PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When he or she plays a Shock, your opponent takes a card from his or her hand (where it can do all kinds of things depending on how the game plays out) and puts it into his or her graveyard (where it is unlikely to do anything, ever again).
http://www.w3.org/ns/prov#wasQuotedFrom
  • wizards.com