Regalia of Benevolent Wind, Flap Angel (G-BT14/039EN) [Divine Dragon Apocrypha]

[AUTO]:[Choose a grade 3 card with "Regalia" in its card name from your hand, and reveal it] When this unit is placed on (RC) from hand, you may pay the cost. If you do, search your deck for up to one grade 3 card with "Regalia" in its card name, reveal it, put it into your hand, choose a card from your hand, discard it, and shuffle your deck. [CONT](Hand):While you are paying the cost for Stride, this card gets grade+2.