Marvel Super Heroes Eternal-Legal Foil: Origin of Thor

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I - You may discard a card. If you do, draw two cards.
II - Whenever you cast a spell this turn, put a +1/+1 counter on target creature you control.
III - Target creature you control deals damage equal to its power to each opponent.