Tomekeeper

{u}{b}: Return Tomekeeper from your graveyard
to the battlefield if it was put there from the top
of your library this turn.
{t}, Put Tomekeeper on top of your library: You
may put any number of cards that were put into
your graveyard from the top of your library this
turn on top of your library in any order.
"So many good ideas waisted by wont and hubris."
- Tomekeeper