Veils to Solemn

as an additional cost to casting this spell sacrifice
1 creature or artifact, gain life equal to converted
mana cost of creature sacrificed.
reveal the top 5 cards of your library and you may
put any amount on your hand or the top or
bottom of your library and 2 into the graveyard.
"if you ever hear wallowing screams in the dusk of
night don't hesitate to run, perhaps scream and yell."