Lava Flow Dragon (G-BT07/S23EN) [Glorious Bravery of Radiant Sword]

[AUTO]:[Choose a grade 3 card 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 "Dragonic Blademaster" in its card name, reveal it to your opponent, put into your hand, shuffle your deck, choose a card from your hand, and discard it. [CONT](Hand):When you would pay the cost of Stride, this card gets grade+2.