Koma, Cosmos Serpent (Commander) - Upgraded Control

Alternate Names:

The Monstrous SerpentThe Monstrous Serpent

Koma, Cosmos Serpent
Rank #338
40decks
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
High Synergy Cards
Top Cards
Game Changers
Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Battles
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Elemental Bond
85%inclusion34 decks40 decks
79%synergy
Adrix and Nev, Twincasters
75%inclusion30 decks40 decks
66%synergy
Whelming Wave
73%inclusion29 decks40 decks
62%synergy
Tribute to the World Tree
65%inclusion26 decks40 decks
59%synergy
Irenicus's Vile Duplication
57%inclusion23 decks40 decks
52%synergy
Parallel Lives
55%inclusion22 decks40 decks
49%synergy
Serpent of Yawning Depths
55%inclusion22 decks40 decks
49%synergy
Farseek
75%inclusion30 decks40 decks
49%synergy
Spark Double
57%inclusion23 decks40 decks
49%synergy
An Offer You Can't Refuse
68%inclusion27 decks40 decks
44%synergy
Top Cards
Counterspell
88%inclusion35 decks40 decks
39%synergy
Rampant Growth
75%inclusion30 decks40 decks
35%synergy
Nature's Lore
73%inclusion29 decks40 decks
40%synergy
Cultivate
73%inclusion29 decks40 decks
27%synergy
Beast Within
65%inclusion26 decks40 decks
16%synergy
Three Visits
63%inclusion25 decks40 decks
37%synergy
Kodama's Reach
60%inclusion24 decks40 decks
26%synergy
Negate
60%inclusion24 decks40 decks
35%synergy
Arcane Denial
60%inclusion24 decks40 decks
38%synergy
Aesi, Tyrant of Gyre Strait
57%inclusion23 decks40 decks
40%synergy
Game Changers
Cyclonic Rift
40%inclusion16 decks40 decks
17%synergy
Seedborn Muse
30%inclusion12 decks40 decks
14%synergy
Fierce Guardianship
28%inclusion11 decks40 decks
12%synergy
Rhystic Study
25%inclusion10 decks40 decks
5%synergy
Consecrated Sphinx
20%inclusion8 decks40 decks
12%synergy
Crop Rotation
10%inclusion4 decks40 decks
-2%synergy
Ancient Tomb
7.5%inclusion3 decks40 decks
-1%synergy
Force of Will
7.5%inclusion3 decks40 decks
-2%synergy
Worldly Tutor
7.5%inclusion3 decks40 decks
-6%synergy
Gaea's Cradle
5.0%inclusion2 decks40 decks
-2%synergy
Creatures
Koma, World-Eater
53%inclusion21 decks40 decks
40%synergy
Arixmethes, Slumbering Isle
53%inclusion21 decks40 decks
39%synergy
Junk Winder
50%inclusion20 decks40 decks
44%synergy
Llanowar Elves
50%inclusion20 decks40 decks
22%synergy
Sakura-Tribe Elder
50%inclusion20 decks40 decks
32%synergy
Sakashima of a Thousand Faces
48%inclusion19 decks40 decks
43%synergy
Summon: Leviathan
46%inclusion17 decks37 decks
39%synergy
Elvish Mystic
45%inclusion18 decks40 decks
22%synergy
Birds of Paradise
45%inclusion18 decks40 decks
18%synergy
Sakashima the Impostor
43%inclusion17 decks40 decks
40%synergy
Craterhoof Behemoth
40%inclusion16 decks40 decks
30%synergy
Eternal Witness
38%inclusion15 decks40 decks
19%synergy
Hullbreaker Horror
35%inclusion14 decks40 decks
18%synergy
Tatyova, Benthic Druid
33%inclusion13 decks40 decks
3%synergy
Enduring Curiosity
28%inclusion11 decks40 decks
25%synergy
Fyndhorn Elves
28%inclusion11 decks40 decks
