The Fourth Doctor
Legendary Creature — Time Lord Doctor{2}{G}{U}4/4
You may look at the top card of your library any time. Would You Like A...? — Once each turn, you may play a historic land or cast a historic spell from the top of your library. When you do, create a Food token. (Artifacts, legendaries, and Sagas are historic.)
Colour identity Simic · Food · Commander page
In short
The Fourth Doctor has 7 listed printings; the most valuable is the Showcase · Surge Foil printing from WHO at US$17.32 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
Every The Fourth Doctor printing
Showcase · Surge Foil
The Fourth Doctor
WHO · 1146
TCGplayer market
US$17.32
Showcase
The Fourth Doctor
WHO · 555
Price not tracked
Extended Art · Surge Foil
The Fourth Doctor
WHO · 1006
Price not tracked
Extended Art
The Fourth Doctor
WHO · 415
TCGplayer market
US$0.81
Surge Foil
The Fourth Doctor
WHO · 607
Price not tracked
The Fourth Doctor
WHO · 2
Price not tracked
Display Commander
The Fourth Doctor
WHO · 193
Price not tracked