Sir Jorah Mormont the exiled

When Sir Jorah Mormont the exiled enters the battlefield, exile a card from your hand. Until the
end of your next turn you may cast it and it costs {2} less to cast.
Whenever a card is put into exile from anywhere,
you gain 1 life.
Whenever a card leaves exile, Sir Jorah Mormont
the exiled deals 1 damage to your opponents.
This isn't Westeros where men honor blood. Here they
only honor strength.