Bone Crafter

Deathtouch, lifelink
Whenever a nontoken creature you control dies
create a 1/1 black Skeleton creature token with
"{t}, Sacrifice this creature: Add {b}." and Haste.
Sacrifice 5 skeletons: Create a 4/4 black Skeleton
Horror creature token with Menace, trample, and
reach. You loose 1 life, then you gain 1 life.