Ashes of the Abhorrent

• WWizards of the Coast2017-09-29
  Official Ruling
  Activated abilities contain a colon. They’re generally written “[Cost]: [Effect].” Some keyword abilities (such as embalm from the Amonkhet set) are activated abilities and will have colons in their reminder text. Triggered abilities (starting with “when,” “whenever,” or “at”) are unaffected by Ashes of the Abhorrent.
• WWizards of the Coast2017-09-29
  Official Ruling
  Ashes of the Abhorrent doesn’t stop players from playing land cards from the graveyard if an effect allows them to do so.
• WWizards of the Coast2017-09-29
  Official Ruling
  If a creature dies at the same time that Ashes of the Abhorrent is destroyed, you’ll gain 1 life.

Rulings via Scryfall