All Smiles and a Powerful Dash! Delfina

:At the end of the battle this unit boosted, if your rear-guard was returned to hand this turn, [ 1 & retire this unit], choose a grade 3 or greater card with "Marlean" in its card name from your soul or drop, and put it on the bottom of the deck. If you chose a card, choose a card with the same card name as any of your grade 2 or greater units from your drop, and put it into hand.