flavorText: "This exhibition of Nehra's Threshold Principle must be expropriated and examined for its potential applications in enforcement."
  —Confiscation directive
name: Trinisphere
originalText: As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast.
printings: 2XM, DST, MPS, PEWK, SLD, V09
text: As long as this artifact is untapped, each spell that would cost less than three mana to cast costs three mana to cast. (Additional mana in the cost may be paid with any color of mana or colorless mana. For example, a spell that would cost {1}{B} to cast costs {2}{B} to cast instead.)
type: Artifact