Kaleidoscopic Pass

Kaleidoscopic Pass enters the battlefield tapped.
{t}: Add one mana of any color.
{w}{u}{b}{r}{g}, {t}: Spells you cast from your hand this turn gain cascade. (When you cast the spell, exile cards from the top of your library until you exile
a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)