At the beginning of your upkeep, exile the top card of each opponent's library. Until end of turn, you may cast nonland cards from among those exiled cards and you may spend mana of any color to cast those spells.
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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