Joshua, Gentle Jailbreaker

When you draw your first card per turn
you may draw the bottom card of your
library instead.
{x}{x}{u}{b}{r}{t}, sacrifice Joshua Gentle
Jailbreaker: Exile the bottom {x} cards of
each library. You may play those cards as
long as they remain exiled. If you cast a
spell this way, you may spend mana as
though it were mana of any color to cast it.
Lose {x} life.