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The Seventh Doctor

Legendary Creature — Time Lord Doctor · {3}{W}{U} · Blue/White commander

Whenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you may cast it without paying its mana cost. If you don't cast a spell this way, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")

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What The Seventh Doctor 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 · attackWhenever The Seventh Doctor attacks, choose a card in your hand. Defending player guesses whether that card's mana value is greater than the number of artifacts you control. If they guessed wrong, you
• Keyword · investigateinvestigate

What a The Seventh Doctor deck needs

Plays as combat trigger. What the commander asks of the other 99 — read from the card and checked by hand.

• artifacts (its text counts them)
• big spells worth casting free (it casts them without paying their mana cost)
• haste, evasion and protection for the commander, and extra combats (its own attack is the engine)

The The Seventh Doctor deck plan

The roles the Forge fills for this commander, and how many cards of each.

• 12× Mana value at or above the floor — for a cascade commander a cheap card is a DEFECT, not a bargain
• 6× Put haste on the commander the turn it resolves — a tap ability is unusable otherwise
• 22× A permanent of the exact NON-creature type the commander counts — artifacts for an artifact commander, enchantments for an enchantress
• 4× Make the commander connect — a body that never deals combat damage never triggers
• 5× Actually remove one problem permanent — preventing its damage is not removing it
• 9× Find the exact card the plan needs
• 2× Answer a spell or ability before it resolves
• 1× Answer a whole board at once
• 7× Refill your hand

Best cards for The Seventh Doctor

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.

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