Dragontree Wretch, Draco Batical

:When this unit is placed on , 1, choose one of your without any Dragontree markers, and put a Dragontree marker. :When your opponent's rear-guard is retired during your main phase, 1, look at the top five cards of your deck, choose up to one grade 1 or less unit card from among them, call it to , and shuffle your deck.