The Fallen Goulriser

Menace, Vigilance
The Fallen Goulriser's Power and Toughness is
equal to the combined Power of the tapped
zombies you control.
When The Fallen Goulriser attacks or blocks tap
any number of zombies you control.
Whenever a tapped zombie leaves the battlefield
create a 2 tapped 2/2 zombie creature tokens.
"The Dead... Are Coming"
-The Fallen Goulriser