Trinisphere [Kaladesh Inventions] Zendikar the Great Teacher's voice will

the Great Teacher's voice will rattle this world

Land Rare Cost: {2}

Set: Limited Edition Alpha Type: Enchantment Rare Cost: {R}{R} Whenever one or more creatures you control attack

) Counter target spell

Trinisphere [Kaladesh Inventions] Zendikar the Great Teacher's voice willSet: Kaladesh Inventions Type: Artifact 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 applications