Trinisphere [Kaladesh Inventions] Zendikar Set: Exodus Type: Instant Common

Set: Exodus Type: Instant Common Cost: {B} As an additional cost to cast this spell

Return target permanent to its owner's hand

target non-Wall creature an opponent controls gains forestwalk until your next upkeep

you may draw two cards

Trinisphere [Kaladesh Inventions] Zendikar Set: Exodus Type: Instant CommonSet: 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