Ciobour, the Annointed

{w}{b}, {t}: Exile up to 4 cards from target graveyard. If you do, put that many +1/+1 counters on Ciobour.
{t}, Remove X +1/+1 counters from Ciobour: Create a legendary X/X black and red
Demon creature token with flying and
trample and haste. Sacrifice Ciobour at end
of turn.