Fall of Ongroch Keep

(As this Saga enters the battlefield and after your
draw step, add a lore counter. Sacrifice after III.)
I: Destroy up to one target land and up to 2
target creatures.
II: Create X 2/2 Zombie Knight tokens with
menace, where X is the number of creature cards
in all graveyards.
III: Return up to 2 target creatures from a
graveyard to the battlefield under your control.
Creatures you control gain deathtouch and haste.