These two are able to be cast on others. Though as far as I have seen, they're the only self only spells that the mimic can do this with. Intentional, or an oversight?
Bump, Still bugged. Worth checking other higher level self only magic spells, too. Can't say for sure if they behave the same way.
Polymorph self and such also can be cast on others
It appears you can steal someone's domain powers, such as the usable component of the death domain, Negative plane avatar. I say it appears so because I've leeched it off someone but didn't actually try to cast it before losing it in favor of something else.
Tested this, still happening.
Well, don't do it for now.