Quite honestly I do not think give is in any way shape or form OP at the moment.
If anything its pretty severly UP or at the very least, extremely situational.
Do we really want to nerf it any further?
It seems to be an exception right now, and I don't really see any way to severely abuse that (now that give singu is more tricky to pull off at least).
The best course of action is to put something like "ignores sanctuary" or something like that so it is clear.
I think this is perhaps one of the few cases where bypassing sanctuary isn't going to be that OP.
Now, when and if there are cards added to the game that can cause damage just by sitting in a player's hand, then ya, maybe the exception should be removed. Until then, doing this is kind of pointless and just makes an under used card even more worthless.