The Girl in the Fireplace

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

[I] Create a 1/1 white Human Noble creature token with vanishing 3 and "Prevent all damage that would be dealt to this creature."
[II] Create a 2/2 white Horse creature token with "Doctors you control have horsemanship." (They can't be blocked except by creatures with horsemanship.)

[III] Whenever a creature you control deals combat damage to a player this turn, time travel.