name: Urza, Powerstone Prodigy
originalText: Vigilance
  {1}, {T}: Draw a card, then discard a card.
  Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
printings: BRO
text: Vigilance
  {1}, {T}: Draw a card, then discard a card.
  Whenever you discard one or more artifact cards, create a tapped Powerstone token. This ability triggers only once each turn. (The token is an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
type: Legendary Creature — Human Artificer