Novis, Vortex Storm

Novis costs {x} less to cast, where X is the number
of cards you've drawn this turn.
When Novis enters the battlefield, discard your
hand.
Haste, Prowess, Trample
{x}{u}{u}{u}, {t}: Draw X cards.
{u/r}{u/r}: Draw a card, then discard a card.