Seras, Solitary Stranger

Lifelink, Shadow (This creature can block or
be blocked by only creatures with shadow)
Silent Snoop — When Seras, the Unbound deals combat damage to a player surveil 2,
then draw a card. (Look at the top two cards
of your library, then put any number of them
into your graveyard and the rest on top of your library in any order.)