Kronya, Slithering Assassin

Madness {1}{b} (If you discard this card, discard it
into exile. When you do, cast it for its madness cost
or put it into your graveyard.)
When Kronya, Slithering Assassin comes into
play, if its madness cost was paid, you may return target creature card from a graveyard to its
owner's hand.
"How cute, you're trying so hard! But now it's time to
die!"
(Grave Scrabbler)