High Lord Wolnir of Carthus

Afflict 3 (Whenever this creature becomes blocked, defending player loses 3 life.)
Whenever another Skeleton or Zombie creature you control dies, each opponent loses 1 life and you gain
1 life.
{b}, {t}, Sacrifice a Skeleton: Create X 1/1 black
Skeleton creature tokens, where X is equal to the
number of Skeletons you control.