Giddles, the Forsaken Knight

Haste.
At the beginning of your upkeep reveal the top
card of your library, if it is a nonpermanent put
that card into your hand, if not, put that card
back onto the top of your library.
Madness {b}. (If you discard this card, discard it into
exile. When you do, cast it for it's madness cost or put
it into the graveyard.)