(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.)I, II, III — Exile cards from the top of your library until you exile a legendary card. You may play that card for as long as The Day of the Doctor remains on the battlefield. Put the rest of those exiled cards on the bottom of your library in a random order.IV — Choose...
When you cast this spell, create a token that's a copy of it, except it isn't legendary.: Add . Spend this mana only to cast an artifact spell or activate an ability of an artifact.Paradox — Whenever you cast a spell from anywhere other than your hand, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")
If an opponent would face a villainous choice, they face that choice an additional time. (They can make the same or different choices.)While voting, you may vote an additional time.
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card...
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)I — For each player, destroy up to one target creature that player controls. For each creature destroyed this way, its controller creates a 3/3 green Mutant creature token with deathtouch.II — Target nontoken creature becomes a 6/6 legendary Horror creature named...
Imprint — Whenever a player casts an instant or sorcery spell from their hand, exile it instead of putting it into a graveyard as it resolves.At the beginning of your upkeep, if there are four or more cards exiled with River Song's Diary, choose one of them at random. You may cast it without paying its mana cost.
