Calaveras, Grixis General

When Calaveras, Grixis General enters the battlefield create two 1/1 black skeleton creature
tokens.
Other skeletons you control get +1/+1 and have Deathtouch.
Whenever a nontoken skeleton you control dies,
put the top three cards of your library into you graveyard, then return any
number of skeletons discarded this way from your graveyard to the battlefield tapped.