Housam Nightbringer

Housam Nightbringer's power and toughness is
equal to the number of all {b} tapped.
Necromancy — {4}: You may choose a creature
from any graveyard and place it on your
battlefield. The undead creature has Deathtouch.
If Housam Nightbringer is sent to the graveyard,
all undead creatures return with him.