Bringer of Madness

Flying, Decayed (This creature can't block. When
this creature attacks, sacrifice it at end of combat).
Whenever Bringer of Madness deals combat
damage to a player, that player mills a card and
discards a card.
Then you may play any card in that players
graveyard without paying its casting cost.
If that card leaves play, exile it.

"There was no trace of mind
on that disgruntled face"