name: Thorough Investigation
originalText: Whenever you attack, investigate.
  Whenever you sacrifice a Clue, venture into the dungeon.
printings: AFC
text: Whenever you attack, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this token: Draw a card.")
  Whenever you sacrifice a Clue, venture into the dungeon. (Enter the first room or advance to the next room.)
type: Enchantment