flavorText: The device can spy on anyone with just a drop of their blood.
name: Crystal Skull, Isu Spyglass
originalText: You may look at the top card of your library any time.
  You may play historic lands and cast historic spells from the top of your library.
  {T}: Add {U}.
printings: ACR
text: You may look at the top card of your library any time.
  You may play historic lands and cast historic spells from the top of your library. (Artifacts, legendaries, and Sagas are historic.)
  {T}: Add {U}.
type: Legendary Artifact