Balthazar, The Hireling

When Mercutio's Aid enters the battlefield,
you may draw a card, then discard a card.
{u}: Balthazar gains flying until end of turn.
As long as you control a creature named
Romeo, Mercutio gets +1/+1 and has {t}: Scry 1.
I do beseech you, sir, have patience
-Balthazar, 5.1