Dandân, The All-knowing

Hexproof, first strike At the beginning of your draw step, instead of drawing your first card this turn, you may choose to look at the top card of target opponent’s library. You may play that card this turn and use mana as though it were mana of any color to cast that spell. At the beginning of your end step, return any card played using Dandân this turn to its owner’s hand unless you pay {1}{U} and sacrifice another permanent.