks38 decks
18%synergy
Hullbreaker Horror
34%inclusion13 decks38 decks
17%synergy
Spawning Kraken
32%inclusion12 decks38 decks
25%synergy
Starwinder
30%inclusion9 decks30 decks
24%synergy
Fyndhorn Elves
29%inclusion11 decks38 decks
15%synergy
Enduring Curiosity
26%inclusion10 decks38 decks
23%synergy
Uro, Titan of Nature's Wrath
26%inclusion10 decks38 decks
17%synergy
Garruk's Packleader
24%inclusion9 decks38 decks
21%synergy
Roaming Throne
21%inclusion8 decks38 decks
14%synergy
Archetype of Imagination
21%inclusion8 decks38 decks
17%synergy
Enduring Vitality
18%inclusion7 decks38 decks
11%synergy
Murkfiend Liege
18%inclusion7 decks38 decks
5%synergy
Irma, Part-Time Mutant
17%inclusion3 decks18 decks
14%synergy
Octomancer
16%inclusion6 decks38 decks
11%synergy
Scourge of Fleets
16%inclusion6 decks38 decks
8%synergy
Hydroelectric Specimen
16%inclusion6 decks38 decks
10%synergy
Toski, Bearer of Secrets
16%inclusion6 decks38 decks
13%synergy
Tam, Mindful First-Year
14%inclusion3 decks21 decks
12%synergy
Circle of Dreams Druid
13%inclusion5 decks38 decks
11%synergy
Arbor Elf
13%inclusion5 decks38 decks
8%synergy
Slinn Voda, the Rising Deep
13%inclusion5 decks38 decks
7%synergy
Fanatic of Rhonas
13%inclusion5 decks38 decks
8%synergy
Lotus Cobra
13%inclusion5 decks38 decks
1%synergy
Scute Swarm
13%inclusion5 decks38 decks
-6%synergy
Ohran Frostfang
13%inclusion5 decks38 decks
10%synergy
Gala Greeters
13%inclusion5 decks38 decks
12%synergy
The Unagi of Kyoshi Island
11%inclusion3 decks27 decks
6%synergy
Disciple of Freyalise
11%inclusion4 decks38 decks
5%synergy
Wood Elves
11%inclusion4 decks38 decks
5%synergy
Tireless Provisioner
11%inclusion4 decks38 decks
-3%synergy
Selfless Safewright
10%inclusion2 decks21 decks
9%synergy
Solemn Simulacrum
7.9%inclusion3 decks38 decks
1%synergy
Reclamation Sage
7.9%inclusion3 decks38 decks
-5%synergy
Curiosity Crafter
7.9%inclusion3 decks38 decks
5%synergy
Collector Ouphe
7.9%inclusion3 decks38 decks
7%synergy
Grappling Kraken
7.9%inclusion3 decks38 decks
4%synergy
Scavenging Ooze
7.9%inclusion3 decks38 decks
5%synergy
Thrasios, Triton Hero
7.9%inclusion3 decks38 decks
1%synergy
Tender Wildguide
7.9%inclusion3 decks38 decks
7%synergy
Instants
Arcane Denial
55%inclusion21 decks38 decks
33%synergy
Rapid Hybridization
50%inclusion19 decks38 decks
23%synergy
Growth Spiral
47%inclusion18 decks38 decks
3%synergy
Pongify
45%inclusion17 decks38 decks
20%synergy
Heroic Intervention
39%inclusion15 decks38 decks
9%synergy
Return of the Wildspeaker
37%inclusion14 decks38 decks
27%synergy
Swan Song
34%inclusion13 decks38 decks
16%synergy
Double Major
34%inclusion13 decks38 decks
26%synergy
Stubborn Denial
32%inclusion12 decks38 decks
29%synergy
Planar Genesis
32%inclusion12 decks38 decks
20%synergy
Mana Drain
29%inclusion11 decks38 decks
14%synergy
Harrow
26%inclusion10 decks38 decks
15%synergy
Reality Shift
26%inclusion10 decks38 decks
12%synergy
Entish Restoration
24%inclusion9 decks38 decks
15%synergy
Tamiyo's Safekeeping
