Whenever a player casts an instant or sorcery spell that targets only Mirrorwing Dragon, that player copies that spell for each other creature he or she controls that the spell could target. Each copy targts a different one of those creatures.
Illus. Min Yum
4/5
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
MythicSpoiler is a dedicated visual spoiler, designed to let you EXPLORE, DISCOVER and EXPERIENCE new Magic the Gathering sets in a simple, sortable gallery.
KHANS OF TARKIR 
COMMANDER 2014
FTV: ANNIHILATION 
SPEED vs CUNNING 
MAGIC 2015 
CONSPIRACY 
MORE SETS
