The Twelfth Doctor
Legendary Creature — Time Lord Doctor{3}{U}{R}4/4
The first spell you cast from anywhere other than your hand each turn has demonstrate. (When you cast that spell, you may copy it. If you do, choose an opponent to also copy it. A copy of a permanent spell becomes a token.) Whenever you copy a spell, put a +1/+1 counter on The Twelfth Doctor.
Colour identity Izzet · Commander page
In short
The Twelfth Doctor has 6 listed printings; the most valuable is the Showcase · Surge Foil printing from WHO at US$19.67 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
Every The Twelfth Doctor printing
Showcase · Surge Foil
The Twelfth Doctor
WHO · 1154
TCGplayer market
US$19.67
Extended Art · Surge Foil
The Twelfth Doctor
WHO · 1040
Price not tracked
Surge Foil
The Twelfth Doctor
WHO · 769
Price not tracked
Showcase
The Twelfth Doctor
WHO · 563
Price not tracked
Extended Art
The Twelfth Doctor
WHO · 449
Price not tracked
The Twelfth Doctor
WHO · 164
TCGplayer market
US$0.34