24%inclusion9 decks38 decks
19%synergy
Second Harvest
21%inclusion8 decks38 decks
15%synergy
Nature's Claim
21%inclusion8 decks38 decks
12%synergy
Sink into Stupor
21%inclusion8 decks38 decks
9%synergy
Force of Vigor
18%inclusion7 decks38 decks
14%synergy
Aetherize
18%inclusion7 decks38 decks
6%synergy
Eureka Moment
16%inclusion6 decks38 decks
4%synergy
Plasm Capture
16%inclusion6 decks38 decks
13%synergy
Brainstorm
16%inclusion6 decks38 decks
1%synergy
Tyvar's Stand
16%inclusion6 decks38 decks
12%synergy
Chord of Calling
16%inclusion6 decks38 decks
9%synergy
Rewind
16%inclusion6 decks38 decks
13%synergy
Auroral Procession
14%inclusion5 decks36 decks
10%synergy
Consult the Star Charts
13%inclusion4 decks30 decks
12%synergy
Snakeskin Veil
13%inclusion5 decks38 decks
7%synergy
Krosan Grip
13%inclusion5 decks38 decks
6%synergy
Force of Negation
13%inclusion5 decks38 decks
6%synergy
Voidslime
13%inclusion5 decks38 decks
8%synergy
Muddle the Mixture
11%inclusion4 decks38 decks
7%synergy
Frantic Search
11%inclusion4 decks38 decks
4%synergy
Three Steps Ahead
11%inclusion4 decks38 decks
8%synergy
Flare of Denial
11%inclusion4 decks38 decks
8%synergy
Mystic Reflection
11%inclusion4 decks38 decks
8%synergy
Roiling Regrowth
11%inclusion4 decks38 decks
7%synergy
Resculpt
11%inclusion4 decks38 decks
5%synergy
Slip Out the Back
11%inclusion4 decks38 decks
7%synergy
Joint Exploration
11%inclusion4 decks38 decks
5%synergy
Pull from Tomorrow
11%inclusion4 decks38 decks
6%synergy
Collective Resistance
11%inclusion4 decks38 decks
7%synergy
Mana Leak
11%inclusion4 decks38 decks
8%synergy
Disdainful Stroke
7.9%inclusion3 decks38 decks
6%synergy
Fog
7.9%inclusion3 decks38 decks
4%synergy
Decisive Denial
7.9%inclusion3 decks38 decks
2%synergy
Dispel
7.9%inclusion3 decks38 decks
4%synergy
Opt
7.9%inclusion3 decks38 decks
1%synergy
Strix Serenade
7.9%inclusion3 decks38 decks
5%synergy
Sorceries
Skyshroud Claim
50%inclusion19 decks38 decks
41%synergy
Quantum Misalignment
32%inclusion12 decks38 decks
29%synergy
Migration Path
24%inclusion9 decks38 decks
20%synergy
Overwhelming Stampede
21%inclusion8 decks38 decks
9%synergy
Explore
18%inclusion7 decks38 decks
-2%synergy
Bala Ged Recovery
18%inclusion7 decks38 decks
9%synergy
Ponder
16%inclusion6 decks38 decks
9%synergy
Explosive Vegetation
16%inclusion6 decks38 decks
10%synergy
Shared Roots
15%inclusion4 decks27 decks
10%synergy
Triumph of the Hordes
13%inclusion5 decks38 decks
10%synergy
Sea Gate Restoration
13%inclusion5 decks38 decks
8%synergy
Lórien Revealed
13%inclusion5 decks38 decks
10%synergy
Regrowth
13%inclusion5 decks38 decks
10%synergy
Raise the Palisade
13%inclusion5 decks38 decks
7%synergy
Windfall
11%inclusion4 decks38 decks
7%synergy
Replication Technique
11%inclusion4 decks38 decks
7%synergy
Into the North
11%inclusion4 decks38 decks
9%synergy
Bridgeworks Battle
11%inclusion4 decks38 decks
6%synergy
Preordain
11%inclusion4 decks38 decks
3%synergy
Urban Evolution
11%inclusion4 decks38 decks
1%synergy
