Azkaru, the Meaningless Fate

Anihilator 4
When you cast Azkaru, the Meaningless Fate,
exile the top twenty-five cards of target player's library. Then that player draws a card.
When Azkaru, the Meaningless Fate is put into
a graveyard, exile the top twenty-five cards of
target player's library. Then that player draws
a card.