Sandy Scavenger

Flying.
When Sandy Scavenger enters, Fish. (Roll a
d6, and look at that many cards from the top of your library. You may put one of them into your hand, then put the rest on the bottom of your library in any order.)
When Sandy Scavenger dies, Feed. (Put a
-1/-1 counter on target creature, then put a +1/
+1 counter on another target creature.)