Sasha Purifying Acolyte 276 (Radiant Origins)

Foster (At the beginning of your recollection phase, if this ally hasn't been dealt damage since the end of your previous turn, it becomes fostered.) On Foster: Banish all cards in all graveyards. If one or more cards would enter a player's graveyard while Sasha is fostered, banish them instead.

NM - $1.60
LP - $1.30
MP - $1.00
HP - $1.00
DMG - $1.00