Open the Way
11%inclusion4 decks38 decks
6%synergy
Glimpse the Core
11%inclusion4 decks38 decks
10%synergy
Consuming Tide
7.9%inclusion3 decks38 decks
6%synergy
Ranger's Path
7.9%inclusion3 decks38 decks
7%synergy
Rishkar's Expertise
7.9%inclusion3 decks38 decks
-1%synergy
Bushwhack
7.9%inclusion3 decks38 decks
6%synergy
Lessons from Life
5.6%inclusion1 decks18 decks
0%synergy
Stock Up
5.4%inclusion2 decks37 decks
4%synergy
Eldritch Evolution
5.3%inclusion2 decks38 decks
3%synergy
Map the Frontier
5.3%inclusion2 decks38 decks
4%synergy
Flare of Cultivation
5.3%inclusion2 decks38 decks
3%synergy
Terramorph
5.3%inclusion2 decks38 decks
5%synergy
Stolen Identity
5.3%inclusion2 decks38 decks
5%synergy
Last March of the Ents
5.3%inclusion2 decks38 decks
2%synergy
Turntimber Symbiosis
5.3%inclusion2 decks38 decks
3%synergy
Neoform
5.3%inclusion2 decks38 decks
2%synergy
Fabricate
5.3%inclusion2 decks38 decks
-1%synergy
Curse of the Swine
5.3%inclusion2 decks38 decks
-6%synergy
Grow from the Ashes
5.3%inclusion2 decks38 decks
3%synergy
Finale of Devastation
5.3%inclusion2 decks38 decks
-6%synergy
Harmonize
5.3%inclusion2 decks38 decks
0%synergy
Rally the Galadhrim
5.3%inclusion2 decks38 decks
4%synergy
Vastwood Surge
5.3%inclusion2 decks38 decks
4%synergy
Search for Tomorrow
5.3%inclusion2 decks38 decks
1%synergy
Spectral Deluge
5.3%inclusion2 decks38 decks
5%synergy
River's Rebuke
5.3%inclusion2 decks38 decks
3%synergy
Ezuri's Predation
5.3%inclusion2 decks38 decks
-2%synergy
Shamanic Revelation
5.3%inclusion2 decks38 decks
0%synergy
Ravenform
5.3%inclusion2 decks38 decks
1%synergy
Hunting Wilds
5.3%inclusion2 decks38 decks
5%synergy
Utility Artifacts
Lightning Greaves
42%inclusion16 decks38 decks
22%synergy
Swiftfoot Boots
29%inclusion11 decks38 decks
4%synergy
Emerald Medallion
21%inclusion8 decks38 decks
18%synergy
Helm of the Host
16%inclusion6 decks38 decks
11%synergy
Sapphire Medallion
16%inclusion6 decks38 decks
12%synergy
Mirror Box
13%inclusion5 decks38 decks
10%synergy
Skullclamp
11%inclusion4 decks38 decks
10%synergy
Combine Chrysalis
11%inclusion4 decks38 decks
6%synergy
Mirrormind Crown
10%inclusion2 decks21 decks
9%synergy
Crawlspace
7.9%inclusion3 decks38 decks
8%synergy
Coat of Arms
5.3%inclusion2 decks38 decks
4%synergy
The Great Henge
5.3%inclusion2 decks38 decks
-4%synergy
Proteus Staff
5.3%inclusion2 decks38 decks
5%synergy
Rhonas's Monument
5.3%inclusion2 decks38 decks
4%synergy
Eldrazi Monument
5.3%inclusion2 decks38 decks
5%synergy
Bident of Thassa
5.3%inclusion2 decks38 decks
-2%synergy
Enchantments
Kindred Discovery
39%inclusion15 decks38 decks
30%synergy
Doubling Season
37%inclusion14 decks38 decks
26%synergy
Mystic Remora
37%inclusion14 decks38 decks
23%synergy
Wild Growth
21%inclusion8 decks38 decks
12%synergy
Growing Rites of Itlimoc
21%inclusion8 decks38 decks
16%synergy
Utopia Sprawl
18%inclusion7 decks38 decks
12%synergy
Cryptolith Rite
16%inclusion6 decks38 decks
13%synergy
Exploration
16%inclusion6 decks38 decks
