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Converted Mana Cost:3
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 1Black to cast costs 2Black to cast instead.)
Designed to restrain petty thoughts, but used to repress entire empires.
From the Vault: Exiled (Mythic Rare) From the Vault: Exiled