Type

Legendary Creature — Human Cleric

Oracle Text

Woman Who Walked the Earth — When Martha Jones enters, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")\nWhenever you sacrifice a Clue, Martha Jones and up to one other target creature can't be blocked this turn.\nDoctor's companion (You can have two commanders if the other is the Doctor.)