Oghma, Lord of Invention

Historic permanents you control have "{t}: Draw a
card, then put this permanent on top of your
library."
When Oghma, Lord of Invention attacks or blocks,
scry 2.
You may return Oghma, Lord of Invention from
your graveyard to your hand by exiling the top of
your library until you have exiled cards with mana
value 8 or more.