3%synergy
Propaganda
16%inclusion6 decks38 decks
9%synergy
Verity Circle
13%inclusion5 decks38 decks
13%synergy
Imprisoned in the Moon
13%inclusion5 decks38 decks
9%synergy
Wilderness Reclamation
13%inclusion5 decks38 decks
4%synergy
Primal Vigor
13%inclusion5 decks38 decks
10%synergy
Beastmaster Ascension
11%inclusion4 decks38 decks
8%synergy
Kenrith's Transformation
11%inclusion4 decks38 decks
7%synergy
Dismiss into Dream
11%inclusion4 decks38 decks
10%synergy
Opposition
11%inclusion4 decks38 decks
10%synergy
Springleaf Parade
10%inclusion2 decks21 decks
7%synergy
Asceticism
7.9%inclusion3 decks38 decks
5%synergy
Garruk's Uprising
5.3%inclusion2 decks38 decks
-12%synergy
Unnatural Growth
5.3%inclusion2 decks38 decks
2%synergy
Levitation
5.3%inclusion2 decks38 decks
5%synergy
Mana Reflection
5.3%inclusion2 decks38 decks
0%synergy
Khalni Heart Expedition
5.3%inclusion2 decks38 decks
2%synergy
Ever-Watching Threshold
5.3%inclusion2 decks38 decks
5%synergy
Paradox Haze
5.3%inclusion2 decks38 decks
5%synergy
Defense of the Heart
5.3%inclusion2 decks38 decks
3%synergy
Battles
Invasion of Zendikar
7.9%inclusion3 decks38 decks
6%synergy
Planeswalkers
Oko, Thief of Crowns
26%inclusion10 decks38 decks
20%synergy
Utility Lands
Reliquary Tower
47%inclusion18 decks38 decks
-3%synergy
Boseiju, Who Endures
32%inclusion12 decks38 decks
10%synergy
Mystic Sanctuary
26%inclusion10 decks38 decks
14%synergy
Yavimaya, Cradle of Growth
26%inclusion10 decks38 decks
5%synergy
Otawara, Soaring City
26%inclusion10 decks38 decks
8%synergy
Command Beacon
21%inclusion8 decks38 decks
17%synergy
Temple of the False God
21%inclusion8 decks38 decks
5%synergy
Alchemist's Refuge
18%inclusion7 decks38 decks
0%synergy
Mosswort Bridge
18%inclusion7 decks38 decks
1%synergy
Mistrise Village
14%inclusion5 decks36 decks
3%synergy
Emergence Zone
11%inclusion4 decks38 decks
7%synergy
Dark Depths
11%inclusion4 decks38 decks
4%synergy
Castle Vantress
11%inclusion4 decks38 decks
4%synergy
Three Tree City
11%inclusion4 decks38 decks
6%synergy
Rogue's Passage
11%inclusion4 decks38 decks
-12%synergy
Evendo, Waking Haven
10%inclusion3 decks30 decks
5%synergy
Thespian's Stage
7.9%inclusion3 decks38 decks
1%synergy
Restless Vinestalk
5.3%inclusion2 decks38 decks
1%synergy
Scavenger Grounds
5.3%inclusion2 decks38 decks
1%synergy
War Room
5.3%inclusion2 decks38 decks
4%synergy
Shifting Woodland
5.3%inclusion2 decks38 decks
-1%synergy
Gaea's Cradle
5.3%inclusion2 decks38 decks
-1%synergy
Lumbering Falls
5.3%inclusion2 decks38 decks
-1%synergy
Oran-Rief, the Vastwood
5.3%inclusion2 decks38 decks
-1%synergy
Bonders' Enclave
5.3%inclusion2 decks38 decks
4%synergy
Mana Artifacts
Sol Ring
87%inclusion33 decks38 decks
7%synergy
Arcane Signet
63%inclusion24 decks38 decks
0%synergy
Talisman of Curiosity
32%inclusion12 decks38 decks
10%synergy
Simic Signet
21%inclusion8 decks38 decks
-9%synergy
Thought Vessel
21%inclusion8 decks38 decks
1%synergy
Fellwar Stone
7.9%inclusion3 decks38 decks
-2%synergy