14%synergy
Spawning Kraken
28%inclusion11 decks40 decks
21%synergy
Starwinder
27%inclusion9 decks33 decks
21%synergy
Uro, Titan of Nature's Wrath
25%inclusion10 decks40 decks
16%synergy
Garruk's Packleader
23%inclusion9 decks40 decks
20%synergy
Roaming Throne
20%inclusion8 decks40 decks
13%synergy
Toski, Bearer of Secrets
20%inclusion8 decks40 decks
17%synergy
Ohran Frostfang
20%inclusion8 decks40 decks
16%synergy
Enduring Vitality
18%inclusion7 decks40 decks
10%synergy
Hydroelectric Specimen
18%inclusion7 decks40 decks
11%synergy
Murkfiend Liege
18%inclusion7 decks40 decks
4%synergy
Archetype of Imagination
18%inclusion7 decks40 decks
13%synergy
Octomancer
15%inclusion6 decks40 decks
10%synergy
Arbor Elf
15%inclusion6 decks40 decks
10%synergy
Scourge of Fleets
15%inclusion6 decks40 decks
8%synergy
Irma, Part-Time Mutant
14%inclusion3 decks21 decks
12%synergy
The Unagi of Kyoshi Island
13%inclusion4 decks30 decks
8%synergy
Circle of Dreams Druid
13%inclusion5 decks40 decks
10%synergy
Fanatic of Rhonas
13%inclusion5 decks40 decks
7%synergy
Lotus Cobra
13%inclusion5 decks40 decks
0%synergy
Scute Swarm
13%inclusion5 decks40 decks
-6%synergy
Gala Greeters
13%inclusion5 decks40 decks
11%synergy
Tam, Mindful First-Year
13%inclusion3 decks24 decks
11%synergy
Disciple of Freyalise
10%inclusion4 decks40 decks
5%synergy
Tender Wildguide
10%inclusion4 decks40 decks
9%synergy
Farhaven Elf
10%inclusion4 decks40 decks
6%synergy
Druid of Purification
10%inclusion4 decks40 decks
9%synergy
Slinn Voda, the Rising Deep
10%inclusion4 decks40 decks
4%synergy
Wood Elves
10%inclusion4 decks40 decks
4%synergy
Tireless Provisioner
10%inclusion4 decks40 decks
-4%synergy
Spellskite
10%inclusion4 decks40 decks
6%synergy
Reclamation Sage
7.5%inclusion3 decks40 decks
-5%synergy
Curiosity Crafter
7.5%inclusion3 decks40 decks
4%synergy
Collector Ouphe
7.5%inclusion3 decks40 decks
7%synergy
Scavenging Ooze
7.5%inclusion3 decks40 decks
5%synergy
Instants
Rapid Hybridization
53%inclusion21 decks40 decks
25%synergy
Pongify
48%inclusion19 decks40 decks
23%synergy
Growth Spiral
48%inclusion19 decks40 decks
3%synergy
Heroic Intervention
43%inclusion17 decks40 decks
12%synergy
Return of the Wildspeaker
38%inclusion15 decks40 decks
27%synergy
Swan Song
35%inclusion14 decks40 decks
16%synergy
Stubborn Denial
33%inclusion13 decks40 decks
30%synergy
Double Major
33%inclusion13 decks40 decks
24%synergy
Reality Shift
30%inclusion12 decks40 decks
16%synergy
Planar Genesis
30%inclusion12 decks40 decks
19%synergy
Mana Drain
28%inclusion11 decks40 decks
12%synergy
Tamiyo's Safekeeping
25%inclusion10 decks40 decks
20%synergy
Second Harvest
23%inclusion9 decks40 decks
16%synergy
Nature's Claim
23%inclusion9 decks40 decks
14%synergy
Harrow
23%inclusion9 decks40 decks
11%synergy
Entish Restoration
23%inclusion9 decks40 decks
13%synergy
Sink into Stupor
20%inclusion8 decks40 decks
8%synergy
Tyvar's Stand
18%inclusion7 decks40 decks
13%synergy
Aetherize
18%inclusion7 decks40 decks
5%synergy
Eureka Moment
