name: Obelisk of Urd
originalText: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)\r
  As Obelisk of Urd enters the battlefield, choose a creature type.\r
  Creatures you control of the chosen type get +2/+2.
printings: M15, ZNC
text: Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
  As this artifact enters, choose a creature type.
  Creatures you control of the chosen type get +2/+2.
type: Artifact