Nott, the Brave

Fury of the Small - When Nott, the Brave deals
combat damage to a player, exile the top card of
your library and each opponent loses life equal
to that card's mana value.
You may play the exiled card until end of turn.
—
"They made me everything that I thought I was.
Not pretty...not good...just Nott." - Nott, the Brave