Ancestral Statue

• WWizards of the Coast2015-02-25
  Official Ruling
  The triggered ability doesn’t target any permanent. You choose which one to return as the ability resolves. No player can respond to this choice once the ability starts resolving.
• WWizards of the Coast2015-02-25
  Official Ruling
  Ancestral Statue’s ability is mandatory. If Ancestral Statue is the only nonland permanent you control when its ability resolves, you must return it to its owner’s hand.

Rulings via Scryfall