If Tae is the only girl in all of the 1300 cards there are that owns a flower bracelet called blue...
As seen here: Bandori dreamfest proof 1 https://imgur.com/a/hMYP1hM
And Sayo is seen being held by a pair of hands with THE SAME blue bracelet ON THE SAME wrist, as seen here: Bandori Dreamfest proof 2 https://imgur.com/a/yCp0JGu
And the card's title is: "A captivating hand"
Doesn't it mean that the dreamfest sayo card is seen from Tae's Point of view!???