Silver Sea if I could get there faster.

WYR be a prisoner of the LB Tisroc (who will not live forever) or Miraz?

LB Tisroc. I could go directly to Aslan's Country afterwards.

WYR have to spend a night in the spooky run down Cair Paravel or by the Tombs of the Ancient Kings?

Toughy... the Tombs are near civilization, but the Cair might feel safer (less open). I guess I'll go with the Cair.

WYR cast Ramandu or the voice of Glimfeather?

the voice of Glimfeather

WYR witness the train crash or watch Aslan die?

Train crash.

WYR visit Tashbaan or Harfang?

Tashbaan

WYR try to pass an important message on through Chervy the Stag or get Pattertwig to be quiet?

Send a message with Chervy.

WYR find a bunch of yellow and green rings or a painting of a ship resembling the 'Dawn Treader'?

hmm... the painting

WYR find a Narnia-looking thing at a thrift store (but find it's broken) or at an antique store (but find it's out of your price range)?

Out of my price range.

WYR meet a Talking Animal or a dryad?

Dryad

WYR help Mrs Beaver with her fur or find out firsthand why bath day is the worst day of the year for Mr Beaver?

Help with Mrs. Beavers fur.

WYR have been the person in Narnia who came up with the prophecy that doesn't really rhyme or one of them who has to import oranges and such from Calormen?

Prophecy. Because it's a prophesy and does it really matter that it doesn't rhyme? 😛

WYR see Corin knock Cor down or see Cor prove himself the better swordsman?

Um, probably Cor being the better swordsman.

WYR visit Beruna or Anvard?

Hmm. Anvard

WYR have Lucy's cordial or Susan's horn thrust into your care?

Cordial.

WYR visit Narnia in summer or winter?