Daemon of the Valley

Whenever this creature dealt combat damage to a player, return target card from your graveyard to
your hand.
—
"I am Memory, and am wise in lore of the past, but
I too am old. These beings were like the waters of the
river Than, not to be understood. Their deeds I recall
not, for they were but of the moment. Their names I
recall clearly, These beings of yesterday were called
Man."
Memory—H.P.Lovecraft