Poe Sister, Beth

Flying, Hexproof, Islandwalk
When this creature enters the battlefield, return
target nonland permanent to its owners hand, its
owner Mills cards equal to its converted mana
cost. Whenever an opponent puts a card into
their graveyard, they lose 1 life.
{1}{u/b}{u/b} Exile this creature, and then return it to
the battlefield under its owners control.