Kisk, Acolyte of Sess'innek

Whenever Kisk, Acolyte of Sess'innek enters the battlefield, destroy target creature
you don't control. Its controller takes damage
equal to the destroyed creatures power.
If a creature is put into the graveyard this turn
put a 1/1 white Offering token onto the
battlefield. At the beginning of your end step,
sacrifice an Offering or lose 2 life.
{6}{b}{b}: Transform Kisk, Acolyte of Sess'innek
or cast without paying the mana cost if you have sacrificed 10 Offerings.