
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.")
Current
$0.23
Foil
$0.29
EDHREC Rank
#10656
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Pulled from EDHREC — cards most often included with The Seventh Doctor.

Academy Manufactor
High Synergy Cards

Thraben Inspector
High Synergy Cards

Mechanized Production
High Synergy Cards

Erdwal Illuminator
High Synergy Cards

Lightning Greaves
High Synergy Cards

Five Hundred Year Diary
Mana Artifacts

Whispersilk Cloak
High Synergy Cards

Deduce
High Synergy Cards

Blightsteel Colossus
High Synergy Cards

Senator Peacock
High Synergy Cards

Sword of Wealth and Power
High Synergy Cards

Ulamog, the Ceaseless Hunger
Creatures

Tangletrove Kelp
Creatures

Tamiyo's Journal
Utility Artifacts

Armed with Proof
Enchantments

Ornithopter of Paradise
Top Cards

Forensic Gadgeteer
Creatures

Jhoira's Familiar
Creatures

Homunculus Horde
Creatures

TARDIS
Utility Artifacts

Thran Dynamo
Mana Artifacts

Solemn Simulacrum
Top Cards

Piper Wright, Publick Reporter
Creatures

Merchant of Truth
Creatures

Hard Evidence
Sorceries
Quill-Blade Laureate
New Cards

Textbook Tabulator
New Cards

Ichor Wellspring
Utility Artifacts

Sonic Screwdriver
Mana Artifacts

An Offer You Can't Refuse
Top Cards