Trinisphere [From the Vault: Exiled] 95 Sacrifice a Rat: Create X

Sacrifice a Rat: Create X 1/1 black Rat creature tokens

but how do we get down

If both targets are still legal as this ability resolves

When you cast a creature spell

Faith in Serra is its own reward

Trinisphere [From the Vault: Exiled] 95 Sacrifice a Rat: Create XSet: From the Vault: Exiled Type: Artifact Rarity: Mythic 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 {1}{B} to cast costs {2}{B} to cast instead.) Designed to restrain petty thoughts, but used to repress entire empires.