2019-10-04 : Scorching Dragonfire's replacement effect will exile the target creature or planeswalker if it would die this turn for any reason, not just due to lethal damage. It applies to the target creature or planeswalker even if Scorching Dragonfire deals no damage to it (most likely due to a prevention effect).

2020-06-23 : Scorching Dragonfire's replacement effect will exile the target creature or planeswalker if it would die this turn for any reason, not just due to lethal damage.