15%inclusion6 decks40 decks
3%synergy
Plasm Capture
15%inclusion6 decks40 decks
12%synergy
Brainstorm
15%inclusion6 decks40 decks
1%synergy
Force of Vigor
15%inclusion6 decks40 decks
11%synergy
Chord of Calling
15%inclusion6 decks40 decks
8%synergy
Rewind
15%inclusion6 decks40 decks
12%synergy
Auroral Procession
13%inclusion5 decks39 decks
9%synergy
Snakeskin Veil
13%inclusion5 decks40 decks
6%synergy
Krosan Grip
13%inclusion5 decks40 decks
6%synergy
Resculpt
13%inclusion5 decks40 decks
8%synergy
Force of Negation
13%inclusion5 decks40 decks
5%synergy
Collective Resistance
13%inclusion5 decks40 decks
9%synergy
Voidslime
13%inclusion5 decks40 decks
8%synergy
Consult the Star Charts
12%inclusion4 decks33 decks
10%synergy
Muddle the Mixture
10%inclusion4 decks40 decks
6%synergy
Frantic Search
10%inclusion4 decks40 decks
4%synergy
Three Steps Ahead
10%inclusion4 decks40 decks
7%synergy
Decisive Denial
10%inclusion4 decks40 decks
4%synergy
Flare of Denial
10%inclusion4 decks40 decks
7%synergy
Mystic Reflection
10%inclusion4 decks40 decks
8%synergy
Roiling Regrowth
10%inclusion4 decks40 decks
6%synergy
Slip Out the Back
10%inclusion4 decks40 decks
7%synergy
Joint Exploration
10%inclusion4 decks40 decks
5%synergy
Pull from Tomorrow
10%inclusion4 decks40 decks
5%synergy
Mana Leak
10%inclusion4 decks40 decks
8%synergy
Disdainful Stroke
7.5%inclusion3 decks40 decks
6%synergy
Fog
7.5%inclusion3 decks40 decks
4%synergy
Archdruid's Charm
7.5%inclusion3 decks40 decks
2%synergy
Opt
7.5%inclusion3 decks40 decks
0%synergy
Strix Serenade
7.5%inclusion3 decks40 decks
5%synergy
Cancel
7.5%inclusion3 decks40 decks
6%synergy
Sorceries
Skyshroud Claim
50%inclusion20 decks40 decks
41%synergy
Quantum Misalignment
30%inclusion12 decks40 decks
27%synergy
Migration Path
23%inclusion9 decks40 decks
19%synergy
Overwhelming Stampede
23%inclusion9 decks40 decks
10%synergy
Mind into Matter
20%inclusion3 decks15 decks
11%synergy
Triumph of the Hordes
18%inclusion7 decks40 decks
15%synergy
Explore
18%inclusion7 decks40 decks
-3%synergy
Bala Ged Recovery
18%inclusion7 decks40 decks
8%synergy
Ponder
15%inclusion6 decks40 decks
8%synergy
Explosive Vegetation
15%inclusion6 decks40 decks
9%synergy
Shared Roots
13%inclusion4 decks30 decks
8%synergy
Planar Engineering
13%inclusion2 decks15 decks
9%synergy
Sea Gate Restoration
13%inclusion5 decks40 decks
7%synergy
Lórien Revealed
13%inclusion5 decks40 decks
10%synergy
Rishkar's Expertise
13%inclusion5 decks40 decks
3%synergy
Bridgeworks Battle
13%inclusion5 decks40 decks
8%synergy
Regrowth
13%inclusion5 decks40 decks
9%synergy
Raise the Palisade
13%inclusion5 decks40 decks
7%synergy
Windfall
10%inclusion4 decks40 decks
6%synergy
Replication Technique
10%inclusion4 decks40 decks
7%synergy
Consuming Tide
10%inclusion4 decks40 decks
8%synergy
Into the North
10%inclusion4 decks40 decks
9%synergy
Preordain
10%inclusion4 decks40 decks
2%synergy
Urban Evolution
10%inclusion4 decks40 decks
1%synergy
Open the Way
10%inclusion4 decks40 decks
6%synergy
Glimpse the Core
