Black Knife Assassin

{4}{b}{b}: Exile target creature and put a +1/+1
counter on Black Knife Assassin.

Black Knife Assassin has all activated abilities of all
creature cards exiled with it.

"The assassins that carried out the deeds of the
Night of the Black Knives were all women, and
rumored to be Numen who had close ties with
Marika herself."