Dragontree Wretch, Depth Iweleth

[AUTO]:When this unit is placed on (RC), [COST][Counter-Blast 1 & Soul-Blast 1], choose one of your (RC) without any Dragontree markers, and put a Dragontree marker. Search your deck for up to one "Masque of Hydragrum", reveal it and put it into your hand, and shuffle your deck.