Some Auras both give the enchanted creature protection and say "this effect doesn't remove" either that specific Aura or all Auras. This means that the specified Auras aren't put into their owners' graveyards as a state-based action. If the creature has other instances of protection from the same quality, those instances affect Auras as normal.

Some Auras both give the enchanted creature protection and say "this effect doesn't remove" either that specific Aura or all Auras. This means that the specified Auras can legally enchant that creature and aren't put into their owners' graveyards as a state-based action. If the creature has other instances of protection from the same quality, those instances affect Auras as normal.