Lukara, Risen from Nothing

Whenever a permanent or card is exiled, amass 2.
(Put two +1/+1 counters on an Army you control. If
you don't control one, create a 0/0 black Zombie
Army creature token first.)
{c}{c}{u/b}: Exile target card from a graveyard.
"From nothing, something. Lies turned into truth.
What you think is impossible, I have done. Now you
will never remember your own existence. Goodbye."