Haal, Inconspicuous Alchemist

When Haal, Inconspicuous Alchemist enters the battlefield, choose a color. You may cast spells of
the chosen color as if they had Flash.
{u}{g}, {t}: Look at the top 3 cards of your library,
you may put one into your hand and exile the
rest. If you do, Haal doesn't untap during your
next untap step. If you don't, put them back in
any order.