Amon, Cosmic Sorcerer

When Amon, Cosmic Sorcerer enter the battlefield, search for a sorcery from your library, reveal it, then you may cast it without paying its mana cost.
You may play sorcerys as though they were instants.
{t}: Add {w}{u}{b}{r}{g}{c}. You can only use this mana for sorcerys and instants and cant use this mana for genetic costs.