Ningyounk, the Virtuoso

Masterwork (A creature you controls becomes your
only masterwork as this enters the battlefield. It's an
Art.)
Whenever your masterwork attacks, you gain 2
serran life.
Renewal — At the beginning of your end step, if
the sum of all life gained and lost this turn is 3 or
more, discover. (Look at the top card of your library.
Cast it, mill it, or leave it.)