EDH Optimizer
Koma, World-Eater
Legendary Creature — Serpent · 3GGUU
Color identity: Green · Blue · Simic
Koma, World-Eater is Simic (green and blue): its deck can only run cards of those colors plus colorless ones.
Rules text:
This spell can't be countered.
Trample, ward {4}
Whenever Koma deals combat damage to a player, create four 3/3 blue Serpent creature tokens named Koma's Coil.
Reference price of the card: €0.60
Average lands in decks for Koma, World-Eater: 37
TokensRampClonesSea Creatures+1/+1 CountersLands MatterAggroVoltron
Build your Koma, World-Eater deck step by step, with in-depth analysis and AI optimization of your list.
🛠️ Build a deck for Koma, World-Eater 📥 Analyze my deck🎲 How the average Koma, World-Eater deck starts over 4,000 games
The list people actually play (the 99 most-included cards, with its average land count), simulated with the EDH Optimizer engine: hands, mulligans, lands, curve and commander. It does not model opponents; it measures whether the plan gets going.
Deck health of the average list: B+ (79/100)
- Consistency97
- Speed68
- Interaction60
- Resilience84
- Closing86
See the cards of the average deck · 99 cards, 37 lands (25 nonbasic, 5 Island, 7 Forest)
Sol Ring · Arcane Signet · Cultivate · Koma, Cosmos Serpent · Rampant Growth · Counterspell · Llanowar Elves · Adrix and Nev, Twincasters · Whelming Wave · Kodama's Reach · Swiftfoot Boots · Growth Spiral · Elemental Bond · Nature's Lore · Beast Within · Serpent of Yawning Depths · Tatyova, Benthic Druid · Aesi, Tyrant of Gyre Strait · Farseek · An Offer You Can't Refuse · Arixmethes, Slumbering Isle · Elvish Mystic · Ohran Frostfang · Doubling Season · Junk Winder · Garruk's Uprising · Heroic Intervention · Negate · Birds of Paradise · Spawning Kraken · Lightning Greaves · Sakura-Tribe Elder · Three Visits · Tribute to the World Tree · Parallel Lives · Fanatic of Rhonas · Return of the Wildspeaker · Skyshroud Claim · Spark Double · Simic Signet · Thought Vessel · Irenicus's Vile Duplication · Summon: Leviathan · Explore · Arcane Denial · Enduring Vitality · Overwhelming Stampede · Enduring Curiosity · Garruk's Packleader · Murkfiend Liege · Pongify · Double Major · Starwinder · Unnatural Growth · Helm of the Host · Cyclonic Rift · Talisman of Curiosity · Aetherize · Loot, Exuberant Explorer · Rapid Hybridization · Craterhoof Behemoth · Fireshrieker · Command Tower · Hinterland Harbor · Dreamroot Cascade · Reliquary Tower · Rogue's Passage · Yavimaya Coast · Flooded Grove · Breeding Pool · Rejuvenating Springs · Simic Growth Chamber · Vineglimmer Snarl · Temple of Mystery · Evolving Wilds · Thornwood Falls · Misty Rainforest · Exotic Orchard · Myriad Landscape · Temple of the False God · Terramorphic Expanse · Yavimaya, Cradle of Growth · Barkchannel Pathway // Tidechannel Pathway · Hedge Maze · Overflowing Basin · Sodden Verdure · Willowrush Verge
🃏 Recommended cards for Koma, World-Eater
The highest-synergy cards in decks for Koma, World-Eater, with their inclusion rate.
