Trinisphere [Kaladesh Inventions] BT3-002 if that player didn't cast

if that player didn't cast a creature spell this turn

whichever is smaller

Once per Turn Action — [1 Resource]: Reveal the top card of your deck

Jhoira knew she'd been right to restore the ship

choose a plane

Trinisphere [Kaladesh Inventions] BT3-002 if that player didn't castSet: Kaladesh Inventions 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.) "This exhibition of Nehra's Threshold Principle must be expropriated and examined for its potential