As long as Trinisphere is untapped, each spell that would cost less than three mana to cast costs three mana to cast.
"This exhibition of Nehra's Threshold Principle must be expropiated and examined for its potential applications in enforcement." -Confiscation directive
Illus. Daniel Ljunggren
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
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KHANS OF TARKIR 
COMMANDER 2014
FTV: ANNIHILATION 
SPEED vs CUNNING 
MAGIC 2015 
CONSPIRACY 
MORE SETS
