flavorText: "'Victory is survival' is the tenet that guides us. My love, know that I will always ensure your survivial."
  —Duvir, Mardu warrior, final letter
name: Worthy Cost
originalText: As an additional cost to cast this spell, sacrifice a creature.
  Exile target creature or planeswalker.
printings: TDM
text: As an additional cost to cast this spell, sacrifice a creature.
  Exile target creature or planeswalker.
type: Sorcery