Blade of Souls

Equip creature {2}{b}
Equipped creature gets +2/+0, has Deathtouch
and "Whenever this creature destroys another
creature, exile that creature. Put a soul counter
on Blade of Souls.
{1}{b}, remove all soul counters and sacrifice Blade
of Souls: create a 1/2 black Spirit creature token
with Shadow onto the battlefield for every soul
counter removed from Blade of Souls.