Name
Trinisphere
Set Name
Darksteel
Set Type
Expansion
Mana
Type Line
Artifact
Rarity
Rare
Oracle Text
As long as Trinisphere 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.)