Trinisphere [Kaladesh Inventions] Gateway 2007 When you cast a creature

When you cast a creature spell

Set: Fourth Edition Type: Artifact Rarity: Rare Cost: {2} Whenever a land enters the battlefield

and I am nourished

is home to both

{0}: Untap enchanted creature

Trinisphere [Kaladesh Inventions] Gateway 2007 When you cast a creatureSet: 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