According to my preliminary findings, it appears that if your direct GO->HOME legendary/mythical doesn't bear your HOME's TID, it CAN enter your game just fine.

(Left row is from my own direct GO transfer, remaining rows are from trades, be it GTS or Friend Trade) pic.twitter.com/LoEfB4n3oL

— theSLAYER (@QStheSLAYER) November 20, 2020