Rubble Reading

• WOTC Official Reminder Textofficial rules
  Scry — Look at the top N cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.

• WWizards of the Coast2019-01-25
  Official Ruling
  If the target land is an illegal target by the time Rubble Reading tries to resolve, the spell doesn’t resolve. You don’t scry 2. If the target is legal but not destroyed (most likely because it has indestructible), you do scry 2.

Rulings via Scryfall