10%inclusion4 decks40 decks
9%synergy
Ranger's Path
7.5%inclusion3 decks40 decks
7%synergy
Turntimber Symbiosis
7.5%inclusion3 decks40 decks
5%synergy
Curse of the Swine
7.5%inclusion3 decks40 decks
-4%synergy
Finale of Devastation
7.5%inclusion3 decks40 decks
-4%synergy
Bushwhack
7.5%inclusion3 decks40 decks
5%synergy
Flow State
6.7%inclusion1 decks15 decks
5%synergy
Germination Practicum
6.7%inclusion1 decks15 decks
1%synergy
Stock Up
5.1%inclusion2 decks39 decks
3%synergy
Green Sun's Zenith
5.0%inclusion2 decks40 decks
-3%synergy
Eldritch Evolution
5.0%inclusion2 decks40 decks
2%synergy
Map the Frontier
5.0%inclusion2 decks40 decks
4%synergy
Flare of Cultivation
5.0%inclusion2 decks40 decks
3%synergy
Terramorph
5.0%inclusion2 decks40 decks
5%synergy
Neoform
5.0%inclusion2 decks40 decks
2%synergy
Fabricate
5.0%inclusion2 decks40 decks
-1%synergy
Grow from the Ashes
5.0%inclusion2 decks40 decks
3%synergy
Harmonize
5.0%inclusion2 decks40 decks
-0%synergy
Vastwood Surge
5.0%inclusion2 decks40 decks
4%synergy
Search for Tomorrow
5.0%inclusion2 decks40 decks
1%synergy
Spectral Deluge
5.0%inclusion2 decks40 decks
4%synergy
River's Rebuke
5.0%inclusion2 decks40 decks
2%synergy
Ezuri's Predation
5.0%inclusion2 decks40 decks
-3%synergy
Shamanic Revelation
5.0%inclusion2 decks40 decks
0%synergy
Ravenform
5.0%inclusion2 decks40 decks
1%synergy
Utility Artifacts
Lightning Greaves
48%inclusion19 decks40 decks
27%synergy
Swiftfoot Boots
28%inclusion11 decks40 decks
3%synergy
Emerald Medallion
20%inclusion8 decks40 decks
17%synergy
Skullclamp
15%inclusion6 decks40 decks
14%synergy
Helm of the Host
15%inclusion6 decks40 decks
10%synergy
Sapphire Medallion
15%inclusion6 decks40 decks
11%synergy
Mirror Box
13%inclusion5 decks40 decks
9%synergy
Combine Chrysalis
13%inclusion5 decks40 decks
8%synergy
Mirrormind Crown
8.3%inclusion2 decks24 decks
8%synergy
Crawlspace
7.5%inclusion3 decks40 decks
7%synergy
Coat of Arms
5.0%inclusion2 decks40 decks
4%synergy
The Great Henge
5.0%inclusion2 decks40 decks
-4%synergy
Proteus Staff
5.0%inclusion2 decks40 decks
5%synergy
Rhonas's Monument
5.0%inclusion2 decks40 decks
4%synergy
Idol of Oblivion
5.0%inclusion2 decks40 decks
2%synergy
Eldrazi Monument
5.0%inclusion2 decks40 decks
4%synergy
Bident of Thassa
5.0%inclusion2 decks40 decks
-2%synergy
Enchantments
Kindred Discovery
40%inclusion16 decks40 decks
31%synergy
Doubling Season
40%inclusion16 decks40 decks
29%synergy
Mystic Remora
40%inclusion16 decks40 decks
26%synergy
Wild Growth
25%inclusion10 decks40 decks
16%synergy
Utopia Sprawl
20%inclusion8 decks40 decks
14%synergy
Growing Rites of Itlimoc
20%inclusion8 decks40 decks
15%synergy
Cryptolith Rite
18%inclusion7 decks40 decks
14%synergy
Exploration
15%inclusion6 decks40 decks
2%synergy
Verity Circle
15%inclusion6 decks40 decks
14%synergy
Propaganda
15%inclusion6 decks40 decks
8%synergy
Imprisoned in the Moon
13%inclusion5 decks40 decks
8%synergy
Wilderness Reclamation
13%inclusion5 decks40 decks
3%synergy
Kenrith's Transformation
