Vos Zenko

Reach, Madness {x}{u} (If you discard this card, you
may cast it for its madness cost instead of putting it
into your graveyard.)
When you cast this spell, if {x} was an odd
number, look at the top 5 cards in target player's library without them looking and place them
back in any order.
When you cast this spell, if {x} was an even
number, any player may activate abilities of
creatures.