Enduring Angel didn't prevent a game loss due to a large swing of damage

Combat damage should all be done at the same time, but it was resolved one at a time; this caused Enduring Angel to trigger, flip, and then my opponent died anyways.
```9:15 PM, T29.CD: MURPH loses 4 life at combat from Brudiclad, Telchor Engineer [2b9]
9:15 PM, T29.CD: Enduring Angel [be6] transforms into Angelic Enforcer [ebc]
9:15 PM, T29.CD: MURPH gains 1 life (source: Angelic Enforcer [be6])
9:15 PM, T29.CD: MURPH loses 4 life at combat from Brudiclad, Telchor Engineer [e38]
9:15 PM, T29.CD: MURPH loses 4 life at combat from Brudiclad, Telchor Engineer [02b]
9:15 PM, T29.CD: MURPH loses 4 life at combat from Brudiclad, Telchor Engineer [226]
9:15 PM, T29.CD: MURPH loses 0 life at combat from Brudiclad, Telchor Engineer [c56]
9:15 PM, T29.CD: MURPH loses 4 life at combat from Brudiclad, Telchor Engineer [125]
9:15 PM, T29.CD: MURPH loses 4 life at combat from Brudiclad, Telchor Engineer [060]
9:15 PM, T29.CD: MURPH loses 4 life at combat from Brudiclad, Telchor Engineer [bf0]
9:15 PM, T29.CD: MURPH loses 4 life at combat from Brudiclad, Telchor Engineer [95b]
9:15 PM, T29.CD: DarthTythus loses 4 life at combat from Sharding Sphinx [09f]
9:15 PM, T29.CD: DarthTythus loses 4 life at combat from Sharding Sphinx [517]
9:15 PM, T29.CD: DarthTythus loses 4 life at combat from Sharding Sphinx [683]
9:15 PM, T29.CD: Angelic Enforcer [be6] is put into graveyard from battlefield
9:15 PM, T29.CD: MURPH has lost the game.```