Fear of Burning Alive

• WWizards of the Coast2024-09-20
  Official Ruling
  If a source you control deals noncombat damage to multiple opponents simultaneously while there are four or more card types among cards in your graveyard, Fear of Burning Alive's last ability will trigger once for each opponent dealt noncombat damage this way.
• WWizards of the Coast2024-09-20
  Official Ruling
  Fear of Burning Alive's last ability deals damage equal to the amount of noncombat damage dealt by the source that dealt damage to an opponent.
• WWizards of the Coast2024-09-20
  Official Ruling
  Combat damage is the damage that's dealt automatically by attacking and blocking creatures. Any other damage is noncombat damage, even if it's dealt during a combat phase by an attacking or blocking creature.

Rulings via Scryfall