Danitha, New Benalia's Light

• WOTC Official Reminder Textofficial rules
  Lifelink — Damage dealt by this creature also causes you to gain that much life.
• WOTC Official Reminder Textofficial rules
  Vigilance — Attacking doesn't cause this creature to tap.

• WWizards of the Coast2023-05-12
  Official Ruling
  If you cast a spell from your graveyard using another permission, Danitha's effect doesn't apply. You can cast another Aura or Equipment spell from your graveyard.
• WWizards of the Coast2023-05-12
  Official Ruling
  You must pay the costs to cast that spell. If it has an alternative cost, you may cast it for that cost instead.
• WWizards of the Coast2023-05-12
  Official Ruling
  You must follow the normal timing permissions and restrictions of the spell you cast from your graveyard.
• WWizards of the Coast2023-05-12
  Official Ruling
  If you cast one Aura or Equipment spell from your graveyard and then have a new Danitha come under your control in the same turn, you may cast another Aura or Equipment spell from your graveyard that turn.
• WWizards of the Coast2023-05-12
  Official Ruling
  If an Aura or Equipment card is put into your graveyard during your main phase and the stack is empty, you have a chance to cast it before any player may attempt to remove that card from your graveyard.
• WWizards of the Coast2023-05-12
  Official Ruling
  Once you begin to cast the spell, losing control of Danitha won't affect the spell.

Rulings via Scryfall