World Queller

• WWizards of the Coast2009-10-01
  Official Ruling
  First you choose which permanent you'll sacrifice (if you control any of the chosen type), then each other player in turn order does the same, then all chosen permanents are sacrificed at the same time.
• WWizards of the Coast2009-10-01
  Official Ruling
  You don't choose a card type until the ability resolves. Once you choose a type, it's too late for players to respond.
• WWizards of the Coast2013-07-01
  Official Ruling
  You may choose any card type. Choosing anything other than artifact, battle, creature, enchantment, kindred, land, or planeswalker will result in no permanents being sacrificed, though, since these are the only types permanents can have.

Rulings via Scryfall