An idea I've long had is a deck whose mechanism is by manipulating combat in its favor. As in manipulating who's blocking whom. Transportation restrictions have kept me from assembling a deck (not much point in ordering everything if there's a chance multiple cards--especially multiple $5+ cards--get displaced by newly released cards in the future), but that hasn't kept me from planning things.
That said, with the unveiling of Feather, the Redeemed, I suddenly wonder if there's a way to make a Shu Yun deck that can fit both blocker manipulation and the usual sort of combat tricks.
First, the current, definitely-not-polished-by-actual-gameplay chart: