In Presence of the Unknown

(As this Saga enters the battlefield and after your
draw step, add a lore counter. Sacrifice after III.)
I: Target creature loses all abilities and becomes a
0/2 Non-corporeal with flying and indestructible.
II: Until your next turn, prevent all damage.
III: Target permanent's controller sacrifices it.
Then they reveal cards from the top of their
library until they reveal a permanent card that
shares a card type with the sacrificed permanent,
put that card onto the battlefield, then s