Arcane Foundry › Commanders › The Master of Keys
The Master of Keys
Legendary Enchantment Creature — Horror · {X}{W}{U}{B} · Black/Blue/White commander
What The Master of Keys actually does
Read off the card by the same engine the Forge and Analyzer use — this is the mechanical classification, not a summary.
- Triggered ability · etbWhen The Master of Keys enters, put X +1/+1 counters on it and mill twice X cards.
- Keyword · flyingflying
- Keyword · millmill
What a The Master of Keys deck wants
The plan the Forge derives for this commander: the roles it fills and how many of each.
- 6× Exile a permanent you control and return it — the button a value-ETB deck presses
- 16× A creature that HAS the keyword the commander's trigger counts — a card that merely says the word is not one
- 8× A permanent whose value is in its enter-the-battlefield trigger — the payload a blink deck reuses
- 6× Put your own cards into your graveyard as a resource
- 14× Put +1/+1 counters on creatures you control, or multiply the ones already there
- 5× Actually remove one problem permanent — preventing its damage is not removing it
- 1× Answer a whole board at once
- 2× Answer a spell or ability before it resolves
- 9× Find the exact card the plan needs
Best cards for The Master of Keys
Ranked by an engine that reads what each card does — its real cost, its delay and how reliably it works — rather than counting how often other people play it.
Exile a permanent you control and return it — the button a value-ETB deck presses
- Airbender Ascension2 mana
- Displacer Kitten4 mana
- Eldrazi Displacer3 mana
- Soulherder3 mana
- Eternal Acrobat Toast0 mana
- Conjurer's Closet5 mana
- Distinguished Conjurer2 mana
- Brago, King Eternal4 mana
A creature that HAS the keyword the commander's trigger counts — a card that merely says the word is not one
- Stitcher's Supplier1 mana
- Hedron Crab1 mana
- Ruin Crab1 mana
- Millikin2 mana
- Emry, Lurker of the Loch3 mana
- Excavated Wall1 mana
- Exhibition Tidecaller1 mana
- Eye Collector1 mana
A permanent whose value is in its enter-the-battlefield trigger — the payload a blink deck reuses
- Bojuka Bog0 mana
- Chrome Mox0 mana
- Mystic Sanctuary0 mana
- Temple of Silence0 mana
- Azorius Chancery0 mana
- Cabaretti Courtyard0 mana
- Dimir Aqueduct0 mana
- Dismal Backwater0 mana
Put your own cards into your graveyard as a resource
- Takenuma, Abandoned Mire0 mana
- Stitcher's Supplier1 mana
- Altar of Dementia2 mana
- Brain Freeze2 mana
- Mindcrank2 mana
- Ripples of Undeath2 mana
- Codex Shredder1 mana
- Hedron Crab1 mana
Put +1/+1 counters on creatures you control, or multiply the ones already there
- Karn's Bastion0 mana
- Ripples of Potential2 mana
- Thrummingbird2 mana
- Blightbelly Rat2 mana
- Contagion Clasp2 mana
- Contentious Plan2 mana
- Drown in Ichor2 mana
- Experimental Augury2 mana
Actually remove one problem permanent — preventing its damage is not removing it
- Path to Exile1 mana
- Swords to Plowshares1 mana
- Reality Shift2 mana
- Pongify1 mana
- Rapid Hybridization1 mana
- Resculpt2 mana
- Defile1 mana
- Tragic Slip1 mana
Answer a whole board at once
- Final Showdown1 mana
- Vanquish the Horde8 mana
- Amalia Benavides Aguirre2 mana
- Do or Die2 mana
- Martyr's Cry2 mana
- Pest Control2 mana
- Force of Despair3 mana
- Split Up3 mana
Answer a spell or ability before it resolves
- Pact of Negation0 mana
- Counterspell2 mana
- Three Steps Ahead1 mana
- Long River's Pull2 mana
- Force of Will5 mana
- Abjure1 mana
- Archmage's Charm3 mana
- Cancel3 mana
Find the exact card the plan needs
- Entomb1 mana
- Demonic Tutor2 mana
- Diabolic Intent2 mana
- Vampiric Tutor1 mana
- Lively Dirge2 mana
- Imperial Seal1 mana
- Insatiable Avarice1 mana
- Diabolic Intent2 mana
Build this deck in the Arcane Forge →
Arcane Foundry is free to join and every tool is included: the Arcane Forge deck builder, the ARCANE Analyzer that scores a deck by simulating games rather than counting staples, a card scanner, a collection vault, and live webcam Commander tables.
Read the guide · Browse all commanders · Pricing