Grim Reaper

Deathtouch, indestructible, shroud
When Grim Reaper enters the battlefield destroy
all creatures, Grim Reaper's power and toughness
are equal to the number of creatures destroyed
this way
Whenever a creature dies return it to the battlefield tapped under your control, that
creature is black in addition to it's other colors
{t}{b}{b}{b}: Destroy target permanent