Kyotei, Mage of the Pact

You may pay {0} rather than Kyotei, Mage of Pact's mana cost. If you do, at the beginning of your next upkeep, pay {3}{b}{b}. If you don't, you lose the game.
{1}{b}{b}, {t}: Cast target spell from your hand without paying its mana cost. If you do, at the beginning of your next upkeep pay that card's mana cost reduced by up to {c}{b}{b}. If you don't, you lose the game.