Necromancer

For each creature that go to the graveyard from
the battlefield, put a +1/+1 counter on one of
your creature with Legion.
{x}{t}: Exile X target creature in any graveyard,
put a 0/0 black Zombie token with Legion X into
the battlefield under your control. (When this
creature come into play, put X +1/+1 counter on it.
For each damage dealt to this creature, you must
prevent that damage by removing one +1/+1 counter.)