Thran Dynamo
7.9%inclusion3 decks38 decks
5%synergy
Replicating Ring
5.3%inclusion2 decks38 decks
4%synergy
Mind Stone
5.3%inclusion2 decks38 decks
1%synergy
Lands
Island
97%inclusion37 decks38 decks
2%synergy
Forest
97%inclusion37 decks38 decks
2%synergy
Command Tower
89%inclusion34 decks38 decks
4%synergy
Hinterland Harbor
79%inclusion30 decks38 decks
18%synergy
Yavimaya Coast
71%inclusion27 decks38 decks
18%synergy
Breeding Pool
61%inclusion23 decks38 decks
13%synergy
Dreamroot Cascade
58%inclusion22 decks38 decks
13%synergy
Flooded Grove
53%inclusion20 decks38 decks
9%synergy
Rejuvenating Springs
50%inclusion19 decks38 decks
8%synergy
Temple of Mystery
45%inclusion17 decks38 decks
7%synergy
Barkchannel Pathway
42%inclusion16 decks38 decks
22%synergy
Vineglimmer Snarl
39%inclusion15 decks38 decks
0%synergy
Waterlogged Grove
39%inclusion15 decks38 decks
20%synergy
Hedge Maze
39%inclusion15 decks38 decks
20%synergy
Misty Rainforest
37%inclusion14 decks38 decks
6%synergy
Simic Growth Chamber
34%inclusion13 decks38 decks
-12%synergy
Exotic Orchard
32%inclusion12 decks38 decks
7%synergy
Willowrush Verge
27%inclusion10 decks37 decks
9%synergy
Tangled Islet
24%inclusion9 decks38 decks
8%synergy
Fabled Passage
21%inclusion8 decks38 decks
4%synergy
Tropical Island
21%inclusion8 decks38 decks
7%synergy
Sink into Stupor
21%inclusion8 decks38 decks
9%synergy
Sodden Verdure
19%inclusion4 decks21 decks
-1%synergy
Overflowing Basin
18%inclusion7 decks38 decks
-3%synergy
Snow-Covered Forest
18%inclusion7 decks38 decks
13%synergy
Evolving Wilds
18%inclusion7 decks38 decks
-6%synergy
Bala Ged Recovery
18%inclusion7 decks38 decks
9%synergy
Myriad Landscape
16%inclusion6 decks38 decks
-5%synergy
Hydroelectric Specimen
16%inclusion6 decks38 decks
10%synergy
Botanical Sanctum
16%inclusion6 decks38 decks
3%synergy
Rimewood Falls
16%inclusion6 decks38 decks
8%synergy
Sea Gate Restoration
13%inclusion5 decks38 decks
8%synergy
Snow-Covered Island
13%inclusion5 decks38 decks
7%synergy
Thornwood Falls
13%inclusion5 decks38 decks
-4%synergy
Disciple of Freyalise
11%inclusion4 decks38 decks
5%synergy
Windswept Heath
11%inclusion4 decks38 decks
1%synergy
Littjara Mirrorlake
11%inclusion4 decks38 decks
7%synergy
Urza's Cave
11%inclusion4 decks38 decks
6%synergy
Verdant Catacombs
11%inclusion4 decks38 decks
2%synergy
Bridgeworks Battle
11%inclusion4 decks38 decks
6%synergy
Path of Ancestry
11%inclusion4 decks38 decks
-7%synergy
Scalding Tarn
11%inclusion4 decks38 decks
1%synergy
Polluted Delta
11%inclusion4 decks38 decks
1%synergy
Flooded Strand
11%inclusion4 decks38 decks
0%synergy
Terramorphic Expanse
7.9%inclusion3 decks38 decks
-12%synergy
Wooded Foothills
7.9%inclusion3 decks38 decks
-1%synergy
Talon Gates of Madara
7.9%inclusion3 decks38 decks
1%synergy
Plaza of Heroes
7.9%inclusion3 decks38 decks
7%synergy
Silundi Vision
7.9%inclusion3 decks38 decks
7%synergy
Glasspool Mimic
7.9%inclusion3 decks38 decks
4%synergy
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