Priest of the Forgotten

As long as Priest of the Forgotten is untapped,
you may cast cards from exile, and you may
spend mana as though it were any type to cast
them.
{t}, {w}{b}: Exile target nonland permanent. Its controller gains life equal to its mana cost.
_________________________________________
"If you forget it, it's probably not important. Luckily,
I remember everything."