Abyss Lurker

When Abyss Lurker enter the battlefield dive 3.
(Look at the bottom three cards of your library. Put
any number of cards into your graveyard, put the rest
on top of your library in any order.)
Whenever a creature dies or a creature card is
put into a graveyard from a library, each
opponent losses 1 life.
"Don't go near the sea, or that's where they will be."
- from a Sordian nursing rhyme