I don't know. But I got a feeling that this could be why Konami is going easy on the amazoness nerfs. As long as the princess is trapped behind the event and sometimes-UR tickets, it will become harder and harder for newer players to build the deck. I am already seeing this question more now. I hate to say it, but this must be how they are going to phase it out.
Konami will release princess in the future, maybe in ranked tickets. Then when the card is easily accessible, they will proceed to put it on the ban list.
Thank you for your replies.I don't have any princess cuz I am a new player and I didn't take princess from the wcs reward tickets.It would be cool if konami gave us new players a chance to obtain her.