Dragon Dancer, Vianne (G-BT02/060EN) [Soaring Ascent of Gale & Blossom]

[AUTO](RC) Generation Break 1 (This ability is active if you have one or more face up G units in total on your (VC) or G zone) :[Put this unit on top of your deck] When your opponent's rear-guard is put into the drop zone due to an effect from one of your cards, you may pay the cost. If you do, shuffle your deck, draw a card, choose a card from your damage zone, and turn it face up.