Feature request: Improve Trading opportunities

The trading opportunities list on a user's profile does not exclude cards in other trades.  An option alongside "Strict matching" to exclude those items would help when planning multiple trades, especially when trading larger numbers of cards.  If this could also extend to Can give / receive on the main trading opportunities index page, that would be very useful as well.

It would also be nice to have a button to automatically add to a trade all cards that strictly match your wishlist that aren't in other trades.  This option would be even more useful if you could exclude auto-adding expensive printings when they aren't specified as the specific printing you want.

This would make it so constructing trades is considerably less tedious for my use case, which is trading for bulk.

Alternatively, if there was an API I could use I could build this for myself.

Cheers,
Mator