The Third Doctor
Legendary Creature — Time Lord Doctor{2}{G}{U}2/2
Trample The Third Doctor gets +1/+1 for each noncreature token you control. When The Third Doctor enters, create your choice of a Clue token, a Food token, or a Treasure token.
Colour identity Simic · Treasure, Food, Trample · Commander page
In short
The Third Doctor has 7 listed printings; the most valuable is the Showcase · Surge Foil printing from WHO at US$12.39 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.
Every The Third Doctor printing
Showcase · Surge Foil
The Third Doctor
WHO · 1145
TCGplayer market
US$12.39
Extended Art · Surge Foil
The Third Doctor
WHO · 1038
Price not tracked
Surge Foil
The Third Doctor
WHO · 767
Price not tracked
Showcase
The Third Doctor
WHO · 554
Price not tracked
Extended Art
The Third Doctor
WHO · 447
Price not tracked
The Third Doctor
WHO · 162
TCGplayer market
US$0.32
Serialized
The Third Doctor
WHO · 554z
TCGplayer low only
US$499.99