Stallord, the Twilit Fossil

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its
owner's control with a +1/+1 counter on it.)
Whenever another skeleton enters the battlefield,
you may put the top card of your library into
your graveyard. If you do, you may draw a card.
{x}{x}{b},{t}: Put X 1/1 black skeleton soldier
creature tokens onto the battlefield tapped.