13%inclusion5 decks40 decks
9%synergy
Primal Vigor
13%inclusion5 decks40 decks
9%synergy
Beastmaster Ascension
10%inclusion4 decks40 decks
7%synergy
Dismiss into Dream
10%inclusion4 decks40 decks
10%synergy
Opposition
10%inclusion4 decks40 decks
10%synergy
Springleaf Parade
8.3%inclusion2 decks24 decks
6%synergy
Garruk's Uprising
7.5%inclusion3 decks40 decks
-10%synergy
Asceticism
7.5%inclusion3 decks40 decks
4%synergy
Defense of the Heart
7.5%inclusion3 decks40 decks
5%synergy
Unnatural Growth
5.0%inclusion2 decks40 decks
2%synergy
Levitation
5.0%inclusion2 decks40 decks
4%synergy
Leyline of Anticipation
5.0%inclusion2 decks40 decks
1%synergy
Mana Reflection
5.0%inclusion2 decks40 decks
0%synergy
Khalni Heart Expedition
5.0%inclusion2 decks40 decks
2%synergy
Paradox Haze
5.0%inclusion2 decks40 decks
5%synergy
Battles
Invasion of Zendikar
5.0%inclusion2 decks40 decks
4%synergy
Invasion of Segovia
5.0%inclusion2 decks40 decks
4%synergy
Planeswalkers
Oko, Thief of Crowns
28%inclusion11 decks40 decks
21%synergy
Utility Lands
Reliquary Tower
50%inclusion20 decks40 decks
-0%synergy
Mystic Sanctuary
28%inclusion11 decks40 decks
15%synergy
Boseiju, Who Endures
28%inclusion11 decks40 decks
6%synergy
Command Beacon
23%inclusion9 decks40 decks
19%synergy
Yavimaya, Cradle of Growth
23%inclusion9 decks40 decks
2%synergy
Otawara, Soaring City
23%inclusion9 decks40 decks
4%synergy
Temple of the False God
20%inclusion8 decks40 decks
4%synergy
Alchemist's Refuge
18%inclusion7 decks40 decks
-1%synergy
Mosswort Bridge
18%inclusion7 decks40 decks
0%synergy
Mistrise Village
15%inclusion6 decks39 decks
5%synergy
Emergence Zone
10%inclusion4 decks40 decks
6%synergy
Dark Depths
10%inclusion4 decks40 decks
4%synergy
Castle Vantress
10%inclusion4 decks40 decks
3%synergy
Three Tree City
10%inclusion4 decks40 decks
5%synergy
Rogue's Passage
10%inclusion4 decks40 decks
-13%synergy
Evendo, Waking Haven
9.1%inclusion3 decks33 decks
4%synergy
War Room
7.5%inclusion3 decks40 decks
6%synergy
Thespian's Stage
7.5%inclusion3 decks40 decks
1%synergy
Bonders' Enclave
7.5%inclusion3 decks40 decks
6%synergy
Restless Vinestalk
5.0%inclusion2 decks40 decks
0%synergy
Okina, Temple to the Grandfathers
5.0%inclusion2 decks40 decks
5%synergy
Scavenger Grounds
5.0%inclusion2 decks40 decks
1%synergy
Shifting Woodland
5.0%inclusion2 decks40 decks
-1%synergy
Oran-Rief, the Vastwood
5.0%inclusion2 decks40 decks
-1%synergy
Mana Artifacts
Sol Ring
88%inclusion35 decks40 decks
7%synergy
Arcane Signet
65%inclusion26 decks40 decks
2%synergy
Talisman of Curiosity
35%inclusion14 decks40 decks
13%synergy
Simic Signet
23%inclusion9 decks40 decks
-7%synergy
Thought Vessel
23%inclusion9 decks40 decks
3%synergy
Fellwar Stone
7.5%inclusion3 decks40 decks
-2%synergy
Thran Dynamo
7.5%inclusion3 decks40 decks
5%synergy
Replicating Ring
5.0%inclusion2 decks40 decks
3%synergy
Mind Stone
5.0%inclusion2 decks40 decks
1%synergy
Lands
Island
98%inclusion39 decks40 decks
2%synergy
Forest
98%inclusion39 decks40 decks
2%synergy
