Bearer of the Heavens

• WWizards of the Coast2014-04-26
  Official Ruling
  The effect of the ability will destroy all permanents on the battlefield as it resolves. It doesn't matter if those permanents were on the battlefield when Bearer of the Heavens died.
• WWizards of the Coast2014-04-26
  Official Ruling
  If Bearer of the Heavens dies during an end step, the delayed triggered ability will trigger at the beginning of the next turn's end step.

Rulings via Scryfall