EDH Optimizer
Chromium, the Mutable
Legendary Creature — Elder Dragon · 4WUB
Color identity: Black · Blue · White · Esper
Chromium, the Mutable is Esper (black, blue and white): its deck can only run cards of those colors plus colorless ones.
Rules text:
Flash
This spell can't be countered.
Flying
Discard a card: Until end of turn, Chromium becomes a Human with base power and toughness 1/1, loses all abilities, and gains hexproof. It can't be blocked this turn.
Reference price of the card: €0.67
Average lands in decks for Chromium, the Mutable: 35
ControlFlashVoltronEquipmentDiscardAurasMidrangeReanimator
Build your Chromium, the Mutable deck step by step, with in-depth analysis and AI optimization of your list.
🛠️ Build a deck for Chromium, the Mutable 📥 Analyze my deck🎲 How the average Chromium, the Mutable deck starts over 4,000 games
The list people actually play per EDHREC (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)
- Consistency58
- Speed51
- Interaction100
- Resilience85
- Closing99
See the cards of the average deck · 99 cards, 35 lands (25 nonbasic, 3 Plains, 5 Island, 2 Swamp)
Arcane Signet · Sol Ring · Swords to Plowshares · Void Rend · Counterspell · Talisman of Dominance · Talisman of Progress · Azorius Signet · Dovin's Veto · Dimir Signet · Path to Exile · Talisman of Hierarchy · Wavebreak Hippocamp · Cunning Nightbonder · Slitherwisp · Inkshield · Anguished Unmaking · Ertai Resurrected · Hullbreaker Horror · Orzhov Signet · Nymris, Oona's Trickster · Sphinx's Revelation · Faerie Mastermind · Waterlogged Teachings // Inundated Archive · Errant and Giada · Fellwar Stone · Notion Thief · Aetherize · Arcane Denial · Deep Gnome Terramancer · Venser, Shaper Savant · Pull from Tomorrow · Cathar Commando · Despark · Archivist of Oghma · Generous Gift · Propaganda · Supreme Verdict · Thought Vessel · Fact or Fiction · Blackblade Reforged · Rewind · Selfless Squire · Torrential Gearhulk · Aboleth Spawn · Cyclonic Rift · Ghostly Prison · Negate · Windshaper Planetar · Baleful Strix · Stinging Study · Guardian of Faith · Sink into Stupor // Soporific Springs · Wayfarer's Bauble · Amphibian Downpour · Final Showdown · Geyser Drake · Hydroelectric Specimen // Hydroelectric Laboratory · Mystic Confluence · Voracious Tome-Skimmer · An Offer You Can't Refuse · Damn · The Unagi of Kyoshi Island · Unwind · Command Tower · Exotic Orchard · Arcane Sanctum · Hallowed Fountain · Godless Shrine · Watery Grave · Raffine's Tower · Glacial Fortress · Isolated Chapel · Drowned Catacomb · Reliquary Tower · Sea of Clouds · Flooded Strand · Prairie Stream · Polluted Delta · Adarkar Wastes · Caves of Koilos · Marsh Flats · Morphic Pool · Deserted Beach · Vault of Champions · Bojuka Bog · Shipwreck Marsh · Sunken Hollow · Underground River
🃏 Recommended cards for Chromium, the Mutable
The highest-synergy cards in decks for Chromium, the Mutable, with their inclusion rate.
| Card | Inclusion | Synergy |
|---|---|---|
| Wavebreak Hippocamp | 46% | +46% |
| Cunning Nightbonder | 45% | +44% |
| Slitherwisp | 45% | +44% |
| Ertai Resurrected | 42% | +40% |
| Nymris, Oona's Trickster | 40% | +40% |
| Sphinx's Revelation | 40% | +37% |
| Hullbreaker Horror | 41% | +35% |
| Errant and Giada | 35% | +34% |
| Inkshield | 44% | +33% |
| Waterlogged Teachings | 38% | +33% |
| Deep Gnome Terramancer | 34% | +32% |
| Venser, Shaper Savant | 33% | +32% |
| Aetherize | 34% | +29% |
| Cathar Commando | 31% | +29% |
| Notion Thief | 35% | +28% |
| Faerie Mastermind | 38% | +28% |
| Selfless Squire | 28% | +28% |
| Pull from Tomorrow | 32% | +27% |
| Windshaper Planetar | 27% | +27% |
| Aboleth Spawn | 27% | +26% |
| Fact or Fiction | 29% | +26% |
| Torrential Gearhulk | 28% | +26% |
| Blackblade Reforged | 28% | +25% |
| Stinging Study | 26% | +25% |
💰 The best cards for your Chromium, the Mutable 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.
- Wavebreak Hippocamp
- Cunning Nightbonder
- Slitherwisp
- Ertai Resurrected
- Nymris, Oona's Trickster
- Sphinx's Revelation
Tier 2 · Balanced up to €10/card
The real step up: pieces that are no longer cheap but still sensible.
- Hullbreaker Horror
- Inkshield
- Deep Gnome Terramancer
- Faerie Mastermind
- Aboleth Spawn
- Archivist of Oghma
Tier 3 · No cap no cap
The cards your price cap was hiding from you.
- Stinging Study
- Snapcaster Mage
- Wan Shi Tong, Librarian
- Raffine's Tower
- Alela, Cunning Conqueror
- Solitude
Reference prices (cheapest English printing). They change daily.
♾️ Known combos with Chromium, the Mutable
- Hullbreaker Horror + Sol Ring → Infinite colorless mana, Infinite storm count
- Demonic Consultation + Thassa's Oracle → Exile your library, Win the game
- Tainted Pact + Thassa's Oracle → Win the game
- 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
- Hullbreaker Horror + Mana Vault → Infinite colorless mana, Infinite storm count
- Hullbreaker Horror + Mox Amber → Infinite ETB, Infinite LTB, Infinite colored mana, Infinite storm count
Other commanders
Frequently asked questions
What is Chromium, the Mutable's color identity?
Chromium, the Mutable is Esper (black, blue and white): 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 Chromium, the Mutable come down, and how often does the deck get stuck?
In the average Chromium, the Mutable deck (the 99 most-included cards per EDHREC, with 35 lands), simulated 4,000 times, the commander comes down on turn 6.6 on average and is on the battlefield before turn 7 in 78 % of games. It misses at least one land drop in the first six turns 21 % of the time and floods 16 %. Deck health: B+ (79/100).
How many lands should a Chromium, the Mutable deck run?
Real Chromium, the Mutable decks run 35 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 Chromium, the Mutable?
The three highest-synergy cards are Wavebreak Hippocamp, Cunning Nightbonder, Slitherwisp. This page lists the top 24 with their real inclusion rate in Chromium, the Mutable decks.
What combos does Chromium, the Mutable have?
Chromium, the Mutable 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 Chromium, the Mutable deck cost?
You can start cheap: Wavebreak Hippocamp, Cunning Nightbonder, Slitherwisp 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.