Star Trek Commander: Sins of the Father

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I - Each opponent sacrifices a nontoken creature of their choice.
II - For each opponent, you create a 2/1 red Klingon Warrior creature token with haste.
III - Exile target player's graveyard. Each opponent loses life equal to the number of creature cards exiled this way.