Kar-Hac the Vengeful

Kar-Hac the Vengeful can only be played after a creature you control has been destroyed. Put an
X/0 counter on Kar-Hac the Vengeful X being
the total Mana cost of creatures you control that
were destroyed this turn
{r} Kar-Hac the Vengeful gains Haste
"Much was taken, now we will take much."
-Kar-Hac