Battle of Frost and Fire (Kaldheim)

Enchantment Ñ Saga - (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I Ñ This Saga deals 4 damage to each non-Giant creature and each planeswalker.
II Ñ Scry 3.
III Ñ Whenever you cast a spell with mana value 5 or greater this turn, draw two cards, then discard a card.