Chain Lightning deals 3 damage to target creature or player. Then that player or creature's controller may pay RR. If the player does, he or she may copy this spell and may choose a new target for that copy.
MYTHICSPOILER.COM THE CYCLICAL MTG SPOILER
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KHANS OF TARKIR 
COMMANDER 2014
FTV: ANNIHILATION 
SPEED vs CUNNING 
MAGIC 2015 
CONSPIRACY 
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