Data-mined information regarding Trade changes, live on July 29.
You will be able to create a card wishlist that your trade partner can view
Trade token requirement will be converted to a shinedust requirement.
You will be able to convert up to 60 trade tokens for 60 pack hourglasses; and 1 trade token for 10 shinedust (unlimited; conversion units of 10, 100 or 1000 shinedust)
Currently the shinedust cost for trading is not known
2 star/promo trading isn't included in this update
I saw this originally on Reddit and thought you all might want to know. Here is the original post. It includes no real source.