Dragontree Wretch, Eleme Da'at DZ-BT12/017 RRR

[AUTO]:When this unit is placed on a (RC) with a Dragontree marker from hand, or discarded from hand while riding from ride deck, look a the top seven cards of your deck, choose up to one card with "Masques" or "Dragontree" in its different card name from this unit or up to one "Masque of Hydragrum" from among them, reveal it and put it into hand, and shuffle the deck. [ACT](Drop):COST [Remove this card], choose one of your vanguards with "Masques" in its card name, and reduce the next cost that removes cards you pay for that unit's abilities by one until end of turn.