| Card | Inclusion | Synergy |
|---|---|---|
| Adrix and Nev, Twincasters | 60% | +51% |
| Whelming Wave | 60% | +50% |
| Koma, Cosmos Serpent | 65% | +50% |
| Elemental Bond | 51% | +45% |
| Serpent of Yawning Depths | 48% | +42% |
| Ohran Frostfang | 44% | +40% |
| Junk Winder | 43% | +37% |
| Llanowar Elves | 61% | +33% |
| Tribute to the World Tree | 39% | +33% |
| Spawning Kraken | 40% | +33% |
| Doubling Season | 43% | +32% |
| Arixmethes, Slumbering Isle | 44% | +31% |
| Parallel Lives | 37% | +31% |
| Fanatic of Rhonas | 35% | +30% |
| Aesi, Tyrant of Gyre Strait | 47% | +29% |
| Swiftfoot Boots | 53% | +28% |
| Garruk's Packleader | 29% | +27% |
| Spark Double | 35% | +26% |
| Irenicus's Vile Duplication | 32% | +26% |
| Enduring Curiosity | 29% | +26% |
| Rogue's Passage | 49% | +25% |
| Skyshroud Claim | 35% | +25% |
| Kodama's Reach | 59% | +25% |
| Summon: Leviathan | 32% | +25% |
💰 The best cards for your Koma, World-Eater deck, by budget
Three tiers based on the maximum price PER CARD you are willing to pay. Paste your list and hit Optimize: you pick that cap and the AI only suggests swaps that fit under it.
Tier 1 · Budget up to €2/card
The most value for almost nothing. Coming from a precon? Start here.
- Whelming Wave
- Junk Winder
- Llanowar Elves
- Arixmethes, Slumbering Isle
- Swiftfoot Boots
- Garruk's Packleader
Tier 2 · Balanced up to €10/card
The real step up: pieces that are no longer cheap but still sensible.
- Adrix and Nev, Twincasters
- Koma, Cosmos Serpent
- Elemental Bond
- Serpent of Yawning Depths
- Ohran Frostfang
- Spark Double
Tier 3 · No cap no cap
The cards your price cap was hiding from you.
- Tribute to the World Tree
- Spawning Kraken
- Doubling Season
- Parallel Lives
- Fanatic of Rhonas
- Aesi, Tyrant of Gyre Strait
Reference prices (cheapest English printing). They change daily.
♾️ Known combos with Koma, World-Eater
- Hullbreaker Horror + Sol Ring → Infinite colorless mana, Infinite storm count
- Dramatic Reversal + Isochron Scepter → Infinite magecraft triggers, Infinite mana nonland permanents you control can produce, Infinite storm count, Infinite untap of nonland permanents you control
- Springheart Nantuko + Tireless Provisioner → Infinite landfall triggers, Infinite tapped land tokens
- Springheart Nantuko + Tireless Provisioner → Infinite landfall triggers, Infinite tapped land tokens
- Springheart Nantuko + Lotus Cobra → Infinite landfall triggers, Infinite tapped land tokens
- Springheart Nantuko + Lotus Cobra → Infinite landfall triggers, Infinite tapped land tokens
Other commanders
Frequently asked questions
What is Koma, World-Eater's color identity?
Koma, World-Eater is Simic (green and blue): its deck can only run cards of those colors plus colorless ones. Color identity comes from every mana symbol on the card, including those in the rules text, not just the casting cost.
What turn does Koma, World-Eater come down, and how often does the deck get stuck?
In the average Koma, World-Eater deck (the 99 cards most played with it, with 37 lands), simulated 4,000 times, the commander comes down on turn 5.7 on average and is on the battlefield before turn 7 in 87 % of games. It misses at least one land drop in the first six turns 9 % of the time and floods 6 %. Deck health: B+ (79/100).
How many lands should a Koma, World-Eater deck run?
Real Koma, World-Eater decks run 37 lands on average. That is a starting point, not a rule: a lower curve can shave one or two, big-mana builds want more. The EDH Optimizer simulator tells you, over 10,000 games, how often you get mana screwed or flooded with your exact count.
What are the best cards for Koma, World-Eater?
The three highest-synergy cards are Adrix and Nev, Twincasters, Whelming Wave, Koma, Cosmos Serpent. This page lists the top 24 with their real inclusion rate in Koma, World-Eater decks.
What combos does Koma, World-Eater have?
Koma, World-Eater has 6 known combos. The most popular one is Hullbreaker Horror + Sol Ring. Note that two-card combos raise your deck's bracket, so it is worth knowing which ones you are running before you sit down.
How much does a Koma, World-Eater deck cost?
You can start cheap: Whelming Wave, Junk Winder, Llanowar Elves are under €2 each. The "Level up" section on this page splits the best cards into three price caps PER CARD (up to €2, up to €10 and no cap), and the optimizer only suggests swaps that fit the cap you pick.