Command Tower
90%inclusion36 decks40 decks
5%synergy
Hinterland Harbor
80%inclusion32 decks40 decks
18%synergy
Yavimaya Coast
73%inclusion29 decks40 decks
20%synergy
Breeding Pool
60%inclusion24 decks40 decks
13%synergy
Dreamroot Cascade
60%inclusion24 decks40 decks
15%synergy
Flooded Grove
55%inclusion22 decks40 decks
11%synergy
Rejuvenating Springs
53%inclusion21 decks40 decks
10%synergy
Barkchannel Pathway
43%inclusion17 decks40 decks
23%synergy
Waterlogged Grove
43%inclusion17 decks40 decks
23%synergy
Temple of Mystery
43%inclusion17 decks40 decks
5%synergy
Hedge Maze
40%inclusion16 decks40 decks
20%synergy
Vineglimmer Snarl
38%inclusion15 decks40 decks
-2%synergy
Simic Growth Chamber
33%inclusion13 decks40 decks
-14%synergy
Misty Rainforest
33%inclusion13 decks40 decks
2%synergy
Exotic Orchard
33%inclusion13 decks40 decks
8%synergy
Willowrush Verge
26%inclusion10 decks39 decks
7%synergy
Tangled Islet
25%inclusion10 decks40 decks
9%synergy
Fabled Passage
20%inclusion8 decks40 decks
3%synergy
Overflowing Basin
20%inclusion8 decks40 decks
-2%synergy
Tropical Island
20%inclusion8 decks40 decks
6%synergy
Sink into Stupor
20%inclusion8 decks40 decks
8%synergy
Hydroelectric Specimen
18%inclusion7 decks40 decks
11%synergy
Snow-Covered Forest
18%inclusion7 decks40 decks
12%synergy
Evolving Wilds
18%inclusion7 decks40 decks
-7%synergy
Bala Ged Recovery
18%inclusion7 decks40 decks
8%synergy
Myriad Landscape
15%inclusion6 decks40 decks
-5%synergy
Botanical Sanctum
15%inclusion6 decks40 decks
2%synergy
Rimewood Falls
15%inclusion6 decks40 decks
7%synergy
Sea Gate Restoration
13%inclusion5 decks40 decks
7%synergy
Snow-Covered Island
13%inclusion5 decks40 decks
7%synergy
Bridgeworks Battle
13%inclusion5 decks40 decks
8%synergy
Thornwood Falls
13%inclusion5 decks40 decks
-4%synergy
Sodden Verdure
13%inclusion3 decks24 decks
-9%synergy
Disciple of Freyalise
10%inclusion4 decks40 decks
5%synergy
Windswept Heath
10%inclusion4 decks40 decks
0%synergy
Littjara Mirrorlake
10%inclusion4 decks40 decks
7%synergy
Urza's Cave
10%inclusion4 decks40 decks
6%synergy
Verdant Catacombs
10%inclusion4 decks40 decks
1%synergy
Path of Ancestry
10%inclusion4 decks40 decks
-8%synergy
Scalding Tarn
10%inclusion4 decks40 decks
1%synergy
Polluted Delta
10%inclusion4 decks40 decks
0%synergy
Flooded Strand
10%inclusion4 decks40 decks
-1%synergy
Terramorphic Expanse
7.5%inclusion3 decks40 decks
-13%synergy
Turntimber Symbiosis
7.5%inclusion3 decks40 decks
5%synergy
Wooded Foothills
7.5%inclusion3 decks40 decks
-2%synergy
Talon Gates of Madara
7.5%inclusion3 decks40 decks
1%synergy
Silundi Vision
7.5%inclusion3 decks40 decks
7%synergy
Glasspool Mimic
7.5%inclusion3 decks40 decks
3%synergy
About UsContactPrivacy PolicyTerms of Service
Space Cow MediaArchidektCardsphereCommander SpellbookFABRECSpellvoid
Space Cow MediaArchidektCommander's Herald
Commander SpellbookFABRECSpellvoid
EDHREC is unofficial Fan Content permitted under the Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.
next@15 test