Oyag, carrier of the last drop

All your opponets spells cost {p/c} more to cast
you may pay {p/b} as if it were {0}
you may pay {p/c} as if it were {0}
you may pay {p/u} as if it were {0}
you may pay {p/r} as if it were {0}
you may pay {p/g} as if it were {0}
you may pay {p/